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1# RUN: llc -o - %s -O0 -regalloc=fast -run-pass=livedebugvalues | \2# RUN: FileCheck %s -implicit-check-not=DBG_VALUE3 4# RUN: llc -o - %s -O0 -regalloc=fast -passes=live-debug-values | \5# RUN: FileCheck %s -implicit-check-not=DBG_VALUE6--- |7 target triple = "arm64-apple-ios12.1.0"8 9 declare void @use(i32)10 11 define void @f1(i32 %x) !dbg !6 {12 entry:13 %var = add i32 %x, 1, !dbg !1214 call void @llvm.dbg.value(metadata i32 %var, metadata !9, metadata !DIExpression()), !dbg !1215 br label %artificial-bb-1, !dbg !1316 17 artificial-bb-1:18 br label %artificial-bb-219 20 artificial-bb-2:21 %invisible = add i32 %var, 122 br label %return, !dbg !1423 24 return:25 call void @use(i32 %var)26 ret void, !dbg !1527 }28 29 declare void @llvm.dbg.value(metadata, metadata, metadata) #030 declare void @llvm.stackprotector(ptr, ptr) #131 32 attributes #0 = { nounwind readnone speculatable }33 attributes #1 = { nounwind }34 35 !llvm.dbg.cu = !{!0}36 !llvm.debugify = !{!3, !4}37 !llvm.module.flags = !{!5}38 39 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)40 !1 = !DIFile(filename: "compiler-gen-bbs-livedebugvalues.ll", directory: "/")41 !2 = !{}42 !3 = !{i32 6}43 !4 = !{i32 2}44 !5 = !{i32 2, !"Debug Info Version", i32 3}45 !6 = distinct !DISubprogram(name: "f1", linkageName: "f1", scope: null, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: !0, retainedNodes: !8)46 !7 = !DISubroutineType(types: !2)47 !8 = !{!9, !11}48 !9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10)49 !10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)50 !11 = !DILocalVariable(name: "2", scope: !6, file: !1, line: 4, type: !10)51 !12 = !DILocation(line: 1, column: 1, scope: !6)52 !13 = !DILocation(line: 2, column: 1, scope: !6)53 !14 = !DILocation(line: 0, column: 1, scope: !6)54 !15 = !DILocation(line: 4, column: 1, scope: !6)55 56...57---58# CHECK-LABEL: name: f159name: f160alignment: 461legalized: true62regBankSelected: true63selected: true64tracksRegLiveness: true65frameInfo:66 stackSize: 3267 maxAlignment: 868 adjustsStack: true69 hasCalls: true70 maxCallFrameSize: 071machineFunctionInfo:72 stackSizeZPR: 073 stackSizePPR: 074stack:75 - { id: 0, type: spill-slot, offset: -20, size: 4, alignment: 4, stack-id: default }76 - { id: 1, type: spill-slot, offset: -8, size: 8, alignment: 8, stack-id: default,77 callee-saved-register: '$lr' }78 - { id: 2, type: spill-slot, offset: -16, size: 8, alignment: 8, stack-id: default,79 callee-saved-register: '$fp' }80body: |81 ; CHECK-LABEL: bb.0.entry:82 bb.0.entry:83 liveins: $w0, $lr84 85 $sp = frame-setup SUBXri $sp, 32, 086 frame-setup STPXi killed $fp, killed $lr, $sp, 2 :: (store (s64) into %stack.2), (store (s64) into %stack.1)87 frame-setup CFI_INSTRUCTION def_cfa_offset 3288 frame-setup CFI_INSTRUCTION offset $w30, -8, debug-location !1289 frame-setup CFI_INSTRUCTION offset $w29, -16, debug-location !1290 renamable $w0 = ADDWri killed renamable $w0, 1, 0, debug-location !1291 DBG_VALUE renamable $w0, $noreg, !9, !DIExpression(), debug-location !1292 STRWui killed $w0, $sp, 3 :: (store (s32) into %stack.0)93 DBG_VALUE $sp, 0, !9, !DIExpression(DW_OP_plus_uconst, 12), debug-location !1294 95 ; CHECK: DBG_VALUE renamable $w0, $noreg, !9, !DIExpression(), debug-location !1296 ; CHECK-NEXT: STRWui killed $w0, $sp, 3 :: (store (s32) into %stack.0)97 ; CHECK-NEXT: DBG_VALUE $sp, 0, !9, !DIExpression(DW_OP_plus_uconst, 12)98 ; CHECK-NEXT: DBG_VALUE $sp, 0, !9, !DIExpression(DW_OP_plus_uconst, 12)99 100 bb.1.artificial-bb-1:101 ; CHECK-LABEL: bb.1.artificial-bb-1:102 ; CHECK: DBG_VALUE $sp, 0, !9, !DIExpression(DW_OP_plus_uconst, 12)103 104 bb.2.artificial-bb-2:105 ; CHECK-LABEL: bb.2.artificial-bb-2:106 ; CHECK: DBG_VALUE $sp, 0, !9, !DIExpression(DW_OP_plus_uconst, 12)107 108 bb.3.return:109 ; CHECK-LABEL: bb.3.return:110 ; CHECK: DBG_VALUE $sp, 0, !9, !DIExpression(DW_OP_plus_uconst, 12)111 112 $w0 = LDRWui $sp, 3 :: (load (s32) from %stack.0)113 BL @use, csr_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit killed $w0114 $fp, $lr = frame-destroy LDPXi $sp, 2, debug-location !15 :: (load (s64) from %stack.2), (load (s64) from %stack.1)115 $sp = frame-destroy ADDXri $sp, 32, 0, debug-location !15116 RET undef $lr, debug-location !15117...118