summaryrefslogtreecommitdiffstats
path: root/lib/Frontend/CompilerInstance.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Frontend/CompilerInstance.cpp')
-rw-r--r--lib/Frontend/CompilerInstance.cpp107
1 files changed, 48 insertions, 59 deletions
diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp
index f666745354..9c70a70ed7 100644
--- a/lib/Frontend/CompilerInstance.cpp
+++ b/lib/Frontend/CompilerInstance.cpp
@@ -1,9 +1,8 @@
//===--- CompilerInstance.cpp ---------------------------------------------===//
//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
@@ -14,7 +13,6 @@
#include "clang/Basic/CharInfo.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/FileManager.h"
-#include "clang/Basic/MemoryBufferCache.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/Stack.h"
#include "clang/Basic/TargetInfo.h"
@@ -36,6 +34,7 @@
#include "clang/Sema/Sema.h"
#include "clang/Serialization/ASTReader.h"
#include "clang/Serialization/GlobalModuleIndex.h"
+#include "clang/Serialization/InMemoryModuleCache.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Support/BuryPointer.h"
#include "llvm/Support/CrashRecoveryContext.h"
@@ -47,6 +46,7 @@
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/Signals.h"
+#include "llvm/Support/TimeProfiler.h"
#include "llvm/Support/Timer.h"
#include "llvm/Support/raw_ostream.h"
#include <sys/stat.h>
@@ -58,15 +58,12 @@ using namespace clang;
CompilerInstance::CompilerInstance(
std::shared_ptr<PCHContainerOperations> PCHContainerOps,
- MemoryBufferCache *SharedPCMCache)
- : ModuleLoader(/* BuildingModule = */ SharedPCMCache),
+ InMemoryModuleCache *SharedModuleCache)
+ : ModuleLoader(/* BuildingModule = */ SharedModuleCache),
Invocation(new CompilerInvocation()),
- PCMCache(SharedPCMCache ? SharedPCMCache : new MemoryBufferCache),
- ThePCHContainerOperations(std::move(PCHContainerOps)) {
- // Don't allow this to invalidate buffers in use by others.
- if (SharedPCMCache)
- getPCMCache().finalizeCurrentBuffers();
-}
+ ModuleCache(SharedModuleCache ? SharedModuleCache
+ : new InMemoryModuleCache),
+ ThePCHContainerOperations(std::move(PCHContainerOps)) {}
CompilerInstance::~CompilerInstance() {
assert(OutputFiles.empty() && "Still output files in flight?");
@@ -93,10 +90,6 @@ void CompilerInstance::setAuxTarget(TargetInfo *Value) { AuxTarget = Value; }
void CompilerInstance::setFileManager(FileManager *Value) {
FileMgr = Value;
- if (Value)
- VirtualFileSystem = Value->getVirtualFileSystem();
- else
- VirtualFileSystem.reset();
}
void CompilerInstance::setSourceManager(SourceManager *Value) {
@@ -137,7 +130,7 @@ IntrusiveRefCntPtr<ASTReader> CompilerInstance::getModuleManager() const {
return ModuleManager;
}
void CompilerInstance::setModuleManager(IntrusiveRefCntPtr<ASTReader> Reader) {
- assert(PCMCache.get() == &Reader->getModuleManager().getPCMCache() &&
+ assert(ModuleCache.get() == &Reader->getModuleManager().getModuleCache() &&
"Expected ASTReader to use the same PCM cache");
ModuleManager = std::move(Reader);
}
@@ -177,7 +170,7 @@ static void collectIncludePCH(CompilerInstance &CI,
std::error_code EC;
SmallString<128> DirNative;
llvm::sys::path::native(PCHDir->getName(), DirNative);
- llvm::vfs::FileSystem &FS = *FileMgr.getVirtualFileSystem();
+ llvm::vfs::FileSystem &FS = FileMgr.getVirtualFileSystem();
SimpleASTReaderListener Validator(CI.getPreprocessor());
for (llvm::vfs::directory_iterator Dir = FS.dir_begin(DirNative, EC), DirEnd;
Dir != DirEnd && !EC; Dir.increment(EC)) {
@@ -301,13 +294,14 @@ CompilerInstance::createDiagnostics(DiagnosticOptions *Opts,
// File Manager
-FileManager *CompilerInstance::createFileManager() {
- if (!hasVirtualFileSystem()) {
- IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS =
- createVFSFromCompilerInvocation(getInvocation(), getDiagnostics());
- setVirtualFileSystem(VFS);
