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Update clang to r108428.

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This commit is contained in:
Roman Divacky 2010-07-15 17:07:12 +00:00
parent 4ba675006b
commit 4e58654b47
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/vendor/clang/dist/; revision=210128
111 changed files with 2066 additions and 505 deletions
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14
include/clang/AST/DeclBase.h
View File

@ -92,7 +92,7 @@ class Decl {
/// These are meant as bitmasks, so that searches in
/// C++ can look into the "tag" namespace during ordinary lookup.
///
/// Decl currently provides 16 bits of IDNS bits.
/// Decl currently provides 15 bits of IDNS bits.
enum IdentifierNamespace {
/// Labels, declared with 'x:' and referenced with 'goto x'.
IDNS_Label = 0x0001,
@ -225,10 +225,10 @@ class Decl {
// PCHLevel - the "level" of precompiled header/AST file from which this
// declaration was built.
unsigned PCHLevel : 2;
unsigned PCHLevel : 3;
/// IdentifierNamespace - This specifies what IDNS_* namespace this lives in.
unsigned IdentifierNamespace : 16;
unsigned IdentifierNamespace : 15;
private:
#ifndef NDEBUG
@ -358,14 +358,14 @@ class Decl {
unsigned getPCHLevel() const { return PCHLevel; }
/// \brief The maximum PCH level that any declaration may have.
static const unsigned MaxPCHLevel = 3;
static const unsigned MaxPCHLevel = 7;
/// \brief Set the PCH level of this declaration.
void setPCHLevel(unsigned Level) {
assert(Level < MaxPCHLevel && "PCH level exceeds the maximum");
assert(Level <= MaxPCHLevel && "PCH level exceeds the maximum");
PCHLevel = Level;
}
unsigned getIdentifierNamespace() const {
return IdentifierNamespace;
}

2
include/clang/AST/DeclObjC.h
View File

@ -242,7 +242,7 @@ class ObjCMethodDecl : public NamedDecl, public DeclContext {
/// \brief Determine the type of an expression that sends a message to this
/// function.
QualType getSendResultType() const {
return getResultType().getCallResultType(getASTContext());
return getResultType().getNonLValueExprType(getASTContext());
}
TypeSourceInfo *getResultTypeSourceInfo() const { return ResultTInfo; }

5
include/clang/AST/Expr.h
View File

@ -1854,6 +1854,10 @@ class CastExpr : public Expr {
/// CK_BitCast - Used for reinterpret_cast.
CK_BitCast,
/// CK_LValueBitCast - Used for reinterpret_cast of expressions to
/// a reference type.
CK_LValueBitCast,
/// CK_NoOp - Used for const_cast.
CK_NoOp,
@ -1957,6 +1961,7 @@ class CastExpr : public Expr {
// These should not have an inheritance path.
case CK_Unknown:
case CK_BitCast:
case CK_LValueBitCast:
case CK_NoOp:
case CK_Dynamic:
case CK_ToUnion:

29
include/clang/AST/Type.h
View File

@ -629,13 +629,15 @@ class QualType {
bool isAtLeastAsQualifiedAs(QualType Other) const;
QualType getNonReferenceType() const;
/// \brief Determine the type of an expression that calls a function of
/// with the given result type.
/// \brief Determine the type of a (typically non-lvalue) expression with the
/// specified result type.
///
/// This routine removes a top-level reference (since there are no
/// This routine should be used for expressions for which the return type is
/// explicitly specified (e.g., in a cast or call) and isn't necessarily
/// an lvalue. It removes a top-level reference (since there are no
/// expressions of reference type) and deletes top-level cvr-qualifiers
/// from non-class types (in C++) or all types (in C).
QualType getCallResultType(ASTContext &Context) const;
QualType getNonLValueExprType(ASTContext &Context) const;
/// getDesugaredType - Return the specified type with any "sugar" removed from
/// the type. This takes off typedefs, typeof's etc. If the outer level of
@ -784,19 +786,27 @@ class Type {
/// \brief Linkage of this type.
mutable unsigned CachedLinkage : 2;
/// \brief FromPCH - Whether this type comes from a PCH file.
mutable bool FromPCH : 1;
/// \brief Set whether this type comes from a PCH file.
void setFromPCH(bool V = true) const {
FromPCH = V;
}
protected:
/// \brief Compute the linkage of this type.
virtual Linkage getLinkageImpl() const;
enum { BitsRemainingInType = 20 };
enum { BitsRemainingInType = 19 };
// silence VC++ warning C4355: 'this' : used in base member initializer list
Type *this_() { return this; }
Type(TypeClass tc, QualType Canonical, bool dependent)
: CanonicalType(Canonical.isNull() ? QualType(this_(), 0) : Canonical),
TC(tc), Dependent(dependent), LinkageKnown(false),
CachedLinkage(NoLinkage) {}
CachedLinkage(NoLinkage), FromPCH(false) {}
virtual ~Type() {}
virtual void Destroy(ASTContext& C);
friend class ASTContext;
@ -804,6 +814,9 @@ class Type {
public:
TypeClass getTypeClass() const { return static_cast<TypeClass>(TC); }
/// \brief Whether this type comes from a PCH file.
bool isFromPCH() const { return FromPCH; }
bool isCanonicalUnqualified() const {
return CanonicalType.getTypePtr() == this;
}
@ -1907,7 +1920,7 @@ class FunctionType : public Type {
/// \brief Determine the type of an expression that calls a function of
/// this type.
QualType getCallResultType(ASTContext &Context) const {
return getResultType().getCallResultType(Context);
return getResultType().getNonLValueExprType(Context);
}
static llvm::StringRef getNameForCallConv(CallingConv CC);

1
include/clang/Basic/Builtins.def
View File

@ -314,6 +314,7 @@ BUILTIN(__builtin_setjmp, "iv**", "")
BUILTIN(__builtin_longjmp, "vv**i", "r")
BUILTIN(__builtin_unwind_init, "v", "")
BUILTIN(__builtin_eh_return_data_regno, "ii", "nc")
BUILTIN(__builtin_snprintf, "ic*zcC*.", "nFp:2:")
BUILTIN(__builtin_vsprintf, "ic*cC*a", "nFP:1:")
BUILTIN(__builtin_vsnprintf, "ic*zcC*a", "nFP:2:")

2
include/clang/Basic/DiagnosticGroups.td
View File

@ -48,6 +48,7 @@ def CXXHexFloats : DiagGroup<"c++-hex-floats">;
def : DiagGroup<"c++0x-compat", [CXXHexFloats]>;
def FourByteMultiChar : DiagGroup<"four-char-constants">;
def : DiagGroup<"idiomatic-parentheses">;
def IgnoredQualifiers : DiagGroup<"ignored-qualifiers">;
def : DiagGroup<"import">;
def : DiagGroup<"init-self">;
def : DiagGroup<"inline">;
@ -167,6 +168,7 @@ def Format2 : DiagGroup<"format=2",
def Extra : DiagGroup<"extra", [
MissingFieldInitializers,
IgnoredQualifiers,
InitializerOverrides,
SemiBeforeMethodBody,
SignCompare,

7
include/clang/Basic/DiagnosticSemaKinds.td
View File

@ -121,7 +121,8 @@ def warn_use_out_of_scope_declaration : Warning<
def err_inline_non_function : Error<
"'inline' can only appear on functions">;
def warn_qual_return_type : Warning<
"'%0' type qualifier%s1 on return type %plural{1:has|:have}1 no effect">;
"'%0' type qualifier%s1 on return type %plural{1:has|:have}1 no effect">,
InGroup<IgnoredQualifiers>, DefaultIgnore;
def warn_decl_shadow :
Warning<"declaration shadows a %select{"
@ -1986,6 +1987,10 @@ def note_precedence_bitwise_first : Note<
"place parentheses around the %0 expression to evaluate it first">;
def note_precedence_bitwise_silence : Note<
"place parentheses around the %0 expression to silence this warning">;
def warn_logical_instead_of_bitwise : Warning<
"use of logical %0 with constant operand; switch to bitwise %1 or "
"remove constant">, InGroup<DiagGroup<"logical-bitwise-confusion">>;
def err_sizeof_nonfragile_interface : Error<
"invalid application of '%select{alignof|sizeof}1' to interface %0 in "

8
include/clang/Basic/FileManager.h
View File

@ -189,7 +189,7 @@ class FileManager {
/// getDirectory - Lookup, cache, and verify the specified directory. This
/// returns null if the directory doesn't exist.
///
const DirectoryEntry *getDirectory(const llvm::StringRef &Filename) {
const DirectoryEntry *getDirectory(llvm::StringRef Filename) {
return getDirectory(Filename.begin(), Filename.end());
}
const DirectoryEntry *getDirectory(const char *FileStart,const char *FileEnd);
@ -197,7 +197,7 @@ class FileManager {
/// getFile - Lookup, cache, and verify the specified file. This returns null
/// if the file doesn't exist.
///
const FileEntry *getFile(const llvm::StringRef &Filename) {
const FileEntry *getFile(llvm::StringRef Filename) {
return getFile(Filename.begin(), Filename.end());
}
const FileEntry *getFile(const char *FilenameStart,
@ -206,8 +206,8 @@ class FileManager {
/// \brief Retrieve a file entry for a "virtual" file that acts as
/// if there were a file with the given name on disk. The file
/// itself is not accessed.
const FileEntry *getVirtualFile(const llvm::StringRef &Filename,
off_t Size, time_t ModificationTime);
const FileEntry *getVirtualFile(llvm::StringRef Filename, off_t Size,
time_t ModificationTime);
void PrintStats() const;
};

14
include/clang/Basic/TargetInfo.h
View File

@ -61,6 +61,7 @@ class TargetInfo {
std::string CXXABI;
unsigned HasAlignMac68kSupport : 1;
unsigned RealTypeUsesObjCFPRet : 3;
// TargetInfo Constructor. Default initializes all fields.
TargetInfo(const std::string &T);
@ -87,6 +88,13 @@ class TargetInfo {
SignedLongLong,
UnsignedLongLong
};
enum RealType {
Float = 0,
Double,
LongDouble
};
protected:
IntType SizeType, IntMaxType, UIntMaxType, PtrDiffType, IntPtrType, WCharType,
WIntType, Char16Type, Char32Type, Int64Type, SigAtomicType;
@ -233,6 +241,12 @@ class TargetInfo {
/// integer type enum. For example, SignedLong -> "L".
static const char *getTypeConstantSuffix(IntType T);
/// \brief Check whether the given real type should use the "fpret" flavor of
/// Obj-C message passing on this target.
bool useObjCFPRetForRealType(RealType T) const {
return RealTypeUsesObjCFPRet & (1 << T);
}
///===---- Other target property query methods --------------------------===//
/// getTargetDefines - Appends the target-specific #define values for this

2
include/clang/Driver/ArgList.h
View File

@ -179,6 +179,8 @@ namespace driver {
Arg *getLastArg(OptSpecifier Id) const;
Arg *getLastArg(OptSpecifier Id0, OptSpecifier Id1) const;
Arg *getLastArg(OptSpecifier Id0, OptSpecifier Id1, OptSpecifier Id2) const;
Arg *getLastArg(OptSpecifier Id0, OptSpecifier Id1, OptSpecifier Id2,
OptSpecifier Id3) const;
/// getArgString - Return the input argument string at \arg Index.
virtual const char *getArgString(unsigned Index) const = 0;

8
include/clang/Driver/Driver.h
View File

@ -62,6 +62,9 @@ class Driver {
/// command line.
std::string Dir;
/// The original path to the clang executable.
std::string ClangExecutable;
/// The path to the compiler resource directory.
std::string ResourceDir;
@ -163,6 +166,11 @@ class Driver {
const std::string &getTitle() { return DriverTitle; }
void setTitle(std::string Value) { DriverTitle = Value; }
/// \brief Get the path to the main clang executable.
std::string getClangProgramPath() const {
return ClangExecutable;
}
/// @}
/// @name Primary Functionality
/// @{

6
include/clang/Driver/Options.td
View File

@ -230,6 +230,7 @@ def exported__symbols__list : Separate<"-exported_symbols_list">;
def e : JoinedOrSeparate<"-e">;
def fPIC : Flag<"-fPIC">, Group<f_Group>;
def fPIE : Flag<"-fPIE">, Group<f_Group>;
def fno_PIE : Flag<"-fno-PIE">, Group<f_Group>;
def faccess_control : Flag<"-faccess-control">, Group<f_Group>;
def fapple_kext : Flag<"-fapple-kext">, Group<f_Group>;
def fasm : Flag<"-fasm">, Group<f_Group>;
@ -356,6 +357,7 @@ def fpascal_strings : Flag<"-fpascal-strings">, Group<f_Group>;
def fpch_preprocess : Flag<"-fpch-preprocess">, Group<f_Group>;
def fpic : Flag<"-fpic">, Group<f_Group>;
def fpie : Flag<"-fpie">, Group<f_Group>;
def fno_pie : Flag<"-fno-pie">, Group<f_Group>;
def fprofile_arcs : Flag<"-fprofile-arcs">, Group<f_Group>;
def fprofile_generate : Flag<"-fprofile-generate">, Group<f_Group>;
def framework : Separate<"-framework">, Flags<[LinkerInput]>;
@ -436,11 +438,11 @@ def mfix_and_continue : Flag<"-mfix-and-continue">, Group<clang_ignored_m_Group>
def mfloat_abi_EQ : Joined<"-mfloat-abi=">, Group<m_Group>;
def mfpu_EQ : Joined<"-mfpu=">, Group<m_Group>;
def mhard_float : Flag<"-mhard-float">, Group<m_Group>;
def miphoneos_version_min_EQ : Joined<"-miphoneos-version-min=">, Group<m_Group>, Flags<[DriverOption]>;
def miphoneos_version_min_EQ : Joined<"-miphoneos-version-min=">, Group<m_Group>;
def mios_version_min_EQ : Joined<"-mios-version-min=">, Alias<miphoneos_version_min_EQ>;
def mkernel : Flag<"-mkernel">, Group<m_Group>;
def mllvm : Separate<"-mllvm">;
def mmacosx_version_min_EQ : Joined<"-mmacosx-version-min=">, Group<m_Group>, Flags<[DriverOption]>;
def mmacosx_version_min_EQ : Joined<"-mmacosx-version-min=">, Group<m_Group>;
def mmmx : Flag<"-mmmx">, Group<m_x86_Features_Group>;
def mno_3dnowa : Flag<"-mno-3dnowa">, Group<m_x86_Features_Group>;
def mno_3dnow : Flag<"-mno-3dnow">, Group<m_x86_Features_Group>;

5
include/clang/Driver/ToolChain.h
View File

@ -84,9 +84,8 @@ class ToolChain {
// Helper methods
std::string GetFilePath(const Compilation &C, const char *Name) const;
std::string GetProgramPath(const Compilation &C, const char *Name,
bool WantFile = false) const;
std::string GetFilePath(const char *Name) const;
std::string GetProgramPath(const char *Name, bool WantFile = false) const;
// Platform defaults information

4
include/clang/Driver/Types.def
View File

@ -69,8 +69,8 @@ TYPE("java", Java, INVALID, 0, "u")
// LLVM IR/LTO types. We define separate types for IR and LTO because LTO
// outputs should use the standard suffixes.
TYPE("ir", LLVM_IR, INVALID, "ll", "")
TYPE("ir", LLVM_BC, INVALID, "bc", "")
TYPE("ir", LLVM_IR, INVALID, "ll", "u")
TYPE("ir", LLVM_BC, INVALID, "bc", "u")
TYPE("lto-ir", LTO_IR, INVALID, "s", "")
TYPE("lto-bc", LTO_BC, INVALID, "o", "")

2
include/clang/Frontend/ASTConsumers.h
View File

@ -63,7 +63,7 @@ ASTConsumer *CreateDeclContextPrinter();
// times.
ASTConsumer *CreatePCHGenerator(const Preprocessor &PP,
llvm::raw_ostream *OS,
const PCHReader *Chain,
PCHReader *Chain,
const char *isysroot = 0);
// Inheritance viewer: for C++ code, creates a graph of the inheritance

36
include/clang/Frontend/PCHDeserializationListener.h Normal file
View File

@ -0,0 +1,36 @@
//===- PCHDeserializationListener.h - Decl/Type PCH Read Events -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the PCHDeserializationListener class, which is notified
// by the PCHReader whenever a type or declaration is deserialized.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_FRONTEND_PCH_DESERIALIZATION_LISTENER_H
#define LLVM_CLANG_FRONTEND_PCH_DESERIALIZATION_LISTENER_H
#include "clang/Frontend/PCHBitCodes.h"
namespace clang {
class Decl;
class QualType;
class PCHDeserializationListener {
protected:
~PCHDeserializationListener() {}
public:
virtual void TypeRead(pch::TypeID ID, QualType T) = 0;
virtual void DeclRead(pch::DeclID ID, const Decl *D) = 0;
};
}
#endif

54
include/clang/Frontend/PCHReader.h
View File

@ -59,12 +59,22 @@ class GotoStmt;
class LabelStmt;
class MacroDefinition;
class NamedDecl;
class PCHDeserializationListener;
class Preprocessor;
class Sema;
class SwitchCase;
class PCHReader;
struct HeaderFileInfo;
struct PCHPredefinesBlock {
/// \brief The file ID for this predefines buffer in a PCH file.
FileID BufferID;
/// \brief This predefines buffer in a PCH file.
llvm::StringRef Data;
};
typedef llvm::SmallVector<PCHPredefinesBlock, 2> PCHPredefinesBlocks;
/// \brief Abstract interface for callback invocations by the PCHReader.
///
/// While reading a PCH file, the PCHReader will call the methods of the
@ -91,10 +101,7 @@ class PCHReaderListener {
/// \brief Receives the contents of the predefines buffer.
///
/// \param PCHPredef The start of the predefines buffer in the PCH
/// file.
///
/// \param PCHBufferID The FileID for the PCH predefines buffer.
/// \param Buffers Information about the predefines buffers.
///
/// \param OriginalFileName The original file name for the PCH, which will
/// appear as an entry in the predefines buffer.
@ -103,8 +110,7 @@ class PCHReaderListener {
/// here.
///
/// \returns true to indicate the predefines are invalid or false otherwise.
virtual bool ReadPredefinesBuffer(llvm::StringRef PCHPredef,
FileID PCHBufferID,
virtual bool ReadPredefinesBuffer(const PCHPredefinesBlocks &Buffers,
llvm::StringRef OriginalFileName,
std::string &SuggestedPredefines) {
return false;
@ -131,8 +137,7 @@ class PCHValidator : public PCHReaderListener {
virtual bool ReadLanguageOptions(const LangOptions &LangOpts);
virtual bool ReadTargetTriple(llvm::StringRef Triple);
virtual bool ReadPredefinesBuffer(llvm::StringRef PCHPredef,
FileID PCHBufferID,
virtual bool ReadPredefinesBuffer(const PCHPredefinesBlocks &Buffers,
llvm::StringRef OriginalFileName,
std::string &SuggestedPredefines);
virtual void ReadHeaderFileInfo(const HeaderFileInfo &HFI, unsigned ID);
@ -165,9 +170,12 @@ class PCHReader
enum PCHReadResult { Success, Failure, IgnorePCH };
friend class PCHValidator;
private:
/// \ brief The receiver of some callbacks invoked by PCHReader.
/// \brief The receiver of some callbacks invoked by PCHReader.
llvm::OwningPtr<PCHReaderListener> Listener;
/// \brief The receiver of deserialization events.
PCHDeserializationListener *DeserializationListener;
SourceManager &SourceMgr;
FileManager &FileMgr;
Diagnostic &Diags;
@ -483,15 +491,9 @@ class PCHReader
~ReadingKindTracker() { Reader.ReadingKind = PrevKind; }
};
/// \brief The file ID for the predefines buffer in the PCH file.
FileID PCHPredefinesBufferID;
/// \brief Pointer to the beginning of the predefines buffer in the
/// PCH file.
const char *PCHPredefines;
/// \brief Length of the predefines buffer in the PCH file.
unsigned PCHPredefinesLen;
/// \brief All predefines buffers in all PCH files, to be treated as if
/// concatenated.
PCHPredefinesBlocks PCHPredefinesBuffers;
/// \brief Suggested contents of the predefines buffer, after this
/// PCH file has been processed.
@ -509,7 +511,7 @@ class PCHReader
void MaybeAddSystemRootToFilename(std::string &Filename);
PCHReadResult ReadPCHBlock();
bool CheckPredefinesBuffer(llvm::StringRef PCHPredef, FileID PCHBufferID);
bool CheckPredefinesBuffers();
bool ParseLineTable(llvm::SmallVectorImpl<uint64_t> &Record);
PCHReadResult ReadSourceManagerBlock();
PCHReadResult ReadSLocEntryRecord(unsigned ID);
@ -576,6 +578,10 @@ class PCHReader
Listener.reset(listener);
}
void setDeserializationListener(PCHDeserializationListener *Listener) {
DeserializationListener = Listener;
}
/// \brief Set the Preprocessor to use.
void setPreprocessor(Preprocessor &pp);
@ -602,6 +608,16 @@ class PCHReader
/// \brief Read preprocessed entities into the
virtual void ReadPreprocessedEntities();
/// \brief Returns the number of types found in this file.
unsigned getTotalNumTypes() const {
return static_cast<unsigned>(TypesLoaded.size());
}
/// \brief Returns the number of declarations found in this file.
unsigned getTotalNumDecls() const {
return static_cast<unsigned>(DeclsLoaded.size());
}
/// \brief Reads a TemplateArgumentLocInfo appropriate for the
/// given TemplateArgument kind.
TemplateArgumentLocInfo

18
include/clang/Frontend/PCHWriter.h
View File

@ -19,6 +19,7 @@
#include "clang/AST/DeclarationName.h"
#include "clang/AST/TemplateBase.h"
#include "clang/Frontend/PCHBitCodes.h"
#include "clang/Frontend/PCHDeserializationListener.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
#include <map>
@ -71,7 +72,7 @@ struct UnsafeQualTypeDenseMapInfo {
/// representation of a given abstract syntax tree and its supporting
/// data structures. This bitstream can be de-serialized via an
/// instance of the PCHReader class.
class PCHWriter {
class PCHWriter : public PCHDeserializationListener {
public:
typedef llvm::SmallVector<uint64_t, 64> RecordData;
@ -79,6 +80,9 @@ class PCHWriter {
/// \brief The bitstream writer used to emit this precompiled header.
llvm::BitstreamWriter &Stream;
/// \brief The reader of existing PCH files, if we're chaining.
PCHReader *Chain;
/// \brief Stores a declaration or a type to be written to the PCH file.
class DeclOrType {
public:
@ -220,7 +224,7 @@ class PCHWriter {
void WriteSubStmt(Stmt *S);
void WriteBlockInfoBlock();
void WriteMetadata(ASTContext &Context, const PCHReader *Chain, const char *isysroot);
void WriteMetadata(ASTContext &Context, const char *isysroot);
void WriteLanguageOptions(const LangOptions &LangOpts);
void WriteStatCache(MemorizeStatCalls &StatCalls);
void WriteSourceManagerBlock(SourceManager &SourceMgr,
@ -242,12 +246,12 @@ class PCHWriter {
void WritePCHCore(Sema &SemaRef, MemorizeStatCalls *StatCalls,
const char* isysroot);
void WritePCHChain(Sema &SemaRef, MemorizeStatCalls *StatCalls,
const PCHReader *Chain, const char* isysroot);
const char* isysroot);
public:
/// \brief Create a new precompiled header writer that outputs to
/// the given bitstream.
PCHWriter(llvm::BitstreamWriter &Stream);
PCHWriter(llvm::BitstreamWriter &Stream, PCHReader *Chain);
/// \brief Write a precompiled header for the given semantic analysis.
///
@ -263,7 +267,7 @@ class PCHWriter {
/// \param PPRec Record of the preprocessing actions that occurred while
/// preprocessing this file, e.g., macro instantiations
void WritePCH(Sema &SemaRef, MemorizeStatCalls *StatCalls,
const PCHReader *Chain, const char* isysroot);
const char* isysroot);
/// \brief Emit a source location.
void AddSourceLocation(SourceLocation Loc, RecordData &Record);
@ -393,6 +397,10 @@ class PCHWriter {
unsigned GetLabelID(LabelStmt *S);
unsigned getParmVarDeclAbbrev() const { return ParmVarDeclAbbrev; }
// PCHDeserializationListener implementation
void TypeRead(pch::TypeID ID, QualType T);
void DeclRead(pch::DeclID ID, const Decl *D);
};
} // end namespace clang

