[clang] [X86] Allow XOP rotate intrinsics to be used in constexpr (PR #157643)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,c -- clang/lib/Headers/xopintrin.h clang/test/CodeGen/X86/xop-builtins.c
``````````

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``````````diff
diff --git a/clang/lib/Headers/xopintrin.h b/clang/lib/Headers/xopintrin.h
index aba632f94..40915402f 100644
--- a/clang/lib/Headers/xopintrin.h
+++ b/clang/lib/Headers/xopintrin.h
@@ -209,26 +209,22 @@ _mm_perm_epi8(__m128i __A, __m128i __B, __m128i __C)
 }
 
 static __inline__ __m128i __DEFAULT_FN_ATTRS_CONSTEXPR
-_mm_rot_epi8(__m128i __A, __m128i __B)
-{
+_mm_rot_epi8(__m128i __A, __m128i __B) {
   return (__m128i)__builtin_elementwise_fshl((__v16qu)__A, (__v16qu)__A, (__v16qu)__B);
 }
 
 static __inline__ __m128i __DEFAULT_FN_ATTRS_CONSTEXPR
-_mm_rot_epi16(__m128i __A, __m128i __B)
-{
+_mm_rot_epi16(__m128i __A, __m128i __B) {
   return (__m128i)__builtin_elementwise_fshl((__v8hu)__A, (__v8hu)__A, (__v8hu)__B);
 }
 
 static __inline__ __m128i __DEFAULT_FN_ATTRS_CONSTEXPR
-_mm_rot_epi32(__m128i __A, __m128i __B)
-{
+_mm_rot_epi32(__m128i __A, __m128i __B) {
   return (__m128i)__builtin_elementwise_fshl((__v4su)__A, (__v4su)__A, (__v4su)__B);
 }
 
 static __inline__ __m128i __DEFAULT_FN_ATTRS_CONSTEXPR
-_mm_rot_epi64(__m128i __A, __m128i __B)
-{
+_mm_rot_epi64(__m128i __A, __m128i __B) {
   return (__m128i)__builtin_elementwise_fshl((__v2du)__A, (__v2du)__A, (__v2du)__B);
 }
 

``````````

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https://github.com/llvm/llvm-project/pull/157643