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

--- |
  define dso_local arm_aapcscc i32 @test1(i32* nocapture %arg, i32* nocapture readonly %arg1, i32* nocapture readonly %arg2, i32 %arg3) {
  bb:
    %tmp = icmp eq i32 %arg3, 0
    br i1 %tmp, label %bb27, label %bb4

  bb4:                                              ; preds = %bb
    %tmp5 = add i32 %arg3, -1
    %tmp6 = and i32 %arg3, 3
    %tmp7 = icmp ult i32 %tmp5, 3
    %tmp8 = add i32 %arg3, -4
    %tmp9 = sub i32 %tmp8, %tmp6
    %tmp10 = lshr i32 %tmp9, 2
    %tmp11 = add nuw nsw i32 %tmp10, 1
    br i1 %tmp7, label %bb13, label %bb12

  bb12:                                             ; preds = %bb4
    %start = call i32 @llvm.start.loop.iterations.i32(i32 %tmp11)
    br label %bb28

  bb13:                                             ; preds = %bb28, %bb4
    %tmp14 = phi i32 [ 0, %bb4 ], [ %tmp54, %bb28 ]
    %exit.count = phi i32 [ 0, %bb4 ], [ %loop.dec, %bb28 ]
    %tmp15 = icmp eq i32 %tmp6, 0
    br i1 %tmp15, label %bb27, label %bb16

  bb16:                                             ; preds = %bb13
    %tmp17 = getelementptr inbounds i32, i32* %arg1, i32 %tmp14
    %tmp18 = load i32, i32* %tmp17, align 4
    %tmp19 = getelementptr inbounds i32, i32* %arg2, i32 %tmp14
    %tmp20 = load i32, i32* %tmp19, align 4
    %tmp21 = xor i32 %tmp20, %tmp18
    %tmp22 = getelementptr inbounds i32, i32* %arg, i32 %tmp14
    %tmp23 = load i32, i32* %tmp22, align 4
    %tmp24 = add nsw i32 %tmp23, %tmp21
    store i32 %tmp24, i32* %tmp22, align 4
    %tmp25 = add nuw i32 %tmp14, 1
    %tmp26 = icmp eq i32 %tmp6, 1
    br i1 %tmp26, label %bb27, label %bb57

  bb27:                                             ; preds = %bb68, %bb57, %bb16, %bb13, %bb
    %res = phi i32 [ %exit.count, %bb13 ], [ 3, %bb68 ], [ 2, %bb57 ], [ 1, %bb16 ], [ 0, %bb ]
    ret i32 %res