16
include/clang/Rewrite/Rewriter.h
View File

@ -64,7 +64,7 @@ class RewriteBuffer {
/// the buffer is specified relative to the original SourceBuffer. The
/// text is inserted after the specified location.
///
void InsertText(unsigned OrigOffset, const llvm::StringRef &Str,
void InsertText(unsigned OrigOffset, llvm::StringRef Str,
bool InsertAfter = true);
@ -72,14 +72,14 @@ class RewriteBuffer {
/// offset in the buffer is specified relative to the original
/// SourceBuffer. The text is inserted before the specified location. This is
/// method is the same as InsertText with "InsertAfter == false".
void InsertTextBefore(unsigned OrigOffset, const llvm::StringRef &Str) {
void InsertTextBefore(unsigned OrigOffset, llvm::StringRef Str) {
InsertText(OrigOffset, Str, false);
}
/// InsertTextAfter - Insert some text at the specified point, where the
/// offset in the buffer is specified relative to the original SourceBuffer.
/// The text is inserted after the specified location.
void InsertTextAfter(unsigned OrigOffset, const llvm::StringRef &Str) {
void InsertTextAfter(unsigned OrigOffset, llvm::StringRef Str) {
InsertText(OrigOffset, Str);
}
@ -87,7 +87,7 @@ class RewriteBuffer {
/// buffer with a new string. This is effectively a combined "remove/insert"
/// operation.
void ReplaceText(unsigned OrigOffset, unsigned OrigLength,
const llvm::StringRef &NewStr);
llvm::StringRef NewStr);
private: // Methods only usable by Rewriter.
@ -164,7 +164,7 @@ class Rewriter {
/// InsertText - Insert the specified string at the specified location in the
/// original buffer. This method returns true (and does nothing) if the input
/// location was not rewritable, false otherwise.
bool InsertText(SourceLocation Loc, const llvm::StringRef &Str,
bool InsertText(SourceLocation Loc, llvm::StringRef Str,
bool InsertAfter = true);
/// InsertTextAfter - Insert the specified string at the specified location in
@ -172,7 +172,7 @@ class Rewriter {
/// the input location was not rewritable, false otherwise. Text is
/// inserted after any other text that has been previously inserted
/// at the some point (the default behavior for InsertText).
bool InsertTextAfter(SourceLocation Loc, const llvm::StringRef &Str) {
bool InsertTextAfter(SourceLocation Loc, llvm::StringRef Str) {
return InsertText(Loc, Str);
}
@ -181,7 +181,7 @@ class Rewriter {
/// location was not rewritable, false otherwise. Text is
/// inserted before any other text that has been previously inserted
/// at the some point.
bool InsertTextBefore(SourceLocation Loc, const llvm::StringRef &Str) {
bool InsertTextBefore(SourceLocation Loc, llvm::StringRef Str) {
return InsertText(Loc, Str, false);
}
@ -192,7 +192,7 @@ class Rewriter {
/// buffer with a new string. This is effectively a combined "remove/insert"
/// operation.
bool ReplaceText(SourceLocation Start, unsigned OrigLength,
const llvm::StringRef &NewStr);
llvm::StringRef NewStr);
/// ReplaceStmt - This replaces a Stmt/Expr with another, using the pretty
/// printer to generate the replacement code. This returns true if the input

2
lib/AST/DeclTemplate.cpp
View File

@ -223,7 +223,7 @@ ClassTemplateDecl::getInjectedClassNameSpecialization() {
} else if (NonTypeTemplateParmDecl *NTTP =
dyn_cast<NonTypeTemplateParmDecl>(*Param)) {
Expr *E = new (Context) DeclRefExpr(NTTP,
NTTP->getType().getNonReferenceType(),
NTTP->getType().getNonLValueExprType(Context),
NTTP->getLocation());
TemplateArgs.push_back(TemplateArgument(E));
} else {

2
lib/AST/Expr.cpp
View File

@ -684,6 +684,8 @@ const char *CastExpr::getCastKindName() const {
return "Unknown";
case CastExpr::CK_BitCast:
return "BitCast";
case CastExpr::CK_LValueBitCast:
return "LValueBitCast";
case CastExpr::CK_NoOp:
return "NoOp";
case CastExpr::CK_BaseToDerived:

1
lib/AST/ExprConstant.cpp
View File

@ -563,6 +563,7 @@ bool PointerExprEvaluator::VisitCastExpr(CastExpr* E) {
case CastExpr::CK_NoOp:
case CastExpr::CK_BitCast:
case CastExpr::CK_LValueBitCast:
case CastExpr::CK_AnyPointerToObjCPointerCast:
case CastExpr::CK_AnyPointerToBlockPointerCast:
return Visit(SubExpr);

4
lib/AST/Type.cpp
View File

@ -992,7 +992,7 @@ const char *BuiltinType::getName(const LangOptions &LO) const {
void FunctionType::ANCHOR() {} // Key function for FunctionType.
QualType QualType::getCallResultType(ASTContext &Context) const {
QualType QualType::getNonLValueExprType(ASTContext &Context) const {
if (const ReferenceType *RefType = getTypePtr()->getAs<ReferenceType>())
return RefType->getPointeeType();
@ -1002,7 +1002,7 @@ QualType QualType::getCallResultType(ASTContext &Context) const {
//
// See also C99 6.3.2.1p2.
if (!Context.getLangOptions().CPlusPlus ||
!getTypePtr()->isDependentType() && !getTypePtr()->isRecordType())
(!getTypePtr()->isDependentType() && !getTypePtr()->isRecordType()))
return getUnqualifiedType();
return *this;

4
lib/Basic/FileManager.cpp
View File

@ -331,8 +331,8 @@ const FileEntry *FileManager::getFile(const char *NameStart,
}
const FileEntry *
FileManager::getVirtualFile(const llvm::StringRef &Filename,
off_t Size, time_t ModificationTime) {
FileManager::getVirtualFile(llvm::StringRef Filename, off_t Size,
time_t ModificationTime) {
const char *NameStart = Filename.begin(), *NameEnd = Filename.end();
++NumFileLookups;

3
lib/Basic/TargetInfo.cpp
View File

@ -55,6 +55,9 @@ TargetInfo::TargetInfo(const std::string &T) : Triple(T) {
"i64:64:64-f32:32:32-f64:64:64-n32";
UserLabelPrefix = "_";
HasAlignMac68kSupport = false;
// Default to no types using fpret.
RealTypeUsesObjCFPRet = 0;
}
// Out of line virtual dtor for TargetInfo.

8
lib/Basic/Targets.cpp
View File

@ -1245,6 +1245,11 @@ class X86_32TargetInfo : public X86TargetInfo {
PtrDiffType = SignedInt;
IntPtrType = SignedInt;
RegParmMax = 3;
// Use fpret for all types.
RealTypeUsesObjCFPRet = ((1 << TargetInfo::Float) |
(1 << TargetInfo::Double) |
(1 << TargetInfo::LongDouble));
}
virtual const char *getVAListDeclaration() const {
return "typedef char* __builtin_va_list;";
@ -1411,6 +1416,9 @@ class X86_64TargetInfo : public X86TargetInfo {
DescriptionString = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-"
"a0:0:64-s0:64:64-f80:128:128-n8:16:32:64";
// Use fpret only for long double.
RealTypeUsesObjCFPRet = (1 << TargetInfo::LongDouble);
}
virtual const char *getVAListDeclaration() const {
return "typedef struct __va_list_tag {"

1
lib/Checker/GRExprEngine.cpp
View File

@ -2438,6 +2438,7 @@ void GRExprEngine::VisitCast(CastExpr *CastE, Expr *Ex, ExplodedNode *Pred,
case CastExpr::CK_Unknown:
case CastExpr::CK_ArrayToPointerDecay:
case CastExpr::CK_BitCast:
case CastExpr::CK_LValueBitCast:
case CastExpr::CK_IntegralCast:
case CastExpr::CK_IntegralToPointer:
case CastExpr::CK_PointerToIntegral:

2
lib/Checker/LLVMConventionsChecker.cpp
View File

@ -36,7 +36,7 @@ static bool IsLLVMStringRef(QualType T) {
/// Check whether the declaration is semantically inside the top-level
/// namespace named by ns.
static bool InNamespace(const Decl *D, const llvm::StringRef &NS) {
static bool InNamespace(const Decl *D, llvm::StringRef NS) {
const DeclContext *DC = D->getDeclContext();
const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(D->getDeclContext());
if (!ND)

2
lib/CodeGen/CGBlocks.cpp
View File

@ -253,7 +253,7 @@ llvm::Value *CodeGenFunction::BuildBlockLiteralTmp(const BlockExpr *BE) {
CodeGenTypes &Types = CGM.getTypes();
const CGFunctionInfo &FnInfo = Types.getFunctionInfo(ResultType, Args,
FunctionType::ExtInfo());
if (CGM.ReturnTypeUsesSret(FnInfo))
if (CGM.ReturnTypeUsesSRet(FnInfo))
flags |= BLOCK_USE_STRET;
}
const llvm::IntegerType *IntTy = cast<llvm::IntegerType>(

24
lib/CodeGen/CGCall.cpp
View File

@ -564,10 +564,28 @@ static void CreateCoercedStore(llvm::Value *Src,
/***/
bool CodeGenModule::ReturnTypeUsesSret(const CGFunctionInfo &FI) {
bool CodeGenModule::ReturnTypeUsesSRet(const CGFunctionInfo &FI) {
return FI.getReturnInfo().isIndirect();
}
bool CodeGenModule::ReturnTypeUsesFPRet(QualType ResultType) {
if (const BuiltinType *BT = ResultType->getAs<BuiltinType>()) {
switch (BT->getKind()) {
default:
return false;
case BuiltinType::Float:
return getContext().Target.useObjCFPRetForRealType(TargetInfo::Float);
case BuiltinType::Double:
return getContext().Target.useObjCFPRetForRealType(TargetInfo::Double);
case BuiltinType::LongDouble:
return getContext().Target.useObjCFPRetForRealType(
TargetInfo::LongDouble);
}
}
return false;
}
const llvm::FunctionType *CodeGenTypes::GetFunctionType(GlobalDecl GD) {
const CGFunctionInfo &FI = getFunctionInfo(GD);
@ -841,7 +859,7 @@ void CodeGenFunction::EmitFunctionProlog(const CGFunctionInfo &FI,
llvm::Function::arg_iterator AI = Fn->arg_begin();
// Name the struct return argument.
if (CGM.ReturnTypeUsesSret(FI)) {
if (CGM.ReturnTypeUsesSRet(FI)) {
AI->setName("agg.result");
++AI;
}
@ -1116,7 +1134,7 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo &CallInfo,
// If the call returns a temporary with struct return, create a temporary
// alloca to hold the result, unless one is given to us.
if (CGM.ReturnTypeUsesSret(CallInfo)) {
if (CGM.ReturnTypeUsesSRet(CallInfo)) {
llvm::Value *Value = ReturnValue.getValue();
if (!Value)
Value = CreateMemTemp(RetTy);

4
lib/CodeGen/CGClass.cpp
View File

@ -340,7 +340,7 @@ static void EmitBaseInitializer(CodeGenFunction &CGF,
if (CGF.Exceptions && !BaseClassDecl->hasTrivialDestructor()) {
// FIXME: Is this OK for C++0x delegating constructors?
CodeGenFunction::CleanupBlock Cleanup(CGF, CodeGenFunction::EHCleanup);
CodeGenFunction::CleanupBlock Cleanup(CGF, EHCleanup);
CXXDestructorDecl *DD = BaseClassDecl->getDestructor();
CGF.EmitCXXDestructorCall(DD, Dtor_Base, isBaseVirtual, V);
@ -534,7 +534,7 @@ static void EmitMemberInitializer(CodeGenFunction &CGF,
CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl());
if (!RD->hasTrivialDestructor()) {
// FIXME: Is this OK for C++0x delegating constructors?
CodeGenFunction::CleanupBlock Cleanup(CGF, CodeGenFunction::EHCleanup);
CodeGenFunction::CleanupBlock Cleanup(CGF, EHCleanup);
llvm::Value *ThisPtr = CGF.LoadCXXThis();
LValue LHS = CGF.EmitLValueForField(ThisPtr, Field, 0);

8
lib/CodeGen/CGDebugInfo.cpp
View File

@ -537,11 +537,17 @@ CGDebugInfo::getOrCreateMethodType(const CXXMethodDecl *Method,
llvm::DIType ThisPtrType =
DebugFactory.CreateArtificialType(getOrCreateType(ThisPtr, Unit));
if (Method->getTypeQualifiers() && Qualifiers::Const)
unsigned Quals = Method->getTypeQualifiers();
if (Quals & Qualifiers::Const)
ThisPtrType =
DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_const_type,
Unit, "", Unit,
0, 0, 0, 0, 0, ThisPtrType);
if (Quals & Qualifiers::Volatile)
ThisPtrType =
DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_volatile_type,
Unit, "", Unit,
0, 0, 0, 0, 0, ThisPtrType);
TypeCache[ThisPtr.getAsOpaquePtr()] = ThisPtrType;
Elts.push_back(ThisPtrType);

102
lib/CodeGen/CGDecl.cpp
View File

@ -388,6 +388,58 @@ const llvm::Type *CodeGenFunction::BuildByRefType(const ValueDecl *D) {
return Info.first;
}
namespace {
struct CallArrayDtor : EHScopeStack::LazyCleanup {
CallArrayDtor(const CXXDestructorDecl *Dtor,
const ConstantArrayType *Type,
llvm::Value *Loc)
: Dtor(Dtor), Type(Type), Loc(Loc) {}
const CXXDestructorDecl *Dtor;
const ConstantArrayType *Type;
llvm::Value *Loc;
void Emit(CodeGenFunction &CGF, bool IsForEH) {
QualType BaseElementTy = CGF.getContext().getBaseElementType(Type);
const llvm::Type *BasePtr = CGF.ConvertType(BaseElementTy);
BasePtr = llvm::PointerType::getUnqual(BasePtr);
llvm::Value *BaseAddrPtr = CGF.Builder.CreateBitCast(Loc, BasePtr);
CGF.EmitCXXAggrDestructorCall(Dtor, Type, BaseAddrPtr);
}
};
struct CallVarDtor : EHScopeStack::LazyCleanup {
CallVarDtor(const CXXDestructorDecl *Dtor,
llvm::Value *NRVOFlag,
llvm::Value *Loc)
: Dtor(Dtor), NRVOFlag(NRVOFlag), Loc(Loc) {}
const CXXDestructorDecl *Dtor;
llvm::Value *NRVOFlag;
llvm::Value *Loc;
void Emit(CodeGenFunction &CGF, bool IsForEH) {
// Along the exceptions path we always execute the dtor.
bool NRVO = !IsForEH && NRVOFlag;
llvm::BasicBlock *SkipDtorBB = 0;
if (NRVO) {
// If we exited via NRVO, we skip the destructor call.
llvm::BasicBlock *RunDtorBB = CGF.createBasicBlock("nrvo.unused");
SkipDtorBB = CGF.createBasicBlock("nrvo.skipdtor");
llvm::Value *DidNRVO = CGF.Builder.CreateLoad(NRVOFlag, "nrvo.val");
CGF.Builder.CreateCondBr(DidNRVO, SkipDtorBB, RunDtorBB);
CGF.EmitBlock(RunDtorBB);
}
CGF.EmitCXXDestructorCall(Dtor, Dtor_Complete,
/*ForVirtualBase=*/false, Loc);
if (NRVO) CGF.EmitBlock(SkipDtorBB);
}
};
}
/// EmitLocalBlockVarDecl - Emit code and set up an entry in LocalDeclMap for a
/// variable declaration with auto, register, or no storage class specifier.
/// These turn into simple stack objects, or GlobalValues depending on target.
@ -686,53 +738,11 @@ void CodeGenFunction::EmitLocalBlockVarDecl(const VarDecl &D,
if (const ConstantArrayType *Array =
getContext().getAsConstantArrayType(Ty)) {
CleanupBlock Scope(*this, NormalCleanup);
QualType BaseElementTy = getContext().getBaseElementType(Array);
const llvm::Type *BasePtr = ConvertType(BaseElementTy);
BasePtr = llvm::PointerType::getUnqual(BasePtr);
llvm::Value *BaseAddrPtr =
Builder.CreateBitCast(Loc, BasePtr);
EmitCXXAggrDestructorCall(D, Array, BaseAddrPtr);
if (Exceptions) {
Scope.beginEHCleanup();
QualType BaseElementTy = getContext().getBaseElementType(Array);
const llvm::Type *BasePtr = ConvertType(BaseElementTy);
BasePtr = llvm::PointerType::getUnqual(BasePtr);
llvm::Value *BaseAddrPtr =
Builder.CreateBitCast(Loc, BasePtr);
EmitCXXAggrDestructorCall(D, Array, BaseAddrPtr);
}
EHStack.pushLazyCleanup<CallArrayDtor>(NormalAndEHCleanup,
D, Array, Loc);
} else {
// Normal destruction.
CleanupBlock Scope(*this, NormalCleanup);
llvm::BasicBlock *SkipDtor = 0;
if (NRVO) {
// If we exited via NRVO, we skip the destructor call.
llvm::BasicBlock *NoNRVO = createBasicBlock("nrvo.unused");
SkipDtor = createBasicBlock("nrvo.skipdtor");
Builder.CreateCondBr(Builder.CreateLoad(NRVOFlag, "nrvo.val"),
SkipDtor,
NoNRVO);
EmitBlock(NoNRVO);
}
// We don't call the destructor along the normal edge if we're
// applying the NRVO.
EmitCXXDestructorCall(D, Dtor_Complete, /*ForVirtualBase=*/false,
Loc);
if (NRVO) EmitBlock(SkipDtor);
// Along the exceptions path we always execute the dtor.
if (Exceptions) {
Scope.beginEHCleanup();
EmitCXXDestructorCall(D, Dtor_Complete, /*ForVirtualBase=*/false,
Loc);
}
EHStack.pushLazyCleanup<CallVarDtor>(NormalAndEHCleanup,
D, NRVOFlag, Loc);
}
}
}

