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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-05-01 19:26:21 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-05-01 19:26:21 +0000 |
| commit | e5e8c2fde08932e490cde4a470fd75c27d81cfbd (patch) | |
| tree | e95c4bdc29a7f9eef406bfe35292c5f86c04e8eb /llvm/test/Transforms | |
| parent | cae3e707079325ebc7dffef3391bdbe22db9984e (diff) | |
| download | bcm5719-llvm-e5e8c2fde08932e490cde4a470fd75c27d81cfbd.tar.gz bcm5719-llvm-e5e8c2fde08932e490cde4a470fd75c27d81cfbd.zip | |
[InstCombine][SSE] Added support to PSHUFB to shuffle combine to accept UNDEF elements.
llvm-svn: 268202
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/x86-pshufb.ll | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/llvm/test/Transforms/InstCombine/x86-pshufb.ll b/llvm/test/Transforms/InstCombine/x86-pshufb.ll index 4ad3e1f7ddc..3ada4fbd166 100644 --- a/llvm/test/Transforms/InstCombine/x86-pshufb.ll +++ b/llvm/test/Transforms/InstCombine/x86-pshufb.ll @@ -288,7 +288,7 @@ define <32 x i8> @permute3_avx2(<32 x i8> %InVec) { define <16 x i8> @fold_with_undef_elts(<16 x i8> %InVec) { ; CHECK-LABEL: @fold_with_undef_elts( -; CHECK-NEXT: [[TMP1:%.*]] = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %InVec, <16 x i8> <i8 0, i8 -128, i8 undef, i8 -128, i8 1, i8 -128, i8 undef, i8 -128, i8 2, i8 -128, i8 undef, i8 -128, i8 3, i8 -128, i8 undef, i8 -128>) +; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <16 x i8> %InVec, <16 x i8> <i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>, <16 x i32> <i32 0, i32 16, i32 undef, i32 16, i32 1, i32 16, i32 undef, i32 16, i32 2, i32 16, i32 undef, i32 16, i32 3, i32 16, i32 undef, i32 16> ; CHECK-NEXT: ret <16 x i8> [[TMP1]] ; %1 = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %InVec, <16 x i8> <i8 0, i8 -128, i8 undef, i8 -128, i8 1, i8 -128, i8 undef, i8 -128, i8 2, i8 -128, i8 undef, i8 -128, i8 3, i8 -128, i8 undef, i8 -128>) @@ -297,7 +297,7 @@ define <16 x i8> @fold_with_undef_elts(<16 x i8> %InVec) { define <32 x i8> @fold_with_undef_elts_avx2(<32 x i8> %InVec) { ; CHECK-LABEL: @fold_with_undef_elts_avx2( -; CHECK-NEXT: [[TMP1:%.*]] = tail call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %InVec, <32 x i8> <i8 0, i8 -128, i8 undef, i8 -128, i8 1, i8 -128, i8 undef, i8 -128, i8 2, i8 -128, i8 undef, i8 -128, i8 3, i8 -128, i8 undef, i8 -128, i8 0, i8 -128, i8 undef, i8 -128, i8 1, i8 -128, i8 undef, i8 -128, i8 2, i8 -128, i8 undef, i8 -128, i8 3, i8 -128, i8 undef, i8 -128>) +; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <32 x i8> %InVec, <32 x i8> <i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef>, <32 x i32> <i32 0, i32 32, i32 undef, i32 32, i32 1, i32 32, i32 undef, i32 32, i32 2, i32 32, i32 undef, i32 32, i32 3, i32 32, i32 undef, i32 32, i32 16, i32 48, i32 undef, i32 48, i32 17, i32 48, i32 undef, i32 48, i32 18, i32 48, i32 undef, i32 48, i32 19, i32 48, i32 undef, i32 48> ; CHECK-NEXT: ret <32 x i8> [[TMP1]] ; %1 = tail call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %InVec, <32 x i8> <i8 0, i8 -128, i8 undef, i8 -128, i8 1, i8 -128, i8 undef, i8 -128, i8 2, i8 -128, i8 undef, i8 -128, i8 3, i8 -128, i8 undef, i8 -128, i8 0, i8 -128, i8 undef, i8 -128, i8 1, i8 -128, i8 undef, i8 -128, i8 2, i8 -128, i8 undef, i8 -128, i8 3, i8 -128, i8 undef, i8 -128>) @@ -306,8 +306,7 @@ define <32 x i8> @fold_with_undef_elts_avx2(<32 x i8> %InVec) { define <16 x i8> @fold_with_allundef_elts(<16 x i8> %InVec) { ; CHECK-LABEL: @fold_with_allundef_elts( -; CHECK-NEXT: [[TMP1:%.*]] = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %InVec, <16 x i8> undef) -; CHECK-NEXT: ret <16 x i8> [[TMP1]] +; CHECK-NEXT: ret <16 x i8> undef ; %1 = tail call <16 x i8> @llvm.x86.ssse3.pshuf.b.128(<16 x i8> %InVec, <16 x i8> undef) ret <16 x i8> %1 @@ -315,8 +314,7 @@ define <16 x i8> @fold_with_allundef_elts(<16 x i8> %InVec) { define <32 x i8> @fold_with_allundef_elts_avx2(<32 x i8> %InVec) { ; CHECK-LABEL: @fold_with_allundef_elts_avx2( -; CHECK-NEXT: [[TMP1:%.*]] = tail call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %InVec, <32 x i8> undef) -; CHECK-NEXT: ret <32 x i8> [[TMP1]] +; CHECK-NEXT: ret <32 x i8> undef ; %1 = tail call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %InVec, <32 x i8> undef) ret <32 x i8> %1 |
