Support for C1x _Atomic specifier (see testcase). This is primarily being committed at the moment to help support C++0x <atomic>, but it should be a solid base for implementing the full specification of C1x _Atomic.

Thanks to Jeffrey Yasskin for the thorough review!



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141330 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index cda7d2cc2a..361c3b79ca 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -3526,6 +3526,15 @@ QualType ASTReader::readTypeRecord(unsigned Index) {
     const_cast<Type*>(T.getTypePtr())->setDependent(IsDependent);
     return T;
   }
+
+  case TYPE_ATOMIC: {
+    if (Record.size() != 1) {
+      Error("Incorrect encoding of atomic type");
+      return QualType();
+    }
+    QualType ValueType = readType(*Loc.F, Record, Idx);
+    return Context.getAtomicType(ValueType);
+  }
   }
   // Suppress a GCC warning
   return QualType();
@@ -3760,6 +3769,11 @@ void TypeLocReader::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) {
 void TypeLocReader::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) {
   TL.setStarLoc(ReadSourceLocation(Record, Idx));
 }
+void TypeLocReader::VisitAtomicTypeLoc(AtomicTypeLoc TL) {
+  TL.setKWLoc(ReadSourceLocation(Record, Idx));
+  TL.setLParenLoc(ReadSourceLocation(Record, Idx));
+  TL.setRParenLoc(ReadSourceLocation(Record, Idx));
+}
 
 TypeSourceInfo *ASTReader::GetTypeSourceInfo(Module &F,
                                              const RecordData &Record,