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| author | Nick Lewycky <nicholas@mxc.ca> | 2013-05-31 00:59:42 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2013-05-31 00:59:42 +0000 |
| commit | 903f26d904cb7eba9b57ed85b2dc6147a8811bd7 (patch) | |
| tree | 6fa1f13a1dac4643e88e6104a63504a0c194b18b /test/Transforms/InstCombine/vec_shuffle.ll | |
| parent | 6f6ec56b12aff45977b5ea1433739179198d4b81 (diff) | |
| download | external_llvm-903f26d904cb7eba9b57ed85b2dc6147a8811bd7.zip external_llvm-903f26d904cb7eba9b57ed85b2dc6147a8811bd7.tar.gz external_llvm-903f26d904cb7eba9b57ed85b2dc6147a8811bd7.tar.bz2 | |
Reapply with r182909 with a fix to the calculation of the new indices for
insertelement instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182976 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/vec_shuffle.ll')
| -rw-r--r-- | test/Transforms/InstCombine/vec_shuffle.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/vec_shuffle.ll b/test/Transforms/InstCombine/vec_shuffle.ll index 8f78c2e..4b7a049 100644 --- a/test/Transforms/InstCombine/vec_shuffle.ll +++ b/test/Transforms/InstCombine/vec_shuffle.ll @@ -153,3 +153,24 @@ define <8 x i8> @test12a(<8 x i8> %tmp6, <8 x i8> %tmp2) nounwind { ret <8 x i8> %tmp3 } +define <2 x i8> @test13a(i8 %x1, i8 %x2) { +; CHECK: @test13a +; CHECK-NEXT: insertelement {{.*}} undef, i8 %x1, i32 1 +; CHECK-NEXT: insertelement {{.*}} i8 %x2, i32 0 +; CHECK-NEXT: add {{.*}} <i8 7, i8 5> +; CHECK-NEXT: ret + %A = insertelement <2 x i8> undef, i8 %x1, i32 0 + %B = insertelement <2 x i8> %A, i8 %x2, i32 1 + %C = add <2 x i8> %B, <i8 5, i8 7> + %D = shufflevector <2 x i8> %C, <2 x i8> undef, <2 x i32> <i32 1, i32 0> + ret <2 x i8> %D +} + +define <2 x i8> @test13b(i8 %x) { +; CHECK: @test13b +; CHECK-NEXT: insertelement <2 x i8> undef, i8 %x, i32 1 +; CHECK-NEXT: ret + %A = insertelement <2 x i8> undef, i8 %x, i32 0 + %B = shufflevector <2 x i8> %A, <2 x i8> undef, <2 x i32> <i32 undef, i32 0> + ret <2 x i8> %B +} |