New testcase

llvm-svn: 12640
2004-04-03 00:44:56 +00:00 · 2004-04-03 00:44:56 +00:00 · db033fa425
parent 0defaa1cbc
commit db033fa425
1 changed files with 14 additions and 0 deletions
--- a/llvm/test/Regression/Analysis/LoadVN/undefined_load.ll
+++ b/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
+}
+