CodeGen: _Atomic(_Complex) shouldn't crash
We could be a little kinder if we did a compare-exchange loop instead of
an atomic-load/store pair.
llvm-svn: 229212
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index ead8531..cf23e6d 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -820,10 +820,14 @@
return EmitObjCIsaExpr(cast<ObjCIsaExpr>(E));
case Expr::BinaryOperatorClass:
return EmitBinaryOperatorLValue(cast<BinaryOperator>(E));
- case Expr::CompoundAssignOperatorClass:
- if (!E->getType()->isAnyComplexType())
+ case Expr::CompoundAssignOperatorClass: {
+ QualType Ty = E->getType();
+ if (const AtomicType *AT = Ty->getAs<AtomicType>())
+ Ty = AT->getValueType();
+ if (!Ty->isAnyComplexType())
return EmitCompoundAssignmentLValue(cast<CompoundAssignOperator>(E));
return EmitComplexCompoundAssignmentLValue(cast<CompoundAssignOperator>(E));
+ }
case Expr::CallExprClass:
case Expr::CXXMemberCallExprClass:
case Expr::CXXOperatorCallExprClass: