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| # RUN: llc -o - %s -mtriple=aarch64-windows -start-after=prologepilog \
# RUN: -filetype=obj | llvm-readobj --unwind | FileCheck %s
# Check AddFP
# CHECK: ExceptionData {
# CHECK-NEXT: FunctionLength: 72
# CHECK-NEXT: Version: 0
# CHECK-NEXT: ExceptionData: No
# CHECK-NEXT: EpiloguePacked: No
# CHECK-NEXT: EpilogueScopes: 1
# CHECK-NEXT: ByteCodeLength: 16
# CHECK-NEXT: Prologue [
# CHECK-NEXT: 0xe204 ; add fp, sp, #32
# CHECK-NEXT: 0x44 ; stp x29, x30, [sp, #32]
# CHECK-NEXT: 0xc802 ; stp x19, x20, [sp, #16]
# CHECK-NEXT: 0xcc85 ; stp x21, x22, [sp, #-48]!
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: EpilogueScopes [
# CHECK-NEXT: EpilogueScope {
# CHECK-NEXT: StartOffset: 13
# CHECK-NEXT: EpilogueStartIndex: 8
# CHECK-NEXT: Opcodes [
# CHECK-NEXT: 0xe204 ; add fp, sp, #32
# CHECK-NEXT: 0x44 ; ldp x29, x30, [sp, #32]
# CHECK-NEXT: 0xc802 ; ldp x19, x20, [sp, #16]
# CHECK-NEXT: 0xcc85 ; ldp x21, x22, [sp], #48
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: ]
# 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: 0
savePoint: ''
restorePoint: ''
fixedStack:
stack:
- { id: 0, name: '', type: variable-sized, offset: -48,
alignment: 1, stack-id: default, callee-saved-register: '', callee-saved-restored: true,
local-offset: 0, 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: '$fp', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 2, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 3, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x19', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 4, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x20', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 5, name: '', type: spill-slot, offset: -40, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x21', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
- { id: 6, name: '', type: spill-slot, offset: -48, size: 8, alignment: 8,
stack-id: default, callee-saved-register: '$x22', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
constants:
body: |
bb.0.entry:
liveins: $w0, $w1, $w2, $w3, $x21, $x22, $x19, $x20, $lr
early-clobber $sp = frame-setup STPXpre killed $x21, killed $x22, $sp, -6 :: (store 8 into %stack.5), (store 8 into %stack.6)
frame-setup SEH_SaveRegP_X 21, 22, -48
frame-setup STPXi killed $x19, killed $x20, $sp, 2 :: (store 8 into %stack.3), (store 8 into %stack.4)
frame-setup SEH_SaveRegP 19, 20, 16
frame-setup STPXi killed $fp, killed $lr, $sp, 4 :: (store 8 into %stack.1), (store 8 into %stack.2)
frame-setup SEH_SaveFPLR 32
$fp = frame-setup ADDXri $sp, 32, 0
frame-setup SEH_AddFP 32
frame-setup SEH_PrologEnd
renamable $w19 = COPY $w3
renamable $w0 = KILL $w0, implicit-def $x0
renamable $w20 = COPY $w2
renamable $w21 = COPY $w1
renamable $x8 = SBFMXri killed renamable $x0, 0, 31
renamable $x9 = ADDXri killed renamable $x8, 15, 0
renamable $x15 = UBFMXri killed renamable $x9, 4, 63
renamable $x8 = COPY $sp
renamable $x22 = SUBXrs killed renamable $x8, killed renamable $x15, 4
$sp = COPY renamable $x22
$x0 = COPY renamable $x22
renamable $w8 = LDRWroW killed renamable $x22, killed renamable $w21, 1, 1
renamable $w9 = ADDWrr killed renamable $w19, killed renamable $w20
renamable $w0 = ADDWrr killed renamable $w9, killed renamable $w8
frame-destroy SEH_EpilogStart
$sp = frame-destroy SUBXri $fp, 32, 0
frame-destroy SEH_AddFP 32
$fp, $lr = frame-destroy LDPXi $sp, 4 :: (load 8 from %stack.1), (load 8 from %stack.2)
frame-destroy SEH_SaveFPLR 32
$x19, $x20 = frame-destroy LDPXi $sp, 2 :: (load 8 from %stack.3), (load 8 from %stack.4)
frame-destroy SEH_SaveRegP 19, 20, 16
early-clobber $sp, $x21, $x22 = frame-destroy LDPXpost $sp, 6 :: (load 8 from %stack.5), (load 8 from %stack.6)
frame-destroy SEH_SaveRegP_X 21, 22, -48
frame-destroy SEH_EpilogEnd
RET_ReallyLR implicit $w0
...
|