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author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-01-18 11:20:31 +0000 |
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committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-01-18 11:20:31 +0000 |
commit | d0ccf5e2e36a11e1b9d2dec7d372a3be9f20bbe2 (patch) | |
tree | a1b97ec40de4873a1150ef4eb84c1f40f141e9a2 /llvm | |
parent | 107d9bbd6c7280959556da864c0c67dc9d951e14 (diff) | |
download | bcm5719-llvm-d0ccf5e2e36a11e1b9d2dec7d372a3be9f20bbe2.tar.gz bcm5719-llvm-d0ccf5e2e36a11e1b9d2dec7d372a3be9f20bbe2.zip |
[X86][SSE] Simplify umax knownbits test
combineSRA doesn't detect sign bits splats that it does itself so just use -1 as the demanded input so that its already splatted
llvm-svn: 292361
Diffstat (limited to 'llvm')
-rw-r--r-- | llvm/test/CodeGen/X86/known-bits-vector.ll | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/X86/known-bits-vector.ll b/llvm/test/CodeGen/X86/known-bits-vector.ll index 384030b3668..19b28114092 100644 --- a/llvm/test/CodeGen/X86/known-bits-vector.ll +++ b/llvm/test/CodeGen/X86/known-bits-vector.ll @@ -520,7 +520,7 @@ define <4 x i32> @knownbits_umax_shuffle_ashr(<4 x i32> %a0) { ; X64-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,2,2] ; X64-NEXT: vpsrad $31, %xmm0, %xmm0 ; X64-NEXT: retq - %1 = call <4 x i32> @llvm.x86.sse41.pmaxud(<4 x i32> %a0, <4 x i32> <i32 65535, i32 -1, i32 -15, i32 262143>) + %1 = call <4 x i32> @llvm.x86.sse41.pmaxud(<4 x i32> %a0, <4 x i32> <i32 65535, i32 -1, i32 -1, i32 262143>) %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 1, i32 2, i32 2> %3 = ashr <4 x i32> %2, <i32 31, i32 31, i32 31, i32 31> ret <4 x i32> %3 |