# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve -run-pass=arm-block-placement %s -o - | FileCheck %s
--- |
  define void @backwards_branch(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) local_unnamed_addr #0 {
  entry:
    unreachable
  }

  define void @backwards_branch_entry_block(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) local_unnamed_addr #0 {
  entry:
    unreachable
  }

  define void @backwards_branch_target_already_backwards(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) local_unnamed_addr #0 {
  entry:
    unreachable
  }

  define void @backwards_branch_sibling(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) local_unnamed_addr #0 {
  entry:
    unreachable
  }

  define void @backwards_branch_forwards_le(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) local_unnamed_addr #0 {
  entry:
    unreachable
  }

  define void @no_preheader(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) local_unnamed_addr #0 {
  entry:
    unreachable
  }

  declare dso_local i32 @g(...) local_unnamed_addr #1

  declare dso_local i32 @h(...) local_unnamed_addr #1

...
---
name:            backwards_branch
body:             |
  ; CHECK-LABEL: name: backwards_branch
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.2(0x80000000)
  ; CHECK:   tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   t2IT 11, 8, implicit-def $itstate
  ; CHECK:   frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
  ; CHECK: bb.2:
  ; CHECK:   successors: %bb.3(0x80000000)
  ; CHECK:   t2WhileLoopStart killed renamable $r0, %bb.1, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.3, 14 /* CC::al */, $noreg
  ; CHECK: bb.1:
  ; CHECK:   frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
  ; CHECK: bb.3:
  ; CHECK:   successors: %bb.3(0x7c000000), %bb.1(0x04000000)
  ; CHECK:   renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
  ; CHECK:   tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.1, 14 /* CC::al */, $noreg
  bb.0:
    successors: %bb.2(0x80000000)
    liveins: $r0, $r1, $r2, $lr

    tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2IT 11, 8, implicit-def $itstate
    frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate

  bb.1:
    frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc

  bb.2:
    successors: %bb.3(0x80000000)
    liveins: $r0, $r1, $r2

    t2WhileLoopStart killed renamable $r0, %bb.1, implicit-def dead $cpsr

  bb.3:
    successors: %bb.3(0x7c000000), %bb.1(0x04000000)
    liveins: $lr, $r1, $r2

    renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
    tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
    renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
    t2B %bb.1, 14 /* CC::al */, $noreg

...
---
name:            backwards_branch_entry_block
body:             |
  ; CHECK-LABEL: name: backwards_branch_entry_block
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.2(0x80000000)
  ; CHECK:   tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   t2IT 11, 8, implicit-def $itstate
  ; CHECK:   frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
  ; CHECK: bb.1:
  ; CHECK:   frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
  ; CHECK: bb.2:
  ; CHECK:   successors: %bb.3(0x80000000)
  ; CHECK:   t2WhileLoopStart killed renamable $r0, %bb.0, implicit-def dead $cpsr
  ; CHECK: bb.3:
  ; CHECK:   successors: %bb.3(0x7c000000), %bb.1(0x04000000)
  ; CHECK:   renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
  ; CHECK:   tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.1, 14 /* CC::al */, $noreg
  bb.0:
    successors: %bb.2(0x80000000)
    liveins: $r0, $r1, $r2, $lr

    tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2IT 11, 8, implicit-def $itstate
    frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate

  bb.1:
    frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc

  bb.2:
    successors: %bb.3(0x80000000)
    liveins: $r0, $r1, $r2

    t2WhileLoopStart killed renamable $r0, %bb.0, implicit-def dead $cpsr

  bb.3:
    successors: %bb.3(0x7c000000), %bb.1(0x04000000)
    liveins: $lr, $r1, $r2

    renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
    tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
    renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
    t2B %bb.1, 14 /* CC::al */, $noreg