  bb28:                                             ; preds = %bb28, %bb12
    %lsr.iv15 = phi i32 [ %lsr.iv.next16, %bb28 ], [ %start, %bb12 ]
    %lsr.iv = phi i32 [ %lsr.iv.next, %bb28 ], [ 0, %bb12 ]
    %tmp29 = phi i32 [ 0, %bb12 ], [ %tmp54, %bb28 ]
    %0 = bitcast i32* %arg1 to i8*
    %1 = bitcast i32* %arg2 to i8*
    %2 = bitcast i32* %arg to i8*
    %uglygep14 = getelementptr i8, i8* %0, i32 %lsr.iv
    %uglygep1415 = bitcast i8* %uglygep14 to i32*
    %scevgep617 = bitcast i32* %uglygep1415 to i32*
    %tmp34 = load i32, i32* %scevgep617, align 4
    %uglygep8 = getelementptr i8, i8* %1, i32 %lsr.iv
    %uglygep89 = bitcast i8* %uglygep8 to i32*
    %scevgep418 = bitcast i32* %uglygep89 to i32*
    %tmp35 = load i32, i32* %scevgep418, align 4
    %tmp36 = xor i32 %tmp35, %tmp34
    %uglygep2 = getelementptr i8, i8* %2, i32 %lsr.iv
    %uglygep23 = bitcast i8* %uglygep2 to i32*
    %scevgep219 = bitcast i32* %uglygep23 to i32*
    %tmp37 = load i32, i32* %scevgep219, align 4
    %tmp38 = add nsw i32 %tmp37, %tmp36
    store i32 %tmp38, i32* %scevgep219, align 4
    %uglygep33 = getelementptr i8, i8* %0, i32 %lsr.iv
    %uglygep3334 = bitcast i8* %uglygep33 to i32*
    %scevgep14 = getelementptr i32, i32* %uglygep3334, i32 1
    %tmp39 = load i32, i32* %scevgep14, align 4
    %uglygep27 = getelementptr i8, i8* %1, i32 %lsr.iv
    %uglygep2728 = bitcast i8* %uglygep27 to i32*
    %scevgep11 = getelementptr i32, i32* %uglygep2728, i32 1
    %tmp40 = load i32, i32* %scevgep11, align 4
    %tmp41 = xor i32 %tmp40, %tmp39
    %uglygep20 = getelementptr i8, i8* %2, i32 %lsr.iv
    %uglygep2021 = bitcast i8* %uglygep20 to i32*
    %scevgep9 = getelementptr i32, i32* %uglygep2021, i32 1
    %tmp42 = load i32, i32* %scevgep9, align 4
    %tmp43 = add nsw i32 %tmp42, %tmp41
    store i32 %tmp43, i32* %scevgep9, align 4
    %uglygep30 = getelementptr i8, i8* %0, i32 %lsr.iv
    %uglygep3031 = bitcast i8* %uglygep30 to i32*
    %scevgep12 = getelementptr i32, i32* %uglygep3031, i32 2
    %tmp44 = load i32, i32* %scevgep12, align 4
    %uglygep24 = getelementptr i8, i8* %1, i32 %lsr.iv
    %uglygep2425 = bitcast i8* %uglygep24 to i32*
    %scevgep10 = getelementptr i32, i32* %uglygep2425, i32 2
    %tmp45 = load i32, i32* %scevgep10, align 4
    %tmp46 = xor i32 %tmp45, %tmp44
    %uglygep17 = getelementptr i8, i8* %2, i32 %lsr.iv
    %uglygep1718 = bitcast i8* %uglygep17 to i32*
    %scevgep8 = getelementptr i32, i32* %uglygep1718, i32 2
    %tmp47 = load i32, i32* %scevgep8, align 4
    %tmp48 = add nsw i32 %tmp47, %tmp46
    store i32 %tmp48, i32* %scevgep8, align 4
    %uglygep11 = getelementptr i8, i8* %0, i32 %lsr.iv
    %uglygep1112 = bitcast i8* %uglygep11 to i32*
    %scevgep5 = getelementptr i32, i32* %uglygep1112, i32 3
    %tmp49 = load i32, i32* %scevgep5, align 4
    %uglygep5 = getelementptr i8, i8* %1, i32 %lsr.iv
    %uglygep56 = bitcast i8* %uglygep5 to i32*
    %scevgep3 = getelementptr i32, i32* %uglygep56, i32 3
    %tmp50 = load i32, i32* %scevgep3, align 4
    %tmp51 = xor i32 %tmp50, %tmp49
    %uglygep = getelementptr i8, i8* %2, i32 %lsr.iv
    %uglygep1 = bitcast i8* %uglygep to i32*
    %scevgep1 = getelementptr i32, i32* %uglygep1, i32 3
    %tmp52 = load i32, i32* %scevgep1, align 4
    %tmp53 = add nsw i32 %tmp52, %tmp51
    store i32 %tmp53, i32* %scevgep1, align 4
    %tmp54 = add nuw i32 %tmp29, 4
    %lsr.iv.next = add i32 %lsr.iv, 16
    %loop.dec = call i32 @llvm.loop.decrement.reg.i32.i32.i32(i32 %lsr.iv15, i32 1)
    %tmp56 = icmp ne i32 %loop.dec, 0
    %lsr.iv.next16 = add nsw i32 %lsr.iv15, -1
    br i1 %tmp56, label %bb28, label %bb13

  bb57:                                             ; preds = %bb16
    %tmp58 = getelementptr inbounds i32, i32* %arg1, i32 %tmp25
    %tmp59 = load i32, i32* %tmp58, align 4
    %tmp60 = getelementptr inbounds i32, i32* %arg2, i32 %tmp25
    %tmp61 = load i32, i32* %tmp60, align 4
    %tmp62 = xor i32 %tmp61, %tmp59
    %tmp63 = getelementptr inbounds i32, i32* %arg, i32 %tmp25
    %tmp64 = load i32, i32* %tmp63, align 4
    %tmp65 = add nsw i32 %tmp64, %tmp62
    store i32 %tmp65, i32* %tmp63, align 4
    %tmp66 = add nuw i32 %tmp14, 2
    %tmp67 = icmp eq i32 %tmp6, 2
    br i1 %tmp67, label %bb27, label %bb68

