[clang] 2407ff4 - [clang][x86] Add constexpr support for _mm_movpi64_epi64

[Simon Pilgrim via cfe-commits]

Author: Simon Pilgrim
Date: 2024-11-08T15:30:02Z
New Revision: 2407ff4645e9124507a4b5d910603ff7fc9e5734

URL: https://github.com/llvm/llvm-project/commit/2407ff4645e9124507a4b5d910603ff7fc9e5734
DIFF: https://github.com/llvm/llvm-project/commit/2407ff4645e9124507a4b5d910603ff7fc9e5734.diff

LOG: [clang][x86] Add constexpr support for _mm_movpi64_epi64

Added: 
    

Modified: 
    clang/lib/Headers/emmintrin.h
    clang/test/CodeGen/X86/sse2-builtins.c

Removed: 
    


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diff  --git a/clang/lib/Headers/emmintrin.h b/clang/lib/Headers/emmintrin.h
index de453cc1a38b99..78e8a422db4c1b 100644
--- a/clang/lib/Headers/emmintrin.h
+++ b/clang/lib/Headers/emmintrin.h
@@ -4626,7 +4626,8 @@ _mm_movepi64_pi64(__m128i __a) {
 ///    A 64-bit value.
 /// \returns A 128-bit integer vector. The lower 64 bits contain the value from
 ///    the operand. The upper 64 bits are assigned zeros.
-static __inline__ __m128i __DEFAULT_FN_ATTRS _mm_movpi64_epi64(__m64 __a) {
+static __inline__ __m128i __DEFAULT_FN_ATTRS_CONSTEXPR
+_mm_movpi64_epi64(__m64 __a) {
   return __builtin_shufflevector((__v1di)__a, _mm_setzero_si64(), 0, 1);
 }
 

diff  --git a/clang/test/CodeGen/X86/sse2-builtins.c b/clang/test/CodeGen/X86/sse2-builtins.c
index 6defd94c5d5073..04df59ef331a5b 100644
--- a/clang/test/CodeGen/X86/sse2-builtins.c
+++ b/clang/test/CodeGen/X86/sse2-builtins.c
@@ -867,20 +867,19 @@ __m128d test_mm_min_sd(__m128d A, __m128d B) {
   return _mm_min_sd(A, B);
 }
 
-__m64 test_mm_movepi64_pi64(__m128i A)
-{
+__m64 test_mm_movepi64_pi64(__m128i A) {
   // CHECK-LABEL: test_mm_movepi64_pi64
   // CHECK: [[EXT:%.*]] = extractelement <2 x i64> %1, i32 0
   return _mm_movepi64_pi64(A);
 }
 TEST_CONSTEXPR(match_m64(_mm_movepi64_pi64((__m128i){8, -8}), 8ULL));
 
-__m128i test_mm_movpi64_epi64(__m64 A)
-{
+__m128i test_mm_movpi64_epi64(__m64 A) {
   // CHECK-LABEL: test_mm_movpi64_epi64
   // CHECK: shufflevector <1 x i64> %{{.*}}, <1 x i64> %{{.*}}, <2 x i32> <i32 0, i32 1>
   return _mm_movpi64_epi64(A);
 }
+TEST_CONSTEXPR(match_m128i(_mm_movpi64_epi64((__m64){5LL}), 5ULL, 0ULL));
 
 __m128i test_mm_move_epi64(__m128i A) {
   // CHECK-LABEL: test_mm_move_epi64