diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
| commit | 30815c536baacc07e925f0aef23a5395883173dc (patch) | |
| tree | 2cbcf22585e99f8a87d12d5ff94f392c0d266819 /test/Transforms/InstCombine/vec_demanded_elts.ll | |
| parent | 411bd29eea3c360d5b48a18a17b5e87f5671af0e (diff) | |
Notes
Diffstat (limited to 'test/Transforms/InstCombine/vec_demanded_elts.ll')
| -rw-r--r-- | test/Transforms/InstCombine/vec_demanded_elts.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/vec_demanded_elts.ll b/test/Transforms/InstCombine/vec_demanded_elts.ll index e0188fe91aeb2..cc63371eded67 100644 --- a/test/Transforms/InstCombine/vec_demanded_elts.ll +++ b/test/Transforms/InstCombine/vec_demanded_elts.ll @@ -152,3 +152,14 @@ entry: ret <4 x i32> %0 } declare <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16>) nounwind readnone + +define <4 x float> @dead_shuffle_elt(<4 x float> %x, <2 x float> %y) nounwind { +entry: +; CHECK: define <4 x float> @dead_shuffle_elt +; CHECK: shufflevector <2 x float> %y, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef> + %shuffle.i = shufflevector <2 x float> %y, <2 x float> %y, <4 x i32> <i32 0, i32 1, i32 0, i32 1> + %shuffle9.i = shufflevector <4 x float> %x, <4 x float> %shuffle.i, <4 x i32> <i32 4, i32 5, i32 2, i32 3> + ret <4 x float> %shuffle9.i +} + + |