| ; 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 | |
| } | |