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a41bbe57fe
Emit pseudo instructions indicating unwind codes corresponding to each instruction inside the prologue/epilogue. These are used by the MCLayer to populate the .xdata section. Differential Revision: https://reviews.llvm.org/D50288 llvm-svn: 345701
73 lines
2.2 KiB
YAML
73 lines
2.2 KiB
YAML
# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
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# RUN: -stop-after=prologepilog | FileCheck %s
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# Check save_freg_x, save_frep, save_reg
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# CHECK: early-clobber $sp = frame-setup STRDpre killed $d12, $sp, -48
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# CHECK-NEXT: frame-setup SEH_SaveFReg_X 12, -48
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# CHECK-NEXT: frame-setup STPDi killed $d10, killed $d11, $sp, 1
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# CHECK-NEXT: frame-setup SEH_SaveFRegP 10, 11, 8
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# CHECK-NEXT: frame-setup STPDi killed $d8, killed $d9, $sp, 3
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# CHECK-NEXT: frame-setup SEH_SaveFRegP 8, 9, 24
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# CHECK-NEXT: frame-setup STRXui killed $x19, $sp, 5
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# CHECK-NEXT: frame-setup SEH_SaveReg 19, 40
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# CHECK-NEXT: frame-setup SEH_PrologEnd
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# CHECK: frame-destroy SEH_EpilogStart
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# CHECK-NEXT: $x19 = frame-destroy LDRXui $sp, 5
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# CHECK-NEXT: frame-destroy SEH_SaveReg 19, 40
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# CHECK-NEXT: $d8, $d9 = frame-destroy LDPDi $sp, 3
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# CHECK-NEXT: frame-destroy SEH_SaveFRegP 8, 9, 24
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# CHECK-NEXT: $d10, $d11 = frame-destroy LDPDi $sp, 1
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# CHECK-NEXT: frame-destroy SEH_SaveFRegP 10, 11, 8
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# CHECK-NEXT: early-clobber $sp, $d12 = frame-destroy LDRDpost $sp, 48
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# CHECK-NEXT: frame-destroy SEH_SaveFReg_X 12, -48
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# CHECK-NEXT: frame-destroy SEH_EpilogEnd
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# CHECK-NEXT: RET_ReallyLR implicit $x0
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...
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---
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name: test
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alignment: 2
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exposesReturnsTwice: false
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legalized: false
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regBankSelected: false
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selected: false
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failedISel: false
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tracksRegLiveness: true
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hasWinCFI: true
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registers:
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liveins:
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- { reg: '$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: 112
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offsetAdjustment: 0
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maxAlignment: 8
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adjustsStack: false
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hasCalls: false
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stackProtector: ''
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maxCallFrameSize: 0
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hasOpaqueSPAdjustment: true
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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localFrameSize: 0
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savePoint: ''
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restorePoint: ''
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fixedStack:
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stack:
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constants:
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body: |
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bb.0.entry:
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liveins: $x0, $x1, $d0, $d1, $d10, $d11, $d8, $d9
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$x19 = ADDXrr $x0, killed $x1
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$d8 = FADDDrr killed $d0, $d1
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$d9 = FADDDrr $d8, $d1
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$d10 = FADDDrr $d9, $d8
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$d11 = FADDDrr killed $d9, $d10
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$d12 = FADDDrr $d11, killed $d11
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$x0 = COPY $d12
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RET_ReallyLR implicit $x0
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...
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