| ; RUN: llc < %s -mtriple=arm64-eabi | FileCheck %s | |
| ; Optimize (x > -1) to (x >= 0) etc. | |
| ; Optimize (cmp (add / sub), 0): eliminate the subs used to update flag | |
| ; for comparison only | |
| ; rdar://10233472 | |
| define i32 @t1(i64 %a) { | |
| ; CHECK-LABEL: t1: | |
| ; CHECK: // %bb.0: | |
| ; CHECK-NEXT: lsr x8, x0, #63 | |
| ; CHECK-NEXT: eor w0, w8, #0x1 | |
| ; CHECK-NEXT: ret | |
| ; | |
| %cmp = icmp sgt i64 %a, -1 | |
| %conv = zext i1 %cmp to i32 | |
| ret i32 %conv | |
| } |