llvm/llvm/test/CodeGen/AArch64/tail-dup-redundant-phi.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass=early-tailduplication %s -o - | FileCheck %s
--- |
  target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
  target triple = "aarch64-none-linux-gnu"

  define void @ham() gc "statepoint-example" personality i32* ()* @baz {
  bb:
    switch i32 undef, label %bb4 [
      i32 2050, label %bb1
      i32 2282, label %bb2
    ]

  bb1:                                              ; preds = %bb
    %tmp = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 10, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
    unreachable

  bb2:                                              ; preds = %bb
    %tmp3 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 10, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
    unreachable

  bb4:                                              ; preds = %bb
    %tmp5 = call token (i64, i32, i8 addrspace(1)* (i8 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8p1i8f(i64 2882400000, i32 0, i8 addrspace(1)* (i8 addrspace(1)*)* elementtype(i8 addrspace(1)* (i8 addrspace(1)*)) undef, i32 1, i32 0, i8 addrspace(1)* nonnull undef, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
    %tmp10 = call token (i64, i32, i8 addrspace(1)* (i8 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8p1i8f(i64 2, i32 4, i8 addrspace(1)* (i8 addrspace(1)*)* nonnull elementtype(i8 addrspace(1)* (i8 addrspace(1)*)) @barney, i32 1, i32 0, i8 addrspace(1)* nonnull undef, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
    br i1 undef, label %bb40, label %bb24

  bb24:                                             ; preds = %bb4
    switch i32 undef, label %bb35 [
      i32 1388, label %bb25
      i32 2742, label %bb29
      i32 2884, label %bb31
    ]

  bb25:                                             ; preds = %bb24
    %tmp26 = call token (i64, i32, i8 addrspace(1)* (i8 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8p1i8f(i64 2, i32 4, i8 addrspace(1)* (i8 addrspace(1)*)* nonnull elementtype(i8 addrspace(1)* (i8 addrspace(1)*)) @wobble, i32 1, i32 0, i8 addrspace(1)* nonnull undef, i32 0, i32 0) [ "deopt"(), "gc-live"(i8 addrspace(1)* null) ]
    %tmp27 = call align 8 i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(token %tmp26)
    %tmp28 = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token %tmp26, i32 0, i32 0) ; (null, null)
    br label %bb36

  bb29:                                             ; preds = %bb24
    %tmp30 = call token (i64, i32, i8 addrspace(1)* (i8 addrspace(1)*)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_p1i8p1i8f(i64 2, i32 4, i8 addrspace(1)* (i8 addrspace(1)*)* nonnull elementtype(i8 addrspace(1)* (i8 addrspace(1)*)) @bar, i32 1, i32 0, i8 addrspace(1)* nonnull undef, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
    br label %bb36

  bb31:                                             ; preds = %bb24
    %tmp32 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 10, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
    unreachable

  bb35:                                             ; preds = %bb24
    unreachable

  bb36:                                             ; preds = %bb29, %bb25
    %tmp37 = phi i8 addrspace(1)* [ undef, %bb29 ], [ %tmp28, %bb25 ]
    %tmp38 = phi i8 addrspace(1)* [ undef, %bb29 ], [ %tmp27, %bb25 ]
    %tmp39 = icmp eq i8 addrspace(1)* %tmp38, null
    br i1 %tmp39, label %bb51, label %bb42

  bb40:                                             ; preds = %bb4
    %tmp41 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 10, i32 0, i32 0) [ "deopt"(), "gc-live"() ]
    unreachable

  bb42:                                             ; preds = %bb36
    %tmp46 = icmp eq i32 undef, 1381
    %or.cond = select i1 undef, i1 true, i1 %tmp46
    br i1 %or.cond, label %bb49, label %bb47

  bb47:                                             ; preds = %bb42
    %tmp48 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 14, i32 0, i32 0) [ "deopt"(i8 addrspace(1)* %tmp37, i8 addrspace(1)* %tmp38), "gc-live"() ]
    unreachable

  bb49:                                             ; preds = %bb42
    %tmp50 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 10, i32 0, i32 0) [ "deopt"(i8 addrspace(1)* %tmp37, i8 addrspace(1)* %tmp38, i8 addrspace(1)* %tmp38), "gc-live"() ]
    unreachable

