| # RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \ |
| # RUN: -filetype=obj | llvm-readobj --unwind - | FileCheck %s |
| # Check save_fplr_x, set_fp, alloc_s |
| |
| # CHECK: ExceptionData { |
| # CHECK-NEXT: FunctionLength: 92 |
| # CHECK-NEXT: Version: 0 |
| # CHECK-NEXT: ExceptionData: No |
| # CHECK-NEXT: EpiloguePacked: Yes |
| # CHECK-NEXT: EpilogueOffset: 1 |
| # CHECK-NEXT: ByteCodeLength: 4 |
| # CHECK-NEXT: Prologue [ |
| # CHECK-NEXT: 0x02 ; sub sp, #32 |
| # CHECK-NEXT: 0xe1 ; mov fp, sp |
| # CHECK-NEXT: 0x81 ; stp x29, x30, [sp, #-16]! |
| # CHECK-NEXT: 0xe4 ; end |
| # CHECK-NEXT: ] |
| # CHECK-NEXT: Epilogue [ |
| # CHECK-NEXT: 0xe1 ; mov sp, fp |
| # CHECK-NEXT: 0x81 ; ldp x29, x30, [sp], #16 |
| # CHECK-NEXT: 0xe4 ; end |
| # CHECK-NEXT: ] |
| # CHECK-NEXT: } |
| ... |
| --- |
| name: '?func@@YAHHHHH@Z' |
| alignment: 8 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| failedISel: false |
| tracksRegLiveness: true |
| hasWinCFI: true |
| registers: |
| liveins: |
| - { reg: '$w0', virtual-reg: '' } |
| - { reg: '$w1', virtual-reg: '' } |
| - { reg: '$w2', virtual-reg: '' } |
| - { reg: '$w3', virtual-reg: '' } |
| frameInfo: |
| isFrameAddressTaken: false |
| isReturnAddressTaken: false |
| hasStackMap: false |
| hasPatchPoint: false |
| stackSize: 48 |
| offsetAdjustment: 0 |
| maxAlignment: 8 |
| adjustsStack: true |
| hasCalls: true |
| stackProtector: '' |
| maxCallFrameSize: 0 |
| hasOpaqueSPAdjustment: false |
| hasVAStart: false |
| hasMustTailInVarArgFunc: false |
| localFrameSize: 24 |
| savePoint: '' |
| restorePoint: '' |
| fixedStack: |
| stack: |
| - { id: 0, name: '', type: default, offset: -20, size: 4, alignment: 4, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| local-offset: -4, debug-info-variable: '', debug-info-expression: '', |
| debug-info-location: '' } |
| - { id: 1, name: '', type: default, offset: -24, size: 4, alignment: 4, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| local-offset: -8, debug-info-variable: '', debug-info-expression: '', |
| debug-info-location: '' } |
| - { id: 2, name: '', type: default, offset: -28, size: 4, alignment: 4, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| local-offset: -12, debug-info-variable: '', debug-info-expression: '', |
| debug-info-location: '' } |
| - { id: 3, name: '', type: default, offset: -32, size: 4, alignment: 4, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| local-offset: -16, debug-info-variable: '', debug-info-expression: '', |
| debug-info-location: '' } |
| - { id: 4, name: '', type: default, offset: -40, size: 8, alignment: 8, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| local-offset: -24, debug-info-variable: '', debug-info-expression: '', |
| debug-info-location: '' } |
| - { id: 5, name: '', type: variable-sized, offset: -40, |
| alignment: 1, stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| local-offset: -24, debug-info-variable: '', debug-info-expression: '', |
| debug-info-location: '' } |
| - { id: 6, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8, |
| stack-id: default, callee-saved-register: '', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| - { id: 7, name: '', type: spill-slot, offset: -8, size: 8, alignment: 8, |
| stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| - { id: 8, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8, |
| stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true, |
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } |
| constants: |
| body: | |
| bb.0.entry: |
| liveins: $w0, $w1, $w2, $w3, $lr |
| |
| early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.7), (store (s64) into %stack.8) |
| frame-setup SEH_SaveFPLR_X -16 |
| $fp = frame-setup ADDXri $sp, 0, 0 |
| frame-setup SEH_SetFP |
| $sp = frame-setup SUBXri $sp, 32, 0 |
| frame-setup SEH_StackAlloc 32 |
| frame-setup SEH_PrologEnd |
| STURWi killed renamable $w3, $fp, -4 |
| STURWi killed renamable $w2, $fp, -8 |
| STURWi killed renamable $w1, $fp, -12 |
| STURWi killed renamable $w0, $fp, -16 |
| renamable $x8 = LDURSWi $fp, -16 |
| renamable $x8 = ADDXri killed renamable $x8, 15, 0 |
| renamable $x8 = UBFMXri killed renamable $x8, 4, 63 |
| $x15 = COPY renamable $x8 |
| STURXi killed $x8, $fp, -32 :: (store (s64) into %stack.6) |
| BL &__chkstk, csr_aarch64_stackprobe_windows, implicit-def dead $lr, implicit $sp, implicit killed $x15 |
| renamable $x8 = COPY $sp |
| $x15 = LDURXi $fp, -32 :: (load (s64) from %stack.6) |
| renamable $x8 = SUBSXrs killed renamable $x8, killed renamable $x15, 4, implicit-def dead $nzcv |
| $sp = COPY renamable $x8 |
| STURXi killed renamable $x8, $fp, -24 |
| renamable $x0 = LDURXi $fp, -24 |
| renamable $w1 = COPY $wzr |
| $w0 = COPY killed renamable $w1 |
| frame-destroy SEH_EpilogStart |
| $sp = frame-destroy ADDXri $fp, 0, 0 |
| frame-destroy SEH_SetFP |
| early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 |
| frame-destroy SEH_SaveFPLR_X -16 |
| frame-destroy SEH_EpilogEnd |
| RET_ReallyLR implicit killed $w0 |
| |
| ... |