...
---
name:            backwards_branch_target_already_backwards
body:             |
  ; CHECK-LABEL: name: backwards_branch_target_already_backwards
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.2(0x50000000), %bb.1(0x30000000)
  ; CHECK:   tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   t2Bcc %bb.1, 11 /* CC::lt */, killed $cpsr
  ; CHECK:   t2B %bb.2, 14 /* CC::al */, $noreg
  ; CHECK: bb.2:
  ; CHECK:   successors: %bb.3(0x80000000)
  ; CHECK:   $lr = tMOVr $r0, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   t2WhileLoopStart killed renamable $lr, %bb.1, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.3, 14 /* CC::al */, $noreg
  ; CHECK: bb.1:
  ; CHECK:   successors: %bb.4(0x80000000)
  ; CHECK:   tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   t2IT 11, 8, implicit-def $itstate
  ; CHECK:   frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
  ; CHECK:   t2WhileLoopStart killed renamable $r1, %bb.0, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.4, 14 /* CC::al */, $noreg
  ; CHECK: bb.3:
  ; CHECK:   successors: %bb.3(0x7c000000), %bb.1(0x04000000)
  ; CHECK:   renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.1, 14 /* CC::al */, $noreg
  ; CHECK: bb.4:
  ; CHECK:   successors: %bb.5(0x80000000)
  ; CHECK:   renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   t2WhileLoopStart killed renamable $r1, %bb.6, implicit-def dead $cpsr
  ; CHECK: bb.5:
  ; CHECK:   successors: %bb.5(0x7c000000), %bb.6(0x04000000)
  ; CHECK:   renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.6, 14 /* CC::al */, $noreg
  ; CHECK: bb.6:
  ; CHECK:   frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
  bb.0:
    successors: %bb.1(0x50000000), %bb.3(0x30000000)
    liveins: $r0, $r1, $r2, $r3, $lr

    tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2Bcc %bb.3, 11 /* CC::lt */, killed $cpsr
    t2B %bb.1, 14 /* CC::al */, $noreg

  bb.3:
    successors: %bb.4(0x80000000)
    liveins: $r1, $r3

    tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2IT 11, 8, implicit-def $itstate
    frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
    t2WhileLoopStart killed renamable $r1, %bb.0, implicit-def dead $cpsr
    t2B %bb.4, 14 /* CC::al */, $noreg

  bb.1:
    successors: %bb.2(0x80000000)
    liveins: $r0, $r1, $r2, $r3

    $lr = tMOVr $r0, 14 /* CC::al */, $noreg
    renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg
    t2WhileLoopStart killed renamable $lr, %bb.3, implicit-def dead $cpsr

  bb.2:
    successors: %bb.2(0x7c000000), %bb.3(0x04000000)
    liveins: $lr, $r0, $r1, $r3

    renamable $lr = t2LoopEndDec killed renamable $lr, %bb.2, implicit-def dead $cpsr
    t2B %bb.3, 14 /* CC::al */, $noreg

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

    renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg
    t2WhileLoopStart killed renamable $r1, %bb.6, implicit-def dead $cpsr

  bb.5:
    successors: %bb.5(0x7c000000), %bb.6(0x04000000)
    liveins: $lr, $r0

    renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr
    t2B %bb.6, 14 /* CC::al */, $noreg

  bb.6:
    frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc

...
---
name:            backwards_branch_sibling
body:             |
  ; CHECK-LABEL: name: backwards_branch_sibling
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.2(0x50000000), %bb.1(0x30000000)
  ; CHECK:   tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   t2Bcc %bb.1, 11 /* CC::lt */, killed $cpsr
  ; CHECK:   t2B %bb.2, 14 /* CC::al */, $noreg
  ; CHECK: bb.1:
  ; CHECK:   successors: %bb.4(0x80000000)
  ; CHECK:   tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   t2IT 11, 8, implicit-def $itstate
  ; CHECK:   frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
  ; CHECK:   t2WhileLoopStart killed renamable $r1, %bb.2, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.4, 14 /* CC::al */, $noreg
  ; CHECK: bb.2:
  ; CHECK:   successors: %bb.3(0x80000000)
  ; CHECK:   $lr = tMOVr $r0, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   t2WhileLoopStart killed renamable $lr, %bb.1, implicit-def dead $cpsr
  ; CHECK: bb.3:
  ; CHECK:   successors: %bb.3(0x7c000000), %bb.1(0x04000000)
  ; CHECK:   renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.1, 14 /* CC::al */, $noreg
  ; CHECK: bb.4:
  ; CHECK:   successors: %bb.5(0x80000000)
  ; CHECK:   renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg
  ; CHECK:   t2WhileLoopStart killed renamable $r1, %bb.6, implicit-def dead $cpsr
  ; CHECK: bb.5:
  ; CHECK:   successors: %bb.5(0x7c000000), %bb.6(0x04000000)
  ; CHECK:   renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.6, 14 /* CC::al */, $noreg
  ; CHECK: bb.6:
  ; CHECK:   frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
  bb.0:
    successors: %bb.1(0x50000000), %bb.3(0x30000000)
    liveins: $r0, $r1, $r2, $r3, $lr

    tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2Bcc %bb.3, 11 /* CC::lt */, killed $cpsr
    t2B %bb.1, 14 /* CC::al */, $noreg

  bb.3:
    successors: %bb.4(0x80000000)
    liveins: $r1, $r3

    tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2IT 11, 8, implicit-def $itstate
    frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
    t2WhileLoopStart killed renamable $r1, %bb.1, implicit-def dead $cpsr
    t2B %bb.4, 14 /* CC::al */, $noreg

  bb.1:
    successors: %bb.2(0x80000000)
    liveins: $r0, $r1, $r2, $r3

    $lr = tMOVr $r0, 14 /* CC::al */, $noreg
    renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg
    t2WhileLoopStart killed renamable $lr, %bb.3, implicit-def dead $cpsr

  bb.2:
    successors: %bb.2(0x7c000000), %bb.3(0x04000000)
    liveins: $lr, $r0, $r1, $r3

    renamable $lr = t2LoopEndDec killed renamable $lr, %bb.2, implicit-def dead $cpsr
    t2B %bb.3, 14 /* CC::al */, $noreg

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

    renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg
    t2WhileLoopStart killed renamable $r1, %bb.6, implicit-def dead $cpsr

  bb.5:
    successors: %bb.5(0x7c000000), %bb.6(0x04000000)
    liveins: $lr, $r0

    renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr
    t2B %bb.6, 14 /* CC::al */, $noreg

  bb.6:
    frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
...
---
name:            backwards_branch_forwards_le
body:             |
  ; CHECK-LABEL: name: backwards_branch_forwards_le
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.2(0x80000000)
  ; CHECK:   tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   t2IT 11, 8, implicit-def $itstate
  ; CHECK:   frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
  ; CHECK: bb.1:
  ; CHECK:   successors: %bb.1(0x80000000)
  ; CHECK:   renamable $lr = t2LoopEndDec killed renamable $lr, %bb.1, implicit-def dead $cpsr
  ; CHECK:   frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
  ; CHECK: bb.2:
  ; CHECK:   successors: %bb.3(0x80000000)
  ; CHECK:   t2WhileLoopStart killed renamable $r0, %bb.1, implicit-def dead $cpsr
  ; CHECK: bb.3:
  ; CHECK:   successors: %bb.3(0x7c000000), %bb.1(0x04000000)
  ; CHECK:   renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
  ; CHECK:   tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
  ; CHECK:   t2B %bb.1, 14 /* CC::al */, $noreg
  bb.0:
    successors: %bb.2(0x80000000)
    liveins: $r0, $r1, $r2, $lr

    tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2IT 11, 8, implicit-def $itstate
    frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate

  bb.1:
    renamable $lr = t2LoopEndDec killed renamable $lr, %bb.1, implicit-def dead $cpsr
    frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc

  bb.2:
    successors: %bb.3(0x80000000)
    liveins: $r0, $r1, $r2

    t2WhileLoopStart killed renamable $r0, %bb.1, implicit-def dead $cpsr

  bb.3:
    successors: %bb.3(0x7c000000), %bb.1(0x04000000)
    liveins: $lr, $r1, $r2

    renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
    tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
    renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
    t2B %bb.1, 14 /* CC::al */, $noreg