203
lib/CodeGen/CGException.cpp
View File

@ -62,12 +62,37 @@ EHScopeStack::getEnclosingEHCleanup(iterator it) const {
return stabilize(it);
return cast<EHCleanupScope>(*it).getEnclosingEHCleanup();
}
if (isa<EHLazyCleanupScope>(*it)) {
if (cast<EHLazyCleanupScope>(*it).isEHCleanup())
return stabilize(it);
return cast<EHLazyCleanupScope>(*it).getEnclosingEHCleanup();
}
++it;
} while (it != end());
return stable_end();
}
void *EHScopeStack::pushLazyCleanup(CleanupKind Kind, size_t Size) {
assert(((Size % sizeof(void*)) == 0) && "cleanup type is misaligned");
char *Buffer = allocate(EHLazyCleanupScope::getSizeForCleanupSize(Size));
bool IsNormalCleanup = Kind != EHCleanup;
bool IsEHCleanup = Kind != NormalCleanup;
EHLazyCleanupScope *Scope =
new (Buffer) EHLazyCleanupScope(IsNormalCleanup,
IsEHCleanup,
Size,
BranchFixups.size(),
InnermostNormalCleanup,
InnermostEHCleanup);
if (IsNormalCleanup)
InnermostNormalCleanup = stable_begin();
if (IsEHCleanup)
InnermostEHCleanup = stable_begin();
return Scope->getCleanupBuffer();
}
void EHScopeStack::pushCleanup(llvm::BasicBlock *NormalEntry,
llvm::BasicBlock *NormalExit,
llvm::BasicBlock *EHEntry,
@ -86,11 +111,18 @@ void EHScopeStack::pushCleanup(llvm::BasicBlock *NormalEntry,
void EHScopeStack::popCleanup() {
assert(!empty() && "popping exception stack when not empty");
assert(isa<EHCleanupScope>(*begin()));
EHCleanupScope &Cleanup = cast<EHCleanupScope>(*begin());
InnermostNormalCleanup = Cleanup.getEnclosingNormalCleanup();
InnermostEHCleanup = Cleanup.getEnclosingEHCleanup();
StartOfData += EHCleanupScope::getSize();
if (isa<EHLazyCleanupScope>(*begin())) {
EHLazyCleanupScope &Cleanup = cast<EHLazyCleanupScope>(*begin());
InnermostNormalCleanup = Cleanup.getEnclosingNormalCleanup();
InnermostEHCleanup = Cleanup.getEnclosingEHCleanup();
StartOfData += Cleanup.getAllocatedSize();
} else {
assert(isa<EHCleanupScope>(*begin()));
EHCleanupScope &Cleanup = cast<EHCleanupScope>(*begin());
InnermostNormalCleanup = Cleanup.getEnclosingNormalCleanup();
InnermostEHCleanup = Cleanup.getEnclosingEHCleanup();
StartOfData += EHCleanupScope::getSize();
}
// Check whether we can shrink the branch-fixups stack.
if (!BranchFixups.empty()) {
@ -144,7 +176,11 @@ void EHScopeStack::popNullFixups() {
assert(hasNormalCleanups());
EHScopeStack::iterator it = find(InnermostNormalCleanup);
unsigned MinSize = cast<EHCleanupScope>(*it).getFixupDepth();
unsigned MinSize;
if (isa<EHCleanupScope>(*it))
MinSize = cast<EHCleanupScope>(*it).getFixupDepth();
else
MinSize = cast<EHLazyCleanupScope>(*it).getFixupDepth();
assert(BranchFixups.size() >= MinSize && "fixup stack out of order");
while (BranchFixups.size() > MinSize &&
@ -364,6 +400,33 @@ static llvm::Constant *getCleanupValue(CodeGenFunction &CGF) {
return llvm::ConstantInt::get(CGF.Builder.getInt32Ty(), 0);
}
namespace {
/// A cleanup to free the exception object if its initialization
/// throws.
struct FreeExceptionCleanup : EHScopeStack::LazyCleanup {
FreeExceptionCleanup(llvm::Value *ShouldFreeVar,
llvm::Value *ExnLocVar)
: ShouldFreeVar(ShouldFreeVar), ExnLocVar(ExnLocVar) {}
llvm::Value *ShouldFreeVar;
llvm::Value *ExnLocVar;
void Emit(CodeGenFunction &CGF, bool IsForEH) {
llvm::BasicBlock *FreeBB = CGF.createBasicBlock("free-exnobj");
llvm::BasicBlock *DoneBB = CGF.createBasicBlock("free-exnobj.done");
llvm::Value *ShouldFree = CGF.Builder.CreateLoad(ShouldFreeVar,
"should-free-exnobj");
CGF.Builder.CreateCondBr(ShouldFree, FreeBB, DoneBB);
CGF.EmitBlock(FreeBB);
llvm::Value *ExnLocLocal = CGF.Builder.CreateLoad(ExnLocVar, "exnobj");
CGF.Builder.CreateCall(getFreeExceptionFn(CGF), ExnLocLocal)
->setDoesNotThrow();
CGF.EmitBlock(DoneBB);
}
};
}
// Emits an exception expression into the given location. This
// differs from EmitAnyExprToMem only in that, if a final copy-ctor
// call is required, an exception within that copy ctor causes
@ -388,22 +451,11 @@ static void EmitAnyExprToExn(CodeGenFunction &CGF, const Expr *E,
// Make sure the exception object is cleaned up if there's an
// exception during initialization.
// FIXME: StmtExprs probably force this to include a non-EH
// handler.
{
CodeGenFunction::CleanupBlock Cleanup(CGF, CodeGenFunction::EHCleanup);
llvm::BasicBlock *FreeBB = CGF.createBasicBlock("free-exnobj");
llvm::BasicBlock *DoneBB = CGF.createBasicBlock("free-exnobj.done");
llvm::Value *ShouldFree = CGF.Builder.CreateLoad(ShouldFreeVar,
"should-free-exnobj");
CGF.Builder.CreateCondBr(ShouldFree, FreeBB, DoneBB);
CGF.EmitBlock(FreeBB);
llvm::Value *ExnLocLocal = CGF.Builder.CreateLoad(ExnLocVar, "exnobj");
CGF.Builder.CreateCall(getFreeExceptionFn(CGF), ExnLocLocal)
->setDoesNotThrow();
CGF.EmitBlock(DoneBB);
}
// FIXME: stmt expressions might require this to be a normal
// cleanup, too.
CGF.EHStack.pushLazyCleanup<FreeExceptionCleanup>(EHCleanup,
ShouldFreeVar,
ExnLocVar);
EHScopeStack::stable_iterator Cleanup = CGF.EHStack.stable_begin();
CGF.Builder.CreateStore(ExnLoc, ExnLocVar);
@ -598,13 +650,28 @@ void CodeGenFunction::EnterCXXTryStmt(const CXXTryStmt &S, bool IsFnTryBlock) {
/// affect exception handling. Currently, the only non-EH scopes are
/// normal-only cleanup scopes.
static bool isNonEHScope(const EHScope &S) {
return isa<EHCleanupScope>(S) && !cast<EHCleanupScope>(S).isEHCleanup();
switch (S.getKind()) {
case EHScope::Cleanup:
return !cast<EHCleanupScope>(S).isEHCleanup();
case EHScope::LazyCleanup:
return !cast<EHLazyCleanupScope>(S).isEHCleanup();
case EHScope::Filter:
case EHScope::Catch:
case EHScope::Terminate:
return false;
}
// Suppress warning.
return false;
}
llvm::BasicBlock *CodeGenFunction::getInvokeDestImpl() {
assert(EHStack.requiresLandingPad());
assert(!EHStack.empty());
if (!Exceptions)
return 0;
// Check the innermost scope for a cached landing pad. If this is
// a non-EH cleanup, we'll check enclosing scopes in EmitLandingPad.
llvm::BasicBlock *LP = EHStack.begin()->getCachedLandingPad();
@ -713,6 +780,12 @@ llvm::BasicBlock *CodeGenFunction::EmitLandingPad() {
I != E; ++I) {
switch (I->getKind()) {
case EHScope::LazyCleanup:
if (!HasEHCleanup)
HasEHCleanup = cast<EHLazyCleanupScope>(*I).isEHCleanup();
// We otherwise don't care about cleanups.
continue;
case EHScope::Cleanup:
if (!HasEHCleanup)
HasEHCleanup = cast<EHCleanupScope>(*I).isEHCleanup();
@ -947,19 +1020,45 @@ llvm::BasicBlock *CodeGenFunction::EmitLandingPad() {
return LP;
}
namespace {
/// A cleanup to call __cxa_end_catch. In many cases, the caught
/// exception type lets us state definitively that the thrown exception
/// type does not have a destructor. In particular:
/// - Catch-alls tell us nothing, so we have to conservatively
/// assume that the thrown exception might have a destructor.
/// - Catches by reference behave according to their base types.
/// - Catches of non-record types will only trigger for exceptions
/// of non-record types, which never have destructors.
/// - Catches of record types can trigger for arbitrary subclasses
/// of the caught type, so we have to assume the actual thrown
/// exception type might have a throwing destructor, even if the
/// caught type's destructor is trivial or nothrow.
struct CallEndCatch : EHScopeStack::LazyCleanup {
CallEndCatch(bool MightThrow) : MightThrow(MightThrow) {}
bool MightThrow;
void Emit(CodeGenFunction &CGF, bool IsForEH) {
if (!MightThrow) {
CGF.Builder.CreateCall(getEndCatchFn(CGF))->setDoesNotThrow();
return;
}
CGF.EmitCallOrInvoke(getEndCatchFn(CGF), 0, 0);
}
};
}
/// Emits a call to __cxa_begin_catch and enters a cleanup to call
/// __cxa_end_catch.
static llvm::Value *CallBeginCatch(CodeGenFunction &CGF, llvm::Value *Exn) {
///
/// \param EndMightThrow - true if __cxa_end_catch might throw
static llvm::Value *CallBeginCatch(CodeGenFunction &CGF,
llvm::Value *Exn,
bool EndMightThrow) {
llvm::CallInst *Call = CGF.Builder.CreateCall(getBeginCatchFn(CGF), Exn);
Call->setDoesNotThrow();
{
CodeGenFunction::CleanupBlock EndCatchCleanup(CGF,
CodeGenFunction::NormalAndEHCleanup);
// __cxa_end_catch never throws, so this can just be a call.
CGF.Builder.CreateCall(getEndCatchFn(CGF))->setDoesNotThrow();
}
CGF.EHStack.pushLazyCleanup<CallEndCatch>(NormalAndEHCleanup, EndMightThrow);
return Call;
}
@ -979,8 +1078,11 @@ static void InitCatchParam(CodeGenFunction &CGF,
// If we're catching by reference, we can just cast the object
// pointer to the appropriate pointer.
if (isa<ReferenceType>(CatchType)) {
bool EndCatchMightThrow = cast<ReferenceType>(CatchType)->getPointeeType()
->isRecordType();
// __cxa_begin_catch returns the adjusted object pointer.
llvm::Value *AdjustedExn = CallBeginCatch(CGF, Exn);
llvm::Value *AdjustedExn = CallBeginCatch(CGF, Exn, EndCatchMightThrow);
llvm::Value *ExnCast =
CGF.Builder.CreateBitCast(AdjustedExn, LLVMCatchTy, "exn.byref");
CGF.Builder.CreateStore(ExnCast, ParamAddr);
@ -991,7 +1093,7 @@ static void InitCatchParam(CodeGenFunction &CGF,
bool IsComplex = false;
if (!CGF.hasAggregateLLVMType(CatchType) ||
(IsComplex = CatchType->isAnyComplexType())) {
llvm::Value *AdjustedExn = CallBeginCatch(CGF, Exn);
llvm::Value *AdjustedExn = CallBeginCatch(CGF, Exn, false);
// If the catch type is a pointer type, __cxa_begin_catch returns
// the pointer by value.
@ -1026,7 +1128,7 @@ static void InitCatchParam(CodeGenFunction &CGF,
const llvm::Type *PtrTy = LLVMCatchTy->getPointerTo(0); // addrspace 0 ok
if (RD->hasTrivialCopyConstructor()) {
llvm::Value *AdjustedExn = CallBeginCatch(CGF, Exn);
llvm::Value *AdjustedExn = CallBeginCatch(CGF, Exn, true);
llvm::Value *Cast = CGF.Builder.CreateBitCast(AdjustedExn, PtrTy);
CGF.EmitAggregateCopy(ParamAddr, Cast, CatchType);
return;
@ -1059,7 +1161,7 @@ static void InitCatchParam(CodeGenFunction &CGF,
CGF.EHStack.popTerminate();
// Finally we can call __cxa_begin_catch.
CallBeginCatch(CGF, Exn);
CallBeginCatch(CGF, Exn, true);
}
/// Begins a catch statement by initializing the catch variable and
@ -1092,7 +1194,7 @@ static void BeginCatch(CodeGenFunction &CGF,
VarDecl *CatchParam = S->getExceptionDecl();
if (!CatchParam) {
llvm::Value *Exn = CGF.Builder.CreateLoad(CGF.getExceptionSlot(), "exn");
CallBeginCatch(CGF, Exn);
CallBeginCatch(CGF, Exn, true);
return;
}
@ -1100,6 +1202,14 @@ static void BeginCatch(CodeGenFunction &CGF,
CGF.EmitLocalBlockVarDecl(*CatchParam, &InitCatchParam);
}
namespace {
struct CallRethrow : EHScopeStack::LazyCleanup {
void Emit(CodeGenFunction &CGF, bool IsForEH) {
CGF.EmitCallOrInvoke(getReThrowFn(CGF), 0, 0);
}
};
}
void CodeGenFunction::ExitCXXTryStmt(const CXXTryStmt &S, bool IsFnTryBlock) {
unsigned NumHandlers = S.getNumHandlers();
EHCatchScope &CatchScope = cast<EHCatchScope>(*EHStack.begin());
@ -1140,12 +1250,10 @@ void CodeGenFunction::ExitCXXTryStmt(const CXXTryStmt &S, bool IsFnTryBlock) {
BeginCatch(*this, C);
// If there's an implicit rethrow, push a normal "cleanup" to call
// _cxa_rethrow. This needs to happen before _cxa_end_catch is
// called.
if (ImplicitRethrow) {
CleanupBlock Rethrow(*this, NormalCleanup);
EmitCallOrInvoke(getReThrowFn(*this), 0, 0);
}
// _cxa_rethrow. This needs to happen before __cxa_end_catch is
// called, and so it is pushed after BeginCatch.
if (ImplicitRethrow)
EHStack.pushLazyCleanup<CallRethrow>(NormalCleanup);
// Perform the body of the catch.
EmitStmt(C->getHandlerBlock());
@ -1213,13 +1321,11 @@ CodeGenFunction::EnterFinallyBlock(const Stmt *Body,
// Enter a normal cleanup which will perform the @finally block.
{
CodeGenFunction::CleanupBlock
NormalCleanup(*this, CodeGenFunction::NormalCleanup);
CodeGenFunction::CleanupBlock Cleanup(*this, NormalCleanup);
// Enter a cleanup to call the end-catch function if one was provided.
if (EndCatchFn) {
CodeGenFunction::CleanupBlock
FinallyExitCleanup(CGF, CodeGenFunction::NormalAndEHCleanup);
CodeGenFunction::CleanupBlock FinallyExitCleanup(CGF, NormalAndEHCleanup);
llvm::BasicBlock *EndCatchBB = createBasicBlock("finally.endcatch");
llvm::BasicBlock *CleanupContBB = createBasicBlock("finally.cleanup.cont");
@ -1228,7 +1334,7 @@ CodeGenFunction::EnterFinallyBlock(const Stmt *Body,
Builder.CreateLoad(ForEHVar, "finally.endcatch");
Builder.CreateCondBr(ShouldEndCatch, EndCatchBB, CleanupContBB);
EmitBlock(EndCatchBB);
Builder.CreateCall(EndCatchFn)->setDoesNotThrow();
EmitCallOrInvoke(EndCatchFn, 0, 0); // catch-all, so might throw
EmitBlock(CleanupContBB);
}
@ -1435,3 +1541,6 @@ CodeGenFunction::CleanupBlock::~CleanupBlock() {
CGF.Builder.restoreIP(SavedIP);
}
EHScopeStack::LazyCleanup::~LazyCleanup() {
llvm_unreachable("LazyCleanup is indestructable");
}

92
lib/CodeGen/CGException.h
View File

@ -31,13 +31,13 @@ namespace CodeGen {
class EHScope {
llvm::BasicBlock *CachedLandingPad;
unsigned K : 2;
unsigned K : 3;
protected:
enum { BitsRemaining = 30 };
enum { BitsRemaining = 29 };
public:
enum Kind { Cleanup, Catch, Terminate, Filter };
enum Kind { Cleanup, LazyCleanup, Catch, Terminate, Filter };
EHScope(Kind K) : CachedLandingPad(0), K(K) {}
@ -127,6 +127,87 @@ class EHCatchScope : public EHScope {
}
};
/// A cleanup scope which generates the cleanup blocks lazily.
class EHLazyCleanupScope : public EHScope {
/// Whether this cleanup needs to be run along normal edges.
bool IsNormalCleanup : 1;
/// Whether this cleanup needs to be run along exception edges.
bool IsEHCleanup : 1;
/// The amount of extra storage needed by the LazyCleanup.
/// Always a multiple of the scope-stack alignment.
unsigned CleanupSize : 12;
/// The number of fixups required by enclosing scopes (not including
/// this one). If this is the top cleanup scope, all the fixups
/// from this index onwards belong to this scope.
unsigned FixupDepth : BitsRemaining - 14;
/// The nearest normal cleanup scope enclosing this one.
EHScopeStack::stable_iterator EnclosingNormal;
/// The nearest EH cleanup scope enclosing this one.
EHScopeStack::stable_iterator EnclosingEH;
/// The dual entry/exit block along the normal edge. This is lazily
/// created if needed before the cleanup is popped.
llvm::BasicBlock *NormalBlock;
/// The dual entry/exit block along the EH edge. This is lazily
/// created if needed before the cleanup is popped.
llvm::BasicBlock *EHBlock;
public:
/// Gets the size required for a lazy cleanup scope with the given
/// cleanup-data requirements.
static size_t getSizeForCleanupSize(size_t Size) {
return sizeof(EHLazyCleanupScope) + Size;
}
size_t getAllocatedSize() const {
return sizeof(EHLazyCleanupScope) + CleanupSize;
}
EHLazyCleanupScope(bool IsNormal, bool IsEH, unsigned CleanupSize,
unsigned FixupDepth,
EHScopeStack::stable_iterator EnclosingNormal,
EHScopeStack::stable_iterator EnclosingEH)
: EHScope(EHScope::LazyCleanup),
IsNormalCleanup(IsNormal), IsEHCleanup(IsEH),
CleanupSize(CleanupSize), FixupDepth(FixupDepth),
EnclosingNormal(EnclosingNormal), EnclosingEH(EnclosingEH),
NormalBlock(0), EHBlock(0)
{}
bool isNormalCleanup() const { return IsNormalCleanup; }
llvm::BasicBlock *getNormalBlock() const { return NormalBlock; }
void setNormalBlock(llvm::BasicBlock *BB) { NormalBlock = BB; }
bool isEHCleanup() const { return IsEHCleanup; }
llvm::BasicBlock *getEHBlock() const { return EHBlock; }
void setEHBlock(llvm::BasicBlock *BB) { EHBlock = BB; }
unsigned getFixupDepth() const { return FixupDepth; }
EHScopeStack::stable_iterator getEnclosingNormalCleanup() const {
return EnclosingNormal;
}
EHScopeStack::stable_iterator getEnclosingEHCleanup() const {
return EnclosingEH;
}
size_t getCleanupSize() const { return CleanupSize; }
void *getCleanupBuffer() { return this + 1; }
EHScopeStack::LazyCleanup *getCleanup() {
return reinterpret_cast<EHScopeStack::LazyCleanup*>(getCleanupBuffer());
}
static bool classof(const EHScope *Scope) {
return (Scope->getKind() == LazyCleanup);
}
};
/// A scope which needs to execute some code if we try to unwind ---
/// either normally, via the EH mechanism, or both --- through it.
class EHCleanupScope : public EHScope {
@ -267,6 +348,11 @@ class EHScopeStack::iterator {
static_cast<const EHFilterScope*>(get())->getNumFilters());
break;
case EHScope::LazyCleanup:
Ptr += static_cast<const EHLazyCleanupScope*>(get())
->getAllocatedSize();
break;
case EHScope::Cleanup:
Ptr += EHCleanupScope::getSize();
break;

2
lib/CodeGen/CGExpr.cpp
View File

@ -1816,7 +1816,7 @@ LValue CodeGenFunction::EmitCastLValue(const CastExpr *E) {
return LValue::MakeAddr(Derived, MakeQualifiers(E->getType()));
}
case CastExpr::CK_BitCast: {
case CastExpr::CK_LValueBitCast: {
// This must be a reinterpret_cast (or c-style equivalent).
const ExplicitCastExpr *CE = cast<ExplicitCastExpr>(E);

4
lib/CodeGen/CGExprAgg.cpp
View File

@ -307,6 +307,10 @@ void AggExprEmitter::VisitCastExpr(CastExpr *E) {
break;
}
case CastExpr::CK_LValueBitCast:
llvm_unreachable("there are no lvalue bit-casts on aggregates");
break;
case CastExpr::CK_BitCast: {
// This must be a member function pointer cast.
Visit(E->getSubExpr());

25
lib/CodeGen/CGExprComplex.cpp
View File

@ -131,14 +131,14 @@ class ComplexExprEmitter
// FIXME: CompoundLiteralExpr
ComplexPairTy EmitCast(Expr *Op, QualType DestTy);
ComplexPairTy EmitCast(CastExpr::CastKind CK, Expr *Op, QualType DestTy);
ComplexPairTy VisitImplicitCastExpr(ImplicitCastExpr *E) {
// Unlike for scalars, we don't have to worry about function->ptr demotion
// here.
return EmitCast(E->getSubExpr(), E->getType());
return EmitCast(E->getCastKind(), E->getSubExpr(), E->getType());
}
ComplexPairTy VisitCastExpr(CastExpr *E) {
return EmitCast(E->getSubExpr(), E->getType());
return EmitCast(E->getCastKind(), E->getSubExpr(), E->getType());
}
ComplexPairTy VisitCallExpr(const CallExpr *E);
ComplexPairTy VisitStmtExpr(const StmtExpr *E);
@ -339,11 +339,22 @@ ComplexPairTy ComplexExprEmitter::EmitComplexToComplexCast(ComplexPairTy Val,
return Val;
}
ComplexPairTy ComplexExprEmitter::EmitCast(Expr *Op, QualType DestTy) {
ComplexPairTy ComplexExprEmitter::EmitCast(CastExpr::CastKind CK, Expr *Op,
QualType DestTy) {
// Two cases here: cast from (complex to complex) and (scalar to complex).
if (Op->getType()->isAnyComplexType())
return EmitComplexToComplexCast(Visit(Op), Op->getType(), DestTy);
// FIXME: We should be looking at all of the cast kinds here, not
// cherry-picking the ones we have test cases for.
if (CK == CastExpr::CK_LValueBitCast) {
llvm::Value *V = CGF.EmitLValue(Op).getAddress();
V = Builder.CreateBitCast(V,
CGF.ConvertType(CGF.getContext().getPointerType(DestTy)));
// FIXME: Are the qualifiers correct here?
return EmitLoadOfComplex(V, DestTy.isVolatileQualified());
}
// C99 6.3.1.7: When a value of real type is converted to a complex type, the
// real part of the complex result value is determined by the rules of
// conversion to the corresponding real type and the imaginary part of the
@ -521,7 +532,7 @@ EmitCompoundAssign(const CompoundAssignOperator *E,
// improve codegen a little. It is possible for the RHS to be complex or
// scalar.
OpInfo.Ty = E->getComputationResultType();
OpInfo.RHS = EmitCast(E->getRHS(), OpInfo.Ty);
OpInfo.RHS = EmitCast(CastExpr::CK_Unknown, E->getRHS(), OpInfo.Ty);
LValue LHS = CGF.EmitLValue(E->getLHS());
// We know the LHS is a complex lvalue.
@ -572,8 +583,8 @@ ComplexPairTy ComplexExprEmitter::VisitBinAssign(const BinaryOperator *E) {
TestAndClearIgnoreImag();
bool ignreal = TestAndClearIgnoreRealAssign();
bool ignimag = TestAndClearIgnoreImagAssign();
assert(CGF.getContext().getCanonicalType(E->getLHS()->getType()) ==
CGF.getContext().getCanonicalType(E->getRHS()->getType()) &&
assert(CGF.getContext().hasSameUnqualifiedType(E->getLHS()->getType(),
E->getRHS()->getType()) &&
"Invalid assignment");
// Emit the RHS.
ComplexPairTy Val = Visit(E->getRHS());

9
lib/CodeGen/CGExprScalar.cpp
View File

@ -925,6 +925,15 @@ Value *ScalarExprEmitter::EmitCastExpr(CastExpr *CE) {
//assert(0 && "Unknown cast kind!");
break;
case CastExpr::CK_LValueBitCast: {
Value *V = EmitLValue(E).getAddress();
V = Builder.CreateBitCast(V,
ConvertType(CGF.getContext().getPointerType(DestTy)));
// FIXME: Are the qualifiers correct here?
return EmitLoadOfLValue(LValue::MakeAddr(V, CGF.MakeQualifiers(DestTy)),
DestTy);
}
case CastExpr::CK_AnyPointerToObjCPointerCast:
case CastExpr::CK_AnyPointerToBlockPointerCast:
case CastExpr::CK_BitCast: {

3
lib/CodeGen/CGObjCGNU.cpp
View File

@ -1871,8 +1871,7 @@ void CGObjCGNU::EmitSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
// Register an all-paths cleanup to release the lock.
{
CodeGenFunction::CleanupBlock
ReleaseScope(CGF, CodeGenFunction::NormalAndEHCleanup);
CodeGenFunction::CleanupBlock ReleaseScope(CGF, NormalAndEHCleanup);
llvm::Value *SyncExit = CGM.CreateRuntimeFunction(FTy, "objc_sync_exit");
SyncArg = CGF.Builder.CreateBitCast(SyncArg, IdTy);

