mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
cc12b285b6
This will currently accept the old number of bytes syntax, and convert it to a scalar. This should be removed in the near future (I think I converted all of the tests already, but likely missed a few). Not sure what the exact syntax and policy should be. We can continue printing the number of bytes for non-generic instructions to avoid test churn and only allow non-scalar types for generic instructions. This will currently print the LLT in parentheses, but accept parsing the existing integers and implicitly converting to scalar. The parentheses are a bit ugly, but the parser logic seems unable to deal without either parentheses or some keyword to indicate the start of a type.
408 lines
20 KiB
YAML
408 lines
20 KiB
YAML
# RUN: llc -mtriple=aarch64-apple-darwin -run-pass=aarch64-ldst-opt -verify-machineinstrs -o - %s | FileCheck %s
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--- |
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target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
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target triple = "arm64e-apple-ios13.0"
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%struct.widget = type { i64, i64, i32, i32, i64, i64, i64, i64, i64, i32, i32, i32, i16, i32, %struct.snork*, %struct.zot, %struct.zot, %struct.zot, %struct.zot, %struct.zot, i64, i64, i64, i32, i64, i32, i32, i32, i8*, %struct.baz, %struct.baz, i64, i64, %struct.snork*, %struct.zot, i32, i32, i32, i32, i32, i32, i32, [32 x i8], i64, i64, %struct.wombat, i32, i64, i64, i64, i64 }
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%struct.baz = type { [4 x i32] }
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%struct.snork = type { i32, i32, [1 x %struct.spam] }
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%struct.spam = type { %struct.baz, i32, i32 }
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%struct.zot = type { i64, i64 }
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%struct.wombat = type { [2 x i32] }
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%struct.wombat.0 = type { [200 x i32] }
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@__stack_chk_guard = external global i8*
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; Function Attrs: noredzone ssp
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define hidden void @with_noredzone_80bytes() #0 {
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bb:
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%StackGuardSlot = alloca i8*, align 8
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%0 = call i8* @llvm.stackguard()
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call void @llvm.stackprotector(i8* %0, i8** %StackGuardSlot)
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%tmp = alloca %struct.widget, align 16
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%tmp1 = alloca %struct.wombat.0*, align 8
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%tmp2 = alloca %struct.wombat.0*, align 8
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%tmp3 = alloca %struct.wombat.0*, align 8
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%tmp4 = alloca %struct.wombat.0*, align 8
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store %struct.wombat.0* null, %struct.wombat.0** %tmp3, align 8
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store %struct.wombat.0* null, %struct.wombat.0** %tmp4, align 8
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ret void
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}
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define hidden void @with_redzone_480bytes() #2 {
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bb:
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%StackGuardSlot = alloca i8*, align 8
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%0 = call i8* @llvm.stackguard()
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call void @llvm.stackprotector(i8* %0, i8** %StackGuardSlot)
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%tmp = alloca %struct.widget, align 16
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%tmp1 = alloca %struct.wombat.0*, align 8
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%tmp2 = alloca %struct.wombat.0*, align 8
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%tmp3 = alloca %struct.wombat.0*, align 8
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%tmp4 = alloca %struct.wombat.0*, align 8
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store %struct.wombat.0* null, %struct.wombat.0** %tmp3, align 8
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store %struct.wombat.0* null, %struct.wombat.0** %tmp4, align 8
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ret void
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}
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define hidden void @with_noredzone_no_mem_between() #0 {
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bb:
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%StackGuardSlot = alloca i8*, align 8
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%0 = call i8* @llvm.stackguard()
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call void @llvm.stackprotector(i8* %0, i8** %StackGuardSlot)
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%tmp = alloca %struct.widget, align 16
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%tmp1 = alloca %struct.wombat.0*, align 8
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%tmp2 = alloca %struct.wombat.0*, align 8
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%tmp3 = alloca %struct.wombat.0*, align 8
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%tmp4 = alloca %struct.wombat.0*, align 8
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store %struct.wombat.0* null, %struct.wombat.0** %tmp3, align 8
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store %struct.wombat.0* null, %struct.wombat.0** %tmp4, align 8
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ret void
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}
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; Function Attrs: nofree nosync nounwind willreturn
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declare i8* @llvm.stackguard() #1
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; Function Attrs: nofree nosync nounwind willreturn
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declare void @llvm.stackprotector(i8*, i8**) #1
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attributes #0 = { noredzone ssp "frame-pointer"="non-leaf" }
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attributes #1 = { nofree nosync nounwind willreturn }
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attributes #2 = { ssp "frame-pointer"="non-leaf" }
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...
