# RUN: llc -O0 -run-pass=legalizer -global-isel %s -o - | FileCheck %s

--- |
  target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
  target triple = "aarch64--"
  define void @test_fneg_f32() {
  entry:
    ret void
  }
  define void @test_fneg_f64() {
  entry:
    ret void
  }
...
---
name:            test_fneg_f32
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
body:             |
  bb.1:
    liveins: %s0
    ; CHECK-LABEL: name: test_fneg_f32
    ; CHECK: [[VAR:%[0-9]+]](s32) = COPY %s0
    ; CHECK: [[ZERO:%[0-9]+]](s32) = G_FCONSTANT float -0.000000e+00
    ; CHECK: [[RES:%[0-9]+]](s32) = G_FSUB [[ZERO]], [[VAR]]
    ; CHECK: %s0 = COPY [[RES]](s32)
    %0(s32) = COPY %s0
    %1(s32) = G_FNEG %0
    %s0 = COPY %1(s32)
...
---
name:            test_fneg_f64
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
body:             |
  bb.1:
    liveins: %d0
    ; CHECK-LABEL: name: test_fneg_f64
    ; CHECK: [[VAR:%[0-9]+]](s64) = COPY %d0
    ; CHECK: [[ZERO:%[0-9]+]](s64) = G_FCONSTANT double -0.000000e+00
    ; CHECK: [[RES:%[0-9]+]](s64) = G_FSUB [[ZERO]], [[VAR]]
    ; CHECK: %d0 = COPY [[RES]](s64)
    %0(s64) = COPY %d0
    %1(s64) = G_FNEG %0
    %d0 = COPY %1(s64)
...