70
lib/CodeGen/CGObjCMac.cpp
View File

@ -32,6 +32,7 @@
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetData.h"
#include <cstdio>
@ -1649,29 +1650,17 @@ CGObjCCommonMac::EmitLegacyMessageSend(CodeGen::CodeGenFunction &CGF,
"Result type mismatch!");
llvm::Constant *Fn = NULL;
if (CGM.ReturnTypeUsesSret(FnInfo)) {
if (CGM.ReturnTypeUsesSRet(FnInfo)) {
Fn = (ObjCABI == 2) ? ObjCTypes.getSendStretFn2(IsSuper)
: ObjCTypes.getSendStretFn(IsSuper);
} else if (ResultType->isRealFloatingType()) {
if (ObjCABI == 2) {
if (const BuiltinType *BT = ResultType->getAs<BuiltinType>()) {
BuiltinType::Kind k = BT->getKind();
Fn = (k == BuiltinType::LongDouble) ? ObjCTypes.getSendFpretFn2(IsSuper)
: ObjCTypes.getSendFn2(IsSuper);
} else {
Fn = ObjCTypes.getSendFn2(IsSuper);
}
} else
// FIXME. This currently matches gcc's API for x86-32. May need to change
// for others if we have their API.
Fn = ObjCTypes.getSendFpretFn(IsSuper);
} else if (CGM.ReturnTypeUsesFPRet(ResultType)) {
Fn = (ObjCABI == 2) ? ObjCTypes.getSendFpretFn2(IsSuper)
: ObjCTypes.getSendFpretFn(IsSuper);
} else {
Fn = (ObjCABI == 2) ? ObjCTypes.getSendFn2(IsSuper)
: ObjCTypes.getSendFn(IsSuper);
}
assert(Fn && "EmitLegacyMessageSend - unknown API");
Fn = llvm::ConstantExpr::getBitCast(Fn,
llvm::PointerType::getUnqual(FTy));
Fn = llvm::ConstantExpr::getBitCast(Fn, llvm::PointerType::getUnqual(FTy));
return CGF.EmitCall(FnInfo, Fn, Return, ActualArgs);
}
@ -2697,8 +2686,7 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
// Push a normal cleanup to leave the try scope.
{
CodeGenFunction::CleanupBlock
FinallyScope(CGF, CodeGenFunction::NormalCleanup);
CodeGenFunction::CleanupBlock FinallyScope(CGF, NormalCleanup);
// Check whether we need to call objc_exception_try_exit.
// In optimized code, this branch will always be folded.
@ -5295,7 +5283,7 @@ CodeGen::RValue CGObjCNonFragileABIMac::EmitMessageSend(
FunctionType::ExtInfo());
llvm::Constant *Fn = 0;
std::string Name("\01l_");
if (CGM.ReturnTypeUsesSret(FnInfo)) {
if (CGM.ReturnTypeUsesSRet(FnInfo)) {
#if 0
// unlike what is documented. gcc never generates this API!!
if (Receiver->getType() == ObjCTypes.ObjectPtrTy) {
@ -5312,14 +5300,9 @@ CodeGen::RValue CGObjCNonFragileABIMac::EmitMessageSend(
Fn = ObjCTypes.getMessageSendStretFixupFn();
Name += "objc_msgSend_stret_fixup";
}
} else if (!IsSuper && ResultType->isRealFloatingType()) {
if (ResultType->isSpecificBuiltinType(BuiltinType::LongDouble)) {
Fn = ObjCTypes.getMessageSendFpretFixupFn();
Name += "objc_msgSend_fpret_fixup";
} else {
Fn = ObjCTypes.getMessageSendFixupFn();
Name += "objc_msgSend_fixup";
}
} else if (!IsSuper && CGM.ReturnTypeUsesFPRet(ResultType)) {
Fn = ObjCTypes.getMessageSendFpretFixupFn();
Name += "objc_msgSend_fpret_fixup";
} else {
#if 0
// unlike what is documented. gcc never generates this API!!
@ -5693,8 +5676,7 @@ CGObjCNonFragileABIMac::EmitSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
// Register an all-paths cleanup to release the lock.
{
CodeGenFunction::CleanupBlock
ReleaseScope(CGF, CodeGenFunction::NormalAndEHCleanup);
CodeGenFunction::CleanupBlock ReleaseScope(CGF, NormalAndEHCleanup);
CGF.Builder.CreateCall(ObjCTypes.getSyncExitFn(), SyncArg)
->setDoesNotThrow();
@ -5714,6 +5696,22 @@ namespace {
llvm::BasicBlock *Block;
llvm::Value *TypeInfo;
};
struct CallObjCEndCatch : EHScopeStack::LazyCleanup {
CallObjCEndCatch(bool MightThrow, llvm::Value *Fn) :
MightThrow(MightThrow), Fn(Fn) {}
bool MightThrow;
llvm::Value *Fn;
void Emit(CodeGenFunction &CGF, bool IsForEH) {
if (!MightThrow) {
CGF.Builder.CreateCall(Fn)->setDoesNotThrow();
return;
}
CGF.EmitCallOrInvoke(Fn, 0, 0);
}
};
}
void CGObjCNonFragileABIMac::EmitTryStmt(CodeGen::CodeGenFunction &CGF,
@ -5803,14 +5801,10 @@ void CGObjCNonFragileABIMac::EmitTryStmt(CodeGen::CodeGenFunction &CGF,
Exn->setDoesNotThrow();
// Add a cleanup to leave the catch.
{
CodeGenFunction::CleanupBlock
EndCatchBlock(CGF, CodeGenFunction::NormalAndEHCleanup);
// __objc_end_catch never throws.
CGF.Builder.CreateCall(ObjCTypes.getObjCEndCatchFn())
->setDoesNotThrow();
}
bool EndCatchMightThrow = (Handler.Variable == 0);
CGF.EHStack.pushLazyCleanup<CallObjCEndCatch>(NormalAndEHCleanup,
EndCatchMightThrow,
ObjCTypes.getObjCEndCatchFn());
// Bind the catch parameter if it exists.
if (const VarDecl *CatchParam = Handler.Variable) {

177
lib/CodeGen/CodeGenFunction.cpp
View File

@ -825,11 +825,168 @@ static void SimplifyCleanupEdges(CodeGenFunction &CGF,
SimplifyCleanupEntry(CGF, Entry);
}
static void EmitLazyCleanup(CodeGenFunction &CGF,
EHScopeStack::LazyCleanup *Fn,
bool ForEH) {
if (ForEH) CGF.EHStack.pushTerminate();
Fn->Emit(CGF, ForEH);
if (ForEH) CGF.EHStack.popTerminate();
assert(CGF.HaveInsertPoint() && "cleanup ended with no insertion point?");
}
static void SplitAndEmitLazyCleanup(CodeGenFunction &CGF,
EHScopeStack::LazyCleanup *Fn,
bool ForEH,
llvm::BasicBlock *Entry) {
assert(Entry && "no entry block for cleanup");
// Remove the switch and load from the end of the entry block.
llvm::Instruction *Switch = &Entry->getInstList().back();
Entry->getInstList().remove(Switch);
assert(isa<llvm::SwitchInst>(Switch));
llvm::Instruction *Load = &Entry->getInstList().back();
Entry->getInstList().remove(Load);
assert(isa<llvm::LoadInst>(Load));
assert(Entry->getInstList().empty() &&
"lazy cleanup block not empty after removing load/switch pair?");
// Emit the actual cleanup at the end of the entry block.
CGF.Builder.SetInsertPoint(Entry);
EmitLazyCleanup(CGF, Fn, ForEH);
// Put the load and switch at the end of the exit block.
llvm::BasicBlock *Exit = CGF.Builder.GetInsertBlock();
Exit->getInstList().push_back(Load);
Exit->getInstList().push_back(Switch);
// Clean up the edges if possible.
SimplifyCleanupEdges(CGF, Entry, Exit);
CGF.Builder.ClearInsertionPoint();
}
static void PopLazyCleanupBlock(CodeGenFunction &CGF) {
assert(isa<EHLazyCleanupScope>(*CGF.EHStack.begin()) && "top not a cleanup!");
EHLazyCleanupScope &Scope = cast<EHLazyCleanupScope>(*CGF.EHStack.begin());
assert(Scope.getFixupDepth() <= CGF.EHStack.getNumBranchFixups());
// Check whether we need an EH cleanup. This is only true if we've
// generated a lazy EH cleanup block.
llvm::BasicBlock *EHEntry = Scope.getEHBlock();
bool RequiresEHCleanup = (EHEntry != 0);
// Check the three conditions which might require a normal cleanup:
// - whether there are branch fix-ups through this cleanup
unsigned FixupDepth = Scope.getFixupDepth();
bool HasFixups = CGF.EHStack.getNumBranchFixups() != FixupDepth;
// - whether control has already been threaded through this cleanup
llvm::BasicBlock *NormalEntry = Scope.getNormalBlock();
bool HasExistingBranches = (NormalEntry != 0);
// - whether there's a fallthrough
llvm::BasicBlock *FallthroughSource = CGF.Builder.GetInsertBlock();
bool HasFallthrough = (FallthroughSource != 0);
bool RequiresNormalCleanup = false;
if (Scope.isNormalCleanup() &&
(HasFixups || HasExistingBranches || HasFallthrough)) {
RequiresNormalCleanup = true;
}
// If we don't need the cleanup at all, we're done.
if (!RequiresNormalCleanup && !RequiresEHCleanup) {
CGF.EHStack.popCleanup();
assert(CGF.EHStack.getNumBranchFixups() == 0 ||
CGF.EHStack.hasNormalCleanups());
return;
}
// Copy the cleanup emission data out. Note that SmallVector
// guarantees maximal alignment for its buffer regardless of its
// type parameter.
llvm::SmallVector<char, 8*sizeof(void*)> CleanupBuffer;
CleanupBuffer.reserve(Scope.getCleanupSize());
memcpy(CleanupBuffer.data(),
Scope.getCleanupBuffer(), Scope.getCleanupSize());
CleanupBuffer.set_size(Scope.getCleanupSize());
EHScopeStack::LazyCleanup *Fn =
reinterpret_cast<EHScopeStack::LazyCleanup*>(CleanupBuffer.data());
// We're done with the scope; pop it off so we can emit the cleanups.
CGF.EHStack.popCleanup();
if (RequiresNormalCleanup) {
// If we have a fallthrough and no other need for the cleanup,
// emit it directly.
if (HasFallthrough && !HasFixups && !HasExistingBranches) {
EmitLazyCleanup(CGF, Fn, /*ForEH*/ false);
// Otherwise, the best approach is to thread everything through
// the cleanup block and then try to clean up after ourselves.
} else {
// Force the entry block to exist.
if (!HasExistingBranches) {
NormalEntry = CGF.createBasicBlock("cleanup");
CreateCleanupSwitch(CGF, NormalEntry);
}
CGF.EmitBlock(NormalEntry);
// Thread the fallthrough edge through the (momentarily trivial)
// cleanup.
llvm::BasicBlock *FallthroughDestination = 0;
if (HasFallthrough) {
assert(isa<llvm::BranchInst>(FallthroughSource->getTerminator()));
FallthroughDestination = CGF.createBasicBlock("cleanup.cont");
BranchFixup Fix;
Fix.Destination = FallthroughDestination;
Fix.LatestBranch = FallthroughSource->getTerminator();
Fix.LatestBranchIndex = 0;
Fix.Origin = Fix.LatestBranch;
// Restore fixup invariant. EmitBlock added a branch to the
// cleanup which we need to redirect to the destination.
cast<llvm::BranchInst>(Fix.LatestBranch)
->setSuccessor(0, Fix.Destination);
ThreadFixupThroughCleanup(CGF, Fix, NormalEntry, NormalEntry);
}
// Thread any "real" fixups we need to thread.
for (unsigned I = FixupDepth, E = CGF.EHStack.getNumBranchFixups();
I != E; ++I)
if (CGF.EHStack.getBranchFixup(I).Destination)
ThreadFixupThroughCleanup(CGF, CGF.EHStack.getBranchFixup(I),
NormalEntry, NormalEntry);
SplitAndEmitLazyCleanup(CGF, Fn, /*ForEH*/ false, NormalEntry);
if (HasFallthrough)
CGF.EmitBlock(FallthroughDestination);
}
}
// Emit the EH cleanup if required.
if (RequiresEHCleanup) {
CGBuilderTy::InsertPoint SavedIP = CGF.Builder.saveAndClearIP();
CGF.EmitBlock(EHEntry);
SplitAndEmitLazyCleanup(CGF, Fn, /*ForEH*/ true, EHEntry);
CGF.Builder.restoreIP(SavedIP);
}
}
/// Pops a cleanup block. If the block includes a normal cleanup, the
/// current insertion point is threaded through the cleanup, as are
/// any branch fixups on the cleanup.
void CodeGenFunction::PopCleanupBlock() {
assert(!EHStack.empty() && "cleanup stack is empty!");
if (isa<EHLazyCleanupScope>(*EHStack.begin()))
return PopLazyCleanupBlock(*this);
assert(isa<EHCleanupScope>(*EHStack.begin()) && "top not a cleanup!");
EHCleanupScope &Scope = cast<EHCleanupScope>(*EHStack.begin());
assert(Scope.getFixupDepth() <= EHStack.getNumBranchFixups());
@ -1007,6 +1164,16 @@ void CodeGenFunction::EmitBranchThroughCleanup(JumpDest Dest) {
if (Scope.isNormalCleanup())
ThreadFixupThroughCleanup(*this, Fixup, Scope.getNormalEntry(),
Scope.getNormalExit());
} else if (isa<EHLazyCleanupScope>(*I)) {
EHLazyCleanupScope &Scope = cast<EHLazyCleanupScope>(*I);
if (Scope.isNormalCleanup()) {
llvm::BasicBlock *Block = Scope.getNormalBlock();
if (!Block) {
Block = createBasicBlock("cleanup");
Scope.setNormalBlock(Block);
}
ThreadFixupThroughCleanup(*this, Fixup, Block, Block);
}
}
}
@ -1046,6 +1213,16 @@ void CodeGenFunction::EmitBranchThroughEHCleanup(JumpDest Dest) {
if (Scope.isEHCleanup())
ThreadFixupThroughCleanup(*this, Fixup, Scope.getEHEntry(),
Scope.getEHExit());
} else if (isa<EHLazyCleanupScope>(*I)) {
EHLazyCleanupScope &Scope = cast<EHLazyCleanupScope>(*I);
if (Scope.isEHCleanup()) {
llvm::BasicBlock *Block = Scope.getEHBlock();
if (!Block) {
Block = createBasicBlock("eh.cleanup");
Scope.setEHBlock(Block);
}
ThreadFixupThroughCleanup(*this, Fixup, Block, Block);
}
}
}

75
lib/CodeGen/CodeGenFunction.h
View File

@ -95,6 +95,8 @@ struct BranchFixup {
unsigned LatestBranchIndex;
};
enum CleanupKind { NormalAndEHCleanup, EHCleanup, NormalCleanup };
/// A stack of scopes which respond to exceptions, including cleanups
/// and catch blocks.
class EHScopeStack {
@ -123,6 +125,33 @@ class EHScopeStack {
}
};
/// A lazy cleanup. Subclasses must be POD-like: cleanups will
/// not be destructed, and they will be allocated on the cleanup
/// stack and freely copied and moved around.
///
/// LazyCleanup implementations should generally be declared in an
/// anonymous namespace.
class LazyCleanup {
public:
// Anchor the construction vtable. We use the destructor because
// gcc gives an obnoxious warning if there are virtual methods
// with an accessible non-virtual destructor. Unfortunately,
// declaring this destructor makes it non-trivial, but there
// doesn't seem to be any other way around this warning.
//
// This destructor will never be called.
virtual ~LazyCleanup();
/// Emit the cleanup. For normal cleanups, this is run in the
/// same EH context as when the cleanup was pushed, i.e. the
/// immediately-enclosing context of the cleanup scope. For
/// EH cleanups, this is run in a terminate context.
///
// \param IsForEHCleanup true if this is for an EH cleanup, false
/// if for a normal cleanup.
virtual void Emit(CodeGenFunction &CGF, bool IsForEHCleanup) = 0;
};
private:
// The implementation for this class is in CGException.h and
// CGException.cpp; the definition is here because it's used as a
@ -171,6 +200,8 @@ class EHScopeStack {
void popNullFixups();
void *pushLazyCleanup(CleanupKind K, size_t DataSize);
public:
EHScopeStack() : StartOfBuffer(0), EndOfBuffer(0), StartOfData(0),
InnermostNormalCleanup(stable_end()),
@ -178,6 +209,48 @@ class EHScopeStack {
CatchDepth(0) {}
~EHScopeStack() { delete[] StartOfBuffer; }
// Variadic templates would make this not terrible.
/// Push a lazily-created cleanup on the stack.
template <class T>
void pushLazyCleanup(CleanupKind Kind) {
void *Buffer = pushLazyCleanup(Kind, sizeof(T));
LazyCleanup *Obj = new(Buffer) T();
(void) Obj;
}
/// Push a lazily-created cleanup on the stack.
template <class T, class A0>
void pushLazyCleanup(CleanupKind Kind, A0 a0) {
void *Buffer = pushLazyCleanup(Kind, sizeof(T));
LazyCleanup *Obj = new(Buffer) T(a0);
(void) Obj;
}
/// Push a lazily-created cleanup on the stack.
template <class T, class A0, class A1>
void pushLazyCleanup(CleanupKind Kind, A0 a0, A1 a1) {
void *Buffer = pushLazyCleanup(Kind, sizeof(T));
LazyCleanup *Obj = new(Buffer) T(a0, a1);
(void) Obj;
}
/// Push a lazily-created cleanup on the stack.
template <class T, class A0, class A1, class A2>
void pushLazyCleanup(CleanupKind Kind, A0 a0, A1 a1, A2 a2) {
void *Buffer = pushLazyCleanup(Kind, sizeof(T));
LazyCleanup *Obj = new(Buffer) T(a0, a1, a2);
(void) Obj;
}
/// Push a lazily-created cleanup on the stack.
template <class T, class A0, class A1, class A2, class A3>
void pushLazyCleanup(CleanupKind Kind, A0 a0, A1 a1, A2 a2, A3 a3) {
void *Buffer = pushLazyCleanup(Kind, sizeof(T));
LazyCleanup *Obj = new(Buffer) T(a0, a1, a2, a3);
(void) Obj;
}
/// Push a cleanup on the stack.
void pushCleanup(llvm::BasicBlock *NormalEntry,
llvm::BasicBlock *NormalExit,
@ -375,8 +448,6 @@ class CodeGenFunction : public BlockFunction {
llvm::Constant *RethrowFn);
void ExitFinallyBlock(FinallyInfo &FinallyInfo);
enum CleanupKind { NormalAndEHCleanup, EHCleanup, NormalCleanup };
/// PushDestructorCleanup - Push a cleanup to call the
/// complete-object destructor of an object of the given type at the
/// given address. Does nothing if T is not a C++ class type with a

8
lib/CodeGen/CodeGenModule.h
View File

@ -444,9 +444,13 @@ class CodeGenModule : public BlockModule {
/// which only apply to a function definintion.
void SetLLVMFunctionAttributesForDefinition(const Decl *D, llvm::Function *F);
/// ReturnTypeUsesSret - Return true iff the given type uses 'sret' when used
/// ReturnTypeUsesSRet - Return true iff the given type uses 'sret' when used
/// as a return type.
bool ReturnTypeUsesSret(const CGFunctionInfo &FI);
bool ReturnTypeUsesSRet(const CGFunctionInfo &FI);
/// ReturnTypeUsesSret - Return true iff the given type uses 'fpret' when used
/// as a return type.
bool ReturnTypeUsesFPRet(QualType ResultType);
/// ConstructAttributeList - Get the LLVM attributes and calling convention to
/// use for a particular function type.

