308 lines
13 KiB
YAML
308 lines
13 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
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# RUN: llc -run-pass=cfi-fixup %s -o - | FileCheck %s
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--- |
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source_filename = "cfi-fixup.ll"
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-linux"
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define i32 @f(i32 %x) #0 {
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entry:
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%p = alloca i8, i32 30000, align 1
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switch i32 %x, label %if.end7 [
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i32 0, label %return
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i32 1, label %if.then2
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i32 2, label %if.then5
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]
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if.then2: ; preds = %entry
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%call = tail call i32 @g1(i32 1)
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%add = add nsw i32 %call, 1
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br label %return
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if.then5: ; preds = %entry
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%call6 = tail call i32 @g0(i32 2)
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%sub = sub nsw i32 1, %call6
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br label %return
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if.end7: ; preds = %entry
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br label %return
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return: ; preds = %if.end7, %if.then5, %if.then2, %entry
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%retval.0 = phi i32 [ %add, %if.then2 ], [ %sub, %if.then5 ], [ 0, %if.end7 ], [ 1, %entry ]
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ret i32 %retval.0
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}
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declare i32 @g1(i32)
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declare i32 @g0(i32)
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attributes #0 = { uwtable "probe-stack"="inline-asm" }
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...
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---
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name: f
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alignment: 4
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exposesReturnsTwice: false
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legalized: false
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regBankSelected: false
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selected: false
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failedISel: false
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tracksRegLiveness: true
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hasWinCFI: false
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callsEHReturn: false
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callsUnwindInit: false
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hasEHCatchret: false
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hasEHScopes: false
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hasEHFunclets: false
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isOutlined: false
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debugInstrRef: false
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failsVerification: false
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tracksDebugUserValues: true
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registers: []
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liveins:
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- { reg: '$w0', virtual-reg: '' }
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frameInfo:
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isFrameAddressTaken: false
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isReturnAddressTaken: false
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hasStackMap: false
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hasPatchPoint: false
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stackSize: 30016
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offsetAdjustment: 0
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maxAlignment: 8
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adjustsStack: true
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hasCalls: true
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stackProtector: ''
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functionContext: ''
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maxCallFrameSize: 0
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cvBytesOfCalleeSavedRegisters: 0
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hasOpaqueSPAdjustment: false
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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hasTailCall: false
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localFrameSize: 30000
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savePoint: ''
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restorePoint: ''
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fixedStack: []
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stack:
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- { id: 0, name: p, type: default, offset: -30016, size: 30000, alignment: 1,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -30000, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 1, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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- { id: 2, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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entry_values: []
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callSites: []
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debugValueSubstitutions: []
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constants: []
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machineFunctionInfo:
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hasRedZone: false
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body: |
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; CHECK-LABEL: name: f
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; CHECK: bb.0.entry:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: liveins: $w0, $lr, $fp
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.2), (store (s64) into %stack.1)
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 16
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $w30, -8
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION offset $w29, -16
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; CHECK-NEXT: $x9 = frame-setup SUBXri $sp, 7, 12
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa $w9, 28688
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1.entry:
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; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.1(0x40000000)
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; CHECK-NEXT: liveins: $x9
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: $sp = frame-setup SUBXri $sp, 1, 12
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; CHECK-NEXT: $xzr = frame-setup SUBSXrx64 $sp, $x9, 24, implicit-def $nzcv
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; CHECK-NEXT: frame-setup STRXui $xzr, $sp, 0
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; CHECK-NEXT: frame-setup Bcc 1, %bb.1, implicit killed $nzcv
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2.entry:
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; CHECK-NEXT: successors: %bb.6(0x20000000), %bb.3(0x60000000)
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; CHECK-NEXT: liveins: $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_register $wsp
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; CHECK-NEXT: $sp = frame-setup SUBXri $sp, 1328, 0
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION def_cfa_offset 30016
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; CHECK-NEXT: CFI_INSTRUCTION remember_state
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; CHECK-NEXT: frame-setup STRXui $xzr, $sp, 0
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; CHECK-NEXT: CBZW renamable $w0, %bb.6
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3.entry:
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; CHECK-NEXT: successors: %bb.7(0x2aaaaaab), %bb.4(0x55555555)
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; CHECK-NEXT: liveins: $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: dead $wzr = SUBSWri renamable $w0, 2, 0, implicit-def $nzcv
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; CHECK-NEXT: Bcc 0, %bb.7, implicit killed $nzcv
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.4.entry:
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; CHECK-NEXT: successors: %bb.5(0x40000000), %bb.8(0x40000000)
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; CHECK-NEXT: liveins: $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: dead $wzr = SUBSWri renamable $w0, 1, 0, implicit-def $nzcv
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; CHECK-NEXT: Bcc 1, %bb.8, implicit killed $nzcv
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.5.if.then2:
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; CHECK-NEXT: liveins: $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: BL @g1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
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; CHECK-NEXT: renamable $w0 = nsw ADDWri killed renamable $w0, 1, 0
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; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 7, 12
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
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; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 1328, 0
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 16
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; CHECK-NEXT: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 0
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION restore $w30
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION restore $w29
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; CHECK-NEXT: RET undef $lr, implicit killed $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.6:
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; CHECK-NEXT: CFI_INSTRUCTION restore_state
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; CHECK-NEXT: CFI_INSTRUCTION remember_state
