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llvm-project/llvm/test/CodeGen/AArch64/ldst_update_cfpath.mir
Philip Reames 4d629f9744
[MIR] Remove std::variant from multiple save/restore point handling [nfc] (#153226) 
In review of bbde6b, I had originally proposed that we support the
legacy text format. As review evolved, it bacame clear this had been a
bad idea (too much complexity), but in order to let that patch finally
move forward, I approved the change with the variant. This change undoes
the variant, and updates all the tests to just use the array form.
2025-08-12 11:23:05 -07:00

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -run-pass=aarch64-ldst-opt -verify-machineinstrs %s -o - | FileCheck %s
--- |
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-none-linux-gnu"
; Function Attrs: nofree norecurse nosync nounwind memory(argmem: readwrite) uwtable vscale_range(1,16)
define dso_local void @test(ptr noundef captures(none) %data) local_unnamed_addr #0 {
entry:
br i1 undef, label %while.cond.preheader, label %for.body.preheader
for.body.preheader: ; preds = %entry
br label %for.body
while.cond.preheader.loopexit: ; preds = %for.body
br label %while.cond.preheader
while.cond.preheader: ; preds = %while.cond.preheader.loopexit, %entry
br i1 undef, label %while.body.lr.ph.lr.ph, label %for.cond28.preheader
while.body.lr.ph.lr.ph: ; preds = %while.cond.preheader
br label %while.body.preheader
for.body: ; preds = %for.body, %for.body.preheader
br i1 undef, label %for.body, label %while.cond.preheader.loopexit
for.cond28.preheader: ; preds = %if.then, %if.end, %while.cond.preheader
br i1 undef, label %for.end45, label %for.body36.preheader
for.body36.preheader: ; preds = %for.cond28.preheader
br label %for.body36
while.body: ; preds = %if.end, %while.body.preheader
br i1 undef, label %if.end, label %if.then
if.then: ; preds = %while.body
br i1 undef, label %while.body.preheader, label %for.cond28.preheader
while.body.preheader: ; preds = %if.then, %while.body.lr.ph.lr.ph
br label %while.body
if.end: ; preds = %while.body
br i1 undef, label %for.cond28.preheader, label %while.body
for.body36: ; preds = %for.body36.preheader, %for.body36
br i1 undef, label %for.body36, label %for.end45
for.end45: ; preds = %for.body36, %for.cond28.preheader
ret void
}
...
---
name: test
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
noPhis: true
isSSA: false
noVRegs: true
hasFakeUses: false
callsEHReturn: false
callsUnwindInit: false
hasEHContTarget: false
hasEHScopes: false
hasEHFunclets: false
isOutlined: false
debugInstrRef: false
failsVerification: false
tracksDebugUserValues: true
registers: []
liveins:
- { reg: '$x0', virtual-reg: '' }
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 1
adjustsStack: false
hasCalls: false
stackProtector: ''
functionContext: ''
maxCallFrameSize: 0
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
hasTailCall: false
isCalleeSavedInfoValid: true
localFrameSize: 0
savePoint: []
restorePoint: []
fixedStack: []
stack: []
entry_values: []
callSites: []
debugValueSubstitutions: []
constants: []
machineFunctionInfo:
hasRedZone: false
body: |
; CHECK-LABEL: name: test
; CHECK: bb.0.entry:
; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.5(0x40000000)
; CHECK-NEXT: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $w8 = LDRBBui renamable $x0, 4
; CHECK-NEXT: TBNZW killed renamable $w8, 3, %bb.5
