1# 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 2 3# After handling the VGPR spill to AGPR copy in SILowerSGPRSpills pass, replace the dead frame index in the DBG_VALUE instruction with reg 0. 4# Otherwise, the test would crash during PEI 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: test 22tracksRegLiveness: true 23frameInfo: 24 maxAlignment: 4 25stack: 26 - { id: 0, type: spill-slot, size: 4, alignment: 4 } 27machineFunctionInfo: 28 maxKernArgAlign: 4 29 isEntryFunction: true 30 waveLimiter: true 31 scratchRSrcReg: '$sgpr96_sgpr97_sgpr98_sgpr99' 32 stackPtrOffsetReg: '$sgpr32' 33 frameOffsetReg: '$sgpr33' 34 hasSpilledVGPRs: true 35 argumentInfo: 36 privateSegmentBuffer: { reg: '$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: test 43 ; CHECK: bb.0: 44 ; CHECK: $agpr0 = V_ACCVGPR_WRITE_B32_e64 $vgpr2, implicit $exec 45 ; CHECK: DBG_VALUE $noreg, 0 46 ; CHECK: bb.1: 47 ; CHECK: $vgpr2 = V_ACCVGPR_READ_B32_e64 $agpr0, implicit $exec 48 ; CHECK: S_ENDPGM 0 49 bb.0: 50 $vgpr2 = IMPLICIT_DEF 51 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 !9 53 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 0 57