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| author | Sanjay Patel <spatel@rotateright.com> | 2016-02-26 18:42:50 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2016-02-26 18:42:50 +0000 |
| commit | 155193c3aa7bc14012b3547847dc4a0fbb4dd8da (patch) | |
| tree | a70657095213246889e12302089b1314fd4c3840 /llvm/test | |
| parent | 7f022ae4c26f6bee2477868c99c73fb5bda1711d (diff) | |
| download | bcm5719-llvm-155193c3aa7bc14012b3547847dc4a0fbb4dd8da.tar.gz bcm5719-llvm-155193c3aa7bc14012b3547847dc4a0fbb4dd8da.zip | |
[x86, AVX] fold 'isPositive' 256-bit vector integer operations (PR26701)
This extends the fold introduced with:
http://reviews.llvm.org/rL262036
llvm-svn: 262047
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/vector-pcmp.ll | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/llvm/test/CodeGen/X86/vector-pcmp.ll b/llvm/test/CodeGen/X86/vector-pcmp.ll index 4c27b4b4499..f1398c3e429 100644 --- a/llvm/test/CodeGen/X86/vector-pcmp.ll +++ b/llvm/test/CodeGen/X86/vector-pcmp.ll @@ -150,10 +150,8 @@ define <32 x i8> @test_pcmpgtb_256(<32 x i8> %x) { ; ; AVX2-LABEL: test_pcmpgtb_256: ; AVX2: # BB#0: -; AVX2-NEXT: vpxor %ymm1, %ymm1, %ymm1 -; AVX2-NEXT: vpcmpgtb %ymm0, %ymm1, %ymm0 ; AVX2-NEXT: vpcmpeqd %ymm1, %ymm1, %ymm1 -; AVX2-NEXT: vpxor %ymm1, %ymm0, %ymm0 +; AVX2-NEXT: vpcmpgtb %ymm1, %ymm0, %ymm0 ; AVX2-NEXT: retq %sign = ashr <32 x i8> %x, <i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7> %not = xor <32 x i8> %sign, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1> @@ -181,9 +179,8 @@ define <16 x i16> @test_pcmpgtw_256(<16 x i16> %x) { ; ; AVX2-LABEL: test_pcmpgtw_256: ; AVX2: # BB#0: -; AVX2-NEXT: vpsraw $15, %ymm0, %ymm0 ; AVX2-NEXT: vpcmpeqd %ymm1, %ymm1, %ymm1 -; AVX2-NEXT: vpxor %ymm1, %ymm0, %ymm0 +; AVX2-NEXT: vpcmpgtw %ymm1, %ymm0, %ymm0 ; AVX2-NEXT: retq %sign = ashr <16 x i16> %x, <i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15> %not = xor <16 x i16> %sign, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1> @@ -211,9 +208,8 @@ define <8 x i32> @test_pcmpgtd_256(<8 x i32> %x) { ; ; AVX2-LABEL: test_pcmpgtd_256: ; AVX2: # BB#0: -; AVX2-NEXT: vpsrad $31, %ymm0, %ymm0 ; AVX2-NEXT: vpcmpeqd %ymm1, %ymm1, %ymm1 -; AVX2-NEXT: vpxor %ymm1, %ymm0, %ymm0 +; AVX2-NEXT: vpcmpgtd %ymm1, %ymm0, %ymm0 ; AVX2-NEXT: retq %sign = ashr <8 x i32> %x, <i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31> %not = xor <8 x i32> %sign, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1> @@ -254,10 +250,8 @@ define <4 x i64> @test_pcmpgtq_256(<4 x i64> %x) { ; ; AVX2-LABEL: test_pcmpgtq_256: ; AVX2: # BB#0: -; AVX2-NEXT: vpsrad $31, %ymm0, %ymm0 -; AVX2-NEXT: vpshufd {{.*#+}} ymm0 = ymm0[1,1,3,3,5,5,7,7] ; AVX2-NEXT: vpcmpeqd %ymm1, %ymm1, %ymm1 -; AVX2-NEXT: vpxor %ymm1, %ymm0, %ymm0 +; AVX2-NEXT: vpcmpgtq %ymm1, %ymm0, %ymm0 ; AVX2-NEXT: retq %sign = ashr <4 x i64> %x, <i64 63, i64 63, i64 63, i64 63> %not = xor <4 x i64> %sign, <i64 -1, i64 -1, i64 -1, i64 -1> |
