could look at this: the top undefined bits of an immediate shouldn't affect
isel (cmp vs cmp.w)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81288
91177308-0d34-0410-b5e6-
96231b3b80d8
; 0xcc00cc00 = 3422604288
define i1 @f3(i32 %a) {
; CHECK: f3:
-; CHECK: cmp.w r0, #3422604288
+; CHECK: cmp r0, #-872363008
%tmp = icmp ne i32 %a, 3422604288
ret i1 %tmp
}
; 0xdddddddd = 3722304989
define i1 @f4(i32 %a) {
; CHECK: f4:
-; CHECK: cmp.w r0, #3722304989
+; CHECK: cmp r0, #-572662307
%tmp = icmp ne i32 %a, 3722304989
ret i1 %tmp
}