Support Swift calling convention for PPC64 targets
This adds basic support for the Swift calling convention with PPC64 targets.
Patch provided by Atul Sowani in bug report #37223
llvm-svn: 333316
diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
index 4e25c72..3ec0055 100644
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -4287,7 +4287,7 @@
namespace {
/// PPC64_SVR4_ABIInfo - The 64-bit PowerPC ELF (SVR4) ABI information.
-class PPC64_SVR4_ABIInfo : public ABIInfo {
+class PPC64_SVR4_ABIInfo : public SwiftABIInfo {
public:
enum ABIKind {
ELFv1 = 0,
@@ -4331,7 +4331,7 @@
public:
PPC64_SVR4_ABIInfo(CodeGen::CodeGenTypes &CGT, ABIKind Kind, bool HasQPX,
bool SoftFloatABI)
- : ABIInfo(CGT), Kind(Kind), HasQPX(HasQPX),
+ : SwiftABIInfo(CGT), Kind(Kind), HasQPX(HasQPX),
IsSoftFloatABI(SoftFloatABI) {}
bool isPromotableTypeForABI(QualType Ty) const;
@@ -4374,6 +4374,15 @@
Address EmitVAArg(CodeGenFunction &CGF, Address VAListAddr,
QualType Ty) const override;
+
+ bool shouldPassIndirectlyForSwift(ArrayRef<llvm::Type*> scalars,
+ bool asReturnValue) const override {
+ return occupiesMoreThan(CGT, scalars, /*total*/ 4);
+ }
+
+ bool isSwiftErrorInRegister() const override {
+ return false;
+ }
};
class PPC64_SVR4_TargetCodeGenInfo : public TargetCodeGenInfo {