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-rw-r--r--test/Analysis/LoadVN/undefined_load.ll14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/Analysis/LoadVN/undefined_load.ll b/test/Analysis/LoadVN/undefined_load.ll
new file mode 100644
index 0000000000..9f01d24806
--- /dev/null
+++ b/test/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
+}
+