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-rw-r--r--contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp220
1 files changed, 92 insertions, 128 deletions
diff --git a/contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp b/contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp
index 55925110708e..778d4df3c2e9 100644
--- a/contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp
+++ b/contrib/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp
@@ -35,6 +35,7 @@
#include "llvm/IR/LLVMRemarkStreamer.h"
#include "llvm/IR/Module.h"
#include "llvm/IRReader/IRReader.h"
+#include "llvm/LTO/LTOBackend.h"
#include "llvm/Linker/Linker.h"
#include "llvm/Pass.h"
#include "llvm/Support/MemoryBuffer.h"
@@ -121,6 +122,8 @@ namespace clang {
/// can happen when Clang plugins trigger additional AST deserialization.
bool IRGenFinished = false;
+ bool TimerIsEnabled = false;
+
std::unique_ptr<CodeGenerator> Gen;
SmallVector<LinkModule, 4> LinkModules;
@@ -135,8 +138,7 @@ namespace clang {
const PreprocessorOptions &PPOpts,
const CodeGenOptions &CodeGenOpts,
const TargetOptions &TargetOpts,
- const LangOptions &LangOpts, bool TimePasses,
- const std::string &InFile,
+ const LangOptions &LangOpts, const std::string &InFile,
SmallVector<LinkModule, 4> LinkModules,
std::unique_ptr<raw_pwrite_stream> OS, LLVMContext &C,
CoverageSourceInfo *CoverageInfo = nullptr)
@@ -148,8 +150,9 @@ namespace clang {
Gen(CreateLLVMCodeGen(Diags, InFile, HeaderSearchOpts, PPOpts,
CodeGenOpts, C, CoverageInfo)),
LinkModules(std::move(LinkModules)) {
- FrontendTimesIsEnabled = TimePasses;
- llvm::TimePassesIsEnabled = TimePasses;
+ TimerIsEnabled = CodeGenOpts.TimePasses;
+ llvm::TimePassesIsEnabled = CodeGenOpts.TimePasses;
+ llvm::TimePassesPerRun = CodeGenOpts.TimePassesPerRun;
}
// This constructor is used in installing an empty BackendConsumer
@@ -160,7 +163,7 @@ namespace clang {
const PreprocessorOptions &PPOpts,
const CodeGenOptions &CodeGenOpts,
const TargetOptions &TargetOpts,
- const LangOptions &LangOpts, bool TimePasses,
+ const LangOptions &LangOpts,
SmallVector<LinkModule, 4> LinkModules, LLVMContext &C,
CoverageSourceInfo *CoverageInfo = nullptr)
: Diags(Diags), Action(Action), HeaderSearchOpts(HeaderSearchOpts),
@@ -171,8 +174,9 @@ namespace clang {
Gen(CreateLLVMCodeGen(Diags, "", HeaderSearchOpts, PPOpts,
CodeGenOpts, C, CoverageInfo)),
LinkModules(std::move(LinkModules)) {
- FrontendTimesIsEnabled = TimePasses;
- llvm::TimePassesIsEnabled = TimePasses;
+ TimerIsEnabled = CodeGenOpts.TimePasses;
+ llvm::TimePassesIsEnabled = CodeGenOpts.TimePasses;
+ llvm::TimePassesPerRun = CodeGenOpts.TimePassesPerRun;
}
llvm::Module *getModule() const { return Gen->GetModule(); }
std::unique_ptr<llvm::Module> takeModule() {
@@ -190,12 +194,12 @@ namespace clang {
Context = &Ctx;
- if (FrontendTimesIsEnabled)
+ if (TimerIsEnabled)
LLVMIRGeneration.startTimer();
Gen->Initialize(Ctx);
- if (FrontendTimesIsEnabled)
+ if (TimerIsEnabled)
LLVMIRGeneration.stopTimer();
}
@@ -205,7 +209,7 @@ namespace clang {
"LLVM IR generation of declaration");
// Recurse.
