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/Transforms/ConstProp/phi.ll b/test/Transforms/ConstProp/phi.ll
new file mode 100644
index 0000000..d7624dc
--- /dev/null
+++ b/test/Transforms/ConstProp/phi.ll
@@ -0,0 +1,14 @@
+; This is a basic sanity check for constant propogation.  The add instruction 
+; should be eliminated.
+
+; RUN: llvm-upgrade < %s | llvm-as | opt -constprop -die | llvm-dis | not grep phi
+
+int %test(bool %B) {
+BB0:
+	br bool %B, label %BB1, label %BB3
+BB1:
+	br label %BB3
+BB3:
+	%Ret = phi int [1, %BB0], [1, %BB1]
+	ret int %Ret
+}