2 files changed, 53 insertions, 0 deletions
diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index 3dcc62ebc1..fcf09b7bd5 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -142,6 +142,7 @@ PCHValidator::ReadLanguageOptions(const LangOptions &LangOpts) {
   PARSE_LANGOPT_BENIGN(CatchUndefined);
   PARSE_LANGOPT_IMPORTANT(ElideConstructors, diag::warn_pch_elide_constructors);
   PARSE_LANGOPT_BENIGN(SpellChecking);
+  PARSE_LANGOPT_BENIGN(DefaultFPContract);
 #undef PARSE_LANGOPT_IMPORTANT
 #undef PARSE_LANGOPT_BENIGN
 
@@ -2304,6 +2305,16 @@ ASTReader::ReadASTBlock(PerFileData &F) {
           PP->getHeaderSearchInfo().SetExternalSource(this);
       }
       break;
+
+    case FP_PRAGMA_OPTIONS:
+      // Later tables overwrite earlier ones.
+      FPPragmaOptions.swap(Record);
+      break;
+
+    case OPENCL_EXTENSIONS:
+      // Later tables overwrite earlier ones.
+      OpenCLExtensions.swap(Record);
+      break;
     }
     First = false;
   }
@@ -2818,6 +2829,7 @@ bool ASTReader::ParseLanguageOptions(
     PARSE_LANGOPT(OpenCL);
     PARSE_LANGOPT(CUDA);
     PARSE_LANGOPT(CatchUndefined);
+    PARSE_LANGOPT(DefaultFPContract);
     // FIXME: Missing ElideConstructors?!
   #undef PARSE_LANGOPT
 
@@ -4106,6 +4118,19 @@ void ASTReader::InitializeSema(Sema &S) {
       SemaObj->VTablesUsed[Class] = DefinitionRequired;
     }
   }
+
+  if (!FPPragmaOptions.empty()) {
+    assert(FPPragmaOptions.size() == 1 && "Wrong number of FP_PRAGMA_OPTIONS");
+    SemaObj->FPFeatures.fp_contract = FPPragmaOptions[0];
+  }
+
+  if (!OpenCLExtensions.empty()) {
+    unsigned I = 0;
+#define OPENCLEXT(nm)  SemaObj->OpenCLFeatures.nm = OpenCLExtensions[I++];
+#include "clang/Basic/OpenCLExtensions.def"
+
+    assert(OpenCLExtensions.size() == I && "Wrong number of OPENCL_EXTENSIONS");
+  }
 }
 
 IdentifierInfo* ASTReader::get(const char *NameStart, const char *NameEnd) {
diff --git a/lib/Serialization/ASTWriter.cpp b/lib/Serialization/ASTWriter.cpp
index cb29973105..d46ddf8f2f 100644
--- a/lib/Serialization/ASTWriter.cpp
+++ b/lib/Serialization/ASTWriter.cpp
@@ -740,7 +740,10 @@ void ASTWriter::WriteBlockInfoBlock() {
   RECORD(DECL_UPDATES);
   RECORD(CXX_BASE_SPECIFIER_OFFSETS);
   RECORD(DIAG_PRAGMA_MAPPINGS);
+  RECORD(CUDA_SPECIAL_DECL_REFS);
   RECORD(HEADER_SEARCH_TABLE);
+  RECORD(FP_PRAGMA_OPTIONS);
+  RECORD(OPENCL_EXTENSIONS);
   
   // SourceManager Block.
   BLOCK(SOURCE_MANAGER_BLOCK);
@@ -1056,6 +1059,7 @@ void ASTWriter::WriteLanguageOptions(const LangOptions &LangOpts) {
   Record.push_back(LangOpts.OpenCL);
   Record.push_back(LangOpts.CUDA);
   Record.push_back(LangOpts.CatchUndefined);
+  Record.push_back(LangOpts.DefaultFPContract);
   Record.push_back(LangOpts.ElideConstructors);
   Record.push_back(LangOpts.SpellChecking);
   Stream.EmitRecord(LANGUAGE_OPTIONS, Record);
@@ -2528,6 +2532,25 @@ void ASTWriter::WriteDeclContextVisibleUpdate(const DeclContext *DC) {
   Stream.EmitRecordWithBlob(UpdateVisibleAbbrev, Record, LookupTable.str());
 }
 
+/// \brief Write an FP_PRAGMA_OPTIONS block for the given FPOptions.
+void ASTWriter::WriteFPPragmaOptions(const FPOptions &Opts) {
+  RecordData Record;
+  Record.push_back(Opts.fp_contract);
+  Stream.EmitRecord(FP_PRAGMA_OPTIONS, Record);
+}
+
+/// \brief Write an OPENCL_EXTENSIONS block for the given OpenCLOptions.
+void ASTWriter::WriteOpenCLExtensions(Sema &SemaRef) {
+  if (!SemaRef.Context.getLangOptions().OpenCL)
+    return;
+
+  const OpenCLOptions &Opts = SemaRef.getOpenCLOptions();
+  RecordData Record;
+#define OPENCLEXT(nm)  Record.push_back(Opts.nm);
+#include "clang/Basic/OpenCLExtensions.def"
+  Stream.EmitRecord(OPENCL_EXTENSIONS, Record);
+}
+
 //===----------------------------------------------------------------------===//
 // General Serialization Routines
 //===----------------------------------------------------------------------===//
@@ -2758,6 +2781,8 @@ void ASTWriter::WriteASTCore(Sema &SemaRef, MemorizeStatCalls *StatCalls,
   WriteSelectors(SemaRef);
   WriteReferencedSelectorsPool(SemaRef);
   WriteIdentifierTable(PP);
+  WriteFPPragmaOptions(SemaRef.getFPOptions());
+  WriteOpenCLExtensions(SemaRef);
 
   WriteTypeDeclOffsets();
   WritePragmaDiagnosticMappings(Context.getDiagnostics());
@@ -2997,6 +3022,9 @@ void ASTWriter::WriteASTChain(Sema &SemaRef, MemorizeStatCalls *StatCalls,
   WriteSelectors(SemaRef);
   WriteReferencedSelectorsPool(SemaRef);
   WriteIdentifierTable(PP);
+  WriteFPPragmaOptions(SemaRef.getFPOptions());
+  WriteOpenCLExtensions(SemaRef);
+
   WriteTypeDeclOffsets();
   // FIXME: For chained PCH only write the new mappings (we currently
   // write all of them again).