  bb68:                                             ; preds = %bb57
    %tmp69 = getelementptr inbounds i32, i32* %arg1, i32 %tmp66
    %tmp70 = load i32, i32* %tmp69, align 4
    %tmp71 = getelementptr inbounds i32, i32* %arg2, i32 %tmp66
    %tmp72 = load i32, i32* %tmp71, align 4
    %tmp73 = xor i32 %tmp72, %tmp70
    %tmp74 = getelementptr inbounds i32, i32* %arg, i32 %tmp66
    %tmp75 = load i32, i32* %tmp74, align 4
    %tmp76 = add nsw i32 %tmp75, %tmp73
    store i32 %tmp76, i32* %tmp74, align 4
    br label %bb27
  }

  declare i32 @llvm.start.loop.iterations.i32(i32)
  declare i32 @llvm.loop.decrement.reg.i32.i32.i32(i32, i32)

...
---
name:            test1
alignment:       2
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
registers:       []
liveins:
  - { reg: '$r0', virtual-reg: '' }
  - { reg: '$r1', virtual-reg: '' }
  - { reg: '$r2', virtual-reg: '' }
  - { reg: '$r3', virtual-reg: '' }
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       40
  offsetAdjustment: 0
  maxAlignment:    4
  adjustsStack:    false
  hasCalls:        false
  stackProtector:  ''
  maxCallFrameSize: 0
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  localFrameSize:  0
  savePoint:       ''
  restorePoint:    ''
fixedStack:      []
stack:
  - { id: 0, name: '', type: spill-slot, offset: -40, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 1, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$lr', callee-saved-restored: false,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 2, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$r11', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 3, name: '', type: spill-slot, offset: -12, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$r10', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 4, name: '', type: spill-slot, offset: -16, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$r9', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 5, name: '', type: spill-slot, offset: -20, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$r8', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 6, name: '', type: spill-slot, offset: -24, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$r7', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 7, name: '', type: spill-slot, offset: -28, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$r6', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 8, name: '', type: spill-slot, offset: -32, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$r5', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 9, name: '', type: spill-slot, offset: -36, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$r4', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
callSites:       []
constants:       []
machineFunctionInfo: {}
body:             |
  ; CHECK-LABEL: name: test1
  ; CHECK: bb.0.bb:
  ; CHECK:   successors: %bb.3(0x30000000), %bb.1(0x50000000)
  ; CHECK:   liveins: $lr, $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10, $r11
  ; CHECK:   $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $r8, killed $r9, killed $r10, killed $r11, killed $lr
  ; CHECK:   frame-setup CFI_INSTRUCTION def_cfa_offset 36
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $lr, -4
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r11, -8
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r10, -12
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r9, -16
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r8, -20
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r7, -24
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r6, -28
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r5, -32
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r4, -36
  ; CHECK:   $sp = frame-setup tSUBspi $sp, 1, 14 /* CC::al */, $noreg
  ; CHECK:   frame-setup CFI_INSTRUCTION def_cfa_offset 40
  ; CHECK:   tCBZ $r3, %bb.3
  ; CHECK: bb.1.bb4:
  ; CHECK:   successors: %bb.2(0x40000000), %bb.4(0x40000000)
  ; CHECK:   liveins: $r0, $r1, $r2, $r3
  ; CHECK:   renamable $r4, dead $cpsr = tSUBi3 renamable $r3, 1, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r7 = t2ANDri renamable $r3, 3, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   tCMPi8 killed renamable $r4, 3, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   tSTRspi killed renamable $r7, $sp, 0, 14 /* CC::al */, $noreg :: (store 4 into %stack.0)
