| ; 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 |
| } |
| |