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| author | Craig Topper <craig.topper@gmail.com> | 2012-12-10 08:12:29 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-12-10 08:12:29 +0000 |
| commit | 48b509c77318cc6e753513ca5dcdd67e18094235 (patch) | |
| tree | 13e6e855eee19ac3ed2f4600388ff3816fba8700 /test | |
| parent | cbc478ebc1f93df073f5883dda561995e15f6f46 (diff) | |
| download | llvm-48b509c77318cc6e753513ca5dcdd67e18094235.tar.gz llvm-48b509c77318cc6e753513ca5dcdd67e18094235.tar.bz2 llvm-48b509c77318cc6e753513ca5dcdd67e18094235.tar.xz | |
Teach DAG combine to handle vector add/sub with vectors of all 0s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169727 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/fold-pcmpeqd-2.ll | 8 | ||||
| -rw-r--r-- | test/CodeGen/X86/vec_zero.ll | 2 |
2 files changed, 5 insertions, 5 deletions
diff --git a/test/CodeGen/X86/fold-pcmpeqd-2.ll b/test/CodeGen/X86/fold-pcmpeqd-2.ll index 6cd27618de..2bde76efd2 100644 --- a/test/CodeGen/X86/fold-pcmpeqd-2.ll +++ b/test/CodeGen/X86/fold-pcmpeqd-2.ll @@ -43,11 +43,11 @@ forbody: ; preds = %forcond %mul171.i = fmul <4 x float> %add167.i, %sub140.i ; <<4 x float>> [#uses=1] %add172.i = fadd <4 x float> %mul171.i, < float 0x3FF0000A40000000, float 0x3FF0000A40000000, float 0x3FF0000A40000000, float 0x3FF0000A40000000 > ; <<4 x float>> [#uses=1] %bitcast176.i = bitcast <4 x float> %add172.i to <4 x i32> ; <<4 x i32>> [#uses=1] - %andnps178.i = add <4 x i32> %bitcast176.i, zeroinitializer ; <<4 x i32>> [#uses=1] + %andnps178.i = add <4 x i32> %bitcast176.i, <i32 1, i32 1, i32 1, i32 1> ; <<4 x i32>> [#uses=1] %bitcast179.i = bitcast <4 x i32> %andnps178.i to <4 x float> ; <<4 x float>> [#uses=1] %mul186.i = fmul <4 x float> %bitcast179.i, zeroinitializer ; <<4 x float>> [#uses=1] %bitcast190.i = bitcast <4 x float> %mul186.i to <4 x i32> ; <<4 x i32>> [#uses=1] - %andnps192.i = add <4 x i32> %bitcast190.i, zeroinitializer ; <<4 x i32>> [#uses=1] + %andnps192.i = add <4 x i32> %bitcast190.i, <i32 1, i32 1, i32 1, i32 1> ; <<4 x i32>> [#uses=1] %xorps.i = xor <4 x i32> zeroinitializer, < i32 -1, i32 -1, i32 -1, i32 -1 > ; <<4 x i32>> [#uses=1] %orps203.i = add <4 x i32> %andnps192.i, %xorps.i ; <<4 x i32>> [#uses=1] %bitcast204.i = bitcast <4 x i32> %orps203.i to <4 x float> ; <<4 x float>> [#uses=1] @@ -55,9 +55,9 @@ forbody: ; preds = %forcond %mul313 = fmul <4 x float> %bitcast204.i, zeroinitializer ; <<4 x float>> [#uses=1] %cmpunord.i11 = call <4 x float> @llvm.x86.sse.cmp.ps(<4 x float> zeroinitializer, <4 x float> zeroinitializer, i8 3) nounwind ; <<4 x float>> [#uses=1] %bitcast6.i13 = bitcast <4 x float> %cmpunord.i11 to <4 x i32> ; <<4 x i32>> [#uses=2] - %andps.i14 = add <4 x i32> zeroinitializer, %bitcast6.i13 ; <<4 x i32>> [#uses=1] + %andps.i14 = add <4 x i32> <i32 1, i32 1, i32 1, i32 1>, %bitcast6.i13 ; <<4 x i32>> [#uses=1] %not.i16 = xor <4 x i32> %bitcast6.i13, < i32 -1, i32 -1, i32 -1, i32 -1 > ; <<4 x i32>> [#uses=1] - %andnps.i17 = add <4 x i32> zeroinitializer, %not.i16 ; <<4 x i32>> [#uses=1] + %andnps.i17 = add <4 x i32> <i32 1, i32 1, i32 1, i32 1>, %not.i16 ; <<4 x i32>> [#uses=1] %orps.i18 = or <4 x i32> %andnps.i17, %andps.i14 ; <<4 x i32>> [#uses=1] %bitcast17.i19 = bitcast <4 x i32> %orps.i18 to <4 x float> ; <<4 x float>> [#uses=1] %tmp83 = call <4 x float> @llvm.x86.sse.min.ps(<4 x float> %mul310, <4 x float> zeroinitializer) nounwind ; <<4 x float>> [#uses=1] diff --git a/test/CodeGen/X86/vec_zero.ll b/test/CodeGen/X86/vec_zero.ll index 682a0dfca8..c3ea0ad202 100644 --- a/test/CodeGen/X86/vec_zero.ll +++ b/test/CodeGen/X86/vec_zero.ll @@ -13,7 +13,7 @@ define void @foo(<4 x float>* %P) { ; CHECK: pxor define void @bar(<4 x i32>* %P) { %T = load <4 x i32>* %P ; <<4 x i32>> [#uses=1] - %S = add <4 x i32> zeroinitializer, %T ; <<4 x i32>> [#uses=1] + %S = sub <4 x i32> zeroinitializer, %T ; <<4 x i32>> [#uses=1] store <4 x i32> %S, <4 x i32>* %P ret void } |