  ; CHECK:   tBcc %bb.4, 2 /* CC::hs */, killed $cpsr
  ; CHECK: bb.2:
  ; CHECK:   successors: %bb.6(0x80000000)
  ; CHECK:   liveins: $r0, $r1, $r2
  ; CHECK:   renamable $r8 = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $lr = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   tB %bb.6, 14 /* CC::al */, $noreg
  ; CHECK: bb.3:
  ; CHECK:   successors: %bb.12(0x80000000)
  ; CHECK:   renamable $lr = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   tB %bb.12, 14 /* CC::al */, $noreg
  ; CHECK: bb.4.bb12:
  ; CHECK:   successors: %bb.5(0x80000000)
  ; CHECK:   liveins: $r0, $r1, $r2, $r3
  ; CHECK:   renamable $r3 = t2BICri killed renamable $r3, 3, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $r4, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 4, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r8 = t2MOVi 0, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $r3 = nuw nsw t2ADDrs killed renamable $r4, killed renamable $r3, 19, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   dead $lr = t2DLS renamable $r3
  ; CHECK:   $lr = tMOVr killed $r3, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r3, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
  ; CHECK: bb.5.bb28:
  ; CHECK:   successors: %bb.5(0x7c000000), %bb.6(0x04000000)
  ; CHECK:   liveins: $lr, $r0, $r1, $r2, $r3, $r8
  ; CHECK:   renamable $r5 = tLDRr renamable $r1, $r3, 14 /* CC::al */, $noreg :: (load 4 from %ir.scevgep617)
  ; CHECK:   renamable $r7, dead $cpsr = tADDrr renamable $r2, renamable $r3, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r6 = tLDRr renamable $r2, $r3, 14 /* CC::al */, $noreg :: (load 4 from %ir.scevgep418)
  ; CHECK:   dead $r12 = tMOVr $lr, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r8 = nuw t2ADDri killed renamable $r8, 4, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $r5, dead $cpsr = tEOR killed renamable $r5, killed renamable $r6, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r6 = tLDRr renamable $r0, $r3, 14 /* CC::al */, $noreg :: (load 4 from %ir.scevgep219)
  ; CHECK:   renamable $r5 = nsw tADDhirr killed renamable $r5, killed renamable $r6, 14 /* CC::al */, $noreg
  ; CHECK:   tSTRr killed renamable $r5, renamable $r0, $r3, 14 /* CC::al */, $noreg :: (store 4 into %ir.scevgep219)
  ; CHECK:   renamable $r5, dead $cpsr = tADDrr renamable $r1, renamable $r3, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r4 = tLDRi renamable $r7, 1, 14 /* CC::al */, $noreg :: (load 4 from %ir.scevgep11)
  ; CHECK:   renamable $r6 = tLDRi renamable $r5, 1, 14 /* CC::al */, $noreg :: (load 4 from %ir.scevgep14)
  ; CHECK:   renamable $r9 = t2EORrr killed renamable $r4, killed renamable $r6, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $r6, dead $cpsr = tADDrr renamable $r0, renamable $r3, 14 /* CC::al */, $noreg
  ; CHECK:   $r11 = t2ADDri $r6, 4, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $r3, dead $cpsr = tADDi8 killed renamable $r3, 16, 14 /* CC::al */, $noreg
  ; CHECK:   t2LDMIA killed $r11, 14 /* CC::al */, $noreg, def $r4, def $r10, def $r11 :: (load 4 from %ir.scevgep9), (load 4 from %ir.scevgep8), (load 4 from %ir.scevgep1)
  ; CHECK:   renamable $r4 = nsw tADDhirr killed renamable $r4, killed renamable $r9, 14 /* CC::al */, $noreg
  ; CHECK:   tSTRi killed renamable $r4, renamable $r6, 1, 14 /* CC::al */, $noreg :: (store 4 into %ir.scevgep9)
  ; CHECK:   renamable $r9 = t2LDRi12 renamable $r5, 8, 14 /* CC::al */, $noreg :: (load 4 from %ir.scevgep12)
  ; CHECK:   renamable $r4 = tLDRi renamable $r7, 2, 14 /* CC::al */, $noreg :: (load 4 from %ir.scevgep10)
  ; CHECK:   renamable $r4 = t2EORrr killed renamable $r4, killed renamable $r9, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $r4 = nsw tADDhirr killed renamable $r4, killed renamable $r10, 14 /* CC::al */, $noreg
  ; CHECK:   tSTRi killed renamable $r4, renamable $r6, 2, 14 /* CC::al */, $noreg :: (store 4 into %ir.scevgep8)
  ; CHECK:   renamable $r4 = tLDRi killed renamable $r5, 3, 14 /* CC::al */, $noreg :: (load 4 from %ir.scevgep5)
  ; CHECK:   renamable $r5 = tLDRi killed renamable $r7, 3, 14 /* CC::al */, $noreg :: (load 4 from %ir.scevgep3)
  ; CHECK:   renamable $r4, dead $cpsr = tEOR killed renamable $r4, killed renamable $r5, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r4 = nsw tADDhirr killed renamable $r4, killed renamable $r11, 14 /* CC::al */, $noreg