- if (FrontendTimesIsEnabled) {
+ if (TimerIsEnabled) {
LLVMIRGenerationRefCount += 1;
if (LLVMIRGenerationRefCount == 1)
LLVMIRGeneration.startTimer();
@@ -213,7 +217,7 @@ namespace clang {
Gen->HandleTopLevelDecl(D);
- if (FrontendTimesIsEnabled) {
+ if (TimerIsEnabled) {
LLVMIRGenerationRefCount -= 1;
if (LLVMIRGenerationRefCount == 0)
LLVMIRGeneration.stopTimer();
@@ -226,12 +230,12 @@ namespace clang {
PrettyStackTraceDecl CrashInfo(D, SourceLocation(),
Context->getSourceManager(),
"LLVM IR generation of inline function");
- if (FrontendTimesIsEnabled)
+ if (TimerIsEnabled)
LLVMIRGeneration.startTimer();
Gen->HandleInlineFunctionDefinition(D);
- if (FrontendTimesIsEnabled)
+ if (TimerIsEnabled)
LLVMIRGeneration.stopTimer();
}
@@ -245,8 +249,13 @@ namespace clang {
bool LinkInModules() {
for (auto &LM : LinkModules) {
if (LM.PropagateAttrs)
- for (Function &F : *LM.Module)
+ for (Function &F : *LM.Module) {
+ // Skip intrinsics. Keep consistent with how intrinsics are created
+ // in LLVM IR.
+ if (F.isIntrinsic())
+ continue;
Gen->CGM().addDefaultFunctionDefinitionAttributes(F);
+ }
CurLinkModule = LM.Module.get();
@@ -274,7 +283,7 @@ namespace clang {
{
llvm::TimeTraceScope TimeScope("Frontend");
PrettyStackTraceString CrashInfo("Per-file LLVM IR generation");
- if (FrontendTimesIsEnabled) {
+ if (TimerIsEnabled) {
LLVMIRGenerationRefCount += 1;
if (LLVMIRGenerationRefCount == 1)
LLVMIRGeneration.startTimer();
@@ -282,7 +291,7 @@ namespace clang {
Gen->HandleTranslationUnit(C);
- if (FrontendTimesIsEnabled) {
+ if (TimerIsEnabled) {
LLVMIRGenerationRefCount -= 1;
if (LLVMIRGenerationRefCount == 0)
LLVMIRGeneration.stopTimer();
@@ -398,9 +407,6 @@ namespace clang {
bool StackSizeDiagHandler(const llvm::DiagnosticInfoStackSize &D);
/// Specialized handler for unsupported backend feature diagnostic.
void UnsupportedDiagHandler(const llvm::DiagnosticInfoUnsupported &D);
- /// Specialized handler for misexpect warnings.
- /// Note that misexpect remarks are emitted through ORE
- void MisExpectDiagHandler(const llvm::DiagnosticInfoMisExpect &D);
/// Specialized handlers for optimization remarks.
/// Note that these handlers only accept remarks and they always handle
/// them.
@@ -668,36 +674,6 @@ void BackendConsumer::UnsupportedDiagHandler(
<< Filename << Line << Column;
}
-void BackendConsumer::MisExpectDiagHandler(
- const llvm::DiagnosticInfoMisExpect &D) {
- StringRef Filename;
- unsigned Line, Column;
- bool BadDebugInfo = false;
- FullSourceLoc Loc;
- std::string Msg;
- raw_string_ostream MsgStream(Msg);
- DiagnosticPrinterRawOStream DP(MsgStream);
-
- // Context will be nullptr for IR input files, we will construct the diag
- // message from llvm::DiagnosticInfoMisExpect.
- if (Context != nullptr) {
- Loc = getBestLocationFromDebugLoc(D, BadDebugInfo, Filename, Line, Column);
- MsgStream << D.getMsg();
- } else {
- DiagnosticPrinterRawOStream DP(MsgStream);
- D.print(DP);
- }
- Diags.Report(Loc, diag::warn_profile_data_misexpect) << MsgStream.str();
-
- if (BadDebugInfo)
- // If we were not able to translate the file:line:col information
- // back to a SourceLocation, at least emit a note stating that
- // we could not translate this location. This can happen in the
- // case of #line directives.
- Diags.Report(Loc, diag::note_fe_backend_invalid_loc)
- << Filename << Line << Column;
-}
-
void BackendConsumer::EmitOptimizationMessage(
const llvm::DiagnosticInfoOptimizationBase &D, unsigned DiagID) {
// We only support warnings and remarks.
@@ -875,9 +851,6 @@ void BackendConsumer::DiagnosticHandlerImpl(const DiagnosticInfo &DI) {
case llvm::DK_Unsupported:
UnsupportedDiagHandler(cast<DiagnosticInfoUnsupported>(DI));
return;
- case llvm::DK_MisExpect:
- MisExpectDiagHandler(cast<DiagnosticInfoMisExpect>(DI));
- return;
default:
// Plugin IDs are not bound to any value as they are set dynamically.
ComputeDiagRemarkID(Severity, backend_plugin, DiagID);
@@ -990,17 +963,15 @@ CodeGenAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
CoverageSourceInfo *CoverageInfo = nullptr;
// Add the preprocessor callback only when the coverage mapping is generated.
