1; RUN: llc < %s -filetype=obj | llvm-readobj --codeview - | FileCheck %s --check-prefix=OBJ 2 3; Generated from: 4 5; volatile int x; 6; int getint(void); 7; void putint(int); 8; static inline int inlineinc(int a) { 9; int b = a + 1; 10; ++x; 11; return b; 12; } 13; void f(int p) { 14; if (p) { 15; int a = getint(); 16; int b = inlineinc(a); 17; putint(b); 18; } else { 19; int c = getint(); 20; putint(c); 21; } 22; } 23 24; OBJ: Compile3Sym { 25; OBJ-NEXT: Kind: S_COMPILE3 (0x113C) 26; OBJ-NEXT: Language: C (0x0) 27; OBJ-NEXT: Flags [ (0x0) 28; OBJ-NEXT: ] 29; OBJ-NEXT: Machine: ARMNT (0xF4) 30 31; OBJ: LocalSym { 32; OBJ-NEXT: Kind: S_LOCAL (0x113E) 33; OBJ-NEXT: Type: int (0x74) 34; OBJ-NEXT: Flags [ (0x1) 35; OBJ-NEXT: IsParameter (0x1) 36; OBJ-NEXT: ] 37; OBJ-NEXT: VarName: p 38; OBJ-NEXT: } 39; OBJ-NEXT: DefRangeRegisterRelSym { 40; OBJ-NEXT: Kind: S_DEFRANGE_REGISTER_REL (0x1145) 41; OBJ-NEXT: BaseRegister: ARM_SP (0x17) 42; OBJ-NEXT: HasSpilledUDTMember: No 43; OBJ-NEXT: OffsetInParent: 0 44; OBJ-NEXT: BasePointerOffset: 12 45; OBJ-NEXT: LocalVariableAddrRange { 46; OBJ-NEXT: OffsetStart: .text+0x8 47; OBJ-NEXT: ISectStart: 0x0 48; OBJ-NEXT: Range: 0x1A 49; OBJ-NEXT: } 50; OBJ-NEXT: } 51 52; ModuleID = 'test.c' 53source_filename = "test.c" 54target datalayout = "e-m:w-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" 55target triple = "thumbv7-pc-windows-msvc19.11.0" 56 57@x = dso_local global i32 0, align 4, !dbg !0 58 59; Function Attrs: noinline nounwind optnone 60define dso_local arm_aapcs_vfpcc void @f(i32 %p) !dbg !14 { 61entry: 62 %p.addr = alloca i32, align 4 63 %a = alloca i32, align 4 64 %b = alloca i32, align 4 65 %c = alloca i32, align 4 66 store i32 %p, i32* %p.addr, align 4 67 call void @llvm.dbg.declare(metadata i32* %p.addr, metadata !17, metadata !DIExpression()), !dbg !18 68 %0 = load i32, i32* %p.addr, align 4, !dbg !19 69 %tobool = icmp ne i32 %0, 0, !dbg !19 70 br i1 %tobool, label %if.then, label %if.else, !dbg !19 71 72if.then: ; preds = %entry 73 call void @llvm.dbg.declare(metadata i32* %a, metadata !20, metadata !DIExpression()), !dbg !23 74 %call = call arm_aapcs_vfpcc i32 @getint(), !dbg !23 75 store i32 %call, i32* %a, align 4, !dbg !23 76 call void @llvm.dbg.declare(metadata i32* %b, metadata !24, metadata !DIExpression()), !dbg !25 77 %1 = load i32, i32* %a, align 4, !dbg !25 78 %call1 = call arm_aapcs_vfpcc i32 @inlineinc(i32 %1), !dbg !25 79 store i32 %call1, i32* %b, align 4, !dbg !25 80 %2 = load i32, i32* %b, align 4, !dbg !26 81 call arm_aapcs_vfpcc void @putint(i32 %2), !dbg !26 82 br label %if.end, !dbg !27 83 84if.else: ; preds = %entry 85 call void @llvm.dbg.declare(metadata i32* %c, metadata !28, metadata !DIExpression()), !dbg !30 86 %call2 = call arm_aapcs_vfpcc i32 @getint(), !dbg !30 87 store i32 %call2, i32* %c, align 4, !dbg !30 88 %3 = load i32, i32* %c, align 4, !dbg !31 89 call arm_aapcs_vfpcc void @putint(i32 %3), !dbg !31 90 br label %if.end, !dbg !32 91 92if.end: ; preds = %if.else, %if.then 93 ret void, !dbg !33 94} 95 96; Function Attrs: nounwind readnone speculatable willreturn 97declare void @llvm.dbg.declare(metadata, metadata, metadata) 98 99declare dso_local arm_aapcs_vfpcc i32 @getint() 100 101; Function Attrs: noinline nounwind optnone 102define internal arm_aapcs_vfpcc i32 @inlineinc(i32 %a) !dbg !34 { 103entry: 104 %a.addr = alloca i32, align 4 105 %b = alloca i32, align 4 106 store i32 %a, i32* %a.addr, align 4 107 