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1# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 -amdgpu-spill-vgpr-to-agpr=true -verify-machineinstrs -run-pass=prologepilog -o - %s | FileCheck %s2 3# After handling the VGPR spill to AGPR copy, replace the dead frame index in the DBG_VALUE instruction with reg 0.4# Otherwise, the test would crash while trying to replace the dead frame index.5--- |6 define amdgpu_kernel void @test() { ret void }7 8 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !4, producer: "llvm", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !4)9 !1 = !DILocalVariable(name: "a", scope: !2, file: !4, line: 126, type: !6)10 !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)11 !3 = !DISubroutineType(types: !4)12 !4 = !{null}13 !5 = !{!1}14 !6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 32)15 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)16 !8 = !DIExpression()17 !9 = !DILocation(line: 10, column: 9, scope: !2)18 19...20---21name: test22tracksRegLiveness: true23frameInfo:24 maxAlignment: 425stack:26 - { id: 0, type: spill-slot, size: 4, alignment: 4 }27machineFunctionInfo:28 maxKernArgAlign: 429 isEntryFunction: true30 waveLimiter: true31 scratchRSrcReg: '$sgpr96_sgpr97_sgpr98_sgpr99'32 stackPtrOffsetReg: '$sgpr32'33 frameOffsetReg: '$sgpr33'34 hasSpilledVGPRs: true35 argumentInfo:36 privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }37 dispatchPtr: { reg: '$sgpr4_sgpr5' }38 kernargSegmentPtr: { reg: '$sgpr6_sgpr7' }39 workGroupIDX: { reg: '$sgpr8' }40 privateSegmentWaveByteOffset: { reg: '$sgpr9' }41body: |42 ; CHECK-LABEL: name: test43 ; CHECK: bb.0:44 ; CHECK: $agpr0 = V_ACCVGPR_WRITE_B32_e64 $vgpr2, implicit $exec45 ; CHECK: DBG_VALUE $noreg, 046 ; CHECK: bb.1:47 ; CHECK: $vgpr2 = V_ACCVGPR_READ_B32_e64 $agpr0, implicit $exec48 ; CHECK: S_ENDPGM 049 bb.0:50 $vgpr2 = IMPLICIT_DEF51 SI_SPILL_V32_SAVE $vgpr2, %stack.0, $sgpr32, 0, implicit $exec :: (store (s32) into %stack.0, align 4, addrspace 5)52 DBG_VALUE %stack.0, 0, !1, !8, debug-location !953 54 bb.1:55 renamable $vgpr2 = SI_SPILL_V32_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s32) from %stack.0, align 4, addrspace 5)56 S_ENDPGM 057