forked from OSchip/llvm-project
57 lines
2.4 KiB
YAML
57 lines
2.4 KiB
YAML
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 -amdgpu-spill-vgpr-to-agpr=true -verify-machineinstrs -run-pass=si-lower-sgpr-spills,prologepilog -o - %s | FileCheck %s
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# After handling the VGPR spill to AGPR copy in SILowerSGPRSpills pass, replace the dead frame index in the DBG_VALUE instruction with reg 0.
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# Otherwise, the test would crash during PEI while trying to replace the dead frame index.
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--- |
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define amdgpu_kernel void @test() { ret void }
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !4, producer: "llvm", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !4)
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!1 = !DILocalVariable(name: "a", scope: !2, file: !4, line: 126, type: !6)
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!2 = distinct !DISubprogram(name: "test", scope: !4, file: !4, line: 1, type: !3, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !5)
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!3 = !DISubroutineType(types: !4)
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!4 = !{null}
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!5 = !{!1}
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!6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 32)
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!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!8 = !DIExpression()
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!9 = !DILocation(line: 10, column: 9, scope: !2)
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...
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---
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name: test
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tracksRegLiveness: true
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frameInfo:
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maxAlignment: 4
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stack:
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- { id: 0, type: spill-slot, size: 4, alignment: 4 }
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machineFunctionInfo:
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maxKernArgAlign: 4
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isEntryFunction: true
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waveLimiter: true
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scratchRSrcReg: '$sgpr96_sgpr97_sgpr98_sgpr99'
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stackPtrOffsetReg: '$sgpr32'
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frameOffsetReg: '$sgpr33'
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hasSpilledVGPRs: true
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argumentInfo:
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privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
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dispatchPtr: { reg: '$sgpr4_sgpr5' }
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kernargSegmentPtr: { reg: '$sgpr6_sgpr7' }
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workGroupIDX: { reg: '$sgpr8' }
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privateSegmentWaveByteOffset: { reg: '$sgpr9' }
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body: |
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; CHECK-LABEL: name: test
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; CHECK: bb.0:
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; CHECK: $agpr0 = V_ACCVGPR_WRITE_B32_e64 $vgpr2, implicit $exec
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; CHECK: DBG_VALUE $noreg, 0
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; CHECK: bb.1:
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; CHECK: $vgpr2 = V_ACCVGPR_READ_B32_e64 $agpr0, implicit $exec
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; CHECK: S_ENDPGM 0
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bb.0:
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$vgpr2 = IMPLICIT_DEF
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SI_SPILL_V32_SAVE $vgpr2, %stack.0, $sgpr32, 0, implicit $exec :: (store 4 into %stack.0, align 4, addrspace 5)
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DBG_VALUE %stack.0, 0, !1, !8, debug-location !9
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bb.1:
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renamable $vgpr2 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load 4 from %stack.0, align 4, addrspace 5)
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S_ENDPGM 0
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