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.1:
; CHECK-NEXT: successors: %bb.2(0x80000000)
; CHECK-NEXT: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $w11 = MOVZWi 1, 0
; CHECK-NEXT: renamable $w9 = MOVZWi 1, 0
; CHECK-NEXT: renamable $w8 = MOVZWi 2, 0, implicit-def $x8
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.2.while.cond.preheader:
; CHECK-NEXT: successors: %bb.3(0x60000000), %bb.8(0x20000000)
; CHECK-NEXT: liveins: $w9, $w11, $x0, $x8
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: dead $wzr = SUBSWri renamable $w11, 299, 0, implicit-def $nzcv
; CHECK-NEXT: Bcc 8, %bb.8, implicit $nzcv
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.3.while.cond.preheader:
; CHECK-NEXT: successors: %bb.4(0x55555555), %bb.8(0x2aaaaaab)
; CHECK-NEXT: liveins: $w9, $x0, $x8
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $x10 = nuw ADDXrx renamable $x0, renamable $w9, 18
; CHECK-NEXT: renamable $w11 = LDRWui renamable $x10, 0
; CHECK-NEXT: TBZW killed renamable $w11, 3, %bb.8
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.4:
; CHECK-NEXT: successors: %bb.14(0x80000000)
; CHECK-NEXT: liveins: $w9, $x0, $x8, $x10
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $w9 = ORRWrs $wzr, killed renamable $w9, 0, implicit-def $x9
; CHECK-NEXT: B %bb.14
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.5.for.body.preheader:
; CHECK-NEXT: successors: %bb.6(0x80000000)
; CHECK-NEXT: liveins: $x0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $x10 = ADDXri renamable $x0, 8, 0
; CHECK-NEXT: renamable $w9 = MOVZWi 1, 0
; CHECK-NEXT: renamable $w12 = MOVZWi 2, 0, implicit-def $x12
; CHECK-NEXT: $x11 = ORRXrs $xzr, $x10, 0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.6.for.body:
; CHECK-NEXT: successors: %bb.7(0x7e000000), %bb.2(0x02000000)
; CHECK-NEXT: liveins: $w9, $x0, $x10, $x11, $x12
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $w8 = LDURWi renamable $x11, -4
; CHECK-NEXT: STRWui killed renamable $w8, renamable $x11, 0
; CHECK-NEXT: renamable $x8 = nuw nsw ADDXri renamable $x12, 2, 0
; CHECK-NEXT: renamable $w9 = nuw nsw ADDWri killed renamable $w9, 1, 0
; CHECK-NEXT: early-clobber renamable $x10, renamable $w13 = LDRBBpost killed renamable $x10, 4
; CHECK-NEXT: TBZW killed renamable $w13, 3, %bb.2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.7.for.body:
; CHECK-NEXT: successors: %bb.6(0x7df7df7e), %bb.2(0x02082082)
; CHECK-NEXT: liveins: $w9, $x0, $x8, $x10, $x11, $x12
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $x11 = ADDXri killed renamable $x11, 8, 0
; CHECK-NEXT: dead $xzr = SUBSXri killed renamable $x12, 598, 0, implicit-def $nzcv
; CHECK-NEXT: $x12 = ORRXrs $xzr, $x8, 0
; CHECK-NEXT: Bcc 0, %bb.2, implicit $nzcv
; CHECK-NEXT: B %bb.6
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.8.for.cond28.preheader:
; CHECK-NEXT: successors: %bb.12(0x40000000), %bb.9(0x40000000)
; CHECK-NEXT: liveins: $x0, $x8
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $w9 = LDRBBui renamable $x0, 4
; CHECK-NEXT: TBZW killed renamable $w9, 3, %bb.12
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.9.for.body36.preheader:
; CHECK-NEXT: successors: %bb.10(0x80000000)
; CHECK-NEXT: liveins: $x0, $x8
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $w9 = MOVZWi 8, 0, implicit-def $x9
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.10.for.body36:
