|  | ; RUN: llc < %s -mtriple=aarch64-unknown-unknown | FileCheck %s | 
|  |  | 
|  | define i1 @andn_cmp(i32 %x, i32 %y) { | 
|  | ; CHECK-LABEL: andn_cmp: | 
|  | ; CHECK:       // %bb.0: | 
|  | ; CHECK-NEXT:    bics wzr, w1, w0 | 
|  | ; CHECK-NEXT:    cset w0, eq | 
|  | ; CHECK-NEXT:    ret | 
|  | ; | 
|  | %notx = xor i32 %x, -1 | 
|  | %and = and i32 %notx, %y | 
|  | %cmp = icmp eq i32 %and, 0 | 
|  | ret i1 %cmp | 
|  | } | 
|  |  | 
|  | define i1 @and_cmp(i32 %x, i32 %y) { | 
|  | ; CHECK-LABEL: and_cmp: | 
|  | ; CHECK:       // %bb.0: | 
|  | ; CHECK-NEXT:    bics wzr, w1, w0 | 
|  | ; CHECK-NEXT:    cset w0, eq | 
|  | ; CHECK-NEXT:    ret | 
|  | ; | 
|  | %and = and i32 %x, %y | 
|  | %cmp = icmp eq i32 %and, %y | 
|  | ret i1 %cmp | 
|  | } | 
|  |  | 
|  | define i1 @and_cmp_const(i32 %x) { | 
|  | ; CHECK-LABEL: and_cmp_const: | 
|  | ; CHECK:       // %bb.0: | 
|  | ; CHECK-NEXT:    mov w8, #43 | 
|  | ; CHECK-NEXT:    bics wzr, w8, w0 | 
|  | ; CHECK-NEXT:    cset w0, eq | 
|  | ; CHECK-NEXT:    ret | 
|  | ; | 
|  | %and = and i32 %x, 43 | 
|  | %cmp = icmp eq i32 %and, 43 | 
|  | ret i1 %cmp | 
|  | } | 
|  |  |