New testcase for PR491

llvm-svn: 19178

llvm/test/Regression/Transforms/DeadStoreElimination/2004-12-28-PartialStore.ll

@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | opt -dse | llvm-dis | grep 'store int 1234567'
+
+int %test() {
+	%V = alloca int
+	store int 1234567, int* %V
+	%V2 = cast int* %V to sbyte*
+	store sbyte 0, sbyte* %V2
+	%X = load int* %V
+	ret int %X
+}