1# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 -amdgpu-spill-sgpr-to-vgpr=true -verify-machineinstrs -run-pass=si-lower-sgpr-spills -o - %s | FileCheck %s 2# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 -amdgpu-spill-sgpr-to-vgpr=true -passes=si-lower-sgpr-spills -o - %s | FileCheck %s 3 4# After handling the SGPR spill to VGPR in SILowerSGPRSpills pass, we replace the dead frame index in the DBG_VALUE instruction with reg 0. 5# Skip looking for frame indices in the debug value instruction for incoming arguments passed via stack. The test would crash otherwise. 6# It is safe to skip the fixed stack objects as they will never become the spill objects. 7 8--- | 9 define amdgpu_kernel void @test() { ret void } 10 11 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !4, producer: "llvm", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !4) 12 !1 = !DILocalVariable(name: "a", scope: !2, file: !4, line: 126, type: !6) 13 !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) 14 !3 = !DISubroutineType(types: !4) 15 !4 = !{null} 16 !5 = !{!1} 17 !6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 32) 18 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 19 !8 = !DIExpression() 20 !9 = !DILocation(line: 10, column: 9, scope: !2) 21 22... 23--- 24name: test 25tracksRegLiveness: true 26frameInfo: 27 maxAlignment: 4 28fixedStack: 29 - { id: 0, type: default, offset: 4, size: 4, alignment: 4, stack-id: default } 30stack: 31 - { id: 0, type: spill-slot, size: 4, alignment: 4, stack-id: sgpr-spill } 32machineFunctionInfo: 33 maxKernArgAlign: 4 34 isEntryFunction: true 35 waveLimiter: true 36 scratchRSrcReg: '$sgpr96_sgpr97_sgpr98_sgpr99' 37 stackPtrOffsetReg: '$sgpr32' 38 frameOffsetReg: '$sgpr33' 39 hasSpilledSGPRs: true 40 argumentInfo: 41 privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' } 42 dispatchPtr: { reg: '$sgpr4_sgpr5' } 43 kernargSegmentPtr: { reg: '$sgpr6_sgpr7' } 44 workGroupIDX: { reg: '$sgpr8' } 45 privateSegmentWaveByteOffset: { reg: '$sgpr9' } 46body: | 47 ; CHECK-LABEL: name: test 48 ; CHECK: bb.0: 49 ; CHECK: DBG_VALUE 50 bb.0: 51 renamable $sgpr10 = IMPLICIT_DEF 52 SI_SPILL_S32_SAVE killed $sgpr10, %stack.0, implicit $exec, implicit $sgpr96_sgpr97_sgpr98_sgpr99, implicit $sgpr32 53 DBG_VALUE %fixed-stack.0, 0, !1, !8, debug-location !9 54 55 bb.1: 56 renamable $sgpr10 = SI_SPILL_S32_RESTORE %stack.0, implicit $exec, implicit $sgpr96_sgpr97_sgpr98_sgpr99, implicit $sgpr32 57 S_ENDPGM 0 58