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# Check that we don't try to combine the SUB with the STP using pre-index addressing
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# if the function does not have redzone enabled.
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# CHECK-LABEL: name: with_noredzone_80bytes
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# CHECK-NOT: STPXpre $xzr, $xzr
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---
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name: with_noredzone_80bytes
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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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registers: []
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liveins: []
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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: 512
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offsetAdjustment: 0
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maxAlignment: 16
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adjustsStack: true
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hasCalls: true
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stackProtector: '%stack.0.StackGuardSlot'
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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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localFrameSize: 480
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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: StackGuardSlot, type: default, offset: -40, size: 8,
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alignment: 8, stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -8, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 1, name: tmp, type: default, offset: -480, size: 440, alignment: 16,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -448, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 2, name: tmp1, type: default, offset: -488, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -456, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 3, name: tmp2, type: default, offset: -496, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -464, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 4, name: tmp3, type: default, offset: -504, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -472, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 5, name: tmp4, type: default, offset: -512, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -480, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 6, 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: 7, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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- { id: 8, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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- { id: 9, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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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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bb.0.bb:
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successors: %bb.1(0x7ffff800), %bb.2(0x00000800)
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liveins: $x27, $x28, $lr
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early-clobber $sp = frame-setup STPXpre killed $x28, killed $x27, $sp, -4 :: (store (s64) into %stack.9), (store (s64) into %stack.8)
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frame-setup STPXi killed $fp, killed $lr, $sp, 2 :: (store (s64) into %stack.7), (store (s64) into %stack.6)
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$fp = frame-setup ADDXri $sp, 16, 0
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$sp = frame-setup SUBXri $sp, 80, 0
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frame-setup CFI_INSTRUCTION def_cfa $w29, 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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frame-setup CFI_INSTRUCTION offset $w27, -24
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frame-setup CFI_INSTRUCTION offset $w28, -32
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$x8 = ADRP target-flags(aarch64-page, aarch64-got) @__stack_chk_guard
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$x8 = LDRXui killed $x8, target-flags(aarch64-pageoff, aarch64-got, aarch64-nc) @__stack_chk_guard
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$x8 = LDRXui killed $x8, 0 :: (dereferenceable invariant load (s64) from @__stack_chk_guard)
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STURXi killed renamable $x8, $fp, -24 :: (volatile store (s64) into %stack.0.StackGuardSlot)
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STRXui $xzr, $sp, 1 :: (store (s64) into %ir.tmp3)
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STRXui $xzr, $sp, 0 :: (store (s64) into %ir.tmp4)
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renamable $x8 = LDURXi $fp, -24 :: (volatile load (s64) from %stack.0.StackGuardSlot)
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$x9 = ADRP target-flags(aarch64-page, aarch64-got) @__stack_chk_guard
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$x9 = LDRXui killed $x9, target-flags(aarch64-pageoff, aarch64-got, aarch64-nc) @__stack_chk_guard
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$x9 = LDRXui killed $x9, 0 :: (dereferenceable invariant load (s64) from @__stack_chk_guard)
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$xzr = SUBSXrs killed renamable $x9, killed renamable $x8, 0, implicit-def $nzcv, implicit-def $nzcv
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Bcc 1, %bb.2, implicit $nzcv
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bb.1.bb:
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$sp = frame-destroy ADDXri $sp, 480, 0
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$fp, $lr = frame-destroy LDPXi $sp, 2 :: (load (s64) from %stack.7), (load (s64) from %stack.6)
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early-clobber $sp, $x28, $x27 = frame-destroy LDPXpost $sp, 4 :: (load (s64) from %stack.9), (load (s64) from %stack.8)
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RET undef $lr
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bb.2.bb:
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BL &__stack_chk_fail, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
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...
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# Check we don't try to fold a 480 byte offset, even if we have a 128 byte redzone.