  ; CHECK:   tSTRi killed renamable $r4, killed renamable $r6, 3, 14 /* CC::al */, $noreg :: (store 4 into %ir.scevgep1)
  ; CHECK:   $lr = t2LEUpdate killed renamable $lr, %bb.5
  ; CHECK: bb.6.bb13:
  ; CHECK:   successors: %bb.12(0x30000000), %bb.7(0x50000000)
  ; CHECK:   liveins: $lr, $r0, $r1, $r2, $r8
  ; CHECK:   renamable $r5 = tLDRspi $sp, 0, 14 /* CC::al */, $noreg :: (load 4 from %stack.0)
  ; CHECK:   tCBZ $r5, %bb.12
  ; CHECK: bb.7.bb16:
  ; CHECK:   successors: %bb.8(0x40000000), %bb.9(0x40000000)
  ; CHECK:   liveins: $r0, $r1, $r2, $r5, $r8
  ; CHECK:   renamable $lr = t2LDRs renamable $r1, renamable $r8, 2, 14 /* CC::al */, $noreg :: (load 4 from %ir.tmp17)
  ; CHECK:   tCMPi8 renamable $r5, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   renamable $r3 = t2LDRs renamable $r2, renamable $r8, 2, 14 /* CC::al */, $noreg :: (load 4 from %ir.tmp19)
  ; CHECK:   renamable $lr = t2EORrr killed renamable $lr, killed renamable $r3, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $r3 = t2LDRs renamable $r0, renamable $r8, 2, 14 /* CC::al */, $noreg :: (load 4 from %ir.tmp22)
  ; CHECK:   renamable $r3 = nsw tADDhirr killed renamable $r3, killed renamable $lr, 14 /* CC::al */, $noreg
  ; CHECK:   t2STRs killed renamable $r3, renamable $r0, renamable $r8, 2, 14 /* CC::al */, $noreg :: (store 4 into %ir.tmp22)
  ; CHECK:   tBcc %bb.9, 1 /* CC::ne */, killed $cpsr
  ; CHECK: bb.8:
  ; CHECK:   successors: %bb.12(0x80000000)
  ; CHECK:   renamable $lr = t2MOVi 1, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   tB %bb.12, 14 /* CC::al */, $noreg
  ; CHECK: bb.9.bb57:
  ; CHECK:   successors: %bb.10(0x40000000), %bb.11(0x40000000)
  ; CHECK:   liveins: $r0, $r1, $r2, $r5, $r8
  ; CHECK:   renamable $r3 = nuw t2ADDri renamable $r8, 1, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   tCMPi8 killed renamable $r5, 2, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   renamable $r7 = t2LDRs renamable $r1, renamable $r3, 2, 14 /* CC::al */, $noreg :: (load 4 from %ir.tmp58)
  ; CHECK:   renamable $r6 = t2LDRs renamable $r2, renamable $r3, 2, 14 /* CC::al */, $noreg :: (load 4 from %ir.tmp60)
  ; CHECK:   renamable $r7 = t2EORrr killed renamable $r7, killed renamable $r6, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $r6 = t2LDRs renamable $r0, renamable $r3, 2, 14 /* CC::al */, $noreg :: (load 4 from %ir.tmp63)
  ; CHECK:   renamable $r7 = nsw tADDhirr killed renamable $r7, killed renamable $r6, 14 /* CC::al */, $noreg
  ; CHECK:   t2STRs killed renamable $r7, renamable $r0, killed renamable $r3, 2, 14 /* CC::al */, $noreg :: (store 4 into %ir.tmp63)
  ; CHECK:   tBcc %bb.11, 1 /* CC::ne */, killed $cpsr
  ; CHECK: bb.10:
  ; CHECK:   successors: %bb.12(0x80000000)
  ; CHECK:   renamable $lr = t2MOVi 2, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   tB %bb.12, 14 /* CC::al */, $noreg
  ; CHECK: bb.11.bb68:
  ; CHECK:   successors: %bb.12(0x80000000)
  ; CHECK:   liveins: $r0, $r1, $r2, $r8
  ; CHECK:   renamable $r3 = nuw t2ADDri killed renamable $r8, 2, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $lr = t2MOVi 3, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   renamable $r1 = t2LDRs killed renamable $r1, renamable $r3, 2, 14 /* CC::al */, $noreg :: (load 4 from %ir.tmp69)
  ; CHECK:   renamable $r2 = t2LDRs killed renamable $r2, renamable $r3, 2, 14 /* CC::al */, $noreg :: (load 4 from %ir.tmp71)
  ; CHECK:   renamable $r1, dead $cpsr = tEOR killed renamable $r1, killed renamable $r2, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r2 = t2LDRs renamable $r0, renamable $r3, 2, 14 /* CC::al */, $noreg :: (load 4 from %ir.tmp74)
  ; CHECK:   renamable $r1 = nsw tADDhirr killed renamable $r1, killed renamable $r2, 14 /* CC::al */, $noreg
  ; CHECK:   t2STRs killed renamable $r1, killed renamable $r0, killed renamable $r3, 2, 14 /* CC::al */, $noreg :: (store 4 into %ir.tmp74)
  ; CHECK: bb.12.bb27:
  ; CHECK:   liveins: $lr
  ; CHECK:   $r0 = tMOVr killed $lr, 14 /* CC::al */, $noreg
  ; CHECK:   $sp = tADDspi $sp, 1, 14 /* CC::al */, $noreg
  ; CHECK:   $sp = t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $r11, def $pc, implicit killed $r0
  bb.0.bb:
    successors: %bb.3(0x30000000), %bb.1(0x50000000)
    liveins: $r0, $r1, $r2, $r3, $r4, $r5, $r6, $r7, $r8, $r9, $r10, $r11, $lr

