r345808 - [COFF, ARM64] Implement llvm.addressofreturnaddress intrinsic

[Mandeep Singh Grang via cfe-commits]

Author: mgrang
Date: Wed Oct 31 18:35:34 2018
New Revision: 345808

URL: http://llvm.org/viewvc/llvm-project?rev=345808&view=rev
Log:
[COFF, ARM64] Implement llvm.addressofreturnaddress intrinsic

Modified:
    cfe/trunk/include/clang/Basic/BuiltinsAArch64.def
    cfe/trunk/lib/CodeGen/CGBuiltin.cpp
    cfe/trunk/test/CodeGen/ms-intrinsics.c

Modified: cfe/trunk/include/clang/Basic/BuiltinsAArch64.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsAArch64.def?rev=345808&r1=345807&r2=345808&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsAArch64.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsAArch64.def Wed Oct 31 18:35:34 2018
@@ -121,6 +121,7 @@ TARGET_HEADER_BUILTIN(_ReadWriteBarrier,
 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

Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=345808&r1=345807&r2=345808&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Wed Oct 31 18:35:34 2018
@@ -6770,6 +6770,11 @@ Value *CodeGenFunction::EmitAArch64Built
     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;

Modified: cfe/trunk/test/CodeGen/ms-intrinsics.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/ms-intrinsics.c?rev=345808&r1=345807&r2=345808&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/ms-intrinsics.c (original)
+++ cfe/trunk/test/CodeGen/ms-intrinsics.c Wed Oct 31 18:35:34 2018
@@ -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();
 }