ro updated this revision to Diff 404939.
ro added a comment.
Herald added a subscriber: jrtc27.
- Use `CreateGEP`
- Add testcase
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D91607/new/
https://reviews.llvm.org/D91607
Files:
clang/lib/CodeGen/TargetInfo.cpp
clang/test/CodeGen/builtins-sparc.c
Index: clang/test/CodeGen/builtins-sparc.c
===================================================================
--- clang/test/CodeGen/builtins-sparc.c
+++ clang/test/CodeGen/builtins-sparc.c
@@ -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;
+}
Index: clang/lib/CodeGen/TargetInfo.cpp
===================================================================
--- clang/lib/CodeGen/TargetInfo.cpp
+++ clang/lib/CodeGen/TargetInfo.cpp
@@ -9472,6 +9472,28 @@
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
@@ -9746,6 +9768,18 @@
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
Index: clang/test/CodeGen/builtins-sparc.c
===================================================================
--- clang/test/CodeGen/builtins-sparc.c
+++ clang/test/CodeGen/builtins-sparc.c
@@ -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;
+}
Index: clang/lib/CodeGen/TargetInfo.cpp
===================================================================
--- clang/lib/CodeGen/TargetInfo.cpp
+++ clang/lib/CodeGen/TargetInfo.cpp
@@ -9472,6 +9472,28 @@
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
@@ -9746,6 +9768,18 @@
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
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