  bb51:                                             ; preds = %bb36
    %tmp52 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull elementtype(void (i32)) @wombat, i32 1, i32 0, i32 24, i32 0, i32 0) [ "deopt"(i8 addrspace(1)* %tmp37), "gc-live"() ]
    unreachable
  }

  declare i32* @baz()

  declare i8 addrspace(1)* @barney(i8 addrspace(1)*)

  declare i8 addrspace(1)* @wobble(i8 addrspace(1)*)

  declare i8 addrspace(1)* @bar(i8 addrspace(1)*)

  declare i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token, i32 immarg, i32 immarg) #0

  declare i8 addrspace(1)* @llvm.experimental.gc.result.p1i8(token) #0

  declare void @wombat(i32)

  declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 immarg, i32 immarg, void (i32)*, i32 immarg, i32 immarg, ...)

  declare token @llvm.experimental.gc.statepoint.p0f_p1i8p1i8f(i64 immarg, i32 immarg, i8 addrspace(1)* (i8 addrspace(1)*)*, i32 immarg, i32 immarg, ...)

  attributes #0 = { nounwind readnone }

...
---
name:            ham
alignment:       4
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: gpr64all, preferred-register: '' }
  - { id: 1, class: gpr64all, preferred-register: '' }
  - { id: 2, class: gpr64all, preferred-register: '' }
  - { id: 3, class: gpr64, preferred-register: '' }
  - { id: 4, class: gpr32, preferred-register: '' }
  - { id: 5, class: gpr32, preferred-register: '' }
  - { id: 6, class: gpr32, preferred-register: '' }
  - { id: 7, class: gpr32, preferred-register: '' }
  - { id: 8, class: gpr64all, preferred-register: '' }
  - { id: 9, class: gpr64all, preferred-register: '' }
  - { id: 10, class: gpr64all, preferred-register: '' }
  - { id: 11, class: gpr64all, preferred-register: '' }
  - { id: 12, class: gpr64all, preferred-register: '' }
  - { id: 13, class: gpr64all, preferred-register: '' }
  - { id: 14, class: gpr32, preferred-register: '' }
  - { id: 15, class: gpr32, preferred-register: '' }
  - { id: 16, class: gpr32, preferred-register: '' }
  - { id: 17, class: gpr32, preferred-register: '' }
  - { id: 18, class: gpr64all, preferred-register: '' }
  - { id: 19, class: gpr64all, preferred-register: '' }
  - { id: 20, class: gpr64all, preferred-register: '' }
  - { id: 21, class: gpr64all, preferred-register: '' }
  - { id: 22, class: gpr64all, preferred-register: '' }
  - { id: 23, class: gpr64all, preferred-register: '' }
  - { id: 24, class: gpr64all, preferred-register: '' }
  - { id: 25, class: gpr64all, preferred-register: '' }
  - { id: 26, class: gpr32, preferred-register: '' }
  - { id: 27, class: gpr32, preferred-register: '' }
  - { id: 28, class: gpr32, preferred-register: '' }
  - { id: 29, class: gpr64all, preferred-register: '' }
  - { id: 30, class: gpr64all, preferred-register: '' }
  - { id: 31, class: gpr32, preferred-register: '' }
  - { id: 32, class: gpr64all, preferred-register: '' }
  - { id: 33, class: gpr64all, preferred-register: '' }
  - { id: 34, class: gpr32, preferred-register: '' }
  - { id: 35, class: gpr64all, preferred-register: '' }
  - { id: 36, class: gpr32, preferred-register: '' }
liveins:         []
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    1
  adjustsStack:    true
  hasCalls:        true
  stackProtector:  ''
  functionContext: ''
  maxCallFrameSize: 0
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  hasTailCall:     false
  localFrameSize:  0
  savePoint:       ''
  restorePoint:    ''
fixedStack:      []
stack:           []
callSites:       []
debugValueSubstitutions: []
