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Merge Clang r202185:

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Debug info: Generate debug info for variadic functions.
  Paired commit with LLVM.

  rdar://problem/13690847

This merege includes changes to use the Clang 3.4 API (revisions
199686 and 200082) in lib/CodeGen/CGDebugInfo.cpp:

getParamType  -> getArgType
getNumParams  -> getNumArgs
getReturnType -> getResultType

Sponsored by:	DARPA, AFRL
This commit is contained in:
Ed Maste 2014-04-23 18:26:12 +00:00
parent f7a2594032
commit 68c01aed8e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=264827
1 changed files with 20 additions and 4 deletions
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24
contrib/llvm/tools/clang/lib/CodeGen/CGDebugInfo.cpp
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@ -37,7 +37,7 @@
#include "llvm/IR/Module.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Path.h"
using namespace clang;
using namespace clang::CodeGen;
@ -342,9 +342,9 @@ void CGDebugInfo::CreateCompileUnit() {
if (const FileEntry *MainFile = SM.getFileEntryForID(SM.getMainFileID())) {
MainFileDir = MainFile->getDir()->getName();
if (MainFileDir != ".") {
llvm::SmallString<1024> MainFileDirSS(MainFileDir);
llvm::sys::path::append(MainFileDirSS, MainFileName);
MainFileName = MainFileDirSS.str();
llvm::SmallString<1024> MainFileDirSS(MainFileDir);
llvm::sys::path::append(MainFileDirSS, MainFileName);
MainFileName = MainFileDirSS.str();
}
}
@ -760,6 +760,8 @@ llvm::DIType CGDebugInfo::CreateType(const FunctionType *Ty,
else if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(Ty)) {
for (unsigned i = 0, e = FPT->getNumArgs(); i != e; ++i)
EltTys.push_back(getOrCreateType(FPT->getArgType(i), Unit));
if (FPT->isVariadic())
EltTys.push_back(DBuilder.createUnspecifiedParameter());
}
llvm::DIArray EltTypeArray = DBuilder.getOrCreateArray(EltTys);
@ -2420,6 +2422,20 @@ llvm::DICompositeType CGDebugInfo::getOrCreateFunctionType(const Decl *D,
llvm::DIArray EltTypeArray = DBuilder.getOrCreateArray(Elts);
return DBuilder.createSubroutineType(F, EltTypeArray);
}
// Variadic function.
if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
if (FD->isVariadic()) {
SmallVector<llvm::Value *, 16> EltTys;
EltTys.push_back(getOrCreateType(FD->getResultType(), F));
if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(FnType))
for (unsigned i = 0, e = FPT->getNumArgs(); i != e; ++i)
EltTys.push_back(getOrCreateType(FPT->getArgType(i), F));
EltTys.push_back(DBuilder.createUnspecifiedParameter());
llvm::DIArray EltTypeArray = DBuilder.getOrCreateArray(EltTys);
return DBuilder.createSubroutineType(F, EltTypeArray);
}
return llvm::DICompositeType(getOrCreateType(FnType, F));
}