[clang] [Headers][X86] Enable constexpr handling for MMX/SSE sitofp/uitofp helper cvt intrinsics (PR #153017)

[via cfe-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions h,c -- clang/lib/Headers/xmmintrin.h clang/test/CodeGen/X86/mmx-builtins.c
``````````

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/clang/lib/Headers/xmmintrin.h b/clang/lib/Headers/xmmintrin.h
index e3c280b1c..256900761 100644
--- a/clang/lib/Headers/xmmintrin.h
+++ b/clang/lib/Headers/xmmintrin.h
@@ -1690,8 +1690,7 @@ _mm_cvtsi64_ss(__m128 __a, long long __b) {
 ///    converted value of the second operand. The upper 64 bits are copied from
 ///    the upper 64 bits of the first operand.
 static __inline__ __m128 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
-_mm_cvtpi32_ps(__m128 __a, __m64 __b)
-{
+_mm_cvtpi32_ps(__m128 __a, __m64 __b) {
   return (__m128)__builtin_shufflevector(
       (__v4sf)__a,
       __builtin_convertvector((__v4si)__zext128(__b), __v4sf),
@@ -1716,8 +1715,7 @@ _mm_cvtpi32_ps(__m128 __a, __m64 __b)
 ///    converted value from the second operand. The upper 64 bits are copied
 ///    from the upper 64 bits of the first operand.
 static __inline__ __m128 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
-_mm_cvt_pi2ps(__m128 __a, __m64 __b)
-{
+_mm_cvt_pi2ps(__m128 __a, __m64 __b) {
   return _mm_cvtpi32_ps(__a, __b);
 }
 
@@ -2875,8 +2873,7 @@ _mm_movelh_ps(__m128 __a, __m128 __b) {
 /// \returns A 128-bit vector of [4 x float] containing the copied and converted
 ///    values from the operand.
 static __inline__ __m128 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
-_mm_cvtpi16_ps(__m64 __a)
-{
+_mm_cvtpi16_ps(__m64 __a) {
   return __builtin_convertvector((__v4hi)__a, __v4sf);
 }
 
@@ -2893,8 +2890,7 @@ _mm_cvtpi16_ps(__m64 __a)
 /// \returns A 128-bit vector of [4 x float] containing the copied and converted
 ///    values from the operand.
 static __inline__ __m128 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
-_mm_cvtpu16_ps(__m64 __a)
-{
+_mm_cvtpu16_ps(__m64 __a) {
   return __builtin_convertvector((__v4hu)__a, __v4sf);
 }
 
@@ -2911,8 +2907,7 @@ _mm_cvtpu16_ps(__m64 __a)
 /// \returns A 128-bit vector of [4 x float] containing the copied and converted
 ///    values from the operand.
 static __inline__ __m128 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
-_mm_cvtpi8_ps(__m64 __a)
-{
+_mm_cvtpi8_ps(__m64 __a) {
   return __builtin_convertvector(
       __builtin_shufflevector((__v8qs)__a, __extension__ (__v8qs){},
                               0, 1, 2, 3), __v4sf);
@@ -2932,8 +2927,7 @@ _mm_cvtpi8_ps(__m64 __a)
 /// \returns A 128-bit vector of [4 x float] containing the copied and converted
 ///    values from the source operand.
 static __inline__ __m128 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
-_mm_cvtpu8_ps(__m64 __a)
-{
+_mm_cvtpu8_ps(__m64 __a) {
   return __builtin_convertvector(
       __builtin_shufflevector((__v8qu)__a, __extension__ (__v8qu){},
                               0, 1, 2, 3), __v4sf);
@@ -2956,8 +2950,7 @@ _mm_cvtpu8_ps(__m64 __a)
 ///    copied and converted values from the first operand. The upper 64 bits
 ///    contain the copied and converted values from the second operand.
 static __inline__ __m128 __DEFAULT_FN_ATTRS_SSE2_CONSTEXPR
-_mm_cvtpi32x2_ps(__m64 __a, __m64 __b)
-{
+_mm_cvtpi32x2_ps(__m64 __a, __m64 __b) {
   return __builtin_convertvector(
       __builtin_shufflevector((__v2si)__a, (__v2si)__b,
                               0, 1, 2, 3), __v4sf);

``````````

</details>


https://github.com/llvm/llvm-project/pull/153017