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Merge ^/vendor/lvm-project/release-10.x up to its last change (upstream

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commit c4a134a51).
This commit is contained in:
Dimitry Andric 2020-01-24 22:04:02 +00:00
commit 6528635081
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/clang1000-import/; revision=357096
3 changed files with 35 additions and 24 deletions
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8
contrib/llvm-project/clang/include/clang/Driver/Options.td
View File

@ -2855,6 +2855,14 @@ def fintegrated_as : Flag<["-"], "fintegrated-as">, Flags<[DriverOption]>,
def fno_integrated_as : Flag<["-"], "fno-integrated-as">,
Flags<[CC1Option, DriverOption]>, Group<f_Group>,
HelpText<"Disable the integrated assembler">;
def fintegrated_cc1 : Flag<["-"], "fintegrated-cc1">,
Flags<[CoreOption, DriverOption]>, Group<f_Group>,
HelpText<"Run cc1 in-process">;
def fno_integrated_cc1 : Flag<["-"], "fno-integrated-cc1">,
Flags<[CoreOption, DriverOption]>, Group<f_Group>,
HelpText<"Spawn a separate process for each cc1">;
def : Flag<["-"], "integrated-as">, Alias<fintegrated_as>, Flags<[DriverOption]>;
def : Flag<["-"], "no-integrated-as">, Alias<fno_integrated_as>,
Flags<[CC1Option, DriverOption]>;

4
contrib/llvm-project/clang/lib/Driver/Driver.cpp
View File

@ -1035,6 +1035,10 @@ Compilation *Driver::BuildCompilation(ArrayRef<const char *> ArgList) {
// -no-canonical-prefixes is used very early in main.
Args.ClaimAllArgs(options::OPT_no_canonical_prefixes);
// f(no-)integated-cc1 is also used very early in main.
Args.ClaimAllArgs(options::OPT_fintegrated_cc1);
Args.ClaimAllArgs(options::OPT_fno_integrated_cc1);
// Ignore -pipe.
Args.ClaimAllArgs(options::OPT_pipe);

47
contrib/llvm-project/clang/tools/driver/driver.cpp
View File

@ -258,27 +258,6 @@ static void SetBackdoorDriverOutputsFromEnvVars(Driver &TheDriver) {
TheDriver.CCLogDiagnostics = !!::getenv("CC_LOG_DIAGNOSTICS");
if (TheDriver.CCLogDiagnostics)
TheDriver.CCLogDiagnosticsFilename = ::getenv("CC_LOG_DIAGNOSTICS_FILE");
// Whether the cc1 tool should be called inside the current process, or if we
// should spawn a new clang process (old behavior).
// Not having an additional process saves some execution time of Windows,
// and makes debugging easier.
bool UseNewCC1Process = CLANG_SPAWN_CC1;
StringRef SpawnCC1Str = ::getenv("CLANG_SPAWN_CC1");
if (!SpawnCC1Str.empty()) {
if (SpawnCC1Str != "0" && SpawnCC1Str != "1") {
llvm::errs() << "error: the value of the environment variable "
"CLANG_SPAWN_CC1 must be either 0 or 1.\n";
::exit(1);
}
UseNewCC1Process = SpawnCC1Str[0] - '0';
}
if (!UseNewCC1Process) {
TheDriver.CC1Main = &ExecuteCC1Tool;
// Ensure the CC1Command actually catches cc1 crashes
llvm::CrashRecoveryContext::Enable();
}
}
static void FixupDiagPrefixExeName(TextDiagnosticPrinter *DiagClient,
@ -294,7 +273,7 @@ static void FixupDiagPrefixExeName(TextDiagnosticPrinter *DiagClient,
// This lets us create the DiagnosticsEngine with a properly-filled-out
// DiagnosticOptions instance.
static DiagnosticOptions *
CreateAndPopulateDiagOpts(ArrayRef<const char *> argv) {
CreateAndPopulateDiagOpts(ArrayRef<const char *> argv, bool &UseNewCC1Process) {
auto *DiagOpts = new DiagnosticOptions;
unsigned MissingArgIndex, MissingArgCount;
InputArgList Args = getDriverOptTable().ParseArgs(
@ -303,6 +282,12 @@ CreateAndPopulateDiagOpts(ArrayRef<const char *> argv) {
// Any errors that would be diagnosed here will also be diagnosed later,
// when the DiagnosticsEngine actually exists.
(void)ParseDiagnosticArgs(*DiagOpts, Args);
UseNewCC1Process =
Args.hasFlag(clang::driver::options::OPT_fno_integrated_cc1,
clang::driver::options::OPT_fintegrated_cc1,
/*Default=*/CLANG_SPAWN_CC1);
return DiagOpts;
}
@ -330,7 +315,7 @@ static void SetInstallDir(SmallVectorImpl<const char *> &argv,
static int ExecuteCC1Tool(ArrayRef<const char *> argv) {
// If we call the cc1 tool from the clangDriver library (through
// Driver::CC1Main), we need to cleanup the options usage count. The options
// Driver::CC1Main), we need to clean up the options usage count. The options
// are currently global, and they might have been used previously by the
// driver.
llvm::cl::ResetAllOptionOccurrences();
@ -413,6 +398,8 @@ int main(int argc_, const char **argv_) {
return ExecuteCC1Tool(argv);
}
// Handle options that need handling before the real command line parsing in
// Driver::BuildCompilation()
bool CanonicalPrefixes = true;
for (int i = 1, size = argv.size(); i < size; ++i) {
// Skip end-of-line response file markers
@ -457,8 +444,14 @@ int main(int argc_, const char **argv_) {
std::string Path = GetExecutablePath(argv[0], CanonicalPrefixes);
// Whether the cc1 tool should be called inside the current process, or if we
// should spawn a new clang subprocess (old behavior).
// Not having an additional process saves some execution time of Windows,
// and makes debugging and profiling easier.
bool UseNewCC1Process;
IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts =
CreateAndPopulateDiagOpts(argv);
CreateAndPopulateDiagOpts(argv, UseNewCC1Process);
TextDiagnosticPrinter *DiagClient
= new TextDiagnosticPrinter(llvm::errs(), &*DiagOpts);
@ -486,6 +479,12 @@ int main(int argc_, const char **argv_) {
SetBackdoorDriverOutputsFromEnvVars(TheDriver);
if (!UseNewCC1Process) {
TheDriver.CC1Main = &ExecuteCC1Tool;
// Ensure the CC1Command actually catches cc1 crashes
llvm::CrashRecoveryContext::Enable();
}
std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(argv));
int Res = 1;
if (C && !C->containsError()) {