diff options
Diffstat (limited to 'lib/Frontend/CompilerInstance.cpp')
| -rw-r--r-- | lib/Frontend/CompilerInstance.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp index 212a1cf9f2..e3eb859153 100644 --- a/lib/Frontend/CompilerInstance.cpp +++ b/lib/Frontend/CompilerInstance.cpp @@ -251,10 +251,12 @@ void CompilerInstance::createPCHExternalASTSource(llvm::StringRef Path, bool DisablePCHValidation, void *DeserializationListener){ llvm::OwningPtr<ExternalASTSource> Source; + bool Preamble = getPreprocessorOpts().PrecompiledPreambleBytes.first != 0; Source.reset(createPCHExternalASTSource(Path, getHeaderSearchOpts().Sysroot, DisablePCHValidation, getPreprocessor(), getASTContext(), - DeserializationListener)); + DeserializationListener, + Preamble)); getASTContext().setExternalSource(Source); } @@ -264,7 +266,8 @@ CompilerInstance::createPCHExternalASTSource(llvm::StringRef Path, bool DisablePCHValidation, Preprocessor &PP, ASTContext &Context, - void *DeserializationListener) { + void *DeserializationListener, + bool Preamble) { llvm::OwningPtr<ASTReader> Reader; Reader.reset(new ASTReader(PP, &Context, Sysroot.empty() ? 0 : Sysroot.c_str(), @@ -272,7 +275,8 @@ CompilerInstance::createPCHExternalASTSource(llvm::StringRef Path, Reader->setDeserializationListener( static_cast<ASTDeserializationListener *>(DeserializationListener)); - switch (Reader->ReadAST(Path)) { + switch (Reader->ReadAST(Path, + Preamble ? ASTReader::Preamble : ASTReader::PCH)) { case ASTReader::Success: // Set the predefines buffer as suggested by the PCH reader. Typically, the // predefines buffer will be empty. |