    $sp = frame-setup t2STMDB_UPD $sp, 14, $noreg, killed $r4, killed $r5, killed $r6, killed $r7, killed $r8, killed $r9, killed $r10, killed $r11, killed $lr
    frame-setup CFI_INSTRUCTION def_cfa_offset 36
    frame-setup CFI_INSTRUCTION offset $lr, -4
    frame-setup CFI_INSTRUCTION offset $r11, -8
    frame-setup CFI_INSTRUCTION offset $r10, -12
    frame-setup CFI_INSTRUCTION offset $r9, -16
    frame-setup CFI_INSTRUCTION offset $r8, -20
    frame-setup CFI_INSTRUCTION offset $r7, -24
    frame-setup CFI_INSTRUCTION offset $r6, -28
    frame-setup CFI_INSTRUCTION offset $r5, -32
    frame-setup CFI_INSTRUCTION offset $r4, -36
    $sp = frame-setup tSUBspi $sp, 1, 14, $noreg
    frame-setup CFI_INSTRUCTION def_cfa_offset 40
    tCBZ $r3, %bb.3

  bb.1.bb4:
    successors: %bb.2(0x40000000), %bb.4(0x40000000)
    liveins: $r0, $r1, $r2, $r3

    renamable $r4, dead $cpsr = tSUBi3 renamable $r3, 1, 14, $noreg
    renamable $r7 = t2ANDri renamable $r3, 3, 14, $noreg, $noreg
    tCMPi8 killed renamable $r4, 3, 14, $noreg, implicit-def $cpsr
    tSTRspi killed renamable $r7, $sp, 0, 14, $noreg :: (store 4 into %stack.0)
    tBcc %bb.4, 2, killed $cpsr

  bb.2:
    successors: %bb.6(0x80000000)
    liveins: $r0, $r1, $r2

    renamable $r8 = t2MOVi 0, 14, $noreg, $noreg
    renamable $lr = t2MOVi 0, 14, $noreg, $noreg
    tB %bb.6, 14, $noreg

  bb.3:
    successors: %bb.12(0x80000000)

    renamable $lr = t2MOVi 0, 14, $noreg, $noreg
    tB %bb.12, 14, $noreg

  bb.4.bb12:
    successors: %bb.5(0x80000000)
    liveins: $r0, $r1, $r2, $r3

    renamable $r3 = t2BICri killed renamable $r3, 3, 14, $noreg, $noreg
    renamable $r4, dead $cpsr = tMOVi8 1, 14, $noreg
    renamable $r3, dead $cpsr = tSUBi8 killed renamable $r3, 4, 14, $noreg
    renamable $r8 = t2MOVi 0, 14, $noreg, $noreg
    renamable $r3 = nuw nsw t2ADDrs killed renamable $r4, killed renamable $r3, 19, 14, $noreg, $noreg
    $lr = t2DoLoopStart renamable $r3
    $lr = tMOVr killed $r3, 14, $noreg
    renamable $r3, dead $cpsr = tMOVi8 0, 14, $noreg