- }
- FileMgr = new FileManager(getFileSystemOpts(), VirtualFileSystem);
+FileManager *CompilerInstance::createFileManager(
+ IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS) {
+ if (!VFS)
+ VFS = FileMgr ? &FileMgr->getVirtualFileSystem()
+ : createVFSFromCompilerInvocation(getInvocation(),
+ getDiagnostics());
+ assert(VFS && "FileManager has no VFS?");
+ FileMgr = new FileManager(getFileSystemOpts(), std::move(VFS));
return FileMgr.get();
}
@@ -379,11 +373,11 @@ void CompilerInstance::createPreprocessor(TranslationUnitKind TUKind) {
HeaderSearch *HeaderInfo =
new HeaderSearch(getHeaderSearchOptsPtr(), getSourceManager(),
getDiagnostics(), getLangOpts(), &getTarget());
- PP = std::make_shared<Preprocessor>(
- Invocation->getPreprocessorOptsPtr(), getDiagnostics(), getLangOpts(),
- getSourceManager(), getPCMCache(), *HeaderInfo, *this,
- /*IdentifierInfoLookup=*/nullptr,
- /*OwnsHeaderSearch=*/true, TUKind);
+ PP = std::make_shared<Preprocessor>(Invocation->getPreprocessorOptsPtr(),
+ getDiagnostics(), getLangOpts(),
+ getSourceManager(), *HeaderInfo, *this,
+ /*IdentifierInfoLookup=*/nullptr,
+ /*OwnsHeaderSearch=*/true, TUKind);
getTarget().adjust(getLangOpts());
PP->Initialize(getTarget(), getAuxTarget());
@@ -490,19 +484,17 @@ void CompilerInstance::createPCHExternalASTSource(
bool Preamble = getPreprocessorOpts().PrecompiledPreambleBytes.first != 0;
ModuleManager = createPCHExternalASTSource(
Path, getHeaderSearchOpts().Sysroot, DisablePCHValidation,
- AllowPCHWithCompilerErrors, getPreprocessor(), getASTContext(),
- getPCHContainerReader(),
- getFrontendOpts().ModuleFileExtensions,
- TheDependencyFileGenerator.get(),
- DependencyCollectors,
- DeserializationListener,
- OwnDeserializationListener, Preamble,
- getFrontendOpts().UseGlobalModuleIndex);
+ AllowPCHWithCompilerErrors, getPreprocessor(), getModuleCache(),
+ getASTContext(), getPCHContainerReader(),
+ getFrontendOpts().ModuleFileExtensions, TheDependencyFileGenerator.get(),
+ DependencyCollectors, DeserializationListener, OwnDeserializationListener,
+ Preamble, getFrontendOpts().UseGlobalModuleIndex);
}
IntrusiveRefCntPtr<ASTReader> CompilerInstance::createPCHExternalASTSource(
StringRef Path, StringRef Sysroot, bool DisablePCHValidation,
- bool AllowPCHWithCompilerErrors, Preprocessor &PP, ASTContext &Context,
+ bool AllowPCHWithCompilerErrors, Preprocessor &PP,
+ InMemoryModuleCache &ModuleCache, ASTContext &Context,
const PCHContainerReader &PCHContainerRdr,
ArrayRef<std::shared_ptr<ModuleFileExtension>> Extensions,
DependencyFileGenerator *DependencyFile,
@@ -512,7 +504,7 @@ IntrusiveRefCntPtr<ASTReader> CompilerInstance::createPCHExternalASTSource(
HeaderSearchOptions &HSOpts = PP.getHeaderSearchInfo().getHeaderSearchOpts();
IntrusiveRefCntPtr<ASTReader> Reader(new ASTReader(
- PP, &Context, PCHContainerRdr, Extensions,
+ PP, ModuleCache, &Context, PCHContainerRdr, Extensions,
Sysroot.empty() ? "" : Sysroot.data(), DisablePCHValidation,
AllowPCHWithCompilerErrors, /*AllowConfigurationMismatch*/ false,
HSOpts.ModulesValidateSystemHeaders, UseGlobalModuleIndex));
@@ -593,12 +585,6 @@ void CompilerInstance::createCodeCompletionConsumer() {
setCodeCompletionConsumer(nullptr);
return;
}
-
- if (CompletionConsumer->isOutputBinary() &&
- llvm::sys::ChangeStdoutToBinary()) {
- getPreprocessor().getDiagnostics().Report(diag::err_fe_stdout_binary);
- setCodeCompletionConsumer(nullptr);
- }
}
void CompilerInstance::createFrontendTimer() {
@@ -929,6 +915,9 @@ bool CompilerInstance::ExecuteAction(FrontendAction &Act) {
// Adjust target options based on codegen options.
getTarget().adjustTargetOptions(getCodeGenOpts(), getTargetOpts());
+ if (auto *Aux = getAuxTarget())
+ getTarget().setAuxTarget(Aux);
+
// rewriter project will change target built-in bool type from its default.
