test/CodeGen/AArch64/neg-abs.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs \
; RUN:   -mtriple=aarch64-unknown-unknown < %s | FileCheck %s

declare i64 @llvm.abs.i64(i64, i1 immarg)

define i64@neg_abs(i64 %x) {
; CHECK-LABEL: neg_abs:
; CHECK:       // %bb.0:
; CHECK-NEXT:    cmp x0, #0 // =0
; CHECK-NEXT:    cneg x8, x0, mi
; CHECK-NEXT:    neg x0, x8
; CHECK-NEXT:    ret
  %abs = tail call i64 @llvm.abs.i64(i64 %x, i1 true)
  %neg = sub nsw i64 0, %abs
  ret i64 %neg
}