  bb.5.bb28:
    successors: %bb.5(0x7c000000), %bb.6(0x04000000)
    liveins: $r0, $r1, $r2, $r3, $r8, $lr

    renamable $r5 = tLDRr renamable $r1, $r3, 14, $noreg :: (load 4 from %ir.scevgep617)
    renamable $r7, dead $cpsr = tADDrr renamable $r2, renamable $r3, 14, $noreg
    renamable $r6 = tLDRr renamable $r2, $r3, 14, $noreg :: (load 4 from %ir.scevgep418)
    $r12 = tMOVr $lr, 14, $noreg
    renamable $r8 = nuw t2ADDri killed renamable $r8, 4, 14, $noreg, $noreg
    renamable $r5, dead $cpsr = tEOR killed renamable $r5, killed renamable $r6, 14, $noreg
    renamable $r6 = tLDRr renamable $r0, $r3, 14, $noreg :: (load 4 from %ir.scevgep219)
    renamable $lr = t2LoopDec killed renamable $lr, 1
    renamable $r5 = nsw tADDhirr killed renamable $r5, killed renamable $r6, 14, $noreg
    tSTRr killed renamable $r5, renamable $r0, $r3, 14, $noreg :: (store 4 into %ir.scevgep219)
    renamable $r5, dead $cpsr = tADDrr renamable $r1, renamable $r3, 14, $noreg
    renamable $r4 = tLDRi renamable $r7, 1, 14, $noreg :: (load 4 from %ir.scevgep11)
    renamable $r6 = tLDRi renamable $r5, 1, 14, $noreg :: (load 4 from %ir.scevgep14)
    renamable $r9 = t2EORrr killed renamable $r4, killed renamable $r6, 14, $noreg, $noreg
    renamable $r6, dead $cpsr = tADDrr renamable $r0, renamable $r3, 14, $noreg
    $r11 = t2ADDri $r6, 4, 14, $noreg, $noreg
    renamable $r3, dead $cpsr = tADDi8 killed renamable $r3, 16, 14, $noreg
    t2LDMIA killed $r11, 14, $noreg, def $r4, def $r10, def $r11 :: (load 4 from %ir.scevgep9), (load 4 from %ir.scevgep8), (load 4 from %ir.scevgep1)
    renamable $r4 = nsw tADDhirr killed renamable $r4, killed renamable $r9, 14, $noreg
    tSTRi killed renamable $r4, renamable $r6, 1, 14, $noreg :: (store 4 into %ir.scevgep9)
    renamable $r9 = t2LDRi12 renamable $r5, 8, 14, $noreg :: (load 4 from %ir.scevgep12)
    renamable $r4 = tLDRi renamable $r7, 2, 14, $noreg :: (load 4 from %ir.scevgep10)
    renamable $r4 = t2EORrr killed renamable $r4, killed renamable $r9, 14, $noreg, $noreg
    renamable $r4 = nsw tADDhirr killed renamable $r4, killed renamable $r10, 14, $noreg
    tSTRi killed renamable $r4, renamable $r6, 2, 14, $noreg :: (store 4 into %ir.scevgep8)
    renamable $r4 = tLDRi killed renamable $r5, 3, 14, $noreg :: (load 4 from %ir.scevgep5)
    renamable $r5 = tLDRi killed renamable $r7, 3, 14, $noreg :: (load 4 from %ir.scevgep3)
    renamable $r4, dead $cpsr = tEOR killed renamable $r4, killed renamable $r5, 14, $noreg
    renamable $r4 = nsw tADDhirr killed renamable $r4, killed renamable $r11, 14, $noreg
    tSTRi killed renamable $r4, killed renamable $r6, 3, 14, $noreg :: (store 4 into %ir.scevgep1)
    t2LoopEnd renamable $lr, %bb.5, implicit-def dead $cpsr
    tB %bb.6, 14, $noreg

  bb.6.bb13:
    successors: %bb.12(0x30000000), %bb.7(0x50000000)
    liveins: $lr, $r0, $r1, $r2, $r8

