llvm/test/CodeGen/Thumb2/LowOverheadLoops/cmplx_cong.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve.fp -run-pass=arm-low-overhead-loops %s -o - | FileCheck %s

--- |

  @arm_cmplx_conj_f32_mve.cmplx_conj_sign = internal constant [4 x float] [float 1.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00], align 4

  ; Function Attrs: nounwind
  define hidden void @arm_cmplx_conj_f32_mve(float* %pSrc, float* %pDst, i32 %blockSize) local_unnamed_addr #0 {
  entry:
    ret void
  }

...
---
name:            arm_cmplx_conj_f32_mve
alignment:       4
tracksRegLiveness: true
registers:       []
liveins:
  - { reg: '$r0', virtual-reg: '' }
  - { reg: '$r1', virtual-reg: '' }
  - { reg: '$r2', virtual-reg: '' }
frameInfo:
  stackSize:       8
  offsetAdjustment: 0
  maxAlignment:    4
fixedStack:      []
stack:
  - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$lr', callee-saved-restored: false,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$r4', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
machineFunctionInfo: {}
body:             |
  ; CHECK-LABEL: name: arm_cmplx_conj_f32_mve
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x80000000)
  ; CHECK:   liveins: $lr, $r0, $r1, $r2, $r4
  ; CHECK:   frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $lr, implicit-def $sp, implicit $sp
  ; CHECK:   frame-setup CFI_INSTRUCTION def_cfa_offset 8
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $lr, -4
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r4, -8
  ; CHECK:   renamable $r3, dead $cpsr = tLSLri killed renamable $r2, 1, 14 /* CC::al */, $noreg
  ; CHECK:   $r4 = t2MOVi16 target-flags(arm-lo16) @arm_cmplx_conj_f32_mve.cmplx_conj_sign, 14 /* CC::al */, $noreg
  ; CHECK:   $r4 = t2MOVTi16 killed $r4, target-flags(arm-hi16) @arm_cmplx_conj_f32_mve.cmplx_conj_sign, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $q0 = nnan ninf nsz MVE_VLDRWU32 killed renamable $r4, 0, 0, $noreg
  ; CHECK:   $lr = MVE_DLSTP_32 killed renamable $r3
  ; CHECK: bb.1 (align 4):
  ; CHECK:   successors: %bb.1(0x7c000000), %bb.2(0x04000000)
  ; CHECK:   liveins: $lr, $q0, $r0, $r1
  ; CHECK:   renamable $q1 = nnan ninf nsz MVE_VLDRWU32 renamable $r0, 0, 0, $noreg
  ; CHECK:   renamable $q1 = nnan ninf nsz MVE_VMULf32 killed renamable $q1, renamable $q0, 0, $noreg, undef renamable $q1
  ; CHECK:   MVE_VSTRWU32 killed renamable $q1, renamable $r1, 0, 0, killed $noreg
  ; CHECK:   renamable $r1, dead $cpsr = nuw tADDi8 killed renamable $r1, 16, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r0, dead $cpsr = nuw tADDi8 killed renamable $r0, 16, 14 /* CC::al */, $noreg
  ; CHECK:   $lr = MVE_LETP killed renamable $lr, %bb.1
  ; CHECK: bb.2:
  ; CHECK:   tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $pc
  bb.0:
    successors: %bb.1(0x80000000)
    liveins: $r0, $r1, $r2, $r4, $lr

    frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $lr, implicit-def $sp, implicit $sp
    frame-setup CFI_INSTRUCTION def_cfa_offset 8
    frame-setup CFI_INSTRUCTION offset $lr, -4
    frame-setup CFI_INSTRUCTION offset $r4, -8
    renamable $r12 = t2MOVi 4, 14 /* CC::al */, $noreg, $noreg
    renamable $r3, dead $cpsr = tLSLri renamable $r2, 1, 14 /* CC::al */, $noreg
    tCMPi8 renamable $r3, 4, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2IT 11, 8, implicit-def $itstate
    $r12 = t2LSLri renamable $r2, 1, 11 /* CC::lt */, killed $cpsr, $noreg, implicit killed renamable $r12, implicit killed $itstate
    renamable $r2 = t2RSBrs killed renamable $r12, killed renamable $r2, 10, 14 /* CC::al */, $noreg, $noreg
    $r4 = t2MOVi16 target-flags(arm-lo16) @arm_cmplx_conj_f32_mve.cmplx_conj_sign, 14 /* CC::al */, $noreg
    renamable $r2, dead $cpsr = tADDi8 killed renamable $r2, 3, 14 /* CC::al */, $noreg
    renamable $lr = t2MOVi 1, 14 /* CC::al */, $noreg, $noreg
    $r4 = t2MOVTi16 killed $r4, target-flags(arm-hi16) @arm_cmplx_conj_f32_mve.cmplx_conj_sign, 14 /* CC::al */, $noreg
    renamable $q0 = nnan ninf nsz MVE_VLDRWU32 killed renamable $r4, 0, 0, $noreg
    renamable $lr = nuw nsw t2ADDrs killed renamable $lr, killed renamable $r2, 19, 14 /* CC::al */, $noreg, $noreg
    t2DoLoopStart renamable $lr

  bb.1 (align 4):
    successors: %bb.1(0x7c000000), %bb.2(0x04000000)
    liveins: $lr, $q0, $r0, $r1, $r3

    renamable $vpr = MVE_VCTP32 renamable $r3, 0, $noreg
    MVE_VPST 2, implicit $vpr
    renamable $q1 = nnan ninf nsz MVE_VLDRWU32 renamable $r0, 0, 1, renamable $vpr
    renamable $q1 = nnan ninf nsz MVE_VMULf32 killed renamable $q1, renamable $q0, 1, renamable $vpr, undef renamable $q1
    MVE_VSTRWU32 killed renamable $q1, renamable $r1, 0, 1, killed renamable $vpr
    renamable $r3, dead $cpsr = nsw tSUBi8 killed renamable $r3, 4, 14 /* CC::al */, $noreg
    renamable $r1, dead $cpsr = nuw tADDi8 killed renamable $r1, 16, 14 /* CC::al */, $noreg
    renamable $r0, dead $cpsr = nuw tADDi8 killed renamable $r0, 16, 14 /* CC::al */, $noreg
    renamable $lr = t2LoopDec killed renamable $lr, 1
    t2LoopEnd renamable $lr, %bb.1, implicit-def dead $cpsr
    tB %bb.2, 14 /* CC::al */, $noreg

  bb.2:
    tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $pc

...