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[X86] Allow XOP rotate intrinsics to be used in constexpr #157643

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Merged
RKSimon merged 1 commit into from
Sep 9, 2025
Merged

[X86] Allow XOP rotate intrinsics to be used in constexpr #157643

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8 changes: 4 additions & 4 deletions clang/lib/Headers/xopintrin.h
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Original file line number Diff line number Diff line change
Expand Up @@ -208,25 +208,25 @@ _mm_perm_epi8(__m128i __A, __m128i __B, __m128i __C)
return (__m128i)__builtin_ia32_vpperm((__v16qi)__A, (__v16qi)__B, (__v16qi)__C);
}

static __inline__ __m128i __DEFAULT_FN_ATTRS
static __inline__ __m128i __DEFAULT_FN_ATTRS_CONSTEXPR
_mm_rot_epi8(__m128i __A, __m128i __B)
{
return (__m128i)__builtin_elementwise_fshl((__v16qu)__A, (__v16qu)__A, (__v16qu)__B);
}

static __inline__ __m128i __DEFAULT_FN_ATTRS
static __inline__ __m128i __DEFAULT_FN_ATTRS_CONSTEXPR
_mm_rot_epi16(__m128i __A, __m128i __B)
{
return (__m128i)__builtin_elementwise_fshl((__v8hu)__A, (__v8hu)__A, (__v8hu)__B);
}

static __inline__ __m128i __DEFAULT_FN_ATTRS
static __inline__ __m128i __DEFAULT_FN_ATTRS_CONSTEXPR
_mm_rot_epi32(__m128i __A, __m128i __B)
{
return (__m128i)__builtin_elementwise_fshl((__v4su)__A, (__v4su)__A, (__v4su)__B);
}

static __inline__ __m128i __DEFAULT_FN_ATTRS
static __inline__ __m128i __DEFAULT_FN_ATTRS_CONSTEXPR
_mm_rot_epi64(__m128i __A, __m128i __B)
{
return (__m128i)__builtin_elementwise_fshl((__v2du)__A, (__v2du)__A, (__v2du)__B);
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4 changes: 4 additions & 0 deletions clang/test/CodeGen/X86/xop-builtins.c
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Expand Up @@ -215,24 +215,28 @@ __m128i test_mm_rot_epi8(__m128i a, __m128i b) {
// CHECK: call <16 x i8> @llvm.fshl.v16i8(<16 x i8> %{{.*}}, <16 x i8> %{{.*}}, <16 x i8> %{{.*}})
return _mm_rot_epi8(a, b);
}
TEST_CONSTEXPR(match_v16qi(_mm_rot_epi8((__m128i)(__v16qs){15, -14, -13, -12, 11, 10, 9, 8, 7, 6, 5, -4, 3, -2, 1, 0}, (__m128i)(__v16qs){0, 1, -2, 3, -4, 5, -6, 7, -8, 9, -10, 11, -12, 13, -14, 15}), 15, -27, -4, -89, -80, 65, 36, 4, 7, 12, 65, -25, 48, -33, 4, 0));

__m128i test_mm_rot_epi16(__m128i a, __m128i b) {
// CHECK-LABEL: test_mm_rot_epi16
// CHECK: call <8 x i16> @llvm.fshl.v8i16(<8 x i16> %{{.*}}, <8 x i16> %{{.*}}, <8 x i16> %{{.*}})
return _mm_rot_epi16(a, b);
}
TEST_CONSTEXPR(match_v8hi(_mm_rot_epi16((__m128i)(__v8hi){7, 6, 5, -4, 3, -2, 1, 0}, (__m128i)(__v8hi){0, 1, -2, 3, -4, 5, -6, 7}), 7, 12, 16385, -25, 12288, -33, 1024, 0));

__m128i test_mm_rot_epi32(__m128i a, __m128i b) {
// CHECK-LABEL: test_mm_rot_epi32
// CHECK: call <4 x i32> @llvm.fshl.v4i32(<4 x i32> %{{.*}}, <4 x i32> %{{.*}}, <4 x i32> %{{.*}})
return _mm_rot_epi32(a, b);
}
TEST_CONSTEXPR(match_v4si(_mm_rot_epi32((__m128i)(__v4si){3, -2, 1, 0}, (__m128i)(__v4si){0, 1, -2, 3}), 3, -3, 1073741824, 0));

__m128i test_mm_rot_epi64(__m128i a, __m128i b) {
// CHECK-LABEL: test_mm_rot_epi64
// CHECK: call {{.*}}<2 x i64> @llvm.fshl.v2i64(<2 x i64> %{{.*}}, <2 x i64> %{{.*}}, <2 x i64> %{{.*}})
return _mm_rot_epi64(a, b);
}
TEST_CONSTEXPR(match_v2di(_mm_rot_epi64((__m128i)(__v2di){99, -55}, (__m128i)(__v2di){1, -2}), 198, 9223372036854775794LL));

__m128i test_mm_roti_epi8(__m128i a) {
// CHECK-LABEL: test_mm_roti_epi8
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