1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s 4 5 ; bool f(); 6 ; inline __attribute__((always_inline)) int f1() { 7 ; if (bool b = f()) 8 ; return 1; 9 ; return 2; 10 ; } 11 ; 12 ; inline __attribute__((always_inline)) int f2() { 13 ; # 2 "y.cc" 14 ; if (bool b = f()) 15 ; return 3; 16 ; return 4; 17 ; } 18 ; 19 ; int main() { 20 ; f1(); 21 ; f2(); 22 ; } 23 24 ; Ensure that lexical_blocks within inlined_subroutines are preserved/emitted. 25 ; CHECK: DW_TAG_inlined_subroutine 26 ; CHECK-NOT: DW_TAG 27 ; CHECK-NOT: NULL 28 ; CHECK: DW_TAG_lexical_block 29 ; CHECK-NOT: DW_TAG 30 ; CHECK-NOT: NULL 31 ; CHECK: DW_TAG_variable 32 ; Ensure that file changes don't interfere with creating inlined subroutines. 33 ; (see the line directive inside 'f2' in thesource) 34 ; CHECK: DW_TAG_inlined_subroutine 35 ; CHECK: DW_TAG_variable 36 ; CHECK-NOT: DW_TAG 37 ; CHECK: DW_AT_abstract_origin 38 39 ; Function Attrs: uwtable 40 define i32 @main() #0 !dbg !4 { 41 entry: 42 %retval.i2 = alloca i32, align 4 43 %b.i3 = alloca i8, align 1 44 %retval.i = alloca i32, align 4 45 %b.i = alloca i8, align 1 46 call void @llvm.dbg.declare(metadata i8* %b.i, metadata !16, metadata !DIExpression()), !dbg !19 47 %call.i = call zeroext i1 @_Z1fv(), !dbg !19 48 %frombool.i = zext i1 %call.i to i8, !dbg !19 49 store i8 %frombool.i, i8* %b.i, align 1, !dbg !19 50 %0 = load i8, i8* %b.i, align 1, !dbg !19 51 %tobool.i = trunc i8 %0 to i1, !dbg !19 52 br i1 %tobool.i, label %if.then.i, label %if.end.i, !dbg !19 53 54 if.then.i: ; preds = %entry 55 store i32 1, i32* %retval.i, !dbg !21 56 br label %_Z2f1v.exit, !dbg !21 57 58 if.end.i: ; preds = %entry 59 store i32 2, i32* %retval.i, !dbg !22 60 br label %_Z2f1v.exit, !dbg !22 61 62 _Z2f1v.exit: ; preds = %if.then.i, %if.end.i 63 %1 = load i32, i32* %retval.i, !dbg !23 64 call void @llvm.dbg.declare(metadata i8* %b.i3, metadata !24, metadata !DIExpression()), !dbg !27 65 %call.i4 = call zeroext i1 @_Z1fv(), !dbg !27 66 %frombool.i5 = zext i1 %call.i4 to i8, !dbg !27 67 store i8 %frombool.i5, i8* %b.i3, align 1, !dbg !27 68 %2 = load i8, i8* %b.i3, align 1, !dbg !27 69 %tobool.i6 = trunc i8 %2 to i1, !dbg !27 70 br i1 %tobool.i6, label %if.then.i7, label %if.end.i8, !dbg !27 71 72 if.then.i7: ; preds = %_Z2f1v.exit 73 store i32 3, i32* %retval.i2, !dbg !29 74 br label %_Z2f2v.exit, !dbg !29 75 76 if.end.i8: ; preds = %_Z2f1v.exit 77 store i32 4, i32* %retval.i2, !dbg !30 78 br label %_Z2f2v.exit, !dbg !30 79 80 _Z2f2v.exit: ; preds = %if.then.i7, %if.end.i8 81 %3 = load i32, i32* %retval.i2, !dbg !31 82 ret i32 0, !dbg !32 83 } 84 85 ; Function Attrs: nounwind readnone 86 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 87 88 declare zeroext i1 @_Z1fv() #2 89 90 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 91 attributes #1 = { nounwind readnone } 92 attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 93 94 !llvm.dbg.cu = !{!0} 95 !llvm.module.flags = !{!13, !14} 96 !llvm.ident = !{!15} 97 98 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 99 !1 = !DIFile(filename: "inline-scopes.cpp", directory: "/tmp/dbginfo") 100 !2 = !{} 101 !3 = !{!4, !10, !12} 102 !4 = distinct !DISubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !5, scope: !6, type: !7, variables: !2) 103 !5 = !DIFile(filename: "y.cc", directory: "/tmp/dbginfo") 104 !6 = !DIFile(filename: "y.cc", directory: "/tmp/dbginfo") 105 !7 = !DISubroutineType(types: !8) 106 !8 = !{!9} 107 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 108 !10 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 8, file: !1, scope: !11, type: !7, variables: !2) 109 !11 = !DIFile(filename: "inline-scopes.cpp", directory: "/tmp/dbginfo") 110 !12 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !11, type: !7, variables: !2) 111 !13 = !{i32 2, !"Dwarf Version", i32 4} 112 !14 = !{i32 1, !"Debug Info Version", i32 3} 113 !15 = !{!"clang version 3.5.0 "} 114 !16 = !DILocalVariable(name: "b", line: 3, scope: !17, file: !11, type: !18) 115 !17 = distinct !DILexicalBlock(line: 3, column: 0, file: !1, scope: !12) 116 !18 = !DIBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean) 117 !19 = !DILocation(line: 3, scope: !17, inlinedAt: !20) 118 !20 = !DILocation(line: 8, scope: !4) 119 !21 = !DILocation(line: 4, scope: !17, inlinedAt: !20) 120 !22 = !DILocation(line: 5, scope: !12, inlinedAt: !20) 121 !23 = !DILocation(line: 6, scope: !12, inlinedAt: !20) 122 !24 = !DILocalVariable(name: "b", line: 2, scope: !25, file: !6, type: !18) 123 !25 = distinct !DILexicalBlock(line: 2, column: 0, file: !5, scope: !26) 124 !26 = !DILexicalBlockFile(discriminator: 0, file: !5, scope: !10) 125 !27 = !DILocation(line: 2, scope: !25, inlinedAt: !28) 126 !28 = !DILocation(line: 9, scope: !4) 127 !29 = !DILocation(line: 3, scope: !25, inlinedAt: !28) 128 !30 = !DILocation(line: 4, scope: !26, inlinedAt: !28) 129 !31 = !DILocation(line: 5, scope: !26, inlinedAt: !28) 130 !32 = !DILocation(line: 10, scope: !4) 131
