1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/Alpha/zapnot3.ll b/test/CodeGen/Alpha/zapnot3.ll
new file mode 100644
index 0000000..c106b6d
--- /dev/null
+++ b/test/CodeGen/Alpha/zapnot3.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=alpha | grep zapnot
+
+;demanded bits mess up this mask in a hard to fix way
+;ulong %foo(ulong %y) {
+;        %tmp = and ulong %y,  65535
+;        %tmp2 = shr ulong %tmp,  ubyte 3
+;        ret ulong %tmp2
+;}
+
+ulong %foo2(ulong %y) {
+        %tmp = shr ulong %y, ubyte 3            ; <ulong> [#uses=1]
+        %tmp2 = and ulong %tmp, 8191            ; <ulong> [#uses=1]
+        ret ulong %tmp2
+}
+