define signext i16 @foo(i16 signext %x) nounwind {
entry:
-; CHECK: foo:
-; CHECK: movzwl 4(%esp), %eax
-; CHECK: xorl $21998, %eax
-; CHECK: movsx %ax, %eax
+; CHECK-LABEL: foo:
+; CHECK-NOT: movzwl
+; CHECK: movswl 4(%esp), %eax
+; CHECK: xorl $21998, %eax
%0 = xor i16 %x, 21998
ret i16 %0
}
+
+define signext i16 @bar(i16 signext %x) nounwind {
+entry:
+; CHECK-LABEL: bar:
+; CHECK-NOT: movzwl
+; CHECK: movswl 4(%esp), %eax
+; CHECK: xorl $-10770, %eax
+ %0 = xor i16 %x, 54766
+ ret i16 %0
+}