constants:       []
machineFunctionInfo: {}
body:             |
  ; CHECK-LABEL: name: ham
  ; CHECK: bb.0.bb:
  ; CHECK-NEXT:   successors: %bb.3(0x2aaaaaab), %bb.1(0x55555555)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:gpr32 = COPY $wzr
  ; CHECK-NEXT:   CBNZW [[COPY]], %bb.3
  ; CHECK-NEXT:   B %bb.1
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1.bb:
  ; CHECK-NEXT:   successors: %bb.2(0x40000001), %bb.4(0x3fffffff)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:gpr32 = COPY $wzr
  ; CHECK-NEXT:   CBNZW [[COPY1]], %bb.4
  ; CHECK-NEXT:   B %bb.2
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.2.bb1:
  ; CHECK-NEXT:   successors:
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 10
  ; CHECK-NEXT:   $w0 = COPY [[MOVi32imm]]
  ; CHECK-NEXT:   STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.3.bb2:
  ; CHECK-NEXT:   successors:
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[MOVi32imm1:%[0-9]+]]:gpr32 = MOVi32imm 10
  ; CHECK-NEXT:   $w0 = COPY [[MOVi32imm1]]
  ; CHECK-NEXT:   STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.4.bb4:
  ; CHECK-NEXT:   successors: %bb.13(0x40000000), %bb.5(0x40000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[DEF:%[0-9]+]]:gpr64all = IMPLICIT_DEF
  ; CHECK-NEXT:   $x0 = COPY [[DEF]]
  ; CHECK-NEXT:   [[DEF1:%[0-9]+]]:gpr64all = IMPLICIT_DEF
  ; CHECK-NEXT:   STATEPOINT 2882400000, 0, 1, [[DEF1]], $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:gpr64all = COPY $x0
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[DEF2:%[0-9]+]]:gpr64all = IMPLICIT_DEF
  ; CHECK-NEXT:   $x0 = COPY [[DEF2]]
  ; CHECK-NEXT:   [[DEF3:%[0-9]+]]:gpr64all = IMPLICIT_DEF
  ; CHECK-NEXT:   STATEPOINT 2, 4, 1, [[DEF3]], $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:gpr64all = COPY $x0
  ; CHECK-NEXT:   [[COPY4:%[0-9]+]]:gpr32 = COPY $wzr
  ; CHECK-NEXT:   CBNZW [[COPY4]], %bb.13
  ; CHECK-NEXT:   B %bb.5
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.5.bb24:
  ; CHECK-NEXT:   successors: %bb.10(0x20000000), %bb.6(0x60000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY5:%[0-9]+]]:gpr32 = COPY $wzr
  ; CHECK-NEXT:   CBNZW [[COPY5]], %bb.10
  ; CHECK-NEXT:   B %bb.6
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.6.bb24:
  ; CHECK-NEXT:   successors: %bb.9(0x2aaaaaab), %bb.7(0x55555555)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY6:%[0-9]+]]:gpr32 = COPY $wzr
  ; CHECK-NEXT:   CBNZW [[COPY6]], %bb.9
  ; CHECK-NEXT:   B %bb.7
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.7.bb24:
  ; CHECK-NEXT:   successors: %bb.8(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.8.bb25:
  ; CHECK-NEXT:   successors: %bb.18(0x30000000), %bb.14(0x50000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[DEF4:%[0-9]+]]:gpr64all = IMPLICIT_DEF
  ; CHECK-NEXT:   $x0 = COPY [[DEF4]]
  ; CHECK-NEXT:   [[DEF5:%[0-9]+]]:gpr64all = IMPLICIT_DEF
  ; CHECK-NEXT:   STATEPOINT 2, 4, 1, [[DEF5]], $x0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 2, 0, 2, 1, 0, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[COPY7:%[0-9]+]]:gpr64all = COPY $x0
  ; CHECK-NEXT:   [[COPY8:%[0-9]+]]:gpr64 = COPY [[COPY7]]
  ; CHECK-NEXT:   [[COPY9:%[0-9]+]]:gpr64all = COPY $xzr
  ; CHECK-NEXT:   [[COPY10:%[0-9]+]]:gpr64all = COPY [[COPY9]]
  ; CHECK-NEXT:   [[COPY11:%[0-9]+]]:gpr64 = COPY [[COPY8]]
  ; CHECK-NEXT:   CBZX [[COPY8]], %bb.18
  ; CHECK-NEXT:   B %bb.14
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.9.bb29:
