aboutsummaryrefslogtreecommitdiff
path: root/contrib/llvm-project/clang/lib/CodeGen/ObjectFilePCHContainerOperations.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm-project/clang/lib/CodeGen/ObjectFilePCHContainerOperations.cpp')
-rw-r--r--contrib/llvm-project/clang/lib/CodeGen/ObjectFilePCHContainerOperations.cpp86
1 files changed, 59 insertions, 27 deletions
diff --git a/contrib/llvm-project/clang/lib/CodeGen/ObjectFilePCHContainerOperations.cpp b/contrib/llvm-project/clang/lib/CodeGen/ObjectFilePCHContainerOperations.cpp
index 1adf0ad9c0e5..ee543e40b460 100644
--- a/contrib/llvm-project/clang/lib/CodeGen/ObjectFilePCHContainerOperations.cpp
+++ b/contrib/llvm-project/clang/lib/CodeGen/ObjectFilePCHContainerOperations.cpp
@@ -27,10 +27,10 @@
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
+#include "llvm/MC/TargetRegistry.h"
#include "llvm/Object/COFF.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/Path.h"
-#include "llvm/Support/TargetRegistry.h"
#include <memory>
#include <utility>
@@ -45,6 +45,7 @@ class PCHContainerGenerator : public ASTConsumer {
const std::string OutputFileName;
ASTContext *Ctx;
ModuleMap &MMap;
+ IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS;
const HeaderSearchOptions &HeaderSearchOpts;
const PreprocessorOptions &PreprocessorOpts;
CodeGenOptions CodeGenOpts;
@@ -96,13 +97,17 @@ class PCHContainerGenerator : public ASTConsumer {
}
bool VisitFunctionDecl(FunctionDecl *D) {
+ // Skip deduction guides.
+ if (isa<CXXDeductionGuideDecl>(D))
+ return true;
+
if (isa<CXXMethodDecl>(D))
// This is not yet supported. Constructing the `this' argument
// mandates a CodeGenFunction.
return true;
SmallVector<QualType, 16> ArgTypes;
- for (auto i : D->parameters())
+ for (auto *i : D->parameters())
ArgTypes.push_back(i->getType());
QualType RetTy = D->getReturnType();
QualType FnTy = Ctx.getFunctionType(RetTy, ArgTypes,
@@ -121,7 +126,7 @@ class PCHContainerGenerator : public ASTConsumer {
ArgTypes.push_back(D->getSelfType(Ctx, D->getClassInterface(),
selfIsPseudoStrong, selfIsConsumed));
ArgTypes.push_back(Ctx.getObjCSelType());
- for (auto i : D->parameters())
+ for (auto *i : D->parameters())
ArgTypes.push_back(i->getType());
QualType RetTy = D->getReturnType();
QualType FnTy = Ctx.getFunctionType(RetTy, ArgTypes,
@@ -140,6 +145,7 @@ public:
: Diags(CI.getDiagnostics()), MainFileName(MainFileName),
OutputFileName(OutputFileName), Ctx(nullptr),
MMap(CI.getPreprocessor().getHeaderSearchInfo().getModuleMap()),
+ FS(&CI.getVirtualFileSystem()),
HeaderSearchOpts(CI.getHeaderSearchOpts()),
PreprocessorOpts(CI.getPreprocessorOpts()),
TargetOpts(CI.getTargetOpts()), LangOpts(CI.getLangOpts()),
@@ -152,10 +158,14 @@ public:
// When building a module MainFileName is the name of the modulemap file.
CodeGenOpts.MainFileName =
LangOpts.CurrentModule.empty() ? MainFileName : LangOpts.CurrentModule;
- CodeGenOpts.setDebugInfo(codegenoptions::FullDebugInfo);
+ CodeGenOpts.setDebugInfo(llvm::codegenoptions::FullDebugInfo);
CodeGenOpts.setDebuggerTuning(CI.getCodeGenOpts().getDebuggerTuning());
+ CodeGenOpts.DwarfVersion = CI.getCodeGenOpts().DwarfVersion;
+ CodeGenOpts.DebugCompilationDir =
+ CI.getInvocation().getCodeGenOpts().DebugCompilationDir;
CodeGenOpts.DebugPrefixMap =
CI.getInvocation().getCodeGenOpts().DebugPrefixMap;
+ CodeGenOpts.DebugStrictDwarf = CI.getCodeGenOpts().DebugStrictDwarf;
}
~PCHContainerGenerator() override = default;
@@ -168,7 +178,7 @@ public:
M.reset(new llvm::Module(MainFileName, *VMContext));
M->setDataLayout(Ctx->getTargetInfo().getDataLayoutString());
Builder.reset(new CodeGen::CodeGenModule(
- *Ctx, HeaderSearchOpts, PreprocessorOpts, CodeGenOpts, *M, Diags));
+ *Ctx, FS, HeaderSearchOpts, PreprocessorOpts, CodeGenOpts, *M, Diags));
// Prepare CGDebugInfo to emit debug info for a clang module.