253
lib/CodeGen/Mangle.cpp
View File

@ -169,7 +169,9 @@ class CXXNameMangler {
void mangle(const NamedDecl *D, llvm::StringRef Prefix = "_Z");
void mangleCallOffset(int64_t NonVirtual, int64_t Virtual);
void mangleNumber(const llvm::APSInt &I);
void mangleNumber(int64_t Number);
void mangleFloat(const llvm::APFloat &F);
void mangleFunctionEncoding(const FunctionDecl *FD);
void mangleName(const NamedDecl *ND);
void mangleType(QualType T);
@ -230,6 +232,7 @@ class CXXNameMangler {
#include "clang/AST/TypeNodes.def"
void mangleType(const TagType*);
void mangleType(TemplateName);
void mangleBareFunctionType(const FunctionType *T,
bool MangleReturnType);
@ -526,6 +529,21 @@ void CXXNameMangler::mangleUnscopedTemplateName(TemplateName Template) {
addSubstitution(Template);
}
void CXXNameMangler::mangleFloat(const llvm::APFloat &F) {
// TODO: avoid this copy with careful stream management.
llvm::SmallString<20> Buffer;
F.bitcastToAPInt().toString(Buffer, 16, false);
Out.write(Buffer.data(), Buffer.size());
}
void CXXNameMangler::mangleNumber(const llvm::APSInt &Value) {
if (Value.isSigned() && Value.isNegative()) {
Out << 'n';
Value.abs().print(Out, true);
} else
Value.print(Out, Value.isSigned());
}
void CXXNameMangler::mangleNumber(int64_t Number) {
// <number> ::= [n] <non-negative decimal integer>
if (Number < 0) {
@ -939,6 +957,53 @@ void CXXNameMangler::mangleTemplatePrefix(const TemplateDecl *ND) {
addSubstitution(ND);
}
/// Mangles a template name under the production <type>. Required for
/// template template arguments.
/// <type> ::= <class-enum-type>
/// ::= <template-param>
/// ::= <substitution>
void CXXNameMangler::mangleType(TemplateName TN) {
if (mangleSubstitution(TN))
return;
TemplateDecl *TD = 0;
switch (TN.getKind()) {
case TemplateName::QualifiedTemplate:
TD = TN.getAsQualifiedTemplateName()->getTemplateDecl();
goto HaveDecl;
case TemplateName::Template:
TD = TN.getAsTemplateDecl();
goto HaveDecl;
HaveDecl:
if (isa<TemplateTemplateParmDecl>(TD))
mangleTemplateParameter(cast<TemplateTemplateParmDecl>(TD)->getIndex());
else
mangleName(TD);
break;
case TemplateName::OverloadedTemplate:
llvm_unreachable("can't mangle an overloaded template name as a <type>");
break;
case TemplateName::DependentTemplate: {
const DependentTemplateName *Dependent = TN.getAsDependentTemplateName();
assert(Dependent->isIdentifier());
// <class-enum-type> ::= <name>
// <name> ::= <nested-name>
mangleUnresolvedScope(Dependent->getQualifier());
mangleSourceName(Dependent->getIdentifier());
break;
}
}
addSubstitution(TN);
}
void
CXXNameMangler::mangleOperatorName(OverloadedOperatorKind OO, unsigned Arity) {
switch (OO) {
@ -1301,8 +1366,6 @@ void CXXNameMangler::mangleType(const TemplateTypeParmType *T) {
mangleTemplateParameter(T->getIndex());
}
// FIXME: <type> ::= <template-template-param> <template-args>
// <type> ::= P <type> # pointer-to
void CXXNameMangler::mangleType(const PointerType *T) {
Out << 'P';
@ -1467,11 +1530,7 @@ void CXXNameMangler::mangleIntegerLiteral(QualType T,
// Boolean values are encoded as 0/1.
Out << (Value.getBoolValue() ? '1' : '0');
} else {
if (Value.isSigned() && Value.isNegative()) {
Out << 'n';
Value.abs().print(Out, true);
} else
Value.print(Out, Value.isSigned());
mangleNumber(Value);
}
Out << 'E';
@ -1535,10 +1594,44 @@ void CXXNameMangler::mangleExpression(const Expr *E) {
#define STMT(Type, Base) \
case Expr::Type##Class:
#include "clang/AST/StmtNodes.inc"
// fallthrough
// These all can only appear in local or variable-initialization
// contexts and so should never appear in a mangling.
case Expr::AddrLabelExprClass:
case Expr::BlockDeclRefExprClass:
case Expr::CXXThisExprClass:
case Expr::DesignatedInitExprClass:
case Expr::ImplicitValueInitExprClass:
case Expr::InitListExprClass:
case Expr::ParenListExprClass:
case Expr::CXXScalarValueInitExprClass:
llvm_unreachable("unexpected statement kind");
break;
default: {
// FIXME: invent manglings for all these.
case Expr::BlockExprClass:
case Expr::CXXPseudoDestructorExprClass:
case Expr::ChooseExprClass:
case Expr::CompoundLiteralExprClass:
case Expr::ExtVectorElementExprClass:
case Expr::ObjCEncodeExprClass:
case Expr::ObjCImplicitSetterGetterRefExprClass:
case Expr::ObjCIsaExprClass:
case Expr::ObjCIvarRefExprClass:
case Expr::ObjCMessageExprClass:
case Expr::ObjCPropertyRefExprClass:
case Expr::ObjCProtocolExprClass:
case Expr::ObjCSelectorExprClass:
case Expr::ObjCStringLiteralClass:
case Expr::ObjCSuperExprClass:
case Expr::OffsetOfExprClass:
case Expr::PredefinedExprClass:
case Expr::ShuffleVectorExprClass:
case Expr::StmtExprClass:
case Expr::TypesCompatibleExprClass:
case Expr::UnaryTypeTraitExprClass:
case Expr::VAArgExprClass: {
// As bad as this diagnostic is, it's better than crashing.
Diagnostic &Diags = Context.getDiags();
unsigned DiagID = Diags.getCustomDiagID(Diagnostic::Error,
@ -1550,6 +1643,11 @@ void CXXNameMangler::mangleExpression(const Expr *E) {
break;
}
case Expr::CXXDefaultArgExprClass:
mangleExpression(cast<CXXDefaultArgExpr>(E)->getExpr());
break;
case Expr::CXXMemberCallExprClass: // fallthrough
case Expr::CallExprClass: {
const CallExpr *CE = cast<CallExpr>(E);
Out << "cl";
@ -1560,6 +1658,26 @@ void CXXNameMangler::mangleExpression(const Expr *E) {
break;
}
case Expr::CXXNewExprClass: {
// Proposal from David Vandervoorde, 2010.06.30
const CXXNewExpr *New = cast<CXXNewExpr>(E);
if (New->isGlobalNew()) Out << "gs";
Out << (New->isArray() ? "na" : "nw");
for (CXXNewExpr::const_arg_iterator I = New->placement_arg_begin(),
E = New->placement_arg_end(); I != E; ++I)
mangleExpression(*I);
Out << '_';
mangleType(New->getAllocatedType());
if (New->hasInitializer()) {
Out << "pi";
for (CXXNewExpr::const_arg_iterator I = New->constructor_arg_begin(),
E = New->constructor_arg_end(); I != E; ++I)
mangleExpression(*I);
}
Out << 'E';
break;
}
case Expr::MemberExprClass: {
const MemberExpr *ME = cast<MemberExpr>(E);
mangleMemberExpr(ME->getBase(), ME->isArrow(),
@ -1633,6 +1751,43 @@ void CXXNameMangler::mangleExpression(const Expr *E) {
break;
}
case Expr::CXXThrowExprClass: {
const CXXThrowExpr *TE = cast<CXXThrowExpr>(E);
// Proposal from David Vandervoorde, 2010.06.30
if (TE->getSubExpr()) {
Out << "tw";
mangleExpression(TE->getSubExpr());
} else {
Out << "tr";
}
break;
}
case Expr::CXXTypeidExprClass: {
const CXXTypeidExpr *TIE = cast<CXXTypeidExpr>(E);
// Proposal from David Vandervoorde, 2010.06.30
if (TIE->isTypeOperand()) {
Out << "ti";
mangleType(TIE->getTypeOperand());
} else {
Out << "te";
mangleExpression(TIE->getExprOperand());
}
break;
}
case Expr::CXXDeleteExprClass: {
const CXXDeleteExpr *DE = cast<CXXDeleteExpr>(E);
// Proposal from David Vandervoorde, 2010.06.30
if (DE->isGlobalDelete()) Out << "gs";
Out << (DE->isArrayForm() ? "da" : "dl");
mangleExpression(DE->getArgument());
break;
}
case Expr::UnaryOperatorClass: {
const UnaryOperator *UO = cast<UnaryOperator>(E);
mangleOperatorName(UnaryOperator::getOverloadedOperator(UO->getOpcode()),
@ -1641,6 +1796,18 @@ void CXXNameMangler::mangleExpression(const Expr *E) {
break;
}
case Expr::ArraySubscriptExprClass: {
const ArraySubscriptExpr *AE = cast<ArraySubscriptExpr>(E);
// Array subscript is treated as a syntactically wierd form of
// binary operator.
Out << "ix";
mangleExpression(AE->getLHS());
mangleExpression(AE->getRHS());
break;
}
case Expr::CompoundAssignOperatorClass: // fallthrough
case Expr::BinaryOperatorClass: {
const BinaryOperator *BO = cast<BinaryOperator>(E);
mangleOperatorName(BinaryOperator::getOverloadedOperator(BO->getOpcode()),
@ -1757,12 +1924,7 @@ void CXXNameMangler::mangleExpression(const Expr *E) {
const FloatingLiteral *FL = cast<FloatingLiteral>(E);
Out << 'L';
mangleType(FL->getType());
// TODO: avoid this copy with careful stream management.
llvm::SmallString<20> Buffer;
FL->getValue().bitcastToAPInt().toString(Buffer, 16, false);
Out.write(Buffer.data(), Buffer.size());
mangleFloat(FL->getValue());
Out << 'E';
break;
}
@ -1780,17 +1942,63 @@ void CXXNameMangler::mangleExpression(const Expr *E) {
Out << 'E';
break;
case Expr::IntegerLiteralClass:
mangleIntegerLiteral(E->getType(),
llvm::APSInt(cast<IntegerLiteral>(E)->getValue()));
case Expr::IntegerLiteralClass: {
llvm::APSInt Value(cast<IntegerLiteral>(E)->getValue());
if (E->getType()->isSignedIntegerType())
Value.setIsSigned(true);
mangleIntegerLiteral(E->getType(), Value);
break;
}
case Expr::ImaginaryLiteralClass: {
const ImaginaryLiteral *IE = cast<ImaginaryLiteral>(E);
// Mangle as if a complex literal.
// Proposal from David Vandervoorde, 2010.06.30.
Out << 'L';
mangleType(E->getType());
if (const FloatingLiteral *Imag =
dyn_cast<FloatingLiteral>(IE->getSubExpr())) {
// Mangle a floating-point zero of the appropriate type.
mangleFloat(llvm::APFloat(Imag->getValue().getSemantics()));
Out << '_';
mangleFloat(Imag->getValue());
} else {
Out << '0' << '_';
llvm::APSInt Value(cast<IntegerLiteral>(IE->getSubExpr())->getValue());
if (IE->getSubExpr()->getType()->isSignedIntegerType())
Value.setIsSigned(true);
mangleNumber(Value);
}
Out << 'E';
break;
}
case Expr::StringLiteralClass: {
// Proposal from David Vandervoorde, 2010.06.30.
// I've sent a comment off asking whether this needs to also
// represent the length of the string.
Out << 'L';
const ConstantArrayType *T = cast<ConstantArrayType>(E->getType());
QualType CharTy = T->getElementType().getUnqualifiedType();
mangleType(CharTy);
Out << 'E';
break;
}
case Expr::GNUNullExprClass:
// FIXME: should this really be mangled the same as nullptr?
// fallthrough
case Expr::CXXNullPtrLiteralExprClass: {
// Proposal from David Vandervoorde, 2010.06.30, as
// modified by ABI list discussion.
Out << "LDnE";
break;
}
}
}
// FIXME: <type> ::= G <type> # imaginary (C 2000)
// FIXME: <type> ::= U <source-name> <type> # vendor extended type qualifier
void CXXNameMangler::mangleCXXCtorType(CXXCtorType T) {
// <ctor-dtor-name> ::= C1 # complete object constructor
// ::= C2 # base object constructor
@ -1874,9 +2082,8 @@ void CXXNameMangler::mangleTemplateArg(const NamedDecl *P,
mangleType(A.getAsType());
break;
case TemplateArgument::Template:
assert(A.getAsTemplate().getAsTemplateDecl() &&
"Can't get dependent template names here");
mangleName(A.getAsTemplate().getAsTemplateDecl());
// This is mangled as <type>.
mangleType(A.getAsTemplate());
break;
case TemplateArgument::Expression:
Out << 'X';

1
lib/CodeGen/TargetInfo.cpp
View File

@ -2365,7 +2365,6 @@ const TargetCodeGenInfo &CodeGenModule::getTargetCodeGenInfo() const {
case llvm::Triple::DragonFly:
case llvm::Triple::FreeBSD:
case llvm::Triple::OpenBSD:
case llvm::Triple::Minix:
return *(TheTargetCodeGenInfo =
new X86_32TargetCodeGenInfo(Context, false, true));

19
lib/Driver/ArgList.cpp
View File

@ -95,6 +95,25 @@ Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
return Res;
}
Arg *ArgList::getLastArg(OptSpecifier Id0, OptSpecifier Id1,
OptSpecifier Id2, OptSpecifier Id3) const {
Arg *Res = 0;
for (const_reverse_iterator it = rbegin(), ie = rend(); it != ie; ++it) {
if ((*it)->getOption().matches(Id0) ||
(*it)->getOption().matches(Id1) ||
(*it)->getOption().matches(Id2) ||
(*it)->getOption().matches(Id3)) {
Res = *it;
break;
}
}
if (Res)
Res->claim();
return Res;
}
bool ArgList::hasFlag(OptSpecifier Pos, OptSpecifier Neg, bool Default) const {
if (Arg *A = getLastArg(Pos, Neg))
return A->getOption().matches(Pos);

5
lib/Driver/Driver.cpp
View File

@ -75,6 +75,11 @@ Driver::Driver(llvm::StringRef _Name, llvm::StringRef _Dir,
P.appendComponent("clang");
P.appendComponent(CLANG_VERSION_STRING);
ResourceDir = P.str();
// Save the original clang executable path.
P = Dir;
P.appendComponent(Name);
ClangExecutable = P.str();
}
Driver::~Driver() {

7
lib/Driver/ToolChain.cpp
View File

@ -26,14 +26,11 @@ const Driver &ToolChain::getDriver() const {
return Host.getDriver();
}
std::string ToolChain::GetFilePath(const Compilation &C,
const char *Name) const {
std::string ToolChain::GetFilePath(const char *Name) const {
return Host.getDriver().GetFilePath(Name, *this);
}
std::string ToolChain::GetProgramPath(const Compilation &C,
const char *Name,
bool WantFile) const {
std::string ToolChain::GetProgramPath(const char *Name, bool WantFile) const {
return Host.getDriver().GetProgramPath(Name, *this, WantFile);
}

17
lib/Driver/ToolChains.cpp
View File

@ -469,19 +469,10 @@ DerivedArgList *Darwin::TranslateArgs(const DerivedArgList &Args,
iPhoneVersion = DAL->MakeJoinedArg(0, O, iPhoneOSTarget);
DAL->append(iPhoneVersion);
} else {
// Otherwise, choose a default platform based on the tool chain.
//
// FIXME: Don't hardcode default here.
if (getTriple().getArch() == llvm::Triple::arm ||
getTriple().getArch() == llvm::Triple::thumb) {
const Option *O = Opts.getOption(options::OPT_miphoneos_version_min_EQ);
iPhoneVersion = DAL->MakeJoinedArg(0, O, "3.0");
DAL->append(iPhoneVersion);
} else {
const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
OSXVersion = DAL->MakeJoinedArg(0, O, MacosxVersionMin);
DAL->append(OSXVersion);
}
// Otherwise, assume we are targeting OS X.
const Option *O = Opts.getOption(options::OPT_mmacosx_version_min_EQ);
OSXVersion = DAL->MakeJoinedArg(0, O, MacosxVersionMin);
DAL->append(OSXVersion);
}
}

115
lib/Driver/Tools.cpp
View File

@ -1489,8 +1489,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Args.AddAllArgs(CmdArgs, options::OPT_undef);
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "clang"));
std::string Exec = getToolChain().getDriver().getClangProgramPath();
// Optionally embed the -cc1 level arguments into the debug info, for build
// analysis.
@ -1510,7 +1509,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back(Args.MakeArgString(Flags.str()));
}
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
Dest.addCommand(new Command(JA, *this, Exec.c_str(), CmdArgs));
// Explicitly warn that these options are unsupported, even though
// we are allowing compilation to continue.
@ -1589,9 +1588,8 @@ void ClangAs::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back(Input.getFilename());
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "clang"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
std::string Exec = getToolChain().getDriver().getClangProgramPath();
Dest.addCommand(new Command(JA, *this, Exec.c_str(), CmdArgs));
}
void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA,
@ -1691,7 +1689,7 @@ void gcc::Common::ConstructJob(Compilation &C, const JobAction &JA,
const char *GCCName = getToolChain().getDriver().CCCGenericGCCName.c_str();
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, GCCName));
Args.MakeArgString(getToolChain().GetProgramPath(GCCName));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2098,7 +2096,7 @@ void darwin::Preprocess::ConstructJob(Compilation &C, const JobAction &JA,
const char *CC1Name = getCC1Name(Inputs[0].getType());
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name));
Args.MakeArgString(getToolChain().GetProgramPath(CC1Name));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2198,7 +2196,7 @@ void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA,
const char *CC1Name = getCC1Name(Inputs[0].getType());
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, CC1Name));
Args.MakeArgString(getToolChain().GetProgramPath(CC1Name));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2253,7 +2251,7 @@ void darwin::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
// asm_final spec is empty.
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "as"));
Args.MakeArgString(getToolChain().GetProgramPath("as"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2356,8 +2354,15 @@ void darwin::Link::AddLinkArgs(const ArgList &Args,
Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined);
Args.AddAllArgs(CmdArgs, options::OPT_multiply__defined__unused);
if (Args.hasArg(options::OPT_fpie))
CmdArgs.push_back("-pie");
if (const Arg *A = Args.getLastArg(options::OPT_fpie, options::OPT_fPIE,
options::OPT_fno_pie,
options::OPT_fno_PIE)) {
if (A->getOption().matches(options::OPT_fpie) ||
A->getOption().matches(options::OPT_fPIE))
CmdArgs.push_back("-pie");
else
CmdArgs.push_back("-no_pie");
}
Args.AddLastArg(CmdArgs, options::OPT_prebind);
Args.AddLastArg(CmdArgs, options::OPT_noprebind);
@ -2505,7 +2510,7 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA,
Args.hasArg(options::OPT_shared_libgcc) &&
getDarwinToolChain().isMacosxVersionLT(10, 5)) {
const char *Str =
Args.MakeArgString(getToolChain().GetFilePath(C, "crt3.o"));
Args.MakeArgString(getToolChain().GetFilePath("crt3.o"));
CmdArgs.push_back(Str);
}
}
@ -2565,7 +2570,7 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA,
Args.AddAllArgs(CmdArgs, options::OPT_F);
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "ld"));
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2589,7 +2594,7 @@ void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back(II.getFilename());
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "lipo"));
Args.MakeArgString(getToolChain().GetProgramPath("lipo"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2609,7 +2614,7 @@ void darwin::Dsymutil::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back(Output.getFilename());
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "dsymutil"));
Args.MakeArgString(getToolChain().GetProgramPath("dsymutil"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2639,7 +2644,7 @@ void auroraux::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "gas"));
Args.MakeArgString(getToolChain().GetProgramPath("gas"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2685,17 +2690,17 @@ void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA,
!Args.hasArg(options::OPT_nostartfiles)) {
if (!Args.hasArg(options::OPT_shared)) {
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crt1.o")));
getToolChain().GetFilePath("crt1.o")));
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crti.o")));
getToolChain().GetFilePath("crti.o")));
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtbegin.o")));
getToolChain().GetFilePath("crtbegin.o")));
} else {
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crti.o")));
getToolChain().GetFilePath("crti.o")));
}
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtn.o")));
getToolChain().GetFilePath("crtn.o")));
}
CmdArgs.push_back(Args.MakeArgString("-L/opt/gcc4/lib/gcc/"
@ -2741,11 +2746,11 @@ void auroraux::Link::ConstructJob(Compilation &C, const JobAction &JA,
!Args.hasArg(options::OPT_nostartfiles)) {
if (!Args.hasArg(options::OPT_shared))
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtend.o")));
getToolChain().GetFilePath("crtend.o")));
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "ld"));
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2775,7 +2780,7 @@ void openbsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "as"));
Args.MakeArgString(getToolChain().GetProgramPath("as"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2820,12 +2825,12 @@ void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
!Args.hasArg(options::OPT_nostartfiles)) {
if (!Args.hasArg(options::OPT_shared)) {
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crt0.o")));
getToolChain().GetFilePath("crt0.o")));
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtbegin.o")));
getToolChain().GetFilePath("crtbegin.o")));
} else {
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtbeginS.o")));
getToolChain().GetFilePath("crtbeginS.o")));
}
}
@ -2874,14 +2879,14 @@ void openbsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
!Args.hasArg(options::OPT_nostartfiles)) {
if (!Args.hasArg(options::OPT_shared))
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtend.o")));
getToolChain().GetFilePath("crtend.o")));
else
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtendS.o")));
getToolChain().GetFilePath("crtendS.o")));
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "ld"));
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2923,7 +2928,7 @@ void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "as"));
Args.MakeArgString(getToolChain().GetProgramPath("as"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -2968,16 +2973,16 @@ void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
!Args.hasArg(options::OPT_nostartfiles)) {
if (!Args.hasArg(options::OPT_shared)) {
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crt1.o")));
getToolChain().GetFilePath("crt1.o")));
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crti.o")));
getToolChain().GetFilePath("crti.o")));
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtbegin.o")));
getToolChain().GetFilePath("crtbegin.o")));
} else {
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crti.o")));
getToolChain().GetFilePath("crti.o")));
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtbeginS.o")));
getToolChain().GetFilePath("crtbeginS.o")));
}
}
@ -3037,17 +3042,17 @@ void freebsd::Link::ConstructJob(Compilation &C, const JobAction &JA,
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nostartfiles)) {
if (!Args.hasArg(options::OPT_shared))
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C,
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
"crtend.o")));
else
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C,
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
"crtendS.o")));
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C,
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
"crtn.o")));
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "ld"));
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -3077,7 +3082,7 @@ void minix::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "gas"));
Args.MakeArgString(getToolChain().GetProgramPath("gas"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -3101,7 +3106,7 @@ void minix::Link::ConstructJob(Compilation &C, const JobAction &JA,
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nostartfiles))
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C,
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
"/usr/gnu/lib/crtso.o")));
Args.AddAllArgs(CmdArgs, options::OPT_L);
@ -3145,12 +3150,12 @@ void minix::Link::ConstructJob(Compilation &C, const JobAction &JA,
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nostartfiles)) {
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(C,
CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath(
"/usr/gnu/lib/libend.a")));
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "/usr/gnu/bin/gld"));
Args.MakeArgString(getToolChain().GetProgramPath("/usr/gnu/bin/gld"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -3189,7 +3194,7 @@ void dragonfly::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "as"));
Args.MakeArgString(getToolChain().GetProgramPath("as"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}
@ -3233,16 +3238,16 @@ void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA,
!Args.hasArg(options::OPT_nostartfiles)) {
if (!Args.hasArg(options::OPT_shared)) {
CmdArgs.push_back(
Args.MakeArgString(getToolChain().GetFilePath(C, "crt1.o")));
Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
CmdArgs.push_back(
Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o")));
Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
CmdArgs.push_back(
Args.MakeArgString(getToolChain().GetFilePath(C, "crtbegin.o")));
Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
} else {
CmdArgs.push_back(
Args.MakeArgString(getToolChain().GetFilePath(C, "crti.o")));
Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
CmdArgs.push_back(
Args.MakeArgString(getToolChain().GetFilePath(C, "crtbeginS.o")));
Args.MakeArgString(getToolChain().GetFilePath("crtbeginS.o")));
}
}
@ -3313,15 +3318,15 @@ void dragonfly::Link::ConstructJob(Compilation &C, const JobAction &JA,
!Args.hasArg(options::OPT_nostartfiles)) {
if (!Args.hasArg(options::OPT_shared))
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtend.o")));
getToolChain().GetFilePath("crtend.o")));
else
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtendS.o")));
getToolChain().GetFilePath("crtendS.o")));
CmdArgs.push_back(Args.MakeArgString(
getToolChain().GetFilePath(C, "crtn.o")));
getToolChain().GetFilePath("crtn.o")));
}
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(C, "ld"));
Args.MakeArgString(getToolChain().GetProgramPath("ld"));
Dest.addCommand(new Command(JA, *this, Exec, CmdArgs));
}

8
lib/Frontend/ASTUnit.cpp
View File

@ -74,11 +74,13 @@ class PCHInfoCollector : public PCHReaderListener {
return false;
}
virtual bool ReadPredefinesBuffer(llvm::StringRef PCHPredef,
FileID PCHBufferID,
virtual bool ReadPredefinesBuffer(const PCHPredefinesBlocks &Buffers,
llvm::StringRef OriginalFileName,
std::string &SuggestedPredefines) {
Predefines = PCHPredef;
Predefines = Buffers[0].Data;
for (unsigned I = 1, N = Buffers.size(); I != N; ++I) {
Predefines += Buffers[I].Data;
}
return false;
}

2
lib/Frontend/FrontendActions.cpp
View File

@ -80,7 +80,7 @@ ASTConsumer *GeneratePCHAction::CreateASTConsumer(CompilerInstance &CI,
if (!OS)
return 0;
const PCHReader *Chain = CI.getInvocation().getFrontendOpts().ChainedPCH ?
PCHReader *Chain = CI.getInvocation().getFrontendOpts().ChainedPCH ?
CI.getPCHReader() : 0;
const char *isysroot = CI.getFrontendOpts().RelocatablePCH ?
Sysroot.c_str() : 0;

28
lib/Frontend/GeneratePCH.cpp
View File

@ -28,28 +28,28 @@ using namespace clang;
namespace {
class PCHGenerator : public SemaConsumer {
const Preprocessor &PP;
const PCHReader *Chain;
const char *isysroot;
llvm::raw_ostream *Out;
Sema *SemaPtr;
MemorizeStatCalls *StatCalls; // owned by the FileManager
std::vector<unsigned char> Buffer;
llvm::BitstreamWriter Stream;
PCHWriter Writer;
public:
explicit PCHGenerator(const Preprocessor &PP,
const PCHReader *Chain,
const char *isysroot,
llvm::raw_ostream *Out);
PCHGenerator(const Preprocessor &PP, PCHReader *Chain,
const char *isysroot, llvm::raw_ostream *Out);
virtual void InitializeSema(Sema &S) { SemaPtr = &S; }
virtual void HandleTranslationUnit(ASTContext &Ctx);
};
}
PCHGenerator::PCHGenerator(const Preprocessor &PP,
const PCHReader *Chain,
PCHReader *Chain,
const char *isysroot,
llvm::raw_ostream *OS)
: PP(PP), Chain(Chain), isysroot(isysroot), Out(OS), SemaPtr(0),
StatCalls(0) {
: PP(PP), isysroot(isysroot), Out(OS), SemaPtr(0), StatCalls(0),
Stream(Buffer), Writer(Stream, Chain) {
// Install a stat() listener to keep track of all of the stat()
// calls.
@ -61,25 +61,23 @@ void PCHGenerator::HandleTranslationUnit(ASTContext &Ctx) {
if (PP.getDiagnostics().hasErrorOccurred())
return;
// Write the PCH contents into a buffer
std::vector<unsigned char> Buffer;
llvm::BitstreamWriter Stream(Buffer);
PCHWriter Writer(Stream);
// Emit the PCH file
assert(SemaPtr && "No Sema?");
Writer.WritePCH(*SemaPtr, StatCalls, Chain, isysroot);
Writer.WritePCH(*SemaPtr, StatCalls, isysroot);
// Write the generated bitstream to "Out".
Out->write((char *)&Buffer.front(), Buffer.size());
// Make sure it hits disk now.
Out->flush();
// Free up some memory, in case the process is kept alive.
Buffer.clear();
}
ASTConsumer *clang::CreatePCHGenerator(const Preprocessor &PP,
llvm::raw_ostream *OS,
const PCHReader *Chain,
PCHReader *Chain,
const char *isysroot) {
return new PCHGenerator(PP, Chain, isysroot, OS);
}