; CHECK-NEXT: successors: %bb.11(0x7e000000), %bb.12(0x02000000)
; CHECK-NEXT: liveins: $x0, $x8, $x9
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $w10 = SUBWri renamable $w8, 1, 0
; CHECK-NEXT: renamable $w10 = LDRWroW renamable $x0, killed renamable $w10, 0, 1
; CHECK-NEXT: early-clobber renamable $x8 = STRWpost killed renamable $w10, renamable $x8, 2
; CHECK-NEXT: renamable $w10 = LDRBBroX renamable $x0, renamable $x9, 0, 0
; CHECK-NEXT: TBZW killed renamable $w10, 3, %bb.12
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.11.for.body36:
; CHECK-NEXT: successors: %bb.10(0x7df7df7e), %bb.12(0x02082082)
; CHECK-NEXT: liveins: $x0, $x8, $x9
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: dead $xzr = SUBSXri renamable $x9, 1200, 0, implicit-def $nzcv
; CHECK-NEXT: renamable $x9 = nuw nsw ADDXri killed renamable $x9, 4, 0
; CHECK-NEXT: Bcc 1, %bb.10, implicit $nzcv
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.12.for.end45:
; CHECK-NEXT: RET undef $lr
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.13.if.end:
; CHECK-NEXT: successors: %bb.8(0x04000000), %bb.14(0x7c000000)
; CHECK-NEXT: liveins: $x0, $x8, $x9, $x10
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $w11 = LDRBBui renamable $x10, 0
; CHECK-NEXT: TBZW killed renamable $w11, 3, %bb.8
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.14.while.body:
; CHECK-NEXT: successors: %bb.13(0x7c000000), %bb.15(0x04000000)
; CHECK-NEXT: liveins: $x0, $x8, $x9, $x10
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $w11 = SUBWri renamable $w8, 1, 0
; CHECK-NEXT: renamable $w11 = LDRWroW renamable $x0, killed renamable $w11, 0, 1
; CHECK-NEXT: early-clobber renamable $x8 = STRWpost renamable $w11, renamable $x8, 2
; CHECK-NEXT: TBZW killed renamable $w11, 2, %bb.13
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.15.if.then:
; CHECK-NEXT: successors: %bb.16(0x7e000000), %bb.8(0x02000000)
; CHECK-NEXT: liveins: $x0, $x9
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $w8 = LDRWui renamable $x0, 4
; CHECK-NEXT: STRWroX killed renamable $w8, renamable $x0, renamable $x9, 0, 1
; CHECK-NEXT: renamable $w8 = MOVZWi 3, 0, implicit-def $x8
; CHECK-NEXT: dead $xzr = SUBSXri renamable $x9, 298, 0, implicit-def $nzcv
; CHECK-NEXT: Bcc 8, %bb.8, implicit $nzcv
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: bb.16.if.then:
; CHECK-NEXT: successors: %bb.14(0x7df7df7e), %bb.8(0x02082082)
; CHECK-NEXT: liveins: $x0, $x8, $x9
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $x9 = nuw nsw ADDXri killed renamable $x9, 1, 0
; CHECK-NEXT: renamable $x10 = nuw ADDXrs renamable $x0, renamable $x9, 2
; CHECK-NEXT: renamable $w11 = LDRWui renamable $x10, 0
; CHECK-NEXT: TBZW killed renamable $w11, 3, %bb.8
; CHECK-NEXT: B %bb.14
bb.0.entry:
successors: %bb.1(0x40000000), %bb.5(0x40000000)
liveins: $x0
renamable $w8 = LDRBBui renamable $x0, 4
TBNZW killed renamable $w8, 3, %bb.5
bb.1:
successors: %bb.2(0x80000000)
liveins: $x0
renamable $w11 = MOVZWi 1, 0
renamable $w9 = MOVZWi 1, 0
renamable $w8 = MOVZWi 2, 0, implicit-def $x8
bb.2.while.cond.preheader:
successors: %bb.3(0x60000000), %bb.8(0x20000000)
liveins: $w9, $w11, $x0, $x8
dead $wzr = SUBSWri renamable $w11, 299, 0, implicit-def $nzcv
Bcc 8, %bb.8, implicit $nzcv
bb.3.while.cond.preheader:
successors: %bb.4(0x55555555), %bb.8(0x2aaaaaab)
liveins: $w9, $x0, $x8
renamable $x10 = nuw ADDXrx renamable $x0, renamable $w9, 18
