Add testcase for the previous commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151475 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/DeadStoreElimination/dominate.ll b/test/Transforms/DeadStoreElimination/dominate.ll
new file mode 100644 (file)
index 0000000..284fea4
--- /dev/null
+++ b/test/Transforms/DeadStoreElimination/dominate.ll
@@ -0,0 +1,25 @@
+; RUN: opt  %s -dse -disable-output
+; test that we don't crash
+declare void @bar()
+
+define void @foo() {
+bb1:
+  %memtmp3.i = alloca [21 x i8], align 1
+  %0 = getelementptr inbounds [21 x i8]* %memtmp3.i, i64 0, i64 0
+  br label %bb3
+
+bb2:
+  call void @llvm.lifetime.end(i64 -1, i8* %0)
+  br label %bb3
+
+bb3:
+  call void @bar()
+  call void @llvm.lifetime.end(i64 -1, i8* %0)
+  br label %bb4
+
+bb4:
+  ret void
+
+}
+
+declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind