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| author | Evan Cheng <evan.cheng@apple.com> | 2010-10-07 20:50:20 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-10-07 20:50:20 +0000 |
| commit | 835580fc3ada684cd30e21c1367ea880d2237a0f (patch) | |
| tree | 99b9ce63b2a299664cbbe0e1ca6c5c9d9d71d24f /test/CodeGen | |
| parent | 9f36c4e1562c3ad6bf9faac496446970d86f7cc4 (diff) | |
| download | external_llvm-835580fc3ada684cd30e21c1367ea880d2237a0f.zip external_llvm-835580fc3ada684cd30e21c1367ea880d2237a0f.tar.gz external_llvm-835580fc3ada684cd30e21c1367ea880d2237a0f.tar.bz2 | |
Canonicalize X86ISD::MOVDDUP nodes to v2f64 to make sure all cases match. Also eliminate unneeded isel patterns. rdar://8520311
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115977 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/X86/sse3.ll | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/test/CodeGen/X86/sse3.ll b/test/CodeGen/X86/sse3.ll index 206cdff..9a60091 100644 --- a/test/CodeGen/X86/sse3.ll +++ b/test/CodeGen/X86/sse3.ll @@ -169,7 +169,7 @@ define internal void @t10() nounwind { ret void ; X64: t10: ; X64: pextrw $4, %xmm0, %eax -; X64: movlhps %xmm1, %xmm1 +; X64: unpcklpd %xmm1, %xmm1 ; X64: pshuflw $8, %xmm1, %xmm1 ; X64: pinsrw $2, %eax, %xmm1 ; X64: pextrw $6, %xmm0, %eax @@ -260,3 +260,18 @@ entry: ; X64: pinsrw $1, %eax, %xmm0 ; X64: ret } + +; rdar://8520311 +define <4 x i32> @t17() nounwind { +entry: +; X64: t17: +; X64: movddup (%rax), %xmm0 + %tmp1 = load <4 x float>* undef, align 16 + %tmp2 = shufflevector <4 x float> %tmp1, <4 x float> undef, <4 x i32> <i32 4, i32 1, i32 2, i32 3> + %tmp3 = load <4 x float>* undef, align 16 + %tmp4 = shufflevector <4 x float> %tmp2, <4 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1> + %tmp5 = bitcast <4 x float> %tmp3 to <4 x i32> + %tmp6 = shufflevector <4 x i32> %tmp5, <4 x i32> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1> + %tmp7 = and <4 x i32> %tmp6, <i32 undef, i32 undef, i32 -1, i32 0> + ret <4 x i32> %tmp7 +} |