...
---
name:            no_preheader
body:             |
  ; CHECK-LABEL: name: no_preheader
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.2(0x30000000), %bb.1(0x50000000)
  ; CHECK:   frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $r5, $r7, killed $lr, implicit-def $sp, implicit $sp
  ; CHECK:   frame-setup CFI_INSTRUCTION def_cfa_offset 16
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $lr, -4
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r7, -8
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r5, -12
  ; CHECK:   frame-setup CFI_INSTRUCTION offset $r4, -16
  ; CHECK:   $r7 = frame-setup tADDrSPi $sp, 2, 14 /* CC::al */, $noreg
  ; CHECK:   frame-setup CFI_INSTRUCTION def_cfa $r7, 8
  ; CHECK:   $r4 = tMOVr killed $r0, 14 /* CC::al */, $noreg
  ; CHECK:   tBL 14 /* CC::al */, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $r0
  ; CHECK:   tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   t2Bcc %bb.2, 0 /* CC::eq */, killed $cpsr
  ; CHECK: bb.1:
  ; CHECK:   successors: %bb.4(0x80000000)
  ; CHECK:   renamable $r0, dead $cpsr = tMOVi8 4, 14 /* CC::al */, $noreg
  ; CHECK:   renamable $r5 = t2LDRSHi12 killed renamable $r0, 0, 14 /* CC::al */, $noreg
  ; CHECK:   t2B %bb.4, 14 /* CC::al */, $noreg
  ; CHECK: bb.2:
  ; CHECK:   successors: %bb.4(0x80000000)
  ; CHECK:   renamable $r5, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
  ; CHECK:   t2B %bb.4, 14 /* CC::al */, $noreg
  ; CHECK: bb.3:
  ; CHECK:   successors: %bb.4(0x80000000)
  ; CHECK:   $r0 = tMOVr $r5, 14 /* CC::al */, $noreg
  ; CHECK:   tBL 14 /* CC::al */, $noreg, @h, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def dead $r0
  ; CHECK: bb.4:
  ; CHECK:   successors: %bb.5(0x04000000), %bb.3(0x7c000000)
  ; CHECK:   renamable $r0 = tLDRi renamable $r4, 0, 14 /* CC::al */, $noreg
  ; CHECK:   tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
  ; CHECK:   t2Bcc %bb.3, 1 /* CC::ne */, killed $cpsr
  ; CHECK: bb.5:
  ; CHECK:   frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $r5, def $r7, def $pc
  bb.0:
    successors: %bb.1(0x30000000), %bb.2(0x50000000)
    liveins: $r0, $r4, $r5, $lr

    frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $r5, $r7, killed $lr, implicit-def $sp, implicit $sp
    frame-setup CFI_INSTRUCTION def_cfa_offset 16
    frame-setup CFI_INSTRUCTION offset $lr, -4
    frame-setup CFI_INSTRUCTION offset $r7, -8
    frame-setup CFI_INSTRUCTION offset $r5, -12
    frame-setup CFI_INSTRUCTION offset $r4, -16
    $r7 = frame-setup tADDrSPi $sp, 2, 14 /* CC::al */, $noreg
    frame-setup CFI_INSTRUCTION def_cfa $r7, 8
    $r4 = tMOVr killed $r0, 14 /* CC::al */, $noreg
    tBL 14 /* CC::al */, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $r0
    tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2Bcc %bb.1, 0 /* CC::eq */, killed $cpsr

  bb.2:
    successors: %bb.3(0x80000000)
    liveins: $r4

    renamable $r0, dead $cpsr = tMOVi8 4, 14 /* CC::al */, $noreg
    renamable $r5 = t2LDRSHi12 killed renamable $r0, 0, 14 /* CC::al */, $noreg
    t2B %bb.3, 14 /* CC::al */, $noreg

  bb.1:
    successors: %bb.3(0x80000000)
    liveins: $r4

    renamable $r5, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
    t2B %bb.3, 14 /* CC::al */, $noreg

  bb.4:
    successors: %bb.3(0x80000000)
    liveins: $r4, $r5

    $r0 = tMOVr $r5, 14 /* CC::al */, $noreg
    tBL 14 /* CC::al */, $noreg, @h, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def dead $r0

  bb.3:
    successors: %bb.5(0x04000000), %bb.4(0x7c000000)
    liveins: $r4, $r5

    renamable $r0 = tLDRi renamable $r4, 0, 14 /* CC::al */, $noreg
    tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
    t2Bcc %bb.4, 1 /* CC::ne */, killed $cpsr

  bb.5:
    frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $r5, def $r7, def $pc
...