auto *DI = Builder->getModuleDebugInfo();
@@ -264,31 +274,48 @@ public:
std::string Error;
auto Triple = Ctx.getTargetInfo().getTriple();
if (!llvm::TargetRegistry::lookupTarget(Triple.getTriple(), Error))
- llvm::report_fatal_error(Error);
+ llvm::report_fatal_error(llvm::Twine(Error));
// Emit the serialized Clang AST into its own section.
assert(Buffer->IsComplete && "serialization did not complete");
auto &SerializedAST = Buffer->Data;
auto Size = SerializedAST.size();
- auto Int8Ty = llvm::Type::getInt8Ty(*VMContext);
- auto *Ty = llvm::ArrayType::get(Int8Ty, Size);
- auto *Data = llvm::ConstantDataArray::getString(
- *VMContext, StringRef(SerializedAST.data(), Size),
- /*AddNull=*/false);
- auto *ASTSym = new llvm::GlobalVariable(
- *M, Ty, /*constant*/ true, llvm::GlobalVariable::InternalLinkage, Data,
- "__clang_ast");
- // The on-disk hashtable needs to be aligned.
- ASTSym->setAlignment(llvm::Align(8));
-
- // Mach-O also needs a segment name.
- if (Triple.isOSBinFormatMachO())
- ASTSym->setSection("__CLANG,__clangast");
- // COFF has an eight character length limit.
- else if (Triple.isOSBinFormatCOFF())
- ASTSym->setSection("clangast");
- else
- ASTSym->setSection("__clangast");
+
+ if (Triple.isOSBinFormatWasm()) {
+ // Emit __clangast in custom section instead of named data segment
+ // to find it while iterating sections.
+ // This could be avoided if all data segements (the wasm sense) were
+ // represented as their own sections (in the llvm sense).
+ // TODO: https://github.com/WebAssembly/tool-conventions/issues/138
+ llvm::NamedMDNode *MD =
+ M->getOrInsertNamedMetadata("wasm.custom_sections");
+ llvm::Metadata *Ops[2] = {
+ llvm::MDString::get(*VMContext, "__clangast"),
+ llvm::MDString::get(*VMContext,
+ StringRef(SerializedAST.data(), Size))};
+ auto *NameAndContent = llvm::MDTuple::get(*VMContext, Ops);
+ MD->addOperand(NameAndContent);
+ } else {
+ auto Int8Ty = llvm::Type::getInt8Ty(*VMContext);
+ auto *Ty = llvm::ArrayType::get(Int8Ty, Size);
+ auto *Data = llvm::ConstantDataArray::getString(
+ *VMContext, StringRef(SerializedAST.data(), Size),
+ /*AddNull=*/false);
+ auto *ASTSym = new llvm::GlobalVariable(
+ *M, Ty, /*constant*/ true, llvm::GlobalVariable::InternalLinkage,
+ Data, "__clang_ast");
+ // The on-disk hashtable needs to be aligned.
+ ASTSym->setAlignment(llvm::Align(8));
+
+ // Mach-O also needs a segment name.
+ if (Triple.isOSBinFormatMachO())
+ ASTSym->setSection("__CLANG,__clangast");
+ // COFF has an eight character length limit.
+ else if (Triple.isOSBinFormatCOFF())
+ ASTSym->setSection("clangast");
+ else
+ ASTSym->setSection("__clangast");
+ }
LLVM_DEBUG({
// Print the IR for the PCH container to the debug output.
@@ -296,7 +323,7 @@ public:
clang::EmitBackendOutput(
Diags, HeaderSearchOpts, CodeGenOpts, TargetOpts, LangOpts,
Ctx.getTargetInfo().getDataLayoutString(), M.get(),
- BackendAction::Backend_EmitLL,
+ BackendAction::Backend_EmitLL, FS,
std::make_unique<llvm::raw_svector_ostream>(Buffer));
llvm::dbgs() << Buffer;
});
@@ -305,7 +332,7 @@ public:
clang::EmitBackendOutput(Diags, HeaderSearchOpts, CodeGenOpts, TargetOpts,
LangOpts,
Ctx.getTargetInfo().getDataLayoutString(), M.get(),
- BackendAction::Backend_EmitObj, std::move(OS));
+ BackendAction::Backend_EmitObj, FS, std::move(OS));
// Free the memory for the temporary buffer.
llvm::SmallVector<char, 0> Empty;
@@ -325,6 +352,11 @@ ObjectFilePCHContainerWriter::CreatePCHContainerGenerator(
CI, MainFileName, OutputFileName, std::move(OS), Buffer);
}
+ArrayRef<StringRef> ObjectFilePCHContainerReader::getFormats() const {
+ static StringRef Formats[] = {"obj", "raw"};
+ return Formats;
+}
+
StringRef
ObjectFilePCHContainerReader::ExtractPCH(llvm::MemoryBufferRef Buffer) const {
StringRef PCH;
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-29 10:32:45 +0000