llvm/test/CodeGen/Thumb2/mve-vpt-preuse.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass arm-mve-vpt %s -o - | FileCheck %s

--- |
  target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
  target triple = "thumbv8.1m.main-none-none-eabi"

  define arm_aapcs_vfpcc <4 x float> @vpt_preuse(<4 x float> %inactive1, <4 x float> %a, <4 x float> %b, i16 zeroext %p1, i16 zeroext %p2) #0 {
  entry:
    ;
    ; Intentionally left blank, see the MIR sequence below.
    ;
    ret <4 x float> %inactive1
  }

  attributes #0 = { "target-features"="+armv8.1-m.main,+hwdiv,+mve.fp,+ras,+thumb-mode" }

...
---
name:            vpt_preuse
alignment:       4
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
registers:       []
liveins:
  - { reg: '$q0', virtual-reg: '' }
  - { reg: '$q1', virtual-reg: '' }
  - { reg: '$q2', virtual-reg: '' }
  - { reg: '$q5', virtual-reg: '' }
  - { reg: '$r0', virtual-reg: '' }
  - { reg: '$r1', virtual-reg: '' }
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    0
  adjustsStack:    false
  hasCalls:        false
  stackProtector:  ''
  maxCallFrameSize: 0
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  localFrameSize:  0
  savePoint:       []
  restorePoint:    []
fixedStack:      []
stack:           []
constants:       []
body:             |
  bb.0:
  liveins: $lr, $q0, $q1, $q2, $q3, $q4, $q5, $r0, $r1, $r2, $r7, $r8, $r9, $r10, $r11, $r12


    ; CHECK-LABEL: name: vpt_preuse
    ; CHECK: successors: %bb.0(0x80000000)
    ; CHECK: liveins: $lr, $q0, $q1, $q2, $q3, $q4, $q5, $r0, $r1, $r2, $r7, $r8, $r9, $r10, $r11, $r12
    ; CHECK: renamable $vpr = MVE_VCMPu32 renamable $q1, renamable $q5, 2, 0, $noreg, $noreg
    ; CHECK: renamable $r4 = t2ADDrr renamable $r2, renamable $r10, 14 /* CC::al */, $noreg, $noreg
    ; CHECK: VSTR_P0_off renamable $vpr, $sp, 0, 14 /* CC::al */, $noreg
    ; CHECK: BUNDLE implicit-def $q6, implicit $vpr, implicit killed $r4 {
    ; CHECK:   MVE_VPST 8, implicit $vpr
    ; CHECK:   renamable $q6 = MVE_VLDRBU32 killed renamable $r4, 0, 1, renamable $vpr, $noreg
    ; CHECK: }
    ; CHECK: t2LoopEnd renamable $lr, %bb.0, implicit-def dead $cpsr
    ; CHECK: t2B %bb.0, 14 /* CC::al */, $noreg
  renamable $vpr = MVE_VCMPu32 renamable $q1, renamable $q5, 2, 0, $noreg, $noreg
  renamable $r4 = t2ADDrr renamable $r2, renamable $r10, 14, $noreg, $noreg
  VSTR_P0_off renamable $vpr, $sp, 0, 14, $noreg
  renamable $q6 = MVE_VLDRBU32 killed renamable $r4, 0, 1, renamable $vpr, $noreg
  t2LoopEnd renamable $lr, %bb.0, implicit-def dead $cpsr
  t2B %bb.0, 14, $noreg

...