  ; CHECK-NEXT:   successors: %bb.18(0x30000000), %bb.14(0x50000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[DEF6:%[0-9]+]]:gpr64all = IMPLICIT_DEF
  ; CHECK-NEXT:   $x0 = COPY [[DEF6]]
  ; CHECK-NEXT:   [[DEF7:%[0-9]+]]:gpr64all = IMPLICIT_DEF
  ; CHECK-NEXT:   STATEPOINT 2, 4, 1, [[DEF7]], $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[COPY12:%[0-9]+]]:gpr64all = COPY $x0
  ; CHECK-NEXT:   [[DEF8:%[0-9]+]]:gpr64 = IMPLICIT_DEF
  ; CHECK-NEXT:   [[COPY13:%[0-9]+]]:gpr64all = COPY [[DEF8]]
  ; CHECK-NEXT:   [[COPY14:%[0-9]+]]:gpr64 = COPY [[DEF8]]
  ; CHECK-NEXT:   CBZX [[DEF8]], %bb.18
  ; CHECK-NEXT:   B %bb.14
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.10.bb31:
  ; CHECK-NEXT:   successors:
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[MOVi32imm2:%[0-9]+]]:gpr32 = MOVi32imm 10
  ; CHECK-NEXT:   $w0 = COPY [[MOVi32imm2]]
  ; CHECK-NEXT:   STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.11.bb35:
  ; CHECK-NEXT:   successors:
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.13.bb40:
  ; CHECK-NEXT:   successors:
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[MOVi32imm3:%[0-9]+]]:gpr32 = MOVi32imm 10
  ; CHECK-NEXT:   $w0 = COPY [[MOVi32imm3]]
  ; CHECK-NEXT:   STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.14.bb42:
  ; CHECK-NEXT:   successors: %bb.17(0x20000000), %bb.15(0x60000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[PHI:%[0-9]+]]:gpr64 = PHI [[COPY11]], %bb.8, [[COPY14]], %bb.9
  ; CHECK-NEXT:   [[PHI1:%[0-9]+]]:gpr64all = PHI [[COPY10]], %bb.8, [[COPY13]], %bb.9
  ; CHECK-NEXT:   [[COPY15:%[0-9]+]]:gpr32 = COPY $wzr
  ; CHECK-NEXT:   CBNZW [[COPY15]], %bb.17
  ; CHECK-NEXT:   B %bb.15
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.15.bb42:
  ; CHECK-NEXT:   successors: %bb.17(0x2aaaaaab), %bb.16(0x55555555)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY16:%[0-9]+]]:gpr32 = COPY $wzr
  ; CHECK-NEXT:   CBNZW [[COPY16]], %bb.17
  ; CHECK-NEXT:   B %bb.16
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.16.bb47:
  ; CHECK-NEXT:   successors:
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[MOVi32imm4:%[0-9]+]]:gpr32 = MOVi32imm 14
  ; CHECK-NEXT:   $w0 = COPY [[MOVi32imm4]]
  ; CHECK-NEXT:   [[STATEPOINT:%[0-9]+]]:gpr64all, [[STATEPOINT1:%[0-9]+]]:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 2, [[PHI1]], [[PHI]], 2, 2, [[PHI1]](tied-def 0), [[PHI]](tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.17.bb49:
  ; CHECK-NEXT:   successors:
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[MOVi32imm5:%[0-9]+]]:gpr32 = MOVi32imm 10
  ; CHECK-NEXT:   $w0 = COPY [[MOVi32imm5]]
  ; CHECK-NEXT:   [[STATEPOINT2:%[0-9]+]]:gpr64all, [[STATEPOINT3:%[0-9]+]]:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 3, [[PHI1]], [[PHI]], [[PHI]], 2, 2, [[PHI1]](tied-def 0), [[PHI]](tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.18.bb51:
  ; CHECK-NEXT:   [[PHI2:%[0-9]+]]:gpr64all = PHI [[COPY10]], %bb.8, [[COPY13]], %bb.9
  ; CHECK-NEXT:   ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
  ; CHECK-NEXT:   [[MOVi32imm6:%[0-9]+]]:gpr32 = MOVi32imm 24
  ; CHECK-NEXT:   $w0 = COPY [[MOVi32imm6]]
  ; CHECK-NEXT:   [[STATEPOINT4:%[0-9]+]]:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 1, [[PHI2]], 2, 1, [[PHI2]](tied-def 0), 2, 0, 2, 1, 0, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
  ; CHECK-NEXT:   ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
  bb.0.bb:
    successors: %bb.2(0x2aaaaaab), %bb.15(0x55555555)

