New testcase

llvm-svn: 12640

llvm/test/Regression/Analysis/LoadVN/undefined_load.ll

@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | opt -load-vn -gcse | llvm-dis | not grep load
+; Test that loads of undefined memory are eliminated.
+
+int %test1() {
+	%X = malloc int
+	%Y = load int* %X
+	ret int %Y
+}
+int %test2() {
+	%X = alloca int
+	%Y = load int* %X
+	ret int %Y
+}
+