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/CodeGen/Alpha/zapnot4.ll b/test/CodeGen/Alpha/zapnot4.ll
new file mode 100644
index 0000000..b805607
--- /dev/null
+++ b/test/CodeGen/Alpha/zapnot4.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=alpha | grep zapnot
+
+ulong %foo(ulong %y) {
+        %tmp = shl ulong %y, ubyte 3            ; <ulong> [#uses=1]
+        %tmp2 = and ulong %tmp, 65535            ; <ulong> [#uses=1]
+        ret ulong %tmp2
+}
+