From be0e78e017d5efd72c39a3221888f7026c02b5ba Mon Sep 17 00:00:00 2001 From: Mandeep Singh Grang Date: Thu, 1 Nov 2018 01:35:34 +0000 Subject: [PATCH] [COFF, ARM64] Implement llvm.addressofreturnaddress intrinsic llvm-svn: 345808 --- clang/include/clang/Basic/BuiltinsAArch64.def | 1 + clang/lib/CodeGen/CGBuiltin.cpp | 5 +++++ clang/test/CodeGen/ms-intrinsics.c | 2 +- 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/clang/include/clang/Basic/BuiltinsAArch64.def b/clang/include/clang/Basic/BuiltinsAArch64.def index 4bf9a70..44630d4 100644 --- a/clang/include/clang/Basic/BuiltinsAArch64.def +++ b/clang/include/clang/Basic/BuiltinsAArch64.def @@ -121,6 +121,7 @@ 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(_ReadStatusReg, "ii", "nh", "intrin.h", ALL_MS_LANGUAGES, "") TARGET_HEADER_BUILTIN(_WriteStatusReg, "vii", "nh", "intrin.h", ALL_MS_LANGUAGES, "") +TARGET_HEADER_BUILTIN(_AddressOfReturnAddress, "v*", "nh", "intrin.h", ALL_MS_LANGUAGES, "") #undef BUILTIN #undef LANGBUILTIN diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index 4beffd0..c67db26 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -6770,6 +6770,11 @@ Value *CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID, 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 // expressions. unsigned ICEArguments = 0; diff --git a/clang/test/CodeGen/ms-intrinsics.c b/clang/test/CodeGen/ms-intrinsics.c index e8253f4..51e4616 100644 --- a/clang/test/CodeGen/ms-intrinsics.c +++ b/clang/test/CodeGen/ms-intrinsics.c @@ -137,7 +137,7 @@ void *test_ReturnAddress() { // CHECK: = tail call i8* @llvm.returnaddress(i32 0) // CHECK: ret i8* -#if defined(__i386__) || defined(__x86_64__) +#if defined(__i386__) || defined(__x86_64__) || defined (__aarch64__) void *test_AddressOfReturnAddress() { return _AddressOfReturnAddress(); } -- 2.7.4