Make tbm-builtins.c as X86 specific unit test

[sgundapa]

Summary

This unit test need not be true on all the targets.

[echristo]

This is fine. One inline comment.

-eric

test/CodeGen/tbm-builtins.c

2–3 ↗

(On Diff #40824)

Go ahead and put the REQUIRES underneath the FIXME and add a note to the effect that the REQUIRES can be removed when the FIXME is complete.

[sgundapa]

Merged this as r253887

cfe/trunk/test/CodeGen/tbm-builtins.c

 // RUN: %clang_cc1 %s -O3 -triple=x86_64-unknown-unknown -target-feature +tbm -emit-llvm -o - | FileCheck %s
 // FIXME: The code generation checks for add/sub and/or are depending on the optimizer.
+// The REQUIRES keyword will be removed when the FIXME is complete.
+// REQUIRES: x86-registered-target
 
 // Don't include mm_malloc.h, it's system specific.
 #define __MM_MALLOC_H
 
 #include <x86intrin.h>
 
 unsigned int test__bextri_u32(unsigned int a) {
   // CHECK: call i32 @llvm.x86.tbm.bextri.u32