if (getFrontendOpts().ProgramAction == frontend::RewriteObjC)
getTarget().noSignedCharForObjCBool();
@@ -1031,6 +1020,8 @@ compileModuleImpl(CompilerInstance &ImportingInstance, SourceLocation ImportLoc,
[](CompilerInstance &) {},
llvm::function_ref<void(CompilerInstance &)> PostBuildStep =
[](CompilerInstance &) {}) {
+ llvm::TimeTraceScope TimeScope("Module Compile", ModuleName);
+
// Construct a compiler invocation for creating this module.
auto Invocation =
std::make_shared<CompilerInvocation>(ImportingInstance.getInvocation());
@@ -1092,11 +1083,11 @@ compileModuleImpl(CompilerInstance &ImportingInstance, SourceLocation ImportLoc,
Invocation->getModuleHash() && "Module hash mismatch!");
// Construct a compiler instance that will be used to actually create the
- // module. Since we're sharing a PCMCache,
+ // module. Since we're sharing an in-memory module cache,
// CompilerInstance::CompilerInstance is responsible for finalizing the
// buffers to prevent use-after-frees.
CompilerInstance Instance(ImportingInstance.getPCHContainerOperations(),
- &ImportingInstance.getPreprocessor().getPCMCache());
+ &ImportingInstance.getModuleCache());
auto &Inv = *Invocation;
Instance.setInvocation(std::move(Invocation));
@@ -1104,8 +1095,6 @@ compileModuleImpl(CompilerInstance &ImportingInstance, SourceLocation ImportLoc,
ImportingInstance.getDiagnosticClient()),
/*ShouldOwnClient=*/true);
- Instance.setVirtualFileSystem(&ImportingInstance.getVirtualFileSystem());
-
// Note that this module is part of the module build stack, so that we
// can detect cycles in the module graph.
Instance.setFileManager(&ImportingInstance.getFileManager());
@@ -1253,7 +1242,7 @@ static bool compileAndLoadModule(CompilerInstance &ImportingInstance,
llvm::LockFileManager Locked(ModuleFileName);
switch (Locked) {
case llvm::LockFileManager::LFS_Error:
- // PCMCache takes care of correctness and locks are only necessary for
+ // ModuleCache takes care of correctness and locks are only necessary for
// performance. Fallback to building the module in case of any lock
// related errors.
Diags.Report(ModuleNameLoc, diag::remark_module_lock_failure)
@@ -1280,9 +1269,9 @@ static bool compileAndLoadModule(CompilerInstance &ImportingInstance,
case llvm::LockFileManager::Res_OwnerDied:
continue; // try again to get the lock.
case llvm::LockFileManager::Res_Timeout:
- // Since PCMCache takes care of correctness, we try waiting for another
- // process to complete the build so clang does not do it done twice. If
- // case of timeout, build it ourselves.
+ // Since ModuleCache takes care of correctness, we try waiting for
+ // another process to complete the build so clang does not do it done
+ // twice. If case of timeout, build it ourselves.
Diags.Report(ModuleNameLoc, diag::remark_module_lock_timeout)
<< Module->Name;
// Clear the lock file so that future invocations can make progress.
@@ -1480,14 +1469,13 @@ void CompilerInstance::createModuleManager() {
"Reading modules",
*FrontendTimerGroup);
ModuleManager = new ASTReader(
- getPreprocessor(), &getASTContext(), getPCHContainerReader(),
- getFrontendOpts().ModuleFileExtensions,
+ getPreprocessor(), getModuleCache(), &getASTContext(),
+ getPCHContainerReader(), getFrontendOpts().ModuleFileExtensions,
Sysroot.empty() ? "" : Sysroot.c_str(), PPOpts.DisablePCHValidation,
/*AllowASTWithCompilerErrors=*/false,
/*AllowConfigurationMismatch=*/false,
HSOpts.ModulesValidateSystemHeaders,
- getFrontendOpts().UseGlobalModuleIndex,
- std::move(ReadTimer));
+ getFrontendOpts().UseGlobalModuleIndex, std::move(ReadTimer));
if (hasASTConsumer()) {
ModuleManager->setDeserializationListener(
getASTConsumer().GetASTDeserializationListener());
@@ -1710,6 +1698,7 @@ CompilerInstance::loadModule(SourceLocation ImportLoc,
Timer.init("loading." + ModuleFileName, "Loading " + ModuleFileName,
*FrontendTimerGroup);
llvm::TimeRegion TimeLoading(FrontendTimerGroup ? &Timer : nullptr);
+ llvm::TimeTraceScope TimeScope("Module Load", ModuleName);
// Try to load the module file. If we are not trying to load from the
// module cache, we don't know how to rebuild modules.
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-14 05:14:15 +0000