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/RLE-Preserve-Volatile.ll b/test/Analysis/LoadVN/RLE-Preserve-Volatile.ll
new file mode 100644
index 0000000..9966016
--- /dev/null
+++ b/test/Analysis/LoadVN/RLE-Preserve-Volatile.ll
@@ -0,0 +1,9 @@
+
+; RUN: llvm-upgrade < %s | llvm-as | opt -load-vn -gcse -instcombine | llvm-dis | grep sub
+
+int %test(int* %P) {
+ %X = volatile load int* %P
+ %Y = volatile load int* %P
+ %Z = sub int %X, %Y
+ ret int %Z
+}