[clang] [X86] Allow AVX512 512-bit variants of AVX2 per-element i32 shift intrinsics to be used in constexpr (PR #156480)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h,c -- clang/lib/AST/ByteCode/InterpBuiltin.cpp clang/lib/AST/ExprConstant.cpp clang/lib/Headers/avx512fintrin.h clang/test/CodeGen/X86/avx512f-builtins.c
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Headers/avx512fintrin.h b/clang/lib/Headers/avx512fintrin.h
index 18215c192..d3eaaf07d 100644
--- a/clang/lib/Headers/avx512fintrin.h
+++ b/clang/lib/Headers/avx512fintrin.h
@@ -5645,22 +5645,19 @@ _mm512_maskz_sll_epi64(__mmask8 __U, __m512i __A, __m128i __B)
 }
 
 static __inline__ __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
-_mm512_sllv_epi32(__m512i __X, __m512i __Y)
-{
+_mm512_sllv_epi32(__m512i __X, __m512i __Y) {
   return (__m512i)__builtin_ia32_psllv16si((__v16si)__X, (__v16si)__Y);
 }
 
 static __inline__ __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
-_mm512_mask_sllv_epi32(__m512i __W, __mmask16 __U, __m512i __X, __m512i __Y)
-{
+_mm512_mask_sllv_epi32(__m512i __W, __mmask16 __U, __m512i __X, __m512i __Y) {
   return (__m512i)__builtin_ia32_selectd_512((__mmask16)__U,
                                            (__v16si)_mm512_sllv_epi32(__X, __Y),
                                            (__v16si)__W);
 }
 
 static __inline__ __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
-_mm512_maskz_sllv_epi32(__mmask16 __U, __m512i __X, __m512i __Y)
-{
+_mm512_maskz_sllv_epi32(__mmask16 __U, __m512i __X, __m512i __Y) {
   return (__m512i)__builtin_ia32_selectd_512((__mmask16)__U,
                                            (__v16si)_mm512_sllv_epi32(__X, __Y),
                                            (__v16si)_mm512_setzero_si512());
@@ -5733,22 +5730,19 @@ _mm512_maskz_sra_epi64(__mmask8 __U, __m512i __A, __m128i __B)
 }
 
 static __inline__ __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
-_mm512_srav_epi32(__m512i __X, __m512i __Y)
-{
+_mm512_srav_epi32(__m512i __X, __m512i __Y) {
   return (__m512i)__builtin_ia32_psrav16si((__v16si)__X, (__v16si)__Y);
 }
 
 static __inline__ __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
-_mm512_mask_srav_epi32(__m512i __W, __mmask16 __U, __m512i __X, __m512i __Y)
-{
+_mm512_mask_srav_epi32(__m512i __W, __mmask16 __U, __m512i __X, __m512i __Y) {
   return (__m512i)__builtin_ia32_selectd_512((__mmask16)__U,
                                            (__v16si)_mm512_srav_epi32(__X, __Y),
                                            (__v16si)__W);
 }
 
 static __inline__ __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
-_mm512_maskz_srav_epi32(__mmask16 __U, __m512i __X, __m512i __Y)
-{
+_mm512_maskz_srav_epi32(__mmask16 __U, __m512i __X, __m512i __Y) {
   return (__m512i)__builtin_ia32_selectd_512((__mmask16)__U,
                                            (__v16si)_mm512_srav_epi32(__X, __Y),
                                            (__v16si)_mm512_setzero_si512());
@@ -5821,22 +5815,19 @@ _mm512_maskz_srl_epi64(__mmask8 __U, __m512i __A, __m128i __B)
 }
 
 static __inline__ __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
-_mm512_srlv_epi32(__m512i __X, __m512i __Y)
-{
+_mm512_srlv_epi32(__m512i __X, __m512i __Y) {
   return (__m512i)__builtin_ia32_psrlv16si((__v16si)__X, (__v16si)__Y);
 }
 
 static __inline__ __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
-_mm512_mask_srlv_epi32(__m512i __W, __mmask16 __U, __m512i __X, __m512i __Y)
-{
+_mm512_mask_srlv_epi32(__m512i __W, __mmask16 __U, __m512i __X, __m512i __Y) {
   return (__m512i)__builtin_ia32_selectd_512((__mmask16)__U,
                                            (__v16si)_mm512_srlv_epi32(__X, __Y),
                                            (__v16si)__W);
 }
 
 static __inline__ __m512i __DEFAULT_FN_ATTRS512_CONSTEXPR
-_mm512_maskz_srlv_epi32(__mmask16 __U, __m512i __X, __m512i __Y)
-{
+_mm512_maskz_srlv_epi32(__mmask16 __U, __m512i __X, __m512i __Y) {
   return (__m512i)__builtin_ia32_selectd_512((__mmask16)__U,
                                            (__v16si)_mm512_srlv_epi32(__X, __Y),
                                            (__v16si)_mm512_setzero_si512());

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https://github.com/llvm/llvm-project/pull/156480