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Merged
Parent: PR for llvm/llvm-project#55130
merged 1 commit into from
Feb 9, 2022
Merged

PR for llvm/llvm-project#53604 #7

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34 changes: 34 additions & 0 deletions clang/lib/CodeGen/TargetInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -9474,6 +9474,28 @@ class SparcV8TargetCodeGenInfo : public TargetCodeGenInfo {
public:
SparcV8TargetCodeGenInfo(CodeGenTypes &CGT)
: TargetCodeGenInfo(std::make_unique<SparcV8ABIInfo>(CGT)) {}

llvm::Value *decodeReturnAddress(CodeGen::CodeGenFunction &CGF,
llvm::Value *Address) const override {
int Offset;
if (isAggregateTypeForABI(CGF.CurFnInfo->getReturnType()))
Offset = 12;
else
Offset = 8;
return CGF.Builder.CreateGEP(CGF.Int8Ty, Address,
llvm::ConstantInt::get(CGF.Int32Ty, Offset));
}

llvm::Value *encodeReturnAddress(CodeGen::CodeGenFunction &CGF,
llvm::Value *Address) const override {
int Offset;
if (isAggregateTypeForABI(CGF.CurFnInfo->getReturnType()))
Offset = -12;
else
Offset = -8;
return CGF.Builder.CreateGEP(CGF.Int8Ty, Address,
llvm::ConstantInt::get(CGF.Int32Ty, Offset));
}
};
} // end anonymous namespace

Expand Down Expand Up @@ -9748,6 +9770,18 @@ class SparcV9TargetCodeGenInfo : public TargetCodeGenInfo {

bool initDwarfEHRegSizeTable(CodeGen::CodeGenFunction &CGF,
llvm::Value *Address) const override;

llvm::Value *decodeReturnAddress(CodeGen::CodeGenFunction &CGF,
llvm::Value *Address) const override {
return CGF.Builder.CreateGEP(CGF.Int8Ty, Address,
llvm::ConstantInt::get(CGF.Int32Ty, 8));
}

llvm::Value *encodeReturnAddress(CodeGen::CodeGenFunction &CGF,
llvm::Value *Address) const override {
return CGF.Builder.CreateGEP(CGF.Int8Ty, Address,
llvm::ConstantInt::get(CGF.Int32Ty, -8));
}
};
} // end anonymous namespace

Expand Down
25 changes: 22 additions & 3 deletions clang/test/CodeGen/builtins-sparc.c
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Original file line number Diff line number Diff line change
@@ -1,10 +1,29 @@
// REQUIRES: sparc-registered-target
// RUN: %clang_cc1 -triple sparc-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -triple sparc64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -triple sparc64-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix CHECK-V9 %s

void test_eh_return_data_regno(void)
{
volatile int res;
res = __builtin_eh_return_data_regno(0); // CHECK: store volatile i32 24
res = __builtin_eh_return_data_regno(1); // CHECK: store volatile i32 25
res = __builtin_eh_return_data_regno(0); // CHECK,CHECKV9: store volatile i32 24
res = __builtin_eh_return_data_regno(1); // CHECK,CHECKV9: store volatile i32 25
}

void *test_extract_return_address(void)
{
// CHECK,CHECKV9: getelementptr i8, i8* %0, i32 8
return __builtin_extract_return_addr(__builtin_return_address(0));
}

struct s {
void *p;
};

struct s test_extract_struct_return_address(void)
{
struct s s;
// CHECK: getelementptr i8, i8* %0, i32 12
// CHECK-V9: getelementptr i8, i8* %0, i32 8
s.p = __builtin_extract_return_addr(__builtin_return_address(0));
return s;
}