Do not add "byval" attribute to records with non-trivial copy constructors
and destructors in the DefaultABIInfo.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143601 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp
index 2bd341c..2c93249 100644
--- a/lib/CodeGen/TargetInfo.cpp
+++ b/lib/CodeGen/TargetInfo.cpp
@@ -339,8 +339,14 @@
}
ABIArgInfo DefaultABIInfo::classifyArgumentType(QualType Ty) const {
- if (isAggregateTypeForABI(Ty))
+ if (isAggregateTypeForABI(Ty)) {
+ // Records with non trivial destructors/constructors should not be passed
+ // by value.
+ if (isRecordWithNonTrivialDestructorOrCopyConstructor(Ty))
+ return ABIArgInfo::getIndirect(0, /*ByVal=*/false);
+
return ABIArgInfo::getIndirect(0);
+ }
// Treat an enum type as its underlying type.
if (const EnumType *EnumTy = Ty->getAs<EnumType>())