llvm/llvm/test/tools/UpdateTestChecks/update_mir_test_checks/Inputs/x86-MIFlags.mir

# RUN: llc -mtriple=x86_64-unknown-unknown -run-pass=finalize-isel -verify-machineinstrs  %s -o - | FileCheck %s --check-prefixes=CHECK

--- |


  define float @check_MI_flags(float %f) {
    %div = fdiv nsz float 1.000000e+00, %f
    ret float %div
  }

...
---
name:            check_MI_flags
alignment:       16
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
callsEHReturn:   false
callsUnwindInit: false
hasEHCatchret:   false
hasEHScopes:     false
hasEHFunclets:   false
failsVerification: false
tracksDebugUserValues: false
registers:
  - { id: 0, class: fr32, preferred-register: '' }
  - { id: 1, class: fr32, preferred-register: '' }
  - { id: 2, class: fr32, preferred-register: '' }
liveins:
  - { reg: '$xmm0', virtual-reg: '%0' }
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    1
  adjustsStack:    false
  hasCalls:        false
  stackProtector:  ''
  functionContext: ''
  maxCallFrameSize: 4294967295
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  hasTailCall:     false
  localFrameSize:  0
  savePoint:       ''
  restorePoint:    ''
fixedStack:      []
stack:           []
callSites:       []
debugValueSubstitutions: []
constants:
  - id:              0
    value:           'float 1.000000e+00'
    alignment:       4
    isTargetSpecific: false
machineFunctionInfo: {}
body:             |
  bb.0 (%ir-block.0):
    liveins: $xmm0

    %0:fr32 = COPY $xmm0
    %1:fr32 = MOVSSrm_alt $rip, 1, $noreg, %const.0, $noreg :: (load (s32) from constant-pool)
    %2:fr32 = nsz nofpexcept DIVSSrr %1, %0, implicit $mxcsr
    $xmm0 = COPY %2
    RET 0, $xmm0

...