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| author | Chris Lattner <sabre@nondot.org> | 2009-10-11 22:54:48 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-10-11 22:54:48 +0000 |
| commit | 0a11939fe88763d4c22c03fa19aaf8f1f9050b4f (patch) | |
| tree | 3b73283d2f4487b8fe93c8d179df5b131af94b7d /test/Transforms/InstCombine/vec_shuffle.ll | |
| parent | 98d59dfbb6cf8884bb09ffb1813e9b73f20db471 (diff) | |
| download | external_llvm-0a11939fe88763d4c22c03fa19aaf8f1f9050b4f.zip external_llvm-0a11939fe88763d4c22c03fa19aaf8f1f9050b4f.tar.gz external_llvm-0a11939fe88763d4c22c03fa19aaf8f1f9050b4f.tar.bz2 | |
reduce vec_shuffle2 and merge into vec_shuffle.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83807 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/vec_shuffle.ll')
| -rw-r--r-- | test/Transforms/InstCombine/vec_shuffle.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/vec_shuffle.ll b/test/Transforms/InstCombine/vec_shuffle.ll index 8c35154..29adc1e 100644 --- a/test/Transforms/InstCombine/vec_shuffle.ll +++ b/test/Transforms/InstCombine/vec_shuffle.ll @@ -77,3 +77,13 @@ define <4 x float> @test8(<4 x float> %tmp, <4 x float> %tmp1) { ret <4 x float> %tmp134 } +; Test fold of two shuffles where the first shuffle vectors inputs are a +; different length then the second. +define <4 x i8> @test9(<16 x i8> %tmp6) nounwind { +; CHECK: @test9 +; CHECK-NEXT: shufflevector +; CHECK-NEXT: ret + %tmp7 = shufflevector <16 x i8> %tmp6, <16 x i8> undef, <4 x i32> < i32 13, i32 9, i32 4, i32 13 > ; <<4 x i8>> [#uses=1] + %tmp9 = shufflevector <4 x i8> %tmp7, <4 x i8> undef, <4 x i32> < i32 3, i32 1, i32 2, i32 0 > ; <<4 x i8>> [#uses=1] + ret <4 x i8> %tmp9 +}
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