r329937 - [X86] Introduce wbinvd intrinsic

[Gabor Buella via cfe-commits]

Author: gbuella
Date: Thu Apr 12 11:42:02 2018
New Revision: 329937

URL: http://llvm.org/viewvc/llvm-project?rev=329937&view=rev
Log:
[X86] Introduce wbinvd intrinsic

A previously missing intrinsic for an old instruction.

Reviewers: craig.topper, echristo

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D45311

Added:
    cfe/trunk/test/CodeGen/builtin-wbinvd.c   (with props)
Modified:
    cfe/trunk/include/clang/Basic/BuiltinsX86.def
    cfe/trunk/lib/Headers/ia32intrin.h

Modified: cfe/trunk/include/clang/Basic/BuiltinsX86.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/BuiltinsX86.def?rev=329937&r1=329936&r2=329937&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/BuiltinsX86.def (original)
+++ cfe/trunk/include/clang/Basic/BuiltinsX86.def Thu Apr 12 11:42:02 2018
@@ -679,7 +679,8 @@ TARGET_BUILTIN(__builtin_ia32_clflushopt
 //CLWB
 TARGET_BUILTIN(__builtin_ia32_clwb, "vvC*", "", "clwb")
 
-//WBNOINVD
+//WB[NO]INVD
+TARGET_BUILTIN(__builtin_ia32_wbinvd, "v", "", "")
 TARGET_BUILTIN(__builtin_ia32_wbnoinvd, "v", "", "wbnoinvd")
 
 // ADX

Modified: cfe/trunk/lib/Headers/ia32intrin.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/ia32intrin.h?rev=329937&r1=329936&r2=329937&view=diff
==============================================================================
--- cfe/trunk/lib/Headers/ia32intrin.h (original)
+++ cfe/trunk/lib/Headers/ia32intrin.h Thu Apr 12 11:42:02 2018
@@ -70,4 +70,9 @@ __rdtscp(unsigned int *__A) {
 
 #define _rdpmc(A) __rdpmc(A)
 
+static __inline__ void __attribute__((__always_inline__, __nodebug__))
+_wbinvd(void) {
+  return __builtin_ia32_wbinvd();
+}
+
 #endif /* __IA32INTRIN_H */

Added: cfe/trunk/test/CodeGen/builtin-wbinvd.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtin-wbinvd.c?rev=329937&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/builtin-wbinvd.c (added)
+++ cfe/trunk/test/CodeGen/builtin-wbinvd.c Thu Apr 12 11:42:02 2018
@@ -0,0 +1,10 @@
+// RUN: %clang_cc1 %s -ffreestanding -triple=x86_64-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s
+// RUN: %clang_cc1 %s -ffreestanding -triple=i386-unknown-unknown -emit-llvm -o - -Wall -Werror | FileCheck %s
+
+#include <x86intrin.h>
+
+void test_wbinvd(void) {
+  //CHECK-LABEL: @test_wbinvd
+  //CHECK: call void @llvm.x86.wbinvd()
+  _wbinvd();
+}

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