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; CHECK-NEXT: renamable $w0 = MOVZWi 1, 0
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; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 7, 12
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
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; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 1328, 0
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 16
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; CHECK-NEXT: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 0
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION restore $w30
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION restore $w29
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; CHECK-NEXT: RET undef $lr, implicit killed $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.7.if.then5:
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; CHECK-NEXT: liveins: $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: CFI_INSTRUCTION restore_state
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; CHECK-NEXT: CFI_INSTRUCTION remember_state
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; CHECK-NEXT: BL @g0, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
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; CHECK-NEXT: renamable $w8 = MOVZWi 1, 0
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; CHECK-NEXT: $w0 = SUBWrs killed renamable $w8, killed renamable $w0, 0
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; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 7, 12
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
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; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 1328, 0
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 16
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; CHECK-NEXT: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 0
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION restore $w30
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION restore $w29
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; CHECK-NEXT: RET undef $lr, implicit killed $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.8.if.end7:
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; CHECK-NEXT: CFI_INSTRUCTION restore_state
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; CHECK-NEXT: $w0 = ORRWrs $wzr, $wzr, 0
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; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 7, 12
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
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; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 1328, 0
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 16
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; CHECK-NEXT: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION def_cfa_offset 0
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION restore $w30
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; CHECK-NEXT: frame-destroy CFI_INSTRUCTION restore $w29
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; CHECK-NEXT: RET undef $lr, implicit killed $w0
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bb.0.entry:
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successors: %bb.1(0x80000000)
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liveins: $w0, $lr, $fp
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early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.2), (store (s64) into %stack.1)
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frame-setup CFI_INSTRUCTION def_cfa_offset 16
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frame-setup CFI_INSTRUCTION offset $w30, -8
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frame-setup CFI_INSTRUCTION offset $w29, -16
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$x9 = frame-setup SUBXri $sp, 7, 12
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frame-setup CFI_INSTRUCTION def_cfa $w9, 28688
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bb.1.entry:
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successors: %bb.2(0x40000000), %bb.1(0x40000000)
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liveins: $x9
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$sp = frame-setup SUBXri $sp, 1, 12
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$xzr = frame-setup SUBSXrx64 $sp, $x9, 24, implicit-def $nzcv
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frame-setup STRXui $xzr, $sp, 0
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frame-setup Bcc 1, %bb.1, implicit killed $nzcv
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bb.2.entry:
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successors: %bb.6(0x20000000), %bb.3(0x60000000)
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liveins: $w0
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frame-setup CFI_INSTRUCTION def_cfa_register $wsp
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$sp = frame-setup SUBXri $sp, 1328, 0
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frame-setup CFI_INSTRUCTION def_cfa_offset 30016
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frame-setup STRXui $xzr, $sp, 0
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CBZW renamable $w0, %bb.6
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bb.3.entry:
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successors: %bb.7(0x2aaaaaab), %bb.4(0x55555555)
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liveins: $w0
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dead $wzr = SUBSWri renamable $w0, 2, 0, implicit-def $nzcv
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Bcc 0, %bb.7, implicit killed $nzcv
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bb.4.entry:
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successors: %bb.5(0x40000000), %bb.8(0x40000000)
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liveins: $w0
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dead $wzr = SUBSWri renamable $w0, 1, 0, implicit-def $nzcv
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Bcc 1, %bb.8, implicit killed $nzcv
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bb.5.if.then2:
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liveins: $w0
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BL @g1, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
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renamable $w0 = nsw ADDWri killed renamable $w0, 1, 0
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$sp = frame-destroy ADDXri $sp, 7, 12
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frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
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$sp = frame-destroy ADDXri $sp, 1328, 0
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frame-destroy CFI_INSTRUCTION def_cfa_offset 16
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early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
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frame-destroy CFI_INSTRUCTION def_cfa_offset 0
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frame-destroy CFI_INSTRUCTION restore $w30
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frame-destroy CFI_INSTRUCTION restore $w29
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RET undef $lr, implicit killed $w0
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bb.6:
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renamable $w0 = MOVZWi 1, 0
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$sp = frame-destroy ADDXri $sp, 7, 12
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frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
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$sp = frame-destroy ADDXri $sp, 1328, 0
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frame-destroy CFI_INSTRUCTION def_cfa_offset 16
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early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
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frame-destroy CFI_INSTRUCTION def_cfa_offset 0
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frame-destroy CFI_INSTRUCTION restore $w30
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frame-destroy CFI_INSTRUCTION restore $w29
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RET undef $lr, implicit killed $w0
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bb.7.if.then5:
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liveins: $w0
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BL @g0, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $w0, implicit-def $sp, implicit-def $w0
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renamable $w8 = MOVZWi 1, 0
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$w0 = SUBWrs killed renamable $w8, killed renamable $w0, 0
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$sp = frame-destroy ADDXri $sp, 7, 12
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frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
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$sp = frame-destroy ADDXri $sp, 1328, 0
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frame-destroy CFI_INSTRUCTION def_cfa_offset 16
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early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
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frame-destroy CFI_INSTRUCTION def_cfa_offset 0
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frame-destroy CFI_INSTRUCTION restore $w30
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frame-destroy CFI_INSTRUCTION restore $w29
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RET undef $lr, implicit killed $w0
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bb.8.if.end7:
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$w0 = ORRWrs $wzr, $wzr, 0
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$sp = frame-destroy ADDXri $sp, 7, 12
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frame-destroy CFI_INSTRUCTION def_cfa_offset 1344
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$sp = frame-destroy ADDXri $sp, 1328, 0
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frame-destroy CFI_INSTRUCTION def_cfa_offset 16
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early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
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frame-destroy CFI_INSTRUCTION def_cfa_offset 0
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frame-destroy CFI_INSTRUCTION restore $w30
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frame-destroy CFI_INSTRUCTION restore $w29
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RET undef $lr, implicit killed $w0
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...
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