[SystemZ] Support Swift calling convention
Summary:
Port rL265324 to SystemZ to allow using the 'swiftcall' attribute on that architecture.
Depends on D19414.
Reviewers: kbarton, rjmccall, uweigand
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D19432
llvm-svn: 267879
diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
index 4512f70..08d6741 100644
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -5713,12 +5713,12 @@
namespace {
-class SystemZABIInfo : public ABIInfo {
+class SystemZABIInfo : public SwiftABIInfo {
bool HasVector;
public:
SystemZABIInfo(CodeGenTypes &CGT, bool HV)
- : ABIInfo(CGT), HasVector(HV) {}
+ : SwiftABIInfo(CGT), HasVector(HV) {}
bool isPromotableIntegerType(QualType Ty) const;
bool isCompoundType(QualType Ty) const;
@@ -5738,6 +5738,12 @@
Address EmitVAArg(CodeGenFunction &CGF, Address VAListAddr,
QualType Ty) const override;
+
+ bool shouldPassIndirectlyForSwift(CharUnits totalSize,
+ ArrayRef<llvm::Type*> scalars,
+ bool asReturnValue) const override {
+ return occupiesMoreThan(CGT, scalars, /*total*/ 4);
+ }
};
class SystemZTargetCodeGenInfo : public TargetCodeGenInfo {