r315567 - [COFF, ARM64] Add MS builtins __dmb, __dsb, __isb

[Martin Storsjo via cfe-commits]

Author: mstorsjo
Date: Thu Oct 12 00:05:37 2017
New Revision: 315567

URL: http://llvm.org/viewvc/llvm-project?rev=315567&view=rev
Log:
[COFF, ARM64] Add MS builtins __dmb, __dsb, __isb

Differential Revision: https://reviews.llvm.org/D38821

Added:
    cfe/trunk/test/CodeGen/arm64-microsoft-intrinsics.c
Modified:
    cfe/trunk/include/clang/Basic/BuiltinsAArch64.def
    cfe/trunk/lib/Basic/Targets/AArch64.cpp

Modified: cfe/trunk/include/clang/Basic/BuiltinsAArch64.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsAArch64.def?rev=315567&r1=315566&r2=315567&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsAArch64.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsAArch64.def Thu Oct 12 00:05:37 2017
@@ -14,6 +14,10 @@
 
 // The format of this database matches clang/Basic/Builtins.def.
 
+#if defined(BUILTIN) && !defined(LANGBUILTIN)
+#   define LANGBUILTIN(ID, TYPE, ATTRS, BUILTIN_LANG) BUILTIN(ID, TYPE, ATTRS)
+#endif
+
 // In libgcc
 BUILTIN(__clear_cache, "vv*v*", "i")
 
@@ -61,4 +65,9 @@ BUILTIN(__builtin_arm_wsr, "vcC*Ui", "nc
 BUILTIN(__builtin_arm_wsr64, "vcC*LUi", "nc")
 BUILTIN(__builtin_arm_wsrp, "vcC*vC*", "nc")
 
+LANGBUILTIN(__dmb, "vUi", "nc", ALL_MS_LANGUAGES)
+LANGBUILTIN(__dsb, "vUi", "nc", ALL_MS_LANGUAGES)
+LANGBUILTIN(__isb, "vUi", "nc", ALL_MS_LANGUAGES)
+
 #undef BUILTIN
+#undef LANGBUILTIN

Modified: cfe/trunk/lib/Basic/Targets/AArch64.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets/AArch64.cpp?rev=315567&r1=315566&r2=315567&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets/AArch64.cpp (original)
+++ cfe/trunk/lib/Basic/Targets/AArch64.cpp Thu Oct 12 00:05:37 2017
@@ -27,6 +27,8 @@ const Builtin::Info AArch64TargetInfo::B
 
 #define BUILTIN(ID, TYPE, ATTRS)                                               \
    {#ID, TYPE, ATTRS, nullptr, ALL_LANGUAGES, nullptr},
+#define LANGBUILTIN(ID, TYPE, ATTRS, LANG)                                     \
+  {#ID, TYPE, ATTRS, nullptr, LANG, nullptr},
 #include "clang/Basic/BuiltinsAArch64.def"
 };
 

Added: cfe/trunk/test/CodeGen/arm64-microsoft-intrinsics.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/arm64-microsoft-intrinsics.c?rev=315567&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/arm64-microsoft-intrinsics.c (added)
+++ cfe/trunk/test/CodeGen/arm64-microsoft-intrinsics.c Thu Oct 12 00:05:37 2017
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -triple arm64-windows -fms-compatibility -emit-llvm -o - %s \
+// RUN:    | FileCheck %s -check-prefix CHECK-MSVC
+
+// RUN: not %clang_cc1 -triple arm64-linux -Werror -S -o /dev/null %s 2>&1 \
+// RUN:    | FileCheck %s -check-prefix CHECK-LINUX
+
+void check__dmb(void) {
+  __dmb(0);
+}
+
+// CHECK-MSVC: @llvm.aarch64.dmb(i32 0)
+// CHECK-LINUX: error: implicit declaration of function '__dmb'
+
+void check__dsb(void) {
+  __dsb(0);
+}
+
+// CHECK-MSVC: @llvm.aarch64.dsb(i32 0)
+// CHECK-LINUX: error: implicit declaration of function '__dsb'
+
+void check__isb(void) {
+  __isb(0);
+}
+
+// CHECK-MSVC: @llvm.aarch64.isb(i32 0)
+// CHECK-LINUX: error: implicit declaration of function '__isb'