- if (CI.getCodeGenOpts().CoverageMapping) {
- CoverageInfo = new CoverageSourceInfo;
- CI.getPreprocessor().addPPCallbacks(
- std::unique_ptr<PPCallbacks>(CoverageInfo));
- }
+ if (CI.getCodeGenOpts().CoverageMapping)
+ CoverageInfo = CodeGen::CoverageMappingModuleGen::setUpCoverageCallbacks(
+ CI.getPreprocessor());
std::unique_ptr<BackendConsumer> Result(new BackendConsumer(
BA, CI.getDiagnostics(), CI.getHeaderSearchOpts(),
CI.getPreprocessorOpts(), CI.getCodeGenOpts(), CI.getTargetOpts(),
- CI.getLangOpts(), CI.getFrontendOpts().ShowTimers, std::string(InFile),
- std::move(LinkModules), std::move(OS), *VMContext, CoverageInfo));
+ CI.getLangOpts(), std::string(InFile), std::move(LinkModules),
+ std::move(OS), *VMContext, CoverageInfo));
BEConsumer = Result.get();
// Enable generating macro debug info only when debug info is not disabled and
@@ -1063,7 +1034,7 @@ CodeGenAction::loadModule(MemoryBufferRef MBRef) {
Expected<std::vector<BitcodeModule>> BMsOrErr = getBitcodeModuleList(MBRef);
if (!BMsOrErr)
return DiagErrors(BMsOrErr.takeError());
- BitcodeModule *Bm = FindThinLTOModule(*BMsOrErr);
+ BitcodeModule *Bm = llvm::lto::findThinLTOModule(*BMsOrErr);
// We have nothing to do if the file contains no ThinLTO module. This is
// possible if ThinLTO compilation was not able to split module. Content of
// the file was already processed by indexing and will be passed to the
@@ -1107,81 +1078,74 @@ CodeGenAction::loadModule(MemoryBufferRef MBRef) {
}
void CodeGenAction::ExecuteAction() {
- // If this is an IR file, we have to treat it specially.
- if (getCurrentFileKind().getLanguage() == Language::LLVM_IR) {
- BackendAction BA = static_cast<BackendAction>(Act);
- CompilerInstance &CI = getCompilerInstance();
- auto &CodeGenOpts = CI.getCodeGenOpts();
- auto &Diagnostics = CI.getDiagnostics();
- std::unique_ptr<raw_pwrite_stream> OS =
- GetOutputStream(CI, getCurrentFile(), BA);
- if (BA != Backend_EmitNothing && !OS)
- return;
-
- bool Invalid;
- SourceManager &SM = CI.getSourceManager();
- FileID FID = SM.getMainFileID();
- const llvm::MemoryBuffer *MainFile = SM.getBuffer(FID, &Invalid);
- if (Invalid)
- return;
+ if (getCurrentFileKind().getLanguage() != Language::LLVM_IR) {
+ this->ASTFrontendAction::ExecuteAction();
+ return;
+ }
- TheModule = loadModule(*MainFile);
- if (!TheModule)
- return;
+ // If this is an IR file, we have to treat it specially.
+ BackendAction BA = static_cast<BackendAction>(Act);
+ CompilerInstance &CI = getCompilerInstance();
+ auto &CodeGenOpts = CI.getCodeGenOpts();
+ auto &Diagnostics = CI.getDiagnostics();
+ std::unique_ptr<raw_pwrite_stream> OS =
+ GetOutputStream(CI, getCurrentFile(), BA);
+ if (BA != Backend_EmitNothing && !OS)
+ return;
- const TargetOptions &TargetOpts = CI.getTargetOpts();
- if (TheModule->getTargetTriple() != TargetOpts.Triple) {
- Diagnostics.Report(SourceLocation(),
- diag::warn_fe_override_module)
- << TargetOpts.Triple;
- TheModule->setTargetTriple(TargetOpts.Triple);
- }
+ SourceManager &SM = CI.getSourceManager();
+ FileID FID = SM.getMainFileID();
+ Optional<MemoryBufferRef> MainFile = SM.getBufferOrNone(FID);
+ if (!MainFile)
+ return;
- EmbedBitcode(TheModule.get(), CodeGenOpts,
- MainFile->getMemBufferRef());
-
- LLVMContext &Ctx = TheModule->getContext();
- Ctx.setInlineAsmDiagnosticHandler(BitcodeInlineAsmDiagHandler,
- &Diagnostics);
-
- // Set clang diagnostic handler. To do this we need to create a fake
- // BackendConsumer.