    renamable $r5 = tLDRspi $sp, 0, 14, $noreg :: (load 4 from %stack.0)
    tCBZ $r5, %bb.12

  bb.7.bb16:
    successors: %bb.8(0x40000000), %bb.9(0x40000000)
    liveins: $r0, $r1, $r2, $r5, $r8

    renamable $lr = t2LDRs renamable $r1, renamable $r8, 2, 14, $noreg :: (load 4 from %ir.tmp17)
    tCMPi8 renamable $r5, 1, 14, $noreg, implicit-def $cpsr
    renamable $r3 = t2LDRs renamable $r2, renamable $r8, 2, 14, $noreg :: (load 4 from %ir.tmp19)
    renamable $lr = t2EORrr killed renamable $lr, killed renamable $r3, 14, $noreg, $noreg
    renamable $r3 = t2LDRs renamable $r0, renamable $r8, 2, 14, $noreg :: (load 4 from %ir.tmp22)
    renamable $r3 = nsw tADDhirr killed renamable $r3, killed renamable $lr, 14, $noreg
    t2STRs killed renamable $r3, renamable $r0, renamable $r8, 2, 14, $noreg :: (store 4 into %ir.tmp22)
    tBcc %bb.9, 1, killed $cpsr

  bb.8:
    successors: %bb.12(0x80000000)

    renamable $lr = t2MOVi 1, 14, $noreg, $noreg
    tB %bb.12, 14, $noreg

  bb.9.bb57:
    successors: %bb.10(0x40000000), %bb.11(0x40000000)
    liveins: $r0, $r1, $r2, $r5, $r8

    renamable $r3 = nuw t2ADDri renamable $r8, 1, 14, $noreg, $noreg
    tCMPi8 killed renamable $r5, 2, 14, $noreg, implicit-def $cpsr
    renamable $r7 = t2LDRs renamable $r1, renamable $r3, 2, 14, $noreg :: (load 4 from %ir.tmp58)
    renamable $r6 = t2LDRs renamable $r2, renamable $r3, 2, 14, $noreg :: (load 4 from %ir.tmp60)
    renamable $r7 = t2EORrr killed renamable $r7, killed renamable $r6, 14, $noreg, $noreg
    renamable $r6 = t2LDRs renamable $r0, renamable $r3, 2, 14, $noreg :: (load 4 from %ir.tmp63)
    renamable $r7 = nsw tADDhirr killed renamable $r7, killed renamable $r6, 14, $noreg
    t2STRs killed renamable $r7, renamable $r0, killed renamable $r3, 2, 14, $noreg :: (store 4 into %ir.tmp63)
    tBcc %bb.11, 1, killed $cpsr

  bb.10:
    successors: %bb.12(0x80000000)

    renamable $lr = t2MOVi 2, 14, $noreg, $noreg
    tB %bb.12, 14, $noreg

  bb.11.bb68:
    successors: %bb.12(0x80000000)
    liveins: $r0, $r1, $r2, $r8

    renamable $r3 = nuw t2ADDri killed renamable $r8, 2, 14, $noreg, $noreg
    renamable $lr = t2MOVi 3, 14, $noreg, $noreg
    renamable $r1 = t2LDRs killed renamable $r1, renamable $r3, 2, 14, $noreg :: (load 4 from %ir.tmp69)
    renamable $r2 = t2LDRs killed renamable $r2, renamable $r3, 2, 14, $noreg :: (load 4 from %ir.tmp71)
    renamable $r1, dead $cpsr = tEOR killed renamable $r1, killed renamable $r2, 14, $noreg
    renamable $r2 = t2LDRs renamable $r0, renamable $r3, 2, 14, $noreg :: (load 4 from %ir.tmp74)
    renamable $r1 = nsw tADDhirr killed renamable $r1, killed renamable $r2, 14, $noreg
    t2STRs killed renamable $r1, killed renamable $r0, killed renamable $r3, 2, 14, $noreg :: (store 4 into %ir.tmp74)

  bb.12.bb27:
    liveins: $lr

    $r0 = tMOVr killed $lr, 14, $noreg
    $sp = tADDspi $sp, 1, 14, $noreg
    $sp = t2LDMIA_RET $sp, 14, $noreg, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $r11, def $pc, implicit killed $r0

...