It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/LoadVN/undefined_load.ll b/test/Analysis/LoadVN/undefined_load.ll
new file mode 100644
index 0000000..8e4660c
--- /dev/null
+++ b/test/Analysis/LoadVN/undefined_load.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-upgrade < %s | llvm-as | 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
+}
+