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[SystemZ] Support Swift calling convention #13

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[SystemZ] Support Swift calling convention #13

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10 changes: 10 additions & 0 deletions lib/Basic/Targets.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6271,6 +6271,16 @@ class SystemZTargetInfo : public TargetInfo {
.Default(false);
}

CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
switch (CC) {
case CC_C:
case CC_Swift:
return CCCR_OK;
default:
return CCCR_Warning;
}
}

StringRef getABI() const override {
if (HasVector)
return "vector";
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10 changes: 8 additions & 2 deletions lib/CodeGen/TargetInfo.cpp
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Expand Up @@ -5638,12 +5638,12 @@ void NVPTXTargetCodeGenInfo::addNVVMMetadata(llvm::Function *F, StringRef Name,

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;
Expand All @@ -5663,6 +5663,12 @@ class SystemZABIInfo : public ABIInfo {

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 {
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