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| author | Craig Topper <craig.topper@gmail.com> | 2016-07-04 22:18:01 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2016-07-04 22:18:01 +0000 |
| commit | 2a383c9273faf83f94878074f8690ad75e8c01f3 (patch) | |
| tree | 6061326ff6e5283987eef5dda4f52f008a4036db /clang/test/CodeGen/avx2-builtins.c | |
| parent | c03d610cff9a473c501be37a727132bb37c1d228 (diff) | |
| download | bcm5719-llvm-2a383c9273faf83f94878074f8690ad75e8c01f3.tar.gz bcm5719-llvm-2a383c9273faf83f94878074f8690ad75e8c01f3.zip | |
[X86] Use undefined instead of setzero in shufflevector based intrinsics when the second source is unused. Rewrite immediate extractions in shuffle intrinsics to be in ((c >> x) & y) form instead of ((c & z) >> x). This way only x varies between each use instead of having to vary x and z.
llvm-svn: 274525
Diffstat (limited to 'clang/test/CodeGen/avx2-builtins.c')
| -rw-r--r-- | clang/test/CodeGen/avx2-builtins.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/clang/test/CodeGen/avx2-builtins.c b/clang/test/CodeGen/avx2-builtins.c index db3c40a3218..b0deb47e6ec 100644 --- a/clang/test/CodeGen/avx2-builtins.c +++ b/clang/test/CodeGen/avx2-builtins.c @@ -370,20 +370,20 @@ __m256i test_mm256_cvtepu32_epi64(__m128i a) { __m128i test0_mm256_extracti128_si256_0(__m256i a) { // CHECK-LABEL: test0_mm256_extracti128_si256 - // CHECK: shufflevector <4 x i64> %{{.*}}, <4 x i64> %{{.*}}, <2 x i32> <i32 0, i32 1> + // CHECK: shufflevector <4 x i64> %{{.*}}, <4 x i64> undef, <2 x i32> <i32 0, i32 1> return _mm256_extracti128_si256(a, 0); } __m128i test1_mm256_extracti128_si256_1(__m256i a) { // CHECK-LABEL: test1_mm256_extracti128_si256 - // CHECK: shufflevector <4 x i64> %{{.*}}, <4 x i64> %{{.*}}, <2 x i32> <i32 2, i32 3> + // CHECK: shufflevector <4 x i64> %{{.*}}, <4 x i64> undef, <2 x i32> <i32 2, i32 3> return _mm256_extracti128_si256(a, 1); } // Immediate should be truncated to one bit. __m128i test2_mm256_extracti128_si256(__m256i a) { // CHECK-LABEL: test2_mm256_extracti128_si256 - // CHECK: shufflevector <4 x i64> %{{.*}}, <4 x i64> %{{.*}}, <2 x i32> <i32 0, i32 1> + // CHECK: shufflevector <4 x i64> %{{.*}}, <4 x i64> undef, <2 x i32> <i32 0, i32 1> return _mm256_extracti128_si256(a, 2); } @@ -891,13 +891,13 @@ __m256i test_mm256_permute2x128_si256(__m256i a, __m256i b) { __m256i test_mm256_permute4x64_epi64(__m256i a) { // CHECK-LABEL: test_mm256_permute4x64_epi64 - // CHECK: shufflevector <4 x i64> %{{.*}}, <4 x i64> %{{.*}}, <4 x i32> <i32 3, i32 0, i32 2, i32 0> + // CHECK: shufflevector <4 x i64> %{{.*}}, <4 x i64> undef, <4 x i32> <i32 3, i32 0, i32 2, i32 0> return _mm256_permute4x64_epi64(a, 35); } __m256d test_mm256_permute4x64_pd(__m256d a) { // CHECK-LABEL: test_mm256_permute4x64_pd - // CHECK: shufflevector <4 x double> %{{.*}}, <4 x double> %{{.*}}, <4 x i32> <i32 1, i32 2, i32 1, i32 0> + // CHECK: shufflevector <4 x double> %{{.*}}, <4 x double> undef, <4 x i32> <i32 1, i32 2, i32 1, i32 0> return _mm256_permute4x64_pd(a, 25); } |

