new testcase for PR1286

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35787 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/vec_insertelt.ll b/test/Transforms/InstCombine/vec_insertelt.ll
new file mode 100644 (file)
index 0000000..ce75945
--- /dev/null
+++ b/test/Transforms/InstCombine/vec_insertelt.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'ret <4 x i32> %A'
+
+; PR1286
+define <4 x i32> @test1(<4 x i32> %A) {
+       %B = insertelement <4 x i32> %A, i32 undef, i32 1
+       ret <4 x i32> %B
+}