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/TailDup/PHIUpdateTest.ll b/test/Transforms/TailDup/PHIUpdateTest.ll
new file mode 100644
index 0000000..ae591a0
--- /dev/null
+++ b/test/Transforms/TailDup/PHIUpdateTest.ll
@@ -0,0 +1,20 @@
+; This test checks to make sure phi nodes are updated properly
+;
+; RUN: llvm-upgrade < %s | llvm-as | opt -tailduplicate -disable-output
+
+
+
+int %test(bool %c, int %X, int %Y) {
+ br label %L
+
+L:
+ %A = add int %X, %Y
+ br bool %c, label %T, label %F
+
+F:
+ br bool %c, label %L, label %T
+
+T:
+ %V = phi int [%A, %L], [0, %F]
+ ret int %V
+}