180
lib/Frontend/PCHReader.cpp
View File

@ -13,6 +13,7 @@
#include "clang/Frontend/PCHReader.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/PCHDeserializationListener.h"
#include "clang/Frontend/Utils.h"
#include "../Sema/Sema.h" // FIXME: move Sema headers elsewhere
#include "clang/AST/ASTConsumer.h"
@ -140,8 +141,86 @@ bool PCHValidator::ReadTargetTriple(llvm::StringRef Triple) {
return true;
}
bool PCHValidator::ReadPredefinesBuffer(llvm::StringRef PCHPredef,
FileID PCHBufferID,
struct EmptyStringRef {
bool operator ()(llvm::StringRef r) const { return r.empty(); }
};
struct EmptyBlock {
bool operator ()(const PCHPredefinesBlock &r) const { return r.Data.empty(); }
};
static bool EqualConcatenations(llvm::SmallVector<llvm::StringRef, 2> L,
PCHPredefinesBlocks R) {
// First, sum up the lengths.
unsigned LL = 0, RL = 0;
for (unsigned I = 0, N = L.size(); I != N; ++I) {
LL += L[I].size();
}
for (unsigned I = 0, N = R.size(); I != N; ++I) {
RL += R[I].Data.size();
}
if (LL != RL)
return false;
if (LL == 0 && RL == 0)
return true;
// Kick out empty parts, they confuse the algorithm below.
L.erase(std::remove_if(L.begin(), L.end(), EmptyStringRef()), L.end());
R.erase(std::remove_if(R.begin(), R.end(), EmptyBlock()), R.end());
// Do it the hard way. At this point, both vectors must be non-empty.
llvm::StringRef LR = L[0], RR = R[0].Data;
unsigned LI = 0, RI = 0, LN = L.size(), RN = R.size();
for (;;) {
// Compare the current pieces.
if (LR.size() == RR.size()) {
// If they're the same length, it's pretty easy.
if (LR != RR)
return false;
// Both pieces are done, advance.
++LI;
++RI;
// If either string is done, they're both done, since they're the same
// length.
if (LI == LN) {
assert(RI == RN && "Strings not the same length after all?");
return true;
}
LR = L[LI];
RR = R[RI].Data;
} else if (LR.size() < RR.size()) {
// Right piece is longer.
if (!RR.startswith(LR))
return false;
++LI;
assert(LI != LN && "Strings not the same length after all?");
RR = RR.substr(LR.size());
LR = L[LI];
} else {
// Left piece is longer.
if (!LR.startswith(RR))
return false;
++RI;
assert(RI != RN && "Strings not the same length after all?");
LR = LR.substr(RR.size());
RR = R[RI].Data;
}
}
}
static std::pair<FileID, llvm::StringRef::size_type>
FindMacro(const PCHPredefinesBlocks &Buffers, llvm::StringRef MacroDef) {
std::pair<FileID, llvm::StringRef::size_type> Res;
for (unsigned I = 0, N = Buffers.size(); I != N; ++I) {
Res.second = Buffers[I].Data.find(MacroDef);
if (Res.second != llvm::StringRef::npos) {
Res.first = Buffers[I].BufferID;
break;
}
}
return Res;
}
bool PCHValidator::ReadPredefinesBuffer(const PCHPredefinesBlocks &Buffers,
llvm::StringRef OriginalFileName,
std::string &SuggestedPredefines) {
// We are in the context of an implicit include, so the predefines buffer will
@ -160,9 +239,15 @@ bool PCHValidator::ReadPredefinesBuffer(llvm::StringRef PCHPredef,
return true;
}
// If the predefines is equal to the joined left and right halves, we're done!
if (Left.size() + Right.size() == PCHPredef.size() &&
PCHPredef.startswith(Left) && PCHPredef.endswith(Right))
// If the concatenation of all the PCH buffers is equal to the adjusted
// command line, we're done.
// We build a SmallVector of the command line here, because we'll eventually
// need to support an arbitrary amount of pieces anyway (when we have chained
// PCH reading).
llvm::SmallVector<llvm::StringRef, 2> CommandLine;
CommandLine.push_back(Left);
CommandLine.push_back(Right);
if (EqualConcatenations(CommandLine, Buffers))
return false;
SourceManager &SourceMgr = PP.getSourceManager();
@ -170,7 +255,8 @@ bool PCHValidator::ReadPredefinesBuffer(llvm::StringRef PCHPredef,
// The predefines buffers are different. Determine what the differences are,
// and whether they require us to reject the PCH file.
llvm::SmallVector<llvm::StringRef, 8> PCHLines;
PCHPredef.split(PCHLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false);
for (unsigned I = 0, N = Buffers.size(); I != N; ++I)
Buffers[I].Data.split(PCHLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false);
llvm::SmallVector<llvm::StringRef, 8> CmdLineLines;
Left.split(CmdLineLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false);
@ -235,10 +321,12 @@ bool PCHValidator::ReadPredefinesBuffer(llvm::StringRef PCHPredef,
<< MacroName;
// Show the definition of this macro within the PCH file.
llvm::StringRef::size_type Offset = PCHPredef.find(Missing);
assert(Offset != llvm::StringRef::npos && "Unable to find macro!");
SourceLocation PCHMissingLoc = SourceMgr.getLocForStartOfFile(PCHBufferID)
.getFileLocWithOffset(Offset);
std::pair<FileID, llvm::StringRef::size_type> MacroLoc =
FindMacro(Buffers, Missing);
assert(MacroLoc.second!=llvm::StringRef::npos && "Unable to find macro!");
SourceLocation PCHMissingLoc =
SourceMgr.getLocForStartOfFile(MacroLoc.first)
.getFileLocWithOffset(MacroLoc.second);
Reader.Diag(PCHMissingLoc, diag::note_pch_macro_defined_as) << MacroName;
ConflictingDefines = true;
@ -256,10 +344,12 @@ bool PCHValidator::ReadPredefinesBuffer(llvm::StringRef PCHPredef,
}
// Show the definition of this macro within the PCH file.
llvm::StringRef::size_type Offset = PCHPredef.find(Missing);
assert(Offset != llvm::StringRef::npos && "Unable to find macro!");
SourceLocation PCHMissingLoc = SourceMgr.getLocForStartOfFile(PCHBufferID)
.getFileLocWithOffset(Offset);
std::pair<FileID, llvm::StringRef::size_type> MacroLoc =
FindMacro(Buffers, Missing);
assert(MacroLoc.second!=llvm::StringRef::npos && "Unable to find macro!");
SourceLocation PCHMissingLoc =
SourceMgr.getLocForStartOfFile(MacroLoc.first)
.getFileLocWithOffset(MacroLoc.second);
Reader.Diag(PCHMissingLoc, diag::note_using_macro_def_from_pch);
}
@ -324,10 +414,10 @@ void PCHValidator::ReadCounter(unsigned Value) {
PCHReader::PCHReader(Preprocessor &PP, ASTContext *Context,
const char *isysroot)
: Listener(new PCHValidator(PP, *this)), SourceMgr(PP.getSourceManager()),
FileMgr(PP.getFileManager()), Diags(PP.getDiagnostics()),
SemaObj(0), PP(&PP), Context(Context), StatCache(0), Consumer(0),
IdentifierTableData(0), IdentifierLookupTable(0),
: Listener(new PCHValidator(PP, *this)), DeserializationListener(0),
SourceMgr(PP.getSourceManager()), FileMgr(PP.getFileManager()),
Diags(PP.getDiagnostics()), SemaObj(0), PP(&PP), Context(Context),
StatCache(0), Consumer(0), IdentifierTableData(0), IdentifierLookupTable(0),
IdentifierOffsets(0),
MethodPoolLookupTable(0), MethodPoolLookupTableData(0),
TotalSelectorsInMethodPool(0), SelectorOffsets(0),
@ -343,8 +433,8 @@ PCHReader::PCHReader(Preprocessor &PP, ASTContext *Context,
PCHReader::PCHReader(SourceManager &SourceMgr, FileManager &FileMgr,
Diagnostic &Diags, const char *isysroot)
: SourceMgr(SourceMgr), FileMgr(FileMgr), Diags(Diags),
SemaObj(0), PP(0), Context(0), StatCache(0), Consumer(0),
: DeserializationListener(0), SourceMgr(SourceMgr), FileMgr(FileMgr),
Diags(Diags), SemaObj(0), PP(0), Context(0), StatCache(0), Consumer(0),
IdentifierTableData(0), IdentifierLookupTable(0),
IdentifierOffsets(0),
MethodPoolLookupTable(0), MethodPoolLookupTableData(0),
@ -609,27 +699,18 @@ void PCHReader::Error(const char *Msg) {
Diag(diag::err_fe_pch_malformed) << Msg;
}
/// \brief Check the contents of the predefines buffer against the
/// contents of the predefines buffer used to build the PCH file.
/// \brief Check the contents of the concatenation of all predefines buffers in
/// the PCH chain against the contents of the predefines buffer of the current
/// compiler invocation.
///
/// The contents of the two predefines buffers should be the same. If
/// not, then some command-line option changed the preprocessor state
/// and we must reject the PCH file.
///
/// \param PCHPredef The start of the predefines buffer in the PCH
/// file.
///
/// \param PCHPredefLen The length of the predefines buffer in the PCH
/// file.
///
/// \param PCHBufferID The FileID for the PCH predefines buffer.
/// The contents should be the same. If not, then some command-line option
/// changed the preprocessor state and we must probably reject the PCH file.
///
/// \returns true if there was a mismatch (in which case the PCH file
/// should be ignored), or false otherwise.
bool PCHReader::CheckPredefinesBuffer(llvm::StringRef PCHPredef,
FileID PCHBufferID) {
bool PCHReader::CheckPredefinesBuffers() {
if (Listener)
return Listener->ReadPredefinesBuffer(PCHPredef, PCHBufferID,
return Listener->ReadPredefinesBuffer(PCHPredefinesBuffers,
ActualOriginalFileName,
SuggestedPredefines);
return false;
@ -958,9 +1039,11 @@ PCHReader::PCHReadResult PCHReader::ReadSLocEntryRecord(unsigned ID) {
FileID BufferID = SourceMgr.createFileIDForMemBuffer(Buffer, ID, Offset);
if (strcmp(Name, "<built-in>") == 0) {
PCHPredefinesBufferID = BufferID;
PCHPredefines = BlobStart;
PCHPredefinesLen = BlobLen - 1;
PCHPredefinesBlock Block = {
BufferID,
llvm::StringRef(BlobStart, BlobLen - 1)
};
PCHPredefinesBuffers.push_back(Block);
}
break;
@ -1636,8 +1719,7 @@ PCHReader::PCHReadResult PCHReader::ReadPCH(const std::string &FileName) {
}
// Check the predefines buffer.
if (CheckPredefinesBuffer(llvm::StringRef(PCHPredefines, PCHPredefinesLen),
PCHPredefinesBufferID))
if (CheckPredefinesBuffers())
return IgnorePCH;
if (PP) {
@ -2545,8 +2627,12 @@ QualType PCHReader::GetType(pch::TypeID ID) {
Index -= pch::NUM_PREDEF_TYPE_IDS;
//assert(Index < TypesLoaded.size() && "Type index out-of-range");
if (TypesLoaded[Index].isNull())
if (TypesLoaded[Index].isNull()) {
TypesLoaded[Index] = ReadTypeRecord(TypeOffsets[Index]);
TypesLoaded[Index]->setFromPCH();
if (DeserializationListener)
DeserializationListener->TypeRead(ID, TypesLoaded[Index]);
}
return TypesLoaded[Index].withFastQualifiers(FastQuals);
}
@ -2592,8 +2678,11 @@ Decl *PCHReader::GetExternalDecl(uint32_t ID) {
}
TranslationUnitDecl *PCHReader::GetTranslationUnitDecl() {
if (!DeclsLoaded[0])
if (!DeclsLoaded[0]) {
ReadDeclRecord(DeclOffsets[0], 0);
if (DeserializationListener)
DeserializationListener->DeclRead(0, DeclsLoaded[0]);
}
return cast<TranslationUnitDecl>(DeclsLoaded[0]);
}
@ -2608,8 +2697,11 @@ Decl *PCHReader::GetDecl(pch::DeclID ID) {
}
unsigned Index = ID - 1;
if (!DeclsLoaded[Index])
if (!DeclsLoaded[Index]) {
ReadDeclRecord(DeclOffsets[Index], Index);
if (DeserializationListener)
DeserializationListener->DeclRead(ID, DeclsLoaded[Index]);
}
return DeclsLoaded[Index];
}

29
lib/Frontend/PCHWriter.cpp
View File

@ -743,8 +743,7 @@ adjustFilenameForRelocatablePCH(const char *Filename, const char *isysroot) {
}
/// \brief Write the PCH metadata (e.g., i686-apple-darwin9).
void PCHWriter::WriteMetadata(ASTContext &Context, const PCHReader *Chain,
const char *isysroot) {
void PCHWriter::WriteMetadata(ASTContext &Context, const char *isysroot) {
using namespace llvm;
// Metadata
@ -2074,13 +2073,16 @@ void PCHWriter::SetSelectorOffset(Selector Sel, uint32_t Offset) {
SelectorOffsets[ID - 1] = Offset;
}
PCHWriter::PCHWriter(llvm::BitstreamWriter &Stream)
: Stream(Stream), NextTypeID(pch::NUM_PREDEF_TYPE_IDS),
PCHWriter::PCHWriter(llvm::BitstreamWriter &Stream, PCHReader *Chain)
: Stream(Stream), Chain(Chain), NextTypeID(pch::NUM_PREDEF_TYPE_IDS),
CollectedStmts(&StmtsToEmit), NumStatements(0), NumMacros(0),
NumLexicalDeclContexts(0), NumVisibleDeclContexts(0) { }
NumLexicalDeclContexts(0), NumVisibleDeclContexts(0) {
if (Chain)
Chain->setDeserializationListener(this);
}
void PCHWriter::WritePCH(Sema &SemaRef, MemorizeStatCalls *StatCalls,
const PCHReader *Chain, const char *isysroot) {
const char *isysroot) {
// Emit the file header.
Stream.Emit((unsigned)'C', 8);
Stream.Emit((unsigned)'P', 8);
@ -2090,7 +2092,7 @@ void PCHWriter::WritePCH(Sema &SemaRef, MemorizeStatCalls *StatCalls,
WriteBlockInfoBlock();
if (Chain)
WritePCHChain(SemaRef, StatCalls, Chain, isysroot);
WritePCHChain(SemaRef, StatCalls, isysroot);
else
WritePCHCore(SemaRef, StatCalls, isysroot);
}
@ -2164,7 +2166,7 @@ void PCHWriter::WritePCHCore(Sema &SemaRef, MemorizeStatCalls *StatCalls,
// Write the remaining PCH contents.
RecordData Record;
Stream.EnterSubblock(pch::PCH_BLOCK_ID, 5);
WriteMetadata(Context, 0, isysroot);
WriteMetadata(Context, isysroot);
WriteLanguageOptions(Context.getLangOptions());
if (StatCalls && !isysroot)
WriteStatCache(*StatCalls);
@ -2275,7 +2277,7 @@ void PCHWriter::WritePCHCore(Sema &SemaRef, MemorizeStatCalls *StatCalls,
}
void PCHWriter::WritePCHChain(Sema &SemaRef, MemorizeStatCalls *StatCalls,
const PCHReader *Chain, const char *isysroot) {
const char *isysroot) {
using namespace llvm;
ASTContext &Context = SemaRef.Context;
@ -2284,7 +2286,7 @@ void PCHWriter::WritePCHChain(Sema &SemaRef, MemorizeStatCalls *StatCalls,
RecordData Record;
Stream.EnterSubblock(pch::PCH_BLOCK_ID, 5);
WriteMetadata(Context, Chain, isysroot);
WriteMetadata(Context, isysroot);
// FIXME: StatCache
// FIXME: Source manager block
@ -2737,3 +2739,10 @@ void PCHWriter::AddCXXBaseSpecifier(const CXXBaseSpecifier &Base,
AddTypeRef(Base.getType(), Record);
AddSourceRange(Base.getSourceRange(), Record);
}
void PCHWriter::TypeRead(pch::TypeID ID, QualType T) {
}
void PCHWriter::DeclRead(pch::DeclID ID, const Decl *D) {
}

8
lib/Rewrite/Rewriter.cpp
View File

@ -40,7 +40,7 @@ void RewriteBuffer::RemoveText(unsigned OrigOffset, unsigned Size) {
AddReplaceDelta(OrigOffset, -Size);
}
void RewriteBuffer::InsertText(unsigned OrigOffset, const llvm::StringRef &Str,
void RewriteBuffer::InsertText(unsigned OrigOffset, llvm::StringRef Str,
bool InsertAfter) {
// Nothing to insert, exit early.
@ -57,7 +57,7 @@ void RewriteBuffer::InsertText(unsigned OrigOffset, const llvm::StringRef &Str,
/// buffer with a new string. This is effectively a combined "remove+insert"
/// operation.
void RewriteBuffer::ReplaceText(unsigned OrigOffset, unsigned OrigLength,
const llvm::StringRef &NewStr) {
llvm::StringRef NewStr) {
unsigned RealOffset = getMappedOffset(OrigOffset, true);
Buffer.erase(RealOffset, OrigLength);
Buffer.insert(RealOffset, NewStr.begin(), NewStr.end());
@ -185,7 +185,7 @@ RewriteBuffer &Rewriter::getEditBuffer(FileID FID) {
/// InsertText - Insert the specified string at the specified location in the
/// original buffer.
bool Rewriter::InsertText(SourceLocation Loc, const llvm::StringRef &Str,
bool Rewriter::InsertText(SourceLocation Loc, llvm::StringRef Str,
bool InsertAfter) {
if (!isRewritable(Loc)) return true;
FileID FID;
@ -207,7 +207,7 @@ bool Rewriter::RemoveText(SourceLocation Start, unsigned Length) {
/// buffer with a new string. This is effectively a combined "remove/insert"
/// operation.
bool Rewriter::ReplaceText(SourceLocation Start, unsigned OrigLength,
const llvm::StringRef &NewStr) {
llvm::StringRef NewStr) {
if (!isRewritable(Start)) return true;
FileID StartFileID;
unsigned StartOffs = getLocationOffsetAndFileID(Start, StartFileID);

21
lib/Sema/Sema.h
View File

@ -118,7 +118,8 @@ struct FunctionScopeInfo {
/// \brief Set true when a function, method contains a VLA or ObjC try block,
/// which introduce scopes that need to be checked for goto conditions. If a
/// function does not contain this, then it need not have the jump checker run on it.
/// function does not contain this, then it need not have the jump checker run
/// on it.
bool NeedsScopeChecking;
/// \brief The number of errors that had occurred before starting this
@ -1540,7 +1541,7 @@ class Sema : public Action {
// Decl attributes - this routine is the top level dispatcher.
void ProcessDeclAttributes(Scope *S, Decl *D, const Declarator &PD);
void ProcessDeclAttributeList(Scope *S, Decl *D, const AttributeList *AttrList);
void ProcessDeclAttributeList(Scope *S, Decl *D, const AttributeList *AL);
void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method,
bool &IncompleteImpl, unsigned DiagID);
@ -2955,7 +2956,8 @@ class Sema : public Action {
TemplateParameterList **ParamLists,
unsigned NumParamLists,
bool IsFriend,
bool &IsExplicitSpecialization);
bool &IsExplicitSpecialization,
bool &Invalid);
DeclResult CheckClassTemplate(Scope *S, unsigned TagSpec, TagUseKind TUK,
SourceLocation KWLoc, CXXScopeSpec &SS,
@ -3021,7 +3023,7 @@ class Sema : public Action {
Declarator &D);
virtual DeclPtrTy ActOnStartOfFunctionTemplateDef(Scope *FnBodyScope,
MultiTemplateParamsArg TemplateParameterLists,
MultiTemplateParamsArg TemplateParameterLists,
Declarator &D);
bool
@ -3029,7 +3031,7 @@ class Sema : public Action {
TemplateSpecializationKind NewTSK,
NamedDecl *PrevDecl,
TemplateSpecializationKind PrevTSK,
SourceLocation PrevPointOfInstantiation,
SourceLocation PrevPtOfInstantiation,
bool &SuppressNew);
bool CheckDependentFunctionTemplateSpecialization(FunctionDecl *FD,
@ -3969,7 +3971,7 @@ class Sema : public Action {
SourceLocation *IdentLocs,
unsigned NumElts);
virtual DeclPtrTy ActOnForwardProtocolDeclaration(SourceLocation AtProtocolLoc,
virtual DeclPtrTy ActOnForwardProtocolDeclaration(SourceLocation AtProtoclLoc,
const IdentifierLocPair *IdentList,
unsigned NumElts,
AttributeList *attrList);
@ -4326,7 +4328,7 @@ class Sema : public Action {
bool IgnoreBaseAccess = false);
bool PerformImplicitConversion(Expr *&From, QualType ToType,
const StandardConversionSequence& SCS,
AssignmentAction Action, bool IgnoreBaseAccess);
AssignmentAction Action,bool IgnoreBaseAccess);
/// the following "Check" methods will return a valid/converted QualType
/// or a null QualType (indicating an error diagnostic was issued).
@ -4347,11 +4349,12 @@ class Sema : public Action {
QualType CheckShiftOperands( // C99 6.5.7
Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false);
QualType CheckCompareOperands( // C99 6.5.8/9
Expr *&lex, Expr *&rex, SourceLocation OpLoc, unsigned Opc, bool isRelational);
Expr *&lex, Expr *&rex, SourceLocation OpLoc, unsigned Opc,
bool isRelational);
QualType CheckBitwiseOperands( // C99 6.5.[10...12]
Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false);
QualType CheckLogicalOperands( // C99 6.5.[13,14]
Expr *&lex, Expr *&rex, SourceLocation OpLoc);
Expr *&lex, Expr *&rex, SourceLocation OpLoc, unsigned Opc);
// CheckAssignmentOperands is used for both simple and compound assignment.
// For simple assignment, pass both expressions and a null converted type.
// For compound assignment, pass both expressions and the converted type.

