Author: bwilson
Date: Fri May 25 14:26:03 2018
New Revision: 333316
URL: http://llvm.org/viewvc/llvm-project?rev=333316&view=rev
Log:
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
Modified:
cfe/trunk/lib/Basic/Targets/PPC.h
cfe/trunk/lib/CodeGen/TargetInfo.cpp
Modified: cfe/trunk/lib/Basic/Targets/PPC.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets/PPC.h?rev=333316&r1=333315&r2=333316&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets/PPC.h (original)
+++ cfe/trunk/lib/Basic/Targets/PPC.h Fri May 25 14:26:03 2018
@@ -335,6 +335,15 @@ public:
}
return false;
}
+
+ CallingConvCheckResult checkCallingConvention(CallingConv CC) const override
{
+ switch (CC) {
+ case CC_Swift:
+ return CCCR_OK;
+ default:
+ return CCCR_Warning;
+ }
+ }
};
class LLVM_LIBRARY_VISIBILITY DarwinPPC32TargetInfo
Modified: cfe/trunk/lib/CodeGen/TargetInfo.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/TargetInfo.cpp?rev=333316&r1=333315&r2=333316&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/TargetInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/TargetInfo.cpp Fri May 25 14:26:03 2018
@@ -4287,7 +4287,7 @@ PPC32TargetCodeGenInfo::initDwarfEHRegSi
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 @@ private:
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 @@ public:
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 {
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