new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28486 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/vec_shuffle.ll b/test/Transforms/InstCombine/vec_shuffle.ll
index 6f1612e9867c4a209b056b22a809736631b871c7..47ce526f62bda431486c4baa1ebaaa4b926be4a4 100644 (file)
--- a/test/Transforms/InstCombine/vec_shuffle.ll
+++ b/test/Transforms/InstCombine/vec_shuffle.ll
@@ -34,3 +34,11 @@ int %test5(<4 x int> %X) {
         ret int %tmp34
 }
 
+float %test6(<4 x float> %X) {
+        %X = cast <4 x float> %X to <4 x int>
+        %tmp152.i53899.i = shufflevector <4 x int> %X, <4 x int> undef, <4 x uint> zeroinitializer
+        %tmp152.i53900.i = cast <4 x int> %tmp152.i53899.i to <4 x float>
+        %tmp34 = extractelement <4 x float> %tmp152.i53900.i, uint 0
+        ret float %tmp34
+}
+