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# CHECK-LABEL: name: with_redzone_480bytes
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# CHECK-NOT: STPXpre $xzr, $xzr
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---
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name: with_redzone_480bytes
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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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registers: []
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liveins: []
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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: 512
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offsetAdjustment: 0
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maxAlignment: 16
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adjustsStack: true
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hasCalls: true
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stackProtector: '%stack.0.StackGuardSlot'
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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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localFrameSize: 480
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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: StackGuardSlot, type: default, offset: -40, size: 8,
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alignment: 8, stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -8, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 1, name: tmp, type: default, offset: -480, size: 440, alignment: 16,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -448, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 2, name: tmp1, type: default, offset: -488, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -456, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 3, name: tmp2, type: default, offset: -496, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -464, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 4, name: tmp3, type: default, offset: -504, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -472, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 5, name: tmp4, type: default, offset: -512, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -480, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 6, 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: 7, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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- { id: 8, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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- { id: 9, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
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stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,
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debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
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callSites: []
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debugValueSubstitutions: []
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constants: []
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body: |
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bb.0.bb:
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successors: %bb.1(0x7ffff800), %bb.2(0x00000800)
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liveins: $x27, $x28, $lr
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early-clobber $sp = frame-setup STPXpre killed $x28, killed $x27, $sp, -4 :: (store (s64) into %stack.9), (store (s64) into %stack.8)
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frame-setup STPXi killed $fp, killed $lr, $sp, 2 :: (store (s64) into %stack.7), (store (s64) into %stack.6)
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$fp = frame-setup ADDXri $sp, 16, 0
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$sp = frame-setup SUBXri $sp, 480, 0
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frame-setup CFI_INSTRUCTION def_cfa $w29, 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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frame-setup CFI_INSTRUCTION offset $w27, -24
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frame-setup CFI_INSTRUCTION offset $w28, -32
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$x8 = ADRP target-flags(aarch64-page, aarch64-got) @__stack_chk_guard
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$x8 = LDRXui killed $x8, target-flags(aarch64-pageoff, aarch64-got, aarch64-nc) @__stack_chk_guard
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$x8 = LDRXui killed $x8, 0 :: (dereferenceable invariant load (s64) from @__stack_chk_guard)
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STURXi killed renamable $x8, $fp, -24 :: (volatile store (s64) into %stack.0.StackGuardSlot)
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STRXui $xzr, $sp, 1 :: (store (s64) into %ir.tmp3)
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STRXui $xzr, $sp, 0 :: (store (s64) into %ir.tmp4)
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renamable $x8 = LDURXi $fp, -24 :: (volatile load (s64) from %stack.0.StackGuardSlot)
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$x9 = ADRP target-flags(aarch64-page, aarch64-got) @__stack_chk_guard
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$x9 = LDRXui killed $x9, target-flags(aarch64-pageoff, aarch64-got, aarch64-nc) @__stack_chk_guard
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$x9 = LDRXui killed $x9, 0 :: (dereferenceable invariant load (s64) from @__stack_chk_guard)
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$xzr = SUBSXrs killed renamable $x9, killed renamable $x8, 0, implicit-def $nzcv, implicit-def $nzcv
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Bcc 1, %bb.2, implicit $nzcv
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bb.1.bb:
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$sp = frame-destroy ADDXri $sp, 480, 0
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$fp, $lr = frame-destroy LDPXi $sp, 2 :: (load (s64) from %stack.7), (load (s64) from %stack.6)
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early-clobber $sp, $x28, $x27 = frame-destroy LDPXpost $sp, 4 :: (load (s64) from %stack.9), (load (s64) from %stack.8)
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RET undef $lr
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bb.2.bb:
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BL &__stack_chk_fail, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
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...
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# Check we still do the opt if there are no mem ops between.