    %4:gpr32 = COPY $wzr
    CBNZW %4, %bb.2
    B %bb.15

  bb.15.bb:
    successors: %bb.1(0x40000001), %bb.3(0x3fffffff)

    %5:gpr32 = COPY $wzr
    CBNZW %5, %bb.3
    B %bb.1

  bb.1.bb1:
    successors:

    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %7:gpr32 = MOVi32imm 10
    $w0 = COPY %7
    STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp

  bb.2.bb2:
    successors:

    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %6:gpr32 = MOVi32imm 10
    $w0 = COPY %6
    STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp

  bb.3.bb4:
    successors: %bb.10(0x40000000), %bb.4(0x40000000)

    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %8:gpr64all = IMPLICIT_DEF
    $x0 = COPY %8
    %9:gpr64all = IMPLICIT_DEF
    STATEPOINT 2882400000, 0, 1, %9, $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
    %10:gpr64all = COPY $x0
    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %11:gpr64all = IMPLICIT_DEF
    $x0 = COPY %11
    %12:gpr64all = IMPLICIT_DEF
    STATEPOINT 2, 4, 1, %12, $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
    %13:gpr64all = COPY $x0
    %14:gpr32 = COPY $wzr
    CBNZW %14, %bb.10
    B %bb.4

  bb.4.bb24:
    successors: %bb.7(0x20000000), %bb.16(0x60000000)

    %15:gpr32 = COPY $wzr
    CBNZW %15, %bb.7
    B %bb.16

  bb.16.bb24:
    successors: %bb.6(0x2aaaaaab), %bb.17(0x55555555)

    %16:gpr32 = COPY $wzr
    CBNZW %16, %bb.6
    B %bb.17

  bb.17.bb24:
    successors: %bb.5(0x80000000)


  bb.5.bb25:
    successors: %bb.9(0x80000000)

    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %22:gpr64all = IMPLICIT_DEF
    $x0 = COPY %22
    %23:gpr64all = IMPLICIT_DEF
    STATEPOINT 2, 4, 1, %23, $x0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 2, 0, 2, 1, 0, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
    %24:gpr64all = COPY $x0
    %0:gpr64all = COPY %24
    %25:gpr64all = COPY $xzr
    %1:gpr64all = COPY %25
    B %bb.9

  bb.6.bb29:
    successors: %bb.9(0x80000000)

    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %19:gpr64all = IMPLICIT_DEF
    $x0 = COPY %19
    %20:gpr64all = IMPLICIT_DEF
    STATEPOINT 2, 4, 1, %20, $x0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def $x0, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
    %21:gpr64all = COPY $x0
    %18:gpr64all = IMPLICIT_DEF
    B %bb.9

  bb.7.bb31:
    successors:

    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %17:gpr32 = MOVi32imm 10
    $w0 = COPY %17
    STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp

  bb.8.bb35:
    successors:


  bb.9.bb36:
    successors: %bb.14(0x30000000), %bb.11(0x50000000)

    %2:gpr64all = PHI %18, %bb.6, %1, %bb.5
    %3:gpr64 = PHI %18, %bb.6, %0, %bb.5
    CBZX %3, %bb.14
    B %bb.11

  bb.10.bb40:
    successors:

    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %36:gpr32 = MOVi32imm 10
    $w0 = COPY %36
    STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp

  bb.11.bb42:
    successors: %bb.13(0x20000000), %bb.18(0x60000000)

    %26:gpr32 = COPY $wzr
    CBNZW %26, %bb.13
    B %bb.18

  bb.18.bb42:
    successors: %bb.13(0x2aaaaaab), %bb.12(0x55555555)

    %27:gpr32 = COPY $wzr
    CBNZW %27, %bb.13
    B %bb.12

  bb.12.bb47:
    successors:

    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %28:gpr32 = MOVi32imm 14
    $w0 = COPY %28
    %29:gpr64all, %30:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 2, %2, %3, 2, 2, %2(tied-def 0), %3(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp

  bb.13.bb49:
    successors:

    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %31:gpr32 = MOVi32imm 10
    $w0 = COPY %31
    %32:gpr64all, %33:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 3, %2, %3, %3, 2, 2, %2(tied-def 0), %3(tied-def 1), 2, 0, 2, 2, 0, 0, 1, 1, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp

  bb.14.bb51:
    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    %34:gpr32 = MOVi32imm 24
    $w0 = COPY %34
    %35:gpr64all = STATEPOINT 2882400000, 0, 1, @wombat, $w0, 2, 0, 2, 0, 2, 1, %2, 2, 1, %2(tied-def 0), 2, 0, 2, 1, 0, 0, csr_aarch64_aapcs, implicit-def $sp, implicit-def dead early-clobber $lr
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp

...