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| author | Nadav Rotem <nrotem@apple.com> | 2012-12-07 19:01:13 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2012-12-07 19:01:13 +0000 |
| commit | e4ccfef809a1a47f1386bb2767b8c77e64644435 (patch) | |
| tree | 7263b6bbf64a58b191abd551ff729246e1320d79 /test/CodeGen/X86/avx-shuffle.ll | |
| parent | 8ddc5a192935728c15602a4c15501e35f116422d (diff) | |
| download | external_llvm-e4ccfef809a1a47f1386bb2767b8c77e64644435.zip external_llvm-e4ccfef809a1a47f1386bb2767b8c77e64644435.tar.gz external_llvm-e4ccfef809a1a47f1386bb2767b8c77e64644435.tar.bz2 | |
X86: Prefer using VPSHUFD over VPERMIL because it has better throughput.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169624 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/avx-shuffle.ll')
| -rw-r--r-- | test/CodeGen/X86/avx-shuffle.ll | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/test/CodeGen/X86/avx-shuffle.ll b/test/CodeGen/X86/avx-shuffle.ll index 904f048..65685a3 100644 --- a/test/CodeGen/X86/avx-shuffle.ll +++ b/test/CodeGen/X86/avx-shuffle.ll @@ -6,7 +6,7 @@ define <4 x float> @test1(<4 x float> %a) nounwind { ret <4 x float> %b ; CHECK: test1: ; CHECK: vshufps -; CHECK: vpermilps +; CHECK: vpshufd } ; rdar://10538417 @@ -106,7 +106,7 @@ define <4 x float> @test11(<4 x float> %a) nounwind { define <4 x float> @test12(<4 x float>* %a) nounwind { ; CHECK: test12 -; CHECK: vpermilps $27, ( +; CHECK: vpshufd %tmp0 = load <4 x float>* %a %tmp1 = shufflevector <4 x float> %tmp0, <4 x float> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> ret <4 x float> %tmp1 |