- BackendConsumer Result(BA, CI.getDiagnostics(), CI.getHeaderSearchOpts(),
- CI.getPreprocessorOpts(), CI.getCodeGenOpts(),
- CI.getTargetOpts(), CI.getLangOpts(),
- CI.getFrontendOpts().ShowTimers,
- std::move(LinkModules), *VMContext, nullptr);
- // PR44896: Force DiscardValueNames as false. DiscardValueNames cannot be
- // true here because the valued names are needed for reading textual IR.
- Ctx.setDiscardValueNames(false);
- Ctx.setDiagnosticHandler(
- std::make_unique<ClangDiagnosticHandler>(CodeGenOpts, &Result));
-
- Expected<std::unique_ptr<llvm::ToolOutputFile>> OptRecordFileOrErr =
- setupLLVMOptimizationRemarks(
- Ctx, CodeGenOpts.OptRecordFile, CodeGenOpts.OptRecordPasses,
- CodeGenOpts.OptRecordFormat, CodeGenOpts.DiagnosticsWithHotness,
- CodeGenOpts.DiagnosticsHotnessThreshold);
-
- if (Error E = OptRecordFileOrErr.takeError()) {
- reportOptRecordError(std::move(E), Diagnostics, CodeGenOpts);
- return;
- }
- std::unique_ptr<llvm::ToolOutputFile> OptRecordFile =
- std::move(*OptRecordFileOrErr);
+ TheModule = loadModule(*MainFile);
+ if (!TheModule)
+ return;
- EmitBackendOutput(Diagnostics, CI.getHeaderSearchOpts(), CodeGenOpts,
- TargetOpts, CI.getLangOpts(),
- CI.getTarget().getDataLayout(), TheModule.get(), BA,
- std::move(OS));
+ const TargetOptions &TargetOpts = CI.getTargetOpts();
+ if (TheModule->getTargetTriple() != TargetOpts.Triple) {
+ Diagnostics.Report(SourceLocation(), diag::warn_fe_override_module)
+ << TargetOpts.Triple;
+ TheModule->setTargetTriple(TargetOpts.Triple);
+ }
- if (OptRecordFile)
- OptRecordFile->keep();
+ EmbedBitcode(TheModule.get(), CodeGenOpts, *MainFile);
+
+ LLVMContext &Ctx = TheModule->getContext();
+ Ctx.setInlineAsmDiagnosticHandler(BitcodeInlineAsmDiagHandler, &Diagnostics);
+
+ // Set clang diagnostic handler. To do this we need to create a fake
+ // BackendConsumer.
+ BackendConsumer Result(BA, CI.getDiagnostics(), CI.getHeaderSearchOpts(),
+ CI.getPreprocessorOpts(), CI.getCodeGenOpts(),
+ CI.getTargetOpts(), CI.getLangOpts(),
+ std::move(LinkModules), *VMContext, nullptr);
+ // PR44896: Force DiscardValueNames as false. DiscardValueNames cannot be
+ // true here because the valued names are needed for reading textual IR.
+ Ctx.setDiscardValueNames(false);
+ Ctx.setDiagnosticHandler(
+ std::make_unique<ClangDiagnosticHandler>(CodeGenOpts, &Result));
+
+ Expected<std::unique_ptr<llvm::ToolOutputFile>> OptRecordFileOrErr =
+ setupLLVMOptimizationRemarks(
+ Ctx, CodeGenOpts.OptRecordFile, CodeGenOpts.OptRecordPasses,
+ CodeGenOpts.OptRecordFormat, CodeGenOpts.DiagnosticsWithHotness,
+ CodeGenOpts.DiagnosticsHotnessThreshold);
+
+ if (Error E = OptRecordFileOrErr.takeError()) {
+ reportOptRecordError(std::move(E), Diagnostics, CodeGenOpts);
return;
}
-
- // Otherwise follow the normal AST path.
- this->ASTFrontendAction::ExecuteAction();
+ std::unique_ptr<llvm::ToolOutputFile> OptRecordFile =
+ std::move(*OptRecordFileOrErr);
+
+ EmitBackendOutput(Diagnostics, CI.getHeaderSearchOpts(), CodeGenOpts,
+ TargetOpts, CI.getLangOpts(),
+ CI.getTarget().getDataLayout(), TheModule.get(), BA,
+ std::move(OS));
+ if (OptRecordFile)
+ OptRecordFile->keep();
}
//
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-13 09:07:24 +0000