PCH support for record decls/types and their fields. Now that we can

handle the definition of __builtin_va_list on x86-64, eliminate the
forced -triple in PCH tests to get better coverage.

llvm-svn: 68988

1 files changed, 19 insertions, 0 deletions

diff --git a/clang/lib/Frontend/PCHWriter.cpp b/clang/lib/Frontend/PCHWriter.cpp
index 2ba8e9eeb61..6758a506998 100644
--- a/clang/lib/Frontend/PCHWriter.cpp
+++ b/clang/lib/Frontend/PCHWriter.cpp
@@ -254,8 +254,10 @@ namespace {
     void VisitTypedefDecl(TypedefDecl *D);
     void VisitTagDecl(TagDecl *D);
     void VisitEnumDecl(EnumDecl *D);
+    void VisitRecordDecl(RecordDecl *D);
     void VisitValueDecl(ValueDecl *D);
     void VisitEnumConstantDecl(EnumConstantDecl *D);
+    void VisitFieldDecl(FieldDecl *D);
     void VisitVarDecl(VarDecl *D);
     void VisitDeclContext(DeclContext *DC, uint64_t LexicalOffset, 
                           uint64_t VisibleOffset);
@@ -306,6 +308,13 @@ void PCHDeclWriter::VisitEnumDecl(EnumDecl *D) {
   Code = pch::DECL_ENUM;
 }
 
+void PCHDeclWriter::VisitRecordDecl(RecordDecl *D) {
+  VisitTagDecl(D);
+  Record.push_back(D->hasFlexibleArrayMember());
+  Record.push_back(D->isAnonymousStructOrUnion());
+  Code = pch::DECL_RECORD;
+}
+
 void PCHDeclWriter::VisitValueDecl(ValueDecl *D) {
   VisitNamedDecl(D);
   Writer.AddTypeRef(D->getType(), Record);
@@ -318,6 +327,13 @@ void PCHDeclWriter::VisitEnumConstantDecl(EnumConstantDecl *D) {
   Code = pch::DECL_ENUM_CONSTANT;
 }
 
+void PCHDeclWriter::VisitFieldDecl(FieldDecl *D) {
+  VisitValueDecl(D);
+  Record.push_back(D->isMutable());
+  // FIXME: Writer.AddExprRef(D->getBitWidth());
+  Code = pch::DECL_FIELD;
+}
+
 void PCHDeclWriter::VisitVarDecl(VarDecl *D) {
   VisitValueDecl(D);
   Record.push_back(D->getStorageClass());
@@ -798,6 +814,9 @@ uint64_t PCHWriter::WriteDeclContextVisibleBlock(ASTContext &Context,
   uint64_t Offset = S.GetCurrentBitNo();
   RecordData Record;
   StoredDeclsMap *Map = static_cast<StoredDeclsMap*>(DC->getLookupPtr());
+  if (!Map)
+    return 0;
+
   for (StoredDeclsMap::iterator D = Map->begin(), DEnd = Map->end();
        D != DEnd; ++D) {
     AddDeclarationName(D->first, Record);