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