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# CHECK-LABEL: name: with_noredzone_no_mem_between
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# CHECK: STPXpre $xzr, $xzr
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---
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name: with_noredzone_no_mem_between
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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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registers: []
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liveins: []
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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: 512
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offsetAdjustment: 0
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maxAlignment: 16
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adjustsStack: true
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hasCalls: true
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stackProtector: '%stack.0.StackGuardSlot'
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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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localFrameSize: 480
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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: StackGuardSlot, type: default, offset: -40, size: 8,
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alignment: 8, stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -8, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 1, name: tmp, type: default, offset: -480, size: 440, alignment: 16,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -448, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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- { id: 2, name: tmp1, type: default, offset: -488, size: 8, alignment: 8,
|
|
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
|
|
local-offset: -456, debug-info-variable: '', debug-info-expression: '',
|
|
debug-info-location: '' }
|
|
- { id: 3, name: tmp2, type: default, offset: -496, size: 8, alignment: 8,
|
|
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
|
|
local-offset: -464, debug-info-variable: '', debug-info-expression: '',
|
|
debug-info-location: '' }
|
|
- { id: 4, name: tmp3, type: default, offset: -504, size: 8, alignment: 8,
|
|
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
|
|
local-offset: -472, debug-info-variable: '', debug-info-expression: '',
|
|
debug-info-location: '' }
|
|
- { id: 5, name: tmp4, type: default, offset: -512, size: 8, alignment: 8,
|
|
stack-id: default, callee-saved-register: '', callee-saved-restored: true,
|
|
local-offset: -480, debug-info-variable: '', debug-info-expression: '',
|
|
debug-info-location: '' }
|
|
- { id: 6, 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: 7, name: '', type: spill-slot, offset: -16, size: 8, alignment: 8,
|
|
stack-id: default, callee-saved-register: '$fp', callee-saved-restored: true,
|
|
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
|
|
- { id: 8, name: '', type: spill-slot, offset: -24, size: 8, alignment: 8,
|
|
stack-id: default, callee-saved-register: '$x27', callee-saved-restored: true,
|
|
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
|
|
- { id: 9, name: '', type: spill-slot, offset: -32, size: 8, alignment: 8,
|
|
stack-id: default, callee-saved-register: '$x28', callee-saved-restored: true,
|
|
debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
|
|
callSites: []
|
|
debugValueSubstitutions: []
|
|
constants: []
|
|
machineFunctionInfo:
|
|
hasRedZone: false
|
|
body: |
|
|
bb.0.bb:
|
|
successors: %bb.1(0x7ffff800), %bb.2(0x00000800)
|
|
liveins: $x27, $x28, $lr
|
|
early-clobber $sp = frame-setup STPXpre killed $x28, killed $x27, $sp, -4 :: (store (s64) into %stack.9), (store (s64) into %stack.8)
|
|
frame-setup STPXi killed $fp, killed $lr, $sp, 2 :: (store (s64) into %stack.7), (store (s64) into %stack.6)
|
|
$fp = frame-setup ADDXri $sp, 16, 0
|
|
$sp = frame-setup SUBXri $sp, 480, 0
|
|
frame-setup CFI_INSTRUCTION def_cfa $w29, 16
|
|
frame-setup CFI_INSTRUCTION offset $w30, -8
|
|
frame-setup CFI_INSTRUCTION offset $w29, -16
|
|
frame-setup CFI_INSTRUCTION offset $w27, -24
|
|
frame-setup CFI_INSTRUCTION offset $w28, -32
|
|
$x8 = ADRP target-flags(aarch64-page, aarch64-got) @__stack_chk_guard
|
|
STRXui $xzr, $sp, 1 :: (store (s64) into %ir.tmp3)
|
|
STRXui $xzr, $sp, 0 :: (store (s64) into %ir.tmp4)
|
|
renamable $x8 = LDURXi $fp, -24 :: (volatile load (s64) from %stack.0.StackGuardSlot)
|
|
$x9 = ADRP target-flags(aarch64-page, aarch64-got) @__stack_chk_guard
|
|
$x9 = LDRXui killed $x9, target-flags(aarch64-pageoff, aarch64-got, aarch64-nc) @__stack_chk_guard
|
|
$x9 = LDRXui killed $x9, 0 :: (dereferenceable invariant load (s64) from @__stack_chk_guard)
|
|
$xzr = SUBSXrs killed renamable $x9, killed renamable $x8, 0, implicit-def $nzcv, implicit-def $nzcv
|
|
Bcc 1, %bb.2, implicit $nzcv
|
|
|
|
bb.1.bb:
|
|
$sp = frame-destroy ADDXri $sp, 480, 0
|
|
$fp, $lr = frame-destroy LDPXi $sp, 2 :: (load (s64) from %stack.7), (load (s64) from %stack.6)
|
|
early-clobber $sp, $x28, $x27 = frame-destroy LDPXpost $sp, 4 :: (load (s64) from %stack.9), (load (s64) from %stack.8)
|
|
RET undef $lr
|
|
|
|
bb.2.bb:
|
|
BL &__stack_chk_fail, csr_darwin_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
|
|
|
|
...
|