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Differential D53960

[COFF, ARM64] Implement llvm.addressofreturnaddress intrinsic
ClosedPublic

Authored by mgrang on Oct 31 2018, 5:40 PM.

Details

Reviewers
rnk
mstorsjo
efriedma
TomTan

Diff Detail

Revision Contents

PathSize
include/
clang/
Basic/
1 line
lib/
CodeGen/
5 lines
test/
CodeGen/
2 lines

Diff 172067

include/clang/Basic/BuiltinsAArch64.def

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TARGET_HEADER_BUILTIN(_InterlockedAnd64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_InterlockedAnd64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_InterlockedDecrement64, "LLiLLiD*", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_InterlockedDecrement64, "LLiLLiD*", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_InterlockedExchange64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_InterlockedExchange64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_InterlockedExchangeAdd64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_InterlockedExchangeAdd64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_InterlockedExchangeSub64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_InterlockedExchangeSub64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_InterlockedIncrement64, "LLiLLiD*", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_InterlockedIncrement64, "LLiLLiD*", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_InterlockedOr64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_InterlockedOr64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_InterlockedXor64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_InterlockedXor64, "LLiLLiD*LLi", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_AddressOfReturnAddress, "v*", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_ReadWriteBarrier, "v", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_ReadWriteBarrier, "v", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(__getReg, "ULLii", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(__getReg, "ULLii", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_ReadStatusReg, "ii", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_ReadStatusReg, "ii", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(_WriteStatusReg, "vii", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_WriteStatusReg, "vii", "nh", "intrin.h", ALL_MS_LANGUAGES, "")
#undef BUILTIN #undef BUILTIN
#undef LANGBUILTIN #undef LANGBUILTIN
#undef TARGET_HEADER_BUILTIN #undef TARGET_HEADER_BUILTIN

lib/CodeGen/CGBuiltin.cpp

  • This file is larger than 256 KB, so syntax highlighting is disabled by default.
Show First 20 Lines • Show All 6,734 Lines • ▼ Show 20 Lines if (BuiltinID == AArch64::BI_ReadStatusReg ||
llvm::Value *F = CGM.getIntrinsic(llvm::Intrinsic::write_register, Types); llvm::Value *F = CGM.getIntrinsic(llvm::Intrinsic::write_register, Types);
llvm::Value *ArgValue = EmitScalarExpr(E->getArg(1)); llvm::Value *ArgValue = EmitScalarExpr(E->getArg(1));
ArgValue = Builder.CreateZExt(ArgValue, RegisterType); ArgValue = Builder.CreateZExt(ArgValue, RegisterType);
return Builder.CreateCall(F, { Metadata, ArgValue }); return Builder.CreateCall(F, { Metadata, ArgValue });
} }
if (BuiltinID == AArch64::BI_AddressOfReturnAddress) {
llvm::Value *F = CGM.getIntrinsic(Intrinsic::addressofreturnaddress);
return Builder.CreateCall(F);
}
// Find out if any arguments are required to be integer constant // Find out if any arguments are required to be integer constant
// expressions. // expressions.
unsigned ICEArguments = 0; unsigned ICEArguments = 0;
ASTContext::GetBuiltinTypeError Error; ASTContext::GetBuiltinTypeError Error;
getContext().GetBuiltinType(BuiltinID, Error, &ICEArguments); getContext().GetBuiltinType(BuiltinID, Error, &ICEArguments);
assert(Error == ASTContext::GE_None && "Should not codegen an error"); assert(Error == ASTContext::GE_None && "Should not codegen an error");
llvm::SmallVector<Value*, 4> Ops; llvm::SmallVector<Value*, 4> Ops;
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test/CodeGen/ms-intrinsics.c

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void *test_ReturnAddress() { void *test_ReturnAddress() {
return _ReturnAddress(); return _ReturnAddress();
} }
// CHECK-LABEL: define{{.*}}i8* @test_ReturnAddress() // CHECK-LABEL: define{{.*}}i8* @test_ReturnAddress()
// CHECK: = tail call i8* @llvm.returnaddress(i32 0) // CHECK: = tail call i8* @llvm.returnaddress(i32 0)
// CHECK: ret i8* // CHECK: ret i8*
#if defined(__i386__) || defined(__x86_64__) #if defined(__i386__) || defined(__x86_64__) || defined (__aarch64__)
void *test_AddressOfReturnAddress() { void *test_AddressOfReturnAddress() {
return _AddressOfReturnAddress(); return _AddressOfReturnAddress();
} }
// CHECK-INTEL-LABEL: define dso_local i8* @test_AddressOfReturnAddress() // CHECK-INTEL-LABEL: define dso_local i8* @test_AddressOfReturnAddress()
// CHECK-INTEL: = tail call i8* @llvm.addressofreturnaddress() // CHECK-INTEL: = tail call i8* @llvm.addressofreturnaddress()
// CHECK-INTEL: ret i8* // CHECK-INTEL: ret i8*
#endif #endif
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