call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !37, metadata !DIExpression()), !dbg !38 108 call void @llvm.dbg.declare(metadata i32* %b, metadata !39, metadata !DIExpression()), !dbg !40 109 %0 = load i32, i32* %a.addr, align 4, !dbg !40 110 %add = add nsw i32 %0, 1, !dbg !40 111 store i32 %add, i32* %b, align 4, !dbg !40 112 %1 = load volatile i32, i32* @x, align 4, !dbg !41 113 %inc = add nsw i32 %1, 1, !dbg !41 114 store volatile i32 %inc, i32* @x, align 4, !dbg !41 115 %2 = load i32, i32* %b, align 4, !dbg !42 116 ret i32 %2, !dbg !42 117} 118 119declare dso_local arm_aapcs_vfpcc void @putint(i32) 120 121!llvm.dbg.cu = !{!2} 122!llvm.module.flags = !{!9, !10, !11, !12} 123!llvm.ident = !{!13} 124 125!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 126!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !6, line: 1, type: !7, isLocal: false, isDefinition: true) 127!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 12.0.0 (https://github.com/llvm/llvm-project.git fc031d29bea856f2b91a250fd81c5f9fb79dbe07)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None) 128!3 = !DIFile(filename: "F:\\tmp\\test.c", directory: "F:\\tmp", checksumkind: CSK_MD5, checksum: "5fbd15e58dd6931fc3081de308d52889") 129!4 = !{} 130!5 = !{!0} 131!6 = !DIFile(filename: "test.c", directory: "F:\\tmp", checksumkind: CSK_MD5, checksum: "5fbd15e58dd6931fc3081de308d52889") 132!7 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !8) 133!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 134!9 = !{i32 2, !"CodeView", i32 1} 135!10 = !{i32 2, !"Debug Info Version", i32 3} 136!11 = !{i32 1, !"wchar_size", i32 2} 137!12 = !{i32 1, !"min_enum_size", i32 4} 138!13 = !{!"clang version 12.0.0 (https://github.com/llvm/llvm-project.git fc031d29bea856f2b91a250fd81c5f9fb79dbe07)"} 139!14 = distinct !DISubprogram(name: "f", scope: !6, file: !6, line: 9, type: !15, scopeLine: 9, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !4) 140!15 = !DISubroutineType(types: !16) 141!16 = !{null, !8} 142!17 = !DILocalVariable(name: "p", arg: 1, scope: !14, file: !6, line: 9, type: !8) 143!18 = !DILocation(line: 9, scope: !14) 144!19 = !DILocation(line: 10, scope: !14) 145!20 = !DILocalVariable(name: "a", scope: !21, file: !6, line: 11, type: !8) 146!21 = distinct !DILexicalBlock(scope: !22, file: !6, line: 10) 147!22 = distinct !DILexicalBlock(scope: !14, file: !6, line: 10) 148!23 = !DILocation(line: 11, scope: !21) 149!24 = !DILocalVariable(name: "b", scope: !21, file: !6, line: 12, type: !8) 150!25 = !DILocation(line: 12, scope: !21) 151!26 = !DILocation(line: 13, scope: !21) 152!27 = !DILocation(line: 14, scope: !21) 153!28 = !DILocalVariable(name: "c", scope: !29, file: !6, line: 15, type: !8) 154!29 = distinct !DILexicalBlock(scope: !22, file: !6, line: 14) 155!30 = !DILocation(line: 15, scope: !29) 156!31 = !DILocation(line: 16, scope: !29) 157!32 = !DILocation(line: 17, scope: !29) 158!33 = !DILocation(line: 18, scope: !14) 159!34 = distinct !DISubprogram(name: "inlineinc", scope: !6, file: !6, line: 4, type: !35, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !2, retainedNodes: !4) 160!35 = !DISubroutineType(types: !36) 161!36 = !{!8, !8} 162!37 = !DILocalVariable(name: "a", arg: 1, scope: !34, file: !6, line: 4, type: !8) 163!38 = !DILocation(line: 4, scope: !34) 164!39 = !DILocalVariable(name: "b", scope: !34, file: !6, line: 5, type: !8) 165!40 = !DILocation(line: 5, scope: !34) 166!41 = !DILocation(line: 6, scope: !34) 167!42 = !DILocation(line: 7, scope: !34) 168