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authorNick Lewycky <nicholas@mxc.ca>2013-05-31 00:59:42 +0000
committerNick Lewycky <nicholas@mxc.ca>2013-05-31 00:59:42 +0000
commita2b7720618b7cadb6e8dd07941261a0bf6837986 (patch)
tree889996bb392ab599902ed170b0dd11225521384a /llvm/test/Transforms
parent615c076fc1214a600446289d9a30056f90e05c2d (diff)
downloadbcm5719-llvm-a2b7720618b7cadb6e8dd07941261a0bf6837986.tar.gz
bcm5719-llvm-a2b7720618b7cadb6e8dd07941261a0bf6837986.zip
Reapply with r182909 with a fix to the calculation of the new indices for
insertelement instructions. llvm-svn: 182976
Diffstat (limited to 'llvm/test/Transforms')
-rw-r--r--llvm/test/Transforms/InstCombine/vec_shuffle.ll21
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/vec_shuffle.ll b/llvm/test/Transforms/InstCombine/vec_shuffle.ll
index 8f78c2e6bd5..4b7a049baec 100644
--- a/llvm/test/Transforms/InstCombine/vec_shuffle.ll
+++ b/llvm/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
+}
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