18
lib/Sema/SemaCXXCast.cpp
View File

@ -153,7 +153,8 @@ Sema::BuildCXXNamedCast(SourceLocation OpLoc, tok::TokenKind Kind,
case tok::kw_const_cast:
if (!TypeDependent)
CheckConstCast(*this, Ex, DestType, OpRange, DestRange);
return Owned(new (Context) CXXConstCastExpr(DestType.getNonReferenceType(),
return Owned(new (Context) CXXConstCastExpr(
DestType.getNonLValueExprType(Context),
Ex, DestTInfo, OpLoc));
case tok::kw_dynamic_cast: {
@ -161,7 +162,8 @@ Sema::BuildCXXNamedCast(SourceLocation OpLoc, tok::TokenKind Kind,
CXXBaseSpecifierArray BasePath;
if (!TypeDependent)
CheckDynamicCast(*this, Ex, DestType, OpRange, DestRange, Kind, BasePath);
return Owned(new (Context)CXXDynamicCastExpr(DestType.getNonReferenceType(),
return Owned(new (Context)CXXDynamicCastExpr(
DestType.getNonLValueExprType(Context),
Kind, Ex, BasePath, DestTInfo,
OpLoc));
}
@ -170,7 +172,7 @@ Sema::BuildCXXNamedCast(SourceLocation OpLoc, tok::TokenKind Kind,
if (!TypeDependent)
CheckReinterpretCast(*this, Ex, DestType, OpRange, DestRange, Kind);
return Owned(new (Context) CXXReinterpretCastExpr(
DestType.getNonReferenceType(),
DestType.getNonLValueExprType(Context),
Kind, Ex, CXXBaseSpecifierArray(),
DestTInfo, OpLoc));
}
@ -180,7 +182,8 @@ Sema::BuildCXXNamedCast(SourceLocation OpLoc, tok::TokenKind Kind,
if (!TypeDependent)
CheckStaticCast(*this, Ex, DestType, OpRange, Kind, BasePath);
return Owned(new (Context) CXXStaticCastExpr(DestType.getNonReferenceType(),
return Owned(new (Context) CXXStaticCastExpr(
DestType.getNonLValueExprType(Context),
Kind, Ex, BasePath,
DestTInfo, OpLoc));
}
@ -1049,6 +1052,8 @@ static TryCastResult TryReinterpretCast(Sema &Self, Expr *SrcExpr,
const SourceRange &OpRange,
unsigned &msg,
CastExpr::CastKind &Kind) {
bool IsLValueCast = false;
DestType = Self.Context.getCanonicalType(DestType);
QualType SrcType = SrcExpr->getType();
if (const ReferenceType *DestTypeTmp = DestType->getAs<ReferenceType>()) {
@ -1066,6 +1071,7 @@ static TryCastResult TryReinterpretCast(Sema &Self, Expr *SrcExpr,
// This code does this transformation for the checked types.
DestType = Self.Context.getPointerType(DestTypeTmp->getPointeeType());
SrcType = Self.Context.getPointerType(SrcType);
IsLValueCast = true;
}
// Canonicalize source for comparison.
@ -1092,7 +1098,7 @@ static TryCastResult TryReinterpretCast(Sema &Self, Expr *SrcExpr,
}
// A valid member pointer cast.
Kind = CastExpr::CK_BitCast;
Kind = IsLValueCast? CastExpr::CK_LValueBitCast : CastExpr::CK_BitCast;
return TC_Success;
}
@ -1209,7 +1215,7 @@ static TryCastResult TryReinterpretCast(Sema &Self, Expr *SrcExpr,
// Not casting away constness, so the only remaining check is for compatible
// pointer categories.
Kind = CastExpr::CK_BitCast;
Kind = IsLValueCast? CastExpr::CK_LValueBitCast : CastExpr::CK_BitCast;
if (SrcType->isFunctionPointerType()) {
if (DestType->isFunctionPointerType()) {

7
lib/Sema/SemaCodeComplete.cpp
View File

@ -407,13 +407,16 @@ bool ResultBuilder::isInterestingDecl(NamedDecl *ND,
return false;
// Filter out names reserved for the implementation (C99 7.1.3,
// C++ [lib.global.names]). Users don't need to see those.
// C++ [lib.global.names]) if they come from a system header.
//
// FIXME: Add predicate for this.
if (Id->getLength() >= 2) {
const char *Name = Id->getNameStart();
if (Name[0] == '_' &&
(Name[1] == '_' || (Name[1] >= 'A' && Name[1] <= 'Z')))
(Name[1] == '_' || (Name[1] >= 'A' && Name[1] <= 'Z')) &&
(ND->getLocation().isInvalid() ||
SemaRef.SourceMgr.isInSystemHeader(
SemaRef.SourceMgr.getSpellingLoc(ND->getLocation()))))
return false;
}
}

24
lib/Sema/SemaDecl.cpp
View File

@ -2572,6 +2572,7 @@ Sema::ActOnVariableDeclarator(Scope* S, Declarator& D, DeclContext* DC,
// determine whether we have a template or a template specialization.
bool isExplicitSpecialization = false;
unsigned NumMatchedTemplateParamLists = TemplateParamLists.size();
bool Invalid = false;
if (TemplateParameterList *TemplateParams
= MatchTemplateParametersToScopeSpecifier(
D.getDeclSpec().getSourceRange().getBegin(),
@ -2579,7 +2580,8 @@ Sema::ActOnVariableDeclarator(Scope* S, Declarator& D, DeclContext* DC,
(TemplateParameterList**)TemplateParamLists.get(),
TemplateParamLists.size(),
/*never a friend*/ false,
isExplicitSpecialization)) {
isExplicitSpecialization,
Invalid)) {
// All but one template parameter lists have been matching.
--NumMatchedTemplateParamLists;
@ -2606,7 +2608,7 @@ Sema::ActOnVariableDeclarator(Scope* S, Declarator& D, DeclContext* DC,
VarDecl *NewVD = VarDecl::Create(Context, DC, D.getIdentifierLoc(),
II, R, TInfo, SC, SCAsWritten);
if (D.isInvalidType())
if (D.isInvalidType() || Invalid)
NewVD->setInvalidDecl();
SetNestedNameSpecifier(NewVD, D);
@ -3156,6 +3158,7 @@ Sema::ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC,
bool isExplicitSpecialization = false;
bool isFunctionTemplateSpecialization = false;
unsigned NumMatchedTemplateParamLists = TemplateParamLists.size();
bool Invalid = false;
if (TemplateParameterList *TemplateParams
= MatchTemplateParametersToScopeSpecifier(
D.getDeclSpec().getSourceRange().getBegin(),
@ -3163,7 +3166,8 @@ Sema::ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC,
(TemplateParameterList**)TemplateParamLists.get(),
TemplateParamLists.size(),
isFriend,
isExplicitSpecialization)) {
isExplicitSpecialization,
Invalid)) {
// All but one template parameter lists have been matching.
--NumMatchedTemplateParamLists;
@ -3214,6 +3218,12 @@ Sema::ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC,
(TemplateParameterList**)TemplateParamLists.release());
}
if (Invalid) {
NewFD->setInvalidDecl();
if (FunctionTemplate)
FunctionTemplate->setInvalidDecl();
}
// C++ [dcl.fct.spec]p5:
// The virtual specifier shall only be used in declarations of
// nonstatic class member functions that appear within a
@ -5037,19 +5047,24 @@ Sema::DeclPtrTy Sema::ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK,
// FIXME: Check explicit specializations more carefully.
bool isExplicitSpecialization = false;
unsigned NumMatchedTemplateParamLists = TemplateParameterLists.size();
bool Invalid = false;
if (TUK != TUK_Reference) {
if (TemplateParameterList *TemplateParams
= MatchTemplateParametersToScopeSpecifier(KWLoc, SS,
(TemplateParameterList**)TemplateParameterLists.get(),
TemplateParameterLists.size(),
TUK == TUK_Friend,
isExplicitSpecialization)) {
isExplicitSpecialization,
Invalid)) {
// All but one template parameter lists have been matching.
--NumMatchedTemplateParamLists;
if (TemplateParams->size() > 0) {
// This is a declaration or definition of a class template (which may
// be a member of another template).
if (Invalid)
return DeclPtrTy();
OwnedDecl = false;
DeclResult Result = CheckClassTemplate(S, TagSpec, TUK, KWLoc,
SS, Name, NameLoc, Attr,
@ -5069,7 +5084,6 @@ Sema::DeclPtrTy Sema::ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK,
DeclContext *SearchDC = CurContext;
DeclContext *DC = CurContext;
bool isStdBadAlloc = false;
bool Invalid = false;
RedeclarationKind Redecl = ForRedeclaration;
if (TUK == TUK_Friend || TUK == TUK_Reference)

33
lib/Sema/SemaExpr.cpp
View File

@ -164,7 +164,7 @@ void Sema::DiagnoseSentinelCalls(NamedDecl *D, SourceLocation Loc,
if (!sentinelExpr) return;
if (sentinelExpr->isTypeDependent()) return;
if (sentinelExpr->isValueDependent()) return;
if (sentinelExpr->getType()->isPointerType() &&
if (sentinelExpr->getType()->isAnyPointerType() &&
sentinelExpr->IgnoreParenCasts()->isNullPointerConstant(Context,
Expr::NPC_ValueDependentIsNull))
return;
@ -475,6 +475,7 @@ Sema::BuildDeclRefExpr(ValueDecl *D, QualType Ty, SourceLocation Loc,
if (isa<NonTypeTemplateParmDecl>(VD)) {
// Non-type template parameters can be referenced anywhere they are
// visible.
Ty = Ty.getNonLValueExprType(Context);
} else if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(CurContext)) {
if (const FunctionDecl *FD = MD->getParent()->isLocalClass()) {
if (VD->hasLocalStorage() && VD->getDeclContext() != CurContext) {
@ -4008,7 +4009,8 @@ Sema::BuildCStyleCastExpr(SourceLocation LParenLoc, TypeSourceInfo *Ty,
return ExprError();
Op.release();
return Owned(new (Context) CStyleCastExpr(Ty->getType().getNonReferenceType(),
return Owned(new (Context) CStyleCastExpr(
Ty->getType().getNonLValueExprType(Context),
Kind, castExpr, BasePath, Ty,
LParenLoc, RParenLoc));
}
@ -4904,7 +4906,7 @@ Sema::CheckSingleAssignmentConstraints(QualType lhsType, Expr *&rExpr) {
// The getNonReferenceType() call makes sure that the resulting expression
// does not have reference type.
if (result != Incompatible && rExpr->getType() != lhsType)
ImpCastExprToType(rExpr, lhsType.getNonReferenceType(),
ImpCastExprToType(rExpr, lhsType.getNonLValueExprType(Context),
CastExpr::CK_Unknown);
return result;
}
@ -5733,7 +5735,25 @@ inline QualType Sema::CheckBitwiseOperands(
}
inline QualType Sema::CheckLogicalOperands( // C99 6.5.[13,14]
Expr *&lex, Expr *&rex, SourceLocation Loc) {
Expr *&lex, Expr *&rex, SourceLocation Loc, unsigned Opc) {
// Diagnose cases where the user write a logical and/or but probably meant a
// bitwise one. We do this when the LHS is a non-bool integer and the RHS
// is a constant.
if (lex->getType()->isIntegerType() && !lex->getType()->isBooleanType() &&
rex->getType()->isIntegerType() && rex->isEvaluatable(Context) &&
// Don't warn if the RHS is a (constant folded) boolean expression like
// "sizeof(int) == 4".
!rex->isKnownToHaveBooleanValue() &&
// Don't warn in macros.
!Loc.isMacroID())
Diag(Loc, diag::warn_logical_instead_of_bitwise)
<< rex->getSourceRange()
<< (Opc == BinaryOperator::LAnd ? "&&" : "||")
<< (Opc == BinaryOperator::LAnd ? "&" : "|");
if (!Context.getLangOptions().CPlusPlus) {
UsualUnaryConversions(lex);
UsualUnaryConversions(rex);
@ -6361,7 +6381,7 @@ Action::OwningExprResult Sema::CreateBuiltinBinOp(SourceLocation OpLoc,
break;
case BinaryOperator::LAnd:
case BinaryOperator::LOr:
ResultTy = CheckLogicalOperands(lhs, rhs, OpLoc);
ResultTy = CheckLogicalOperands(lhs, rhs, OpLoc, Opc);
break;
case BinaryOperator::MulAssign:
case BinaryOperator::DivAssign:
@ -7348,7 +7368,8 @@ Sema::OwningExprResult Sema::ActOnVAArg(SourceLocation BuiltinLoc,
// FIXME: Warn if a non-POD type is passed in.
expr.release();
return Owned(new (Context) VAArgExpr(BuiltinLoc, E, T.getNonReferenceType(),
return Owned(new (Context) VAArgExpr(BuiltinLoc, E,
T.getNonLValueExprType(Context),
RPLoc));
}

5
lib/Sema/SemaExprCXX.cpp
View File

@ -540,7 +540,8 @@ Sema::ActOnCXXTypeConstructExpr(SourceRange TypeRange, TypeTy *TypeRep,
exprs.release();
return Owned(new (Context) CXXFunctionalCastExpr(Ty.getNonReferenceType(),
return Owned(new (Context) CXXFunctionalCastExpr(
Ty.getNonLValueExprType(Context),
TInfo, TyBeginLoc, Kind,
Exprs[0], BasePath,
RParenLoc));
@ -1879,7 +1880,7 @@ Sema::PerformImplicitConversion(Expr *&From, QualType ToType,
case ICK_Qualification:
// FIXME: Not sure about lvalue vs rvalue here in the presence of rvalue
// references.
ImpCastExprToType(From, ToType.getNonReferenceType(),
ImpCastExprToType(From, ToType.getNonLValueExprType(Context),
CastExpr::CK_NoOp, ToType->isLValueReferenceType());
if (SCS.DeprecatedStringLiteralToCharPtr)

12
lib/Sema/SemaInit.cpp
View File

@ -523,8 +523,9 @@ void InitListChecker::CheckExplicitInitList(const InitializedEntity &Entity,
StructuredList->setSyntacticForm(IList);
CheckListElementTypes(Entity, IList, T, /*SubobjectIsDesignatorContext=*/true,
Index, StructuredList, StructuredIndex, TopLevelObject);
IList->setType(T.getNonReferenceType());
StructuredList->setType(T.getNonReferenceType());
QualType ExprTy = T.getNonLValueExprType(SemaRef.Context);
IList->setType(ExprTy);
StructuredList->setType(ExprTy);
if (hadError)
return;
@ -1716,7 +1717,7 @@ InitListChecker::getStructuredSubobjectInit(InitListExpr *IList, unsigned Index,
InitRange.getBegin(), 0, 0,
InitRange.getEnd());
Result->setType(CurrentObjectType.getNonReferenceType());
Result->setType(CurrentObjectType.getNonLValueExprType(SemaRef.Context));
// Pre-allocate storage for the structured initializer list.
unsigned NumElements = 0;
@ -2370,13 +2371,14 @@ static OverloadingResult TryRefInitWithConversionFunction(Sema &S,
// Add the user-defined conversion step.
Sequence.AddUserConversionStep(Function, Best->FoundDecl,
T2.getNonReferenceType());
T2.getNonLValueExprType(S.Context));
// Determine whether we need to perform derived-to-base or
// cv-qualification adjustments.
bool NewDerivedToBase = false;
Sema::ReferenceCompareResult NewRefRelationship
= S.CompareReferenceRelationship(DeclLoc, T1, T2.getNonReferenceType(),
= S.CompareReferenceRelationship(DeclLoc, T1,
T2.getNonLValueExprType(S.Context),
NewDerivedToBase);
if (NewRefRelationship == Sema::Ref_Incompatible) {
// If the type we've converted to is not reference-related to the

30
lib/Sema/SemaObjCProperty.cpp
View File

@ -52,18 +52,22 @@ Sema::DeclPtrTy Sema::ActOnProperty(Scope *S, SourceLocation AtLoc,
cast<ObjCContainerDecl>(ClassCategory.getAs<Decl>());
if (ObjCCategoryDecl *CDecl = dyn_cast<ObjCCategoryDecl>(ClassDecl))
if (CDecl->IsClassExtension())
return HandlePropertyInClassExtension(S, CDecl, AtLoc,
FD, GetterSel, SetterSel,
isAssign, isReadWrite,
Attributes,
isOverridingProperty, TSI,
MethodImplKind);
if (CDecl->IsClassExtension()) {
DeclPtrTy Res = HandlePropertyInClassExtension(S, CDecl, AtLoc,
FD, GetterSel, SetterSel,
isAssign, isReadWrite,
Attributes,
isOverridingProperty, TSI,
MethodImplKind);
if (Res)
CheckObjCPropertyAttributes(Res, AtLoc, Attributes);
return Res;
}
DeclPtrTy Res = DeclPtrTy::make(CreatePropertyDecl(S, ClassDecl, AtLoc, FD,
GetterSel, SetterSel,
isAssign, isReadWrite,
Attributes, TSI, MethodImplKind));
GetterSel, SetterSel,
isAssign, isReadWrite,
Attributes, TSI, MethodImplKind));
// Validate the attributes on the @property.
CheckObjCPropertyAttributes(Res, AtLoc, Attributes);
return Res;
@ -926,6 +930,10 @@ void Sema::DefaultSynthesizeProperties (Scope *S, ObjCImplDecl* IMPDecl,
Prop->getPropertyImplementation() == ObjCPropertyDecl::Optional ||
IMPDecl->FindPropertyImplIvarDecl(Prop->getIdentifier()))
continue;
// Property may have been synthesized by user.
if (IMPDecl->FindPropertyImplDecl(Prop->getIdentifier()))
continue;
ActOnPropertyImplDecl(S, IMPDecl->getLocation(), IMPDecl->getLocation(),
true, DeclPtrTy::make(IMPDecl),
Prop->getIdentifier(), Prop->getIdentifier());

5
lib/Sema/SemaOverload.cpp
View File

@ -3727,7 +3727,7 @@ Sema::AddConversionCandidate(CXXConversionDecl *Conversion,
// there are 0 arguments (i.e., nothing is allocated using ASTContext's
// allocator).
CallExpr Call(Context, &ConversionFn, 0, 0,
Conversion->getConversionType().getNonReferenceType(),
Conversion->getConversionType().getNonLValueExprType(Context),
From->getLocStart());
ImplicitConversionSequence ICS =
TryCopyInitialization(*this, &Call, ToType,
@ -6287,7 +6287,8 @@ FunctionDecl *Sema::ResolveSingleFunctionTemplateSpecialization(Expr *From) {
// specified and it, along with any default template arguments,
// identifies a single function template specialization, then the
// template-id is an lvalue for the function template specialization.
FunctionTemplateDecl *FunctionTemplate = cast<FunctionTemplateDecl>(*I);
FunctionTemplateDecl *FunctionTemplate
= cast<FunctionTemplateDecl>((*I)->getUnderlyingDecl());
// C++ [over.over]p2:
// If the name is a function template, template argument deduction is

19
lib/Sema/SemaTemplate.cpp
View File

@ -1233,7 +1233,8 @@ Sema::MatchTemplateParametersToScopeSpecifier(SourceLocation DeclStartLoc,
TemplateParameterList **ParamLists,
unsigned NumParamLists,
bool IsFriend,
bool &IsExplicitSpecialization) {
bool &IsExplicitSpecialization,
bool &Invalid) {
IsExplicitSpecialization = false;
// Find the template-ids that occur within the nested-name-specifier. These
@ -1311,6 +1312,7 @@ Sema::MatchTemplateParametersToScopeSpecifier(SourceLocation DeclStartLoc,
diag::err_template_spec_needs_template_parameters)
<< TemplateId
<< SS.getRange();
Invalid = true;
} else {
Diag(SS.getRange().getBegin(), diag::err_template_spec_needs_header)
<< SS.getRange()
@ -1373,7 +1375,13 @@ Sema::MatchTemplateParametersToScopeSpecifier(SourceLocation DeclStartLoc,
<< ExplicitSpecializationsInSpecifier.back();
ExplicitSpecializationsInSpecifier.pop_back();
}
// We have a template parameter list with no corresponding scope, which
// means that the resulting template declaration can't be instantiated
// properly (we'll end up with dependent nodes when we shouldn't).
if (!isExplicitSpecHeader)
Invalid = true;
++Idx;
}
}
@ -3622,12 +3630,17 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
// template.
// FIXME: We probably shouldn't complain about these headers for
// friend declarations.
bool Invalid = false;
TemplateParameterList *TemplateParams
= MatchTemplateParametersToScopeSpecifier(TemplateNameLoc, SS,
(TemplateParameterList**)TemplateParameterLists.get(),
TemplateParameterLists.size(),
TUK == TUK_Friend,
isExplicitSpecialization);
isExplicitSpecialization,
Invalid);
if (Invalid)
return true;
unsigned NumMatchedTemplateParamLists = TemplateParameterLists.size();
if (TemplateParams)
--NumMatchedTemplateParamLists;

3
lib/Sema/SemaTemplateInstantiate.cpp
View File

@ -1067,6 +1067,9 @@ ParmVarDecl *Sema::SubstParmVarDecl(ParmVarDecl *OldParm,
NewParm->setHasInheritedDefaultArg(OldParm->hasInheritedDefaultArg());
CurrentInstantiationScope->InstantiatedLocal(OldParm, NewParm);
// Set DeclContext if inside a Block.
NewParm->setDeclContext(CurContext);
return NewParm;
}

4
lib/Sema/TreeTransform.h
View File

@ -4198,10 +4198,6 @@ TreeTransform<Derived>::TransformDeclRefExpr(DeclRefExpr *E) {
if (!ND)
return SemaRef.ExprError();
// Set DeclContext if inside a Block.
if (BlockScopeInfo *CurBlock = SemaRef.getCurBlock())
ND->setDeclContext(CurBlock->TheDecl);
if (!getDerived().AlwaysRebuild() &&
Qualifier == E->getQualifier() &&
ND == E->getDecl() &&

104
runtime/Makefile Normal file
View File

@ -0,0 +1,104 @@
##===- clang/runtime/Makefile ------------------------------*- Makefile -*-===##
#
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
#
##===----------------------------------------------------------------------===##
#
# This file defines support for building the Clang runtime libraries (which are
# implemented by compiler-rt) and placing them in the proper locations in the
# Clang resources directory (i.e., where the driver expects them).
#
##===----------------------------------------------------------------------===##
CLANG_LEVEL := ..
include $(CLANG_LEVEL)/Makefile
CLANG_VERSION := $(word 3,$(shell grep "CLANG_VERSION " \
$(PROJ_OBJ_DIR)/$(CLANG_LEVEL)/include/clang/Basic/Version.inc))
ResourceDir := $(PROJ_OBJ_ROOT)/$(BuildMode)/lib/clang/$(CLANG_VERSION)
PROJ_resources := $(DESTDIR)$(PROJ_prefix)/lib/clang/$(CLANG_VERSION)
ResourceLibDir := $(ResourceDir)/lib
PROJ_resources_lib := $(PROJ_resources)/lib
# Expect compiler-rt to be in llvm/projects/compiler-rt
COMPILERRT_SRC_ROOT := $(LLVM_SRC_ROOT)/projects/compiler-rt
ifndef CLANG_NO_RUNTIME
ifeq ($(shell test -d $(COMPILERRT_SRC_ROOT) && echo OK),OK)
# Select the compiler-rt configuration to use, and install directory.
#
# FIXME: Eventually, we want some kind of configure support for this. We want to
# build/install runtime libraries for as many targets as clang was configured to
# support.
RuntimeDirs :=
ifeq ($(OS),Darwin)
RuntimeDirs += darwin
RuntimeLibrary.darwin.Configs = 10.4 armv6 cc_kext
endif
# Rule to build the compiler-rt libraries we need.
#
# We build all the libraries in a single shot to avoid recursive make as much as
# possible.
BuildRuntimeLibraries:
$(Verb) $(MAKE) -C $(COMPILERRT_SRC_ROOT) \
ProjSrcRoot=$(COMPILERRT_SRC_ROOT) \
ProjObjRoot=$(PROJ_OBJ_DIR) \
CC="$(ToolDir)/clang -no-integrated-as" \
$(RuntimeDirs:%=clang_%)
.PHONY: BuildRuntimeLibraries
CleanRuntimeLibraries:
$(Verb) $(MAKE) -C $(COMPILERRT_SRC_ROOT) \
ProjSrcRoot=$(COMPILERRT_SRC_ROOT) \
ProjObjRoot=$(PROJ_OBJ_DIR) \
clean
.PHONY: CleanRuntimeLibraries
$(PROJ_resources_lib):
$(Verb) $(MKDIR) $@
# Expand rules for copying/installing each individual library. We can't use
# implicit rules here because we need to match against multiple things.
define RuntimeLibraryTemplate
$(PROJ_OBJ_DIR)/clang_$1/%/libcompiler_rt.a: BuildRuntimeLibraries
@true
.PRECIOUS: $(PROJ_OBJ_DIR)/clang_$1/%/libcompiler_rt.a
# Rule to copy the libraries to their resource directory location.
$(ResourceLibDir)/$1/libclang_rt.%.a: \
$(PROJ_OBJ_DIR)/clang_$1/%/libcompiler_rt.a \
$(ResourceLibDir)/$1/.dir
$(Echo) Copying runtime library $1/$$* to build dir
$(Verb) cp $(PROJ_OBJ_DIR)/clang_$1/$$*/libcompiler_rt.a $$@
RuntimeLibrary.$1: \
$(RuntimeLibrary.$1.Configs:%=$(ResourceLibDir)/$1/libclang_rt.%.a)
.PHONY: RuntimeLibrary.$1
$(PROJ_resources_lib)/$1: $(PROJ_resources_lib)
$(Verb) $(MKDIR) $$@
$(PROJ_resources_lib)/$1/libclang_rt.%.a: \
$(ResourceLibDir)/$1/libclang_rt.%.a | $(PROJ_resources_lib)/$1
$(Echo) Installing compiler runtime library: $1/$$*
$(Verb) $(DataInstall) $$< $(PROJ_resources_lib)/$1
# Rule to install runtime libraries.
RuntimeLibraryInstall.$1: \
$(RuntimeLibrary.$1.Configs:%=$(PROJ_resources_lib)/$1/libclang_rt.%.a)
.PHONY: RuntimeLibraryInstall.$1
endef
$(foreach lib,$(RuntimeDirs), $(eval $(call RuntimeLibraryTemplate,$(lib))))
# Hook into the standard Makefile rules.
all-local:: $(RuntimeDirs:%=RuntimeLibrary.%)
install-local:: $(RuntimeDirs:%=RuntimeLibraryInstall.%)
clean-local:: CleanRuntimeLibraries
endif
endif

20
test/CXX/temp/temp.fct.spec/temp.arg.explicit/p3.cpp
View File

@ -43,3 +43,23 @@ namespace PR5949 {
return Foo<T>(b, quuz);
}
}
// PR7641
namespace PR7641 {
namespace N2
{
template<class>
int f0(int);
}
namespace N
{
using N2::f0;
}
template<class R,class B1>
int
f1(R(a)(B1));
void f2()
{ f1(N::f0<int>); }
}

2
test/CodeCompletion/Inputs/reserved.h Normal file
View File

@ -0,0 +1,2 @@
typedef int _INTEGER_TYPE;
typedef float FLOATING_TYPE;

12
test/CodeCompletion/ordinary-name.c
View File

@ -1,10 +1,14 @@
#include <reserved.h>
struct X { int x; };
typedef struct t TYPEDEF;
typedef struct t _TYPEDEF;
void foo() {
int y;
// RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:6:9 %s -o - | FileCheck -check-prefix=CHECK-CC1 %s
// RUN: %clang_cc1 -isystem %S/Inputs -fsyntax-only -code-completion-at=%s:6:9 %s -o - | FileCheck -check-prefix=CHECK-CC1 %s
// CHECK-CC1: _Imaginary
// CHECK-CC1-NOT: _INTEGER_TYPE;
// CHECK-CC1: _TYPEDEF
// CHECK-CC1: FLOATING_TYPE
// CHECK-CC1: foo
// CHECK-CC1: y
// CHECK-CC1: TYPEDEF
// CHECK-CC1: y

1
test/CodeGenCXX/condition.cpp
View File

@ -26,6 +26,7 @@ struct Y {
X getX();
// CHECK: define void @_Z11if_destructi(
void if_destruct(int z) {
// Verify that the condition variable is destroyed at the end of the
// "if" statement.

