; RUN: llc < %s -march=x86-64 | FileCheck %s | |
;; Integer absolute value, should produce something at least as good as: | |
;; movl %edi, %eax | |
;; negl %eax | |
;; cmovll %edi, %eax | |
;; ret | |
; rdar://10695237 | |
define i32 @test(i32 %a) nounwind { | |
; CHECK: test: | |
; CHECK: mov | |
; CHECK-NEXT: neg | |
; CHECK-NEXT: cmov | |
; CHECK-NEXT: ret | |
%tmp1neg = sub i32 0, %a | |
%b = icmp sgt i32 %a, -1 | |
%abs = select i1 %b, i32 %a, i32 %tmp1neg | |
ret i32 %abs | |
} | |