09bc6abba6
- Use computeMaxCallFrameSize() in PEI::calculateCallFrameInfo() instead of duplicating the code. - Set AdjustsStack in FinalizeISel instead of in computeMaxCallFrameSize().
109 lines
3.9 KiB
YAML
109 lines
3.9 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
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# RUN: llc %s --start-before=shrink-wrap --stop-after=prologepilog -o - | FileCheck %s
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--- |
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target triple = "aarch64-linux"
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define void @f(i32 %n) #0 {
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entry:
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%a = alloca i8, i32 150000, align 8
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%c0 = icmp sle i32 %n, 1
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br i1 %c0, label %if.then1, label %exit
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if.then1: ; preds = %entry
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%0 = icmp sle i32 %n, 1
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%v = select i1 %0, i32 0, i32 1
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call void @g(ptr %a, i32 %v)
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br label %exit
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exit: ; preds = %if.then1, %entry
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ret void
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}
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declare void @g(...)
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attributes #0 = { nounwind "probe-stack"="inline-asm" "stack-probe-size"="4096" }
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...
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---
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name: f
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alignment: 4
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tracksRegLiveness: true
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liveins:
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- { reg: '$w0', virtual-reg: '' }
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frameInfo:
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adjustsStack: true
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localFrameSize: 150000
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stack:
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- { id: 0, name: a, type: default, offset: 0, size: 150000, alignment: 8,
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stack-id: default, callee-saved-register: '', callee-saved-restored: true,
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local-offset: -150000, debug-info-variable: '', debug-info-expression: '',
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debug-info-location: '' }
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entry_values: []
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callSites: []
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debugValueSubstitutions: []
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constants: []
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machineFunctionInfo: {}
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body: |
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; CHECK-LABEL: name: f
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; CHECK: bb.0.entry:
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; CHECK-NEXT: successors: %bb.3(0x80000000)
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; CHECK-NEXT: liveins: $w0, $lr
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: early-clobber $sp = frame-setup STPXpre killed $fp, killed $lr, $sp, -2 :: (store (s64) into %stack.2), (store (s64) into %stack.1)
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; CHECK-NEXT: $x9 = frame-setup SUBXri $sp, 36, 12
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3.entry:
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; CHECK-NEXT: successors: %bb.4(0x40000000), %bb.3(0x40000000)
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; CHECK-NEXT: liveins: $w0, $x9
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: $sp = frame-setup SUBXri $sp, 1, 12
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; CHECK-NEXT: frame-setup STRXui $xzr, $sp, 0
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; CHECK-NEXT: $xzr = frame-setup SUBSXrx64 $sp, $x9, 24, implicit-def $nzcv
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; CHECK-NEXT: frame-setup Bcc 1, %bb.3, implicit $nzcv
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.4.entry:
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; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: liveins: $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: $sp = frame-setup SUBXri $sp, 2544, 0
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; CHECK-NEXT: frame-setup STRXui $xzr, $sp, 0
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; CHECK-NEXT: dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv
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; CHECK-NEXT: Bcc 12, %bb.2, implicit $nzcv
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; CHECK-NEXT: B %bb.1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1.if.then1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: liveins: $nzcv
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: renamable $w1 = CSINCWr $wzr, $wzr, 13, implicit killed $nzcv
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; CHECK-NEXT: $x0 = ADDXri $sp, 0, 0
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; CHECK-NEXT: BL @g, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit $w1, implicit-def $sp
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2.exit:
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; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 36, 12
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; CHECK-NEXT: $sp = frame-destroy ADDXri $sp, 2544, 0
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; CHECK-NEXT: early-clobber $sp, $fp, $lr = frame-destroy LDPXpost $sp, 2 :: (load (s64) from %stack.2), (load (s64) from %stack.1)
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; CHECK-NEXT: RET_ReallyLR
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bb.0.entry:
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successors: %bb.1(0x40000000), %bb.2(0x40000000)
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liveins: $w0
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dead $wzr = SUBSWri killed renamable $w0, 1, 0, implicit-def $nzcv
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Bcc 12, %bb.2, implicit $nzcv
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B %bb.1
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bb.1.if.then1:
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successors: %bb.2(0x80000000)
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liveins: $nzcv
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renamable $w1 = CSINCWr $wzr, $wzr, 13, implicit killed $nzcv
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ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
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$x0 = ADDXri %stack.0.a, 0, 0
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BL @g, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $x0, implicit $w1, implicit-def $sp
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ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
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bb.2.exit:
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RET_ReallyLR
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...
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