renamable $w11 = LDRWui renamable $x10, 0
TBZW killed renamable $w11, 3, %bb.8
bb.4:
successors: %bb.14(0x80000000)
liveins: $w9, $x0, $x8, $x10
renamable $w9 = ORRWrs $wzr, killed renamable $w9, 0, implicit-def $x9
B %bb.14
bb.5.for.body.preheader:
successors: %bb.6(0x80000000)
liveins: $x0
renamable $x10 = ADDXri renamable $x0, 8, 0
renamable $w9 = MOVZWi 1, 0
renamable $w12 = MOVZWi 2, 0, implicit-def $x12
$x11 = ORRXrs $xzr, $x10, 0
bb.6.for.body:
successors: %bb.7(0x7e000000), %bb.2(0x02000000)
liveins: $w9, $x0, $x10, $x11, $x12
renamable $w8 = LDURWi renamable $x11, -4
STRWui killed renamable $w8, renamable $x11, 0
renamable $x8 = nuw nsw ADDXri renamable $x12, 2, 0
renamable $w9 = nuw nsw ADDWri killed renamable $w9, 1, 0
early-clobber renamable $x10, renamable $w13 = LDRBBpost killed renamable $x10, 4
TBZW killed renamable $w13, 3, %bb.2
bb.7.for.body:
successors: %bb.6(0x7df7df7e), %bb.2(0x02082082)
liveins: $w9, $x0, $x8, $x10, $x11, $x12
renamable $x11 = ADDXri killed renamable $x11, 8, 0
dead $xzr = SUBSXri killed renamable $x12, 598, 0, implicit-def $nzcv
$x12 = ORRXrs $xzr, $x8, 0
Bcc 0, %bb.2, implicit $nzcv
B %bb.6
bb.8.for.cond28.preheader:
successors: %bb.12(0x40000000), %bb.9(0x40000000)
liveins: $x0, $x8
renamable $w9 = LDRBBui renamable $x0, 4
TBZW killed renamable $w9, 3, %bb.12
bb.9.for.body36.preheader:
successors: %bb.10(0x80000000)
liveins: $x0, $x8
renamable $w9 = MOVZWi 8, 0, implicit-def $x9
bb.10.for.body36:
successors: %bb.11(0x7e000000), %bb.12(0x02000000)
liveins: $x0, $x8, $x9
renamable $w10 = SUBWri renamable $w8, 1, 0
renamable $w10 = LDRWroW renamable $x0, killed renamable $w10, 0, 1
STRWui killed renamable $w10, renamable $x8, 0
renamable $w10 = LDRBBroX renamable $x0, renamable $x9, 0, 0
TBZW killed renamable $w10, 3, %bb.12
bb.11.for.body36:
successors: %bb.10(0x7df7df7e), %bb.12(0x02082082)
liveins: $x0, $x8, $x9
renamable $x8 = ADDXri renamable $x8, 2, 0, implicit killed $x8, implicit-def $x8
dead $xzr = SUBSXri renamable $x9, 1200, 0, implicit-def $nzcv
renamable $x9 = nuw nsw ADDXri killed renamable $x9, 4, 0
Bcc 1, %bb.10, implicit $nzcv
bb.12.for.end45:
RET undef $lr
bb.13.if.end:
successors: %bb.8(0x04000000), %bb.14(0x7c000000)
liveins: $x0, $x8, $x9, $x10
renamable $x8 = ADDXri renamable $x8, 2, 0, implicit killed $x8, implicit-def $x8
renamable $w11 = LDRBBui renamable $x10, 0
TBZW killed renamable $w11, 3, %bb.8
bb.14.while.body:
successors: %bb.13(0x7c000000), %bb.15(0x04000000)
liveins: $x0, $x8, $x9, $x10
renamable $w11 = SUBWri renamable $w8, 1, 0
renamable $w11 = LDRWroW renamable $x0, killed renamable $w11, 0, 1
STRWui renamable $w11, renamable $x8, 0
TBZW killed renamable $w11, 2, %bb.13
bb.15.if.then:
successors: %bb.16(0x7e000000), %bb.8(0x02000000)
liveins: $x0, $x9
renamable $w8 = LDRWui renamable $x0, 4
STRWroX killed renamable $w8, renamable $x0, renamable $x9, 0, 1
renamable $w8 = MOVZWi 3, 0, implicit-def $x8
dead $xzr = SUBSXri renamable $x9, 298, 0, implicit-def $nzcv
Bcc 8, %bb.8, implicit $nzcv
bb.16.if.then:
successors: %bb.14(0x7df7df7e), %bb.8(0x02082082)
liveins: $x0, $x8, $x9
renamable $x9 = nuw nsw ADDXri killed renamable $x9, 1, 0
renamable $x10 = nuw ADDXrs renamable $x0, renamable $x9, 2
renamable $w11 = LDRWui renamable $x10, 0
TBZW killed renamable $w11, 3, %bb.8
B %bb.14
...
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