43
test/CodeGenCXX/eh.cpp
View File

@ -136,9 +136,6 @@ namespace test7 {
// CHECK-NEXT: invoke void @__cxa_throw(i8* [[EXNALLOC]], i8* bitcast (i8** @_ZTIi to i8*), i8* null
throw 1;
}
// This cleanup ends up here for no good reason. It's actually unused.
// CHECK: load i8** [[EXNALLOCVAR]]
// CHECK-NEXT: call void @__cxa_free_exception(
// CHECK: [[CAUGHTEXN:%.*]] = call i8* @llvm.eh.exception()
// CHECK-NEXT: store i8* [[CAUGHTEXN]], i8** [[CAUGHTEXNVAR]]
@ -184,11 +181,7 @@ namespace test8 {
// CHECK-NEXT: invoke void @_ZN5test81AC1ERKS0_(
// CHECK: call i8* @__cxa_begin_catch
// CHECK-NEXT: invoke void @_ZN5test81AD1Ev(
// CHECK: call void @__cxa_end_catch()
// CHECK-NEXT: load
// CHECK-NEXT: switch
// CHECK: ret void
}
}
@ -220,3 +213,39 @@ namespace test9 {
// CHECK: call i8* @llvm.eh.exception
// CHECK: call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* {{.*}}, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* bitcast (i8** @_ZTIi to i8*), i8* null)
}
// __cxa_end_catch can throw for some kinds of caught exceptions.
namespace test10 {
void opaque();
struct A { ~A(); };
struct B { int x; };
// CHECK: define void @_ZN6test103fooEv()
void foo() {
A a; // force a cleanup context
try {
// CHECK: invoke void @_ZN6test106opaqueEv()
opaque();
} catch (int i) {
// CHECK: call i8* @__cxa_begin_catch
// CHECK-NEXT: bitcast
// CHECK-NEXT: load i32*
// CHECK-NEXT: store i32
// CHECK-NEXT: call void @__cxa_end_catch() nounwind
} catch (B a) {
// CHECK: call i8* @__cxa_begin_catch
// CHECK-NEXT: bitcast
// CHECK-NEXT: bitcast
// CHECK-NEXT: bitcast
// CHECK-NEXT: call void @llvm.memcpy
// CHECK-NEXT: invoke void @__cxa_end_catch()
} catch (...) {
// CHECK: call i8* @__cxa_begin_catch
// CHECK-NEXT: invoke void @__cxa_end_catch()
}
// CHECK: call void @_ZN6test101AD1Ev(
}
}

26
test/CodeGenCXX/instantiate-blocks.cpp
View File

@ -31,3 +31,29 @@ void test2(void)
{
foo(100, 'a');
}
namespace rdar6182276 {
extern "C" {
int printf(const char *, ...);
}
template <typename T> T foo(T t)
{
void (^testing)(int) = ^(int bar) { printf("bar is %d\n", bar); };
printf("bar is\n");
return 1;
}
template <typename T> void gorf(T t)
{
foo(t);
}
void test(void)
{
gorf(2);
}
}

163
test/CodeGenCXX/lvalue-bitcasts.cpp Normal file
View File

@ -0,0 +1,163 @@
// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s | FileCheck %s
struct X { int i; float f; };
struct Y { X x; };
// CHECK: define void @_Z21reinterpret_cast_testRiRfR1X
void reinterpret_cast_test(int &ir, float &fr, X &xr) {
// CHECK: load float**
// CHECK: bitcast float*
// CHECK: load i32*
ir = reinterpret_cast<int&>(fr);
// CHECK: load
// CHECK: {{bitcast.*to i32\*}}
// CHECK: load i32*
ir = reinterpret_cast<int&>(xr);
// CHECK: load i32
// CHECK: {{bitcast.*to float\*}}
// CHECK: load float*
fr = reinterpret_cast<float&>(ir);
// CHECK: load
// CHECK: {{bitcast.*to float\*}}
// CHECK: load float*
fr = reinterpret_cast<float&>(xr);
// CHECK: load i32**
// CHECK: bitcast i32*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
xr = reinterpret_cast<X&>(ir);
// CHECK: load float**
// CHECK: bitcast float*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
xr = reinterpret_cast<X&>(fr);
_Complex float cf;
_Complex float &cfr = cf;
// CHECK: load i32**
// CHECK: bitcast i32*
// CHECK: load float*
// CHECK: load float*
cfr = reinterpret_cast<_Complex float&>(ir);
// CHECK: load float**
// CHECK: bitcast float*
// CHECK: load float*
// CHECK: load float*
cfr = reinterpret_cast<_Complex float&>(fr);
// CHECK: bitcast
// CHECK: load float*
// CHECK: load float*
cfr = reinterpret_cast<_Complex float&>(xr);
// CHECK: ret void
}
// CHECK: define void @_Z6c_castRiRfR1X
void c_cast(int &ir, float &fr, X &xr) {
// CHECK: load float**
// CHECK: bitcast float*
// CHECK: load i32*
ir = (int&)fr;
// CHECK: load
// CHECK: {{bitcast.*to i32\*}}
// CHECK: load i32*
ir = (int&)xr;
// CHECK: load i32
// CHECK: {{bitcast.*to float\*}}
// CHECK: load float*
fr = (float&)ir;
// CHECK: load
// CHECK: {{bitcast.*to float\*}}
// CHECK: load float*
fr = (float&)xr;
// CHECK: load i32**
// CHECK: bitcast i32*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
xr = (X&)ir;
// CHECK: load float**
// CHECK: bitcast float*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
xr = (X&)fr;
_Complex float cf;
_Complex float &cfr = cf;
// CHECK: load i32**
// CHECK: bitcast i32*
// CHECK: load float*
// CHECK: load float*
cfr = (_Complex float&)ir;
// CHECK: load float**
// CHECK: bitcast float*
// CHECK: load float*
// CHECK: load float*
cfr = (_Complex float&)fr;
// CHECK: bitcast
// CHECK: load float*
// CHECK: load float*
cfr = (_Complex float&)xr;
// CHECK: ret void
}
// CHECK: define void @_Z15functional_castRiRfR1X
void functional_cast(int &ir, float &fr, X &xr) {
typedef int &intref;
typedef float &floatref;
typedef X &Xref;
// CHECK: load float**
// CHECK: bitcast float*
// CHECK: load i32*
ir = intref(fr);
// CHECK: load
// CHECK: {{bitcast.*to i32\*}}
// CHECK: load i32*
ir = intref(xr);
// CHECK: load i32
// CHECK: {{bitcast.*to float\*}}
// CHECK: load float*
fr = floatref(ir);
// CHECK: load
// CHECK: {{bitcast.*to float\*}}
// CHECK: load float*
fr = floatref(xr);
// CHECK: load i32**
// CHECK: bitcast i32*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
xr = Xref(ir);
// CHECK: load float**
// CHECK: bitcast float*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
xr = Xref(fr);
typedef _Complex float &complex_float_ref;
_Complex float cf;
_Complex float &cfr = cf;
// CHECK: load i32**
// CHECK: bitcast i32*
// CHECK: load float*
// CHECK: load float*
cfr = complex_float_ref(ir);
// CHECK: load float**
// CHECK: bitcast float*
// CHECK: load float*
// CHECK: load float*
cfr = complex_float_ref(fr);
// CHECK: bitcast
// CHECK: load float*
// CHECK: load float*
cfr = complex_float_ref(xr);
// CHECK: ret void
}
namespace PR6437 {
struct in_addr {};
void copy( const struct in_addr &new_addr ) {
int addr = (int&)new_addr;
}
}
namespace PR7593 {
void foo(double &X, char *A) {
X = reinterpret_cast<double&>(A[4]);
}
}
namespace PR7344 {
void serialize_annotatable_id( void*& id )
{
unsigned long l_id = (unsigned long&)id;
}
}

13
test/CodeGenCXX/mangle.cpp
View File

@ -495,4 +495,15 @@ namespace test12 {
// CHECK: _ZN6test121fENS_1AILt33000EEE
template <unsigned short> struct A { };
void f(A<33000>) { }
}
}
// PR7446
namespace test13 {
template <template <class> class T> class A {};
template <class U> class B {};
template <template<class> class T> void foo(const A<T> &a) {}
// CHECK: define weak_odr void @_ZN6test133fooINS_1BEEEvRKNS_1AIT_EE(
template void foo(const A<B> &a);
}

20
test/CodeGenCXX/member-qual-debug-info.cpp Normal file
View File

@ -0,0 +1,20 @@
// RUN: %clang_cc1 -g -S -masm-verbose -x c++ -o %t %s
// RUN: grep DW_TAG_volatile_type %t | count 3
// RUN: grep DW_TAG_const_type %t | count 3
// one for decl, one for def, one for abbrev
namespace A {
class B {
public:
void dump() const volatile;
};
}
int main () {
using namespace A;
B b;
return 0;
}
void A::B::dump() const volatile{
}

32
test/CodeGenCXX/nrvo.cpp
View File

@ -57,20 +57,15 @@ X test2(bool B) {
// CHECK-EH: call void @_ZN1XC1Ev
// CHECK-EH-NEXT: invoke void @_ZN1XC1Ev
// -> %invoke.cont1, %lpad
// -> %invoke.cont, %lpad
// %invoke.cont1:
// %invoke.cont:
// CHECK-EH: br i1
// -> %if.then, %if.end
// %if.then: returning 'x'
// CHECK-EH: invoke void @_ZN1XC1ERKS_
// -> %cleanup, %lpad5
// %invoke.cont: rethrow block for %eh.cleanup.
// This really should be elsewhere in the function.
// CHECK-EH: call void @_Unwind_Resume_or_Rethrow
// CHECK-EH-NEXT: unreachable
// -> %cleanup, %lpad1
// %lpad: landing pad for ctor of 'y', dtor of 'y'
// CHECK-EH: call i8* @llvm.eh.exception()
@ -78,25 +73,30 @@ X test2(bool B) {
// CHECK-EH-NEXT: br label
// -> %eh.cleanup
// %invoke.cont2: normal cleanup for 'x'
// CHECK-EH: call void @_ZN1XD1Ev
// CHECK-EH-NEXT: ret void
// %lpad5: landing pad for return copy ctors, EH cleanup for 'y'
// %lpad1: landing pad for return copy ctors, EH cleanup for 'y'
// CHECK-EH: invoke void @_ZN1XD1Ev
// -> %eh.cleanup, %terminate.lpad
// %if.end: returning 'y'
// CHECK-EH: invoke void @_ZN1XC1ERKS_
// -> %cleanup, %lpad5
// -> %cleanup, %lpad1
// %cleanup: normal cleanup for 'y'
// CHECK-EH: invoke void @_ZN1XD1Ev
// -> %invoke.cont2, %lpad
// -> %invoke.cont11, %lpad
// %invoke.cont11: normal cleanup for 'x'
// CHECK-EH: call void @_ZN1XD1Ev
// CHECK-EH-NEXT: ret void
// %eh.cleanup: EH cleanup for 'x'
// CHECK-EH: invoke void @_ZN1XD1Ev
// -> %invoke.cont, %terminate.lpad
// -> %invoke.cont17, %terminate.lpad
// %invoke.cont17: rethrow block for %eh.cleanup.
// This really should be elsewhere in the function.
// CHECK-EH: call void @_Unwind_Resume_or_Rethrow
// CHECK-EH-NEXT: unreachable
// %terminate.lpad: terminate landing pad.
// CHECK-EH: call i8* @llvm.eh.exception()

2
test/CodeGenCXX/static-init-2.cpp
View File

@ -3,4 +3,4 @@
// Make sure we don't crash generating y; its value is constant, but the
// initializer has side effects, so EmitConstantExpr should fail.
int x();
int y = x() && 0;
int y = x() && 0; // expected-warning {{use of logical && with constant operand}}

2
test/CodeGenObjC/metadata_symbols.m
View File

@ -1,4 +1,4 @@
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -emit-llvm -o %t %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -emit-llvm -fexceptions -o %t %s
// RUN: FileCheck -check-prefix=CHECK-X86_64 < %t %s
// RUN: grep '@"OBJC_EHTYPE_$_EH3"' %t | count 3

4
test/CodeGenObjC/unwind-fn.m
View File

@ -1,5 +1,5 @@
// RUN: %clang_cc1 -fobjc-nonfragile-abi -emit-llvm -o - %s | FileCheck --check-prefix=DEFAULT_EH %s
// RUN: %clang_cc1 -fsjlj-exceptions -fobjc-nonfragile-abi -emit-llvm -o - %s | FileCheck --check-prefix=SJLJ_EH %s
// RUN: %clang_cc1 -fobjc-nonfragile-abi -emit-llvm -fexceptions -o - %s | FileCheck --check-prefix=DEFAULT_EH %s
// RUN: %clang_cc1 -fsjlj-exceptions -fobjc-nonfragile-abi -fexceptions -emit-llvm -o - %s | FileCheck --check-prefix=SJLJ_EH %s
// DEFAULT_EH: declare void @_Unwind_Resume_or_Rethrow(i8*)
// SJLJ_EH: declare void @_Unwind_SjLj_Resume(i8*)

2
test/Driver/darwin-iphone-defaults.m
View File

@ -1,4 +1,4 @@
// RUN: %clang -ccc-host-triple i386-apple-darwin9 -arch armv7 -flto -S -o - %s | FileCheck %s
// RUN: %clang -ccc-host-triple i386-apple-darwin9 -miphoneos-version-min=3.0 -arch armv7 -flto -S -o - %s | FileCheck %s
// CHECK: @f0
// CHECK-NOT: ssp

12
test/Driver/darwin-ld.c
View File

@ -70,3 +70,15 @@
// LINK_IPHONE_3_1: ld"
// LINK_IPHONE_3_1-NOT: -lbundle1.o
// LINK_IPHONE_3_1: -lSystem
// RUN: %clang -ccc-host-triple i386-apple-darwin9 -### -fpie %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_EXPLICIT_PIE %s < %t.log
//
// LINK_EXPLICIT_PIE: ld"
// LINK_EXPLICIT_PIE: "-pie"
// RUN: %clang -ccc-host-triple i386-apple-darwin9 -### -fno-pie %t.o 2> %t.log
// RUN: FileCheck -check-prefix=LINK_EXPLICIT_NO_PIE %s < %t.log
//
// LINK_EXPLICIT_NO_PIE: ld"
// LINK_EXPLICIT_NO_PIE: "-no_pie"

3
test/Frontend/darwin-version.c
View File

@ -1,4 +1,7 @@
// RUN: %clang -ccc-host-triple armv6-apple-darwin9 -dM -E -o %t %s
// RUN: grep '__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__' %t | count 0
// RUN: grep '__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__' %t | grep '1050' | count 1
// RUN: %clang -ccc-host-triple armv6-apple-darwin9 -miphoneos-version-min=3.0 -dM -E -o %t %s
// RUN: grep '__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__' %t | grep '30000' | count 1
// RUN: grep '__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__' %t | count 0
// RUN: %clang -ccc-host-triple armv6-apple-darwin9 -miphoneos-version-min=2.0 -dM -E -o %t %s

4
test/Index/c-index-api-loadTU-test.m
View File

@ -66,6 +66,10 @@ int main (int argc, const char * argv[]) {
- (IBAction) actionMethod:(id)arg;
@end
typedef struct X0 X1;
struct X0;
struct X0 {};
// CHECK: c-index-api-loadTU-test.m:4:12: ObjCInterfaceDecl=Foo:4:12 Extent=[4:1 - 12:5]
// CHECK: c-index-api-loadTU-test.m:6:32: ObjCIvarDecl=myoutlet:6:32 (Definition) Extent=[6:32 - 6:40]
// CHECK: <invalid loc>:0:0: attribute(iboutlet)=

4
test/Makefile
View File

@ -50,4 +50,8 @@ lit.site.cfg: FORCE
clean::
@ find . -name Output | xargs rm -fr
# Daniel hates Chris.
chris-lit:
make LIT_ARGS='-j16 -s'
.PHONY: all report clean

6
test/PCH/pchpch.c Normal file
View File

@ -0,0 +1,6 @@
// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-pch -o %t1 %S/pchpch1.h
// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-pch -o %t2 %S/pchpch2.h -include-pch %t1
// RUN: %clang_cc1 -triple i386-unknown-unknown -fsyntax-only %s -include-pch %t2
// The purpose of this test is to make sure that a PCH created while including
// an existing PCH can be loaded.

0
test/PCH/pchpch1.h Normal file
View File

0
test/PCH/pchpch2.h Normal file
View File

5
test/Sema/block-call.c
View File

@ -13,10 +13,9 @@ int main() {
int (^IFP) () = PFR; // OK
const int (^CIC) () = IFP; // expected-error {{incompatible block pointer types initializing 'int const (^)()' with an expression of type 'int (^)()'}} \
// expected-warning{{type qualifier on return type has no effect}}
const int (^CIC) () = IFP; // expected-error {{incompatible block pointer types initializing 'int const (^)()' with an expression of type 'int (^)()'}}
const int (^CICC) () = CIC; // expected-warning{{type qualifier on return type has no effect}}
const int (^CICC) () = CIC;
int * const (^IPCC) () = 0;

5
test/Sema/block-return.c
View File

@ -109,10 +109,9 @@ void foo6() {
void foo7()
{
const int (^BB) (void) = ^{ const int i = 1; return i; }; // expected-error{{incompatible block pointer types initializing 'int const (^)(void)' with an expression of type 'int (^)(void)'}} \
// expected-warning{{type qualifier on return type has no effect}}
const int (^BB) (void) = ^{ const int i = 1; return i; }; // expected-error{{incompatible block pointer types initializing 'int const (^)(void)' with an expression of type 'int (^)(void)'}}
const int (^CC) (void) = ^const int{ const int i = 1; return i; }; // expected-warning{{type qualifier on return type has no effect}}
const int (^CC) (void) = ^const int{ const int i = 1; return i; };
int i;

5
test/Sema/exprs.c
View File

@ -142,3 +142,8 @@ void test19() {
*(volatile int*)0 = 0; // Ok.
}
int test20(int x) {
return x && 4; // expected-warning {{use of logical && with constant operand; switch to bitwise & or remove constant}}
return x && sizeof(int) == 4; // no warning.
}

3
test/Sema/i-c-e.c
View File

@ -51,7 +51,8 @@ char z[__builtin_constant_p(4) ? 1 : -1];
// Comma tests
int comma1[0?1,2:3]; // expected-warning {{expression result unused}}
int comma2[1||(1,2)]; // expected-warning {{expression result unused}}
int comma2[1||(1,2)]; // expected-warning {{expression result unused}} \
// expected-warning {{use of logical || with constant operand}}
int comma3[(1,2)]; // expected-warning {{size of static array must be an integer constant expression}} \
// expected-warning {{expression result unused}}

5
test/Sema/return.c
View File

@ -1,4 +1,4 @@
// RUN: %clang %s -fsyntax-only -Wreturn-type -Xclang -verify -fblocks -Wno-unreachable-code -Wno-unused-value
// RUN: %clang %s -fsyntax-only -Wignored-qualifiers -Wreturn-type -Xclang -verify -fblocks -Wno-unreachable-code -Wno-unused-value
// clang emits the following warning by default.
// With GCC, -pedantic, -Wreturn-type or -Wall are required to produce the
@ -239,3 +239,6 @@ int test_static_inline(int x) {
}
static inline int si_forward() {} // expected-warning{{control reaches end of non-void function}}
// Test warnings on ignored qualifiers on return types.
const int ignored_c_quals(); // expected-warning{{'const' type qualifier on return type has no effect}}
const volatile int ignored_cv_quals(); // expected-warning{{'const volatile' type qualifiers on return type have no effect}}

2
test/Sema/struct-cast.c
View File

@ -5,7 +5,7 @@ struct S {
int two;
};
struct S const foo(void); // expected-warning{{type qualifier on return type has no effect}}
struct S const foo(void);
struct S tmp;

6
test/Sema/switch.c
View File

@ -50,12 +50,14 @@ void test4()
}
switch (cond) {
case g() && 0: // expected-error {{expression is not an integer constant expression}} // expected-note {{subexpression not valid in an integer constant expression}}
case g() && 0: // expected-error {{expression is not an integer constant expression}} // expected-note {{subexpression not valid in an integer constant expression}} \
expected-warning {{use of logical && with constant operand}}
break;
}
switch (cond) {
case 0 ... g() || 1: // expected-error {{expression is not an integer constant expression}} // expected-note {{subexpression not valid in an integer constant expression}}
case 0 ... g() || 1: // expected-error {{expression is not an integer constant expression}} // expected-note {{subexpression not valid in an integer constant expression}} \\
expected-warning {{use of logical || with constant operand}}
break;
}
}

2
test/SemaCXX/ambig-user-defined-conversions.cpp
View File

@ -17,7 +17,7 @@ namespace test0 {
void func(const char ci, const B b); // expected-note {{candidate function}}
void func(const B b, const int ci); // expected-note {{candidate function}}
const int Test1() { // expected-warning{{type qualifier on return type has no effect}}
const int Test1() {
func(b1, f()); // expected-error {{call to 'func' is ambiguous}}
return f(); // expected-error {{conversion from 'test0::B' to 'int const' is ambiguous}}

4
test/SemaCXX/bool.cpp
View File

@ -25,6 +25,6 @@ void static_assert_arg_is_bool(T x) {
void test2() {
int n = 2;
static_assert_arg_is_bool(n && 4);
static_assert_arg_is_bool(n || 5);
static_assert_arg_is_bool(n && 4); // expected-warning {{use of logical && with constant operand}}
static_assert_arg_is_bool(n || 5); // expected-warning {{use of logical || with constant operand}}
}

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