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1; RUN: llc %s -mtriple=x86_64-unknown-linux-gnu --dwarf-version=4 --basic-block-sections=none -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s2; RUN: llc %s -mtriple=x86_64-unknown-linux-gnu --dwarf-version=4 --basic-block-sections=all -filetype=obj -o - | llvm-dwarfdump - | FileCheck --check-prefix=SECTIONS %s3; RUN: llc %s -mtriple=x86_64-unknown-linux-gnu --dwarf-version=5 --basic-block-sections=none -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s4; RUN: llc %s -mtriple=x86_64-unknown-linux-gnu --dwarf-version=5 --basic-block-sections=all -filetype=obj -o - | llvm-dwarfdump - | FileCheck --check-prefix=SECTIONS %s5 6; CHECK: DW_TAG_variable7; CHECK-NEXT: DW_AT_location8; CHECK-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +7, DW_OP_stack_value9; CHECK-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +8, DW_OP_stack_value10; CHECK-NEXT: DW_AT_name ("i")11 12; SECTIONS: DW_TAG_variable13; SECTIONS-NEXT: DW_AT_location14; SECTIONS-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +7, DW_OP_stack_value15; SECTIONS-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +8, DW_OP_stack_value16; SECTIONS-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +8, DW_OP_stack_value17; SECTIONS-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +8, DW_OP_stack_value18; SECTIONS-NEXT: DW_AT_name ("i")19 20; Source to generate the IR below:21; void f1();22; extern bool b;23; void test() {24; // i is not a const throughout the whole scope and should25; // not use DW_AT_const_value26; int i = 7;27; f1();28; i = 8;29; if (b)30; f1();31; }32; $ clang++ -S loclist_section.cc -O2 -g -emit-llvm33 34@b = external local_unnamed_addr global i8, align 135 36; Function Attrs: mustprogress uwtable37define dso_local void @_Z4testv() local_unnamed_addr #0 !dbg !10 {38entry:39 #dbg_value(i32 7, !14, !DIExpression(), !16)40 tail call void @_Z2f1v(), !dbg !1741 #dbg_value(i32 8, !14, !DIExpression(), !16)42 %0 = load i8, ptr @b, align 1, !dbg !18, !tbaa !20, !range !24, !noundef !2543 %loadedv = trunc nuw i8 %0 to i1, !dbg !1844 br i1 %loadedv, label %if.then, label %if.end, !dbg !2645 46if.then: ; preds = %entry47 tail call void @_Z2f1v(), !dbg !2748 br label %if.end, !dbg !2749 50if.end: ; preds = %if.then, %entry51 ret void, !dbg !2852}53 54declare !dbg !29 void @_Z2f1v() local_unnamed_addr #155 56attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }57attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }58 59!llvm.dbg.cu = !{!0}60!llvm.module.flags = !{!2, !3, !4, !5, !6, !7, !8}61!llvm.ident = !{!9}62 63!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 20.0.0git (git@github.com:)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)64!1 = !DIFile(filename: "loclist_section.cc", directory: "Examples/debug_loc", checksumkind: CSK_MD5, checksum: "67769a94389681c8a6da481e2f358abb")65!2 = !{i32 7, !"Dwarf Version", i32 5}66!3 = !{i32 2, !"Debug Info Version", i32 3}67!4 = !{i32 1, !"wchar_size", i32 4}68!5 = !{i32 8, !"PIC Level", i32 2}69!6 = !{i32 7, !"PIE Level", i32 2}70!7 = !{i32 7, !"uwtable", i32 2}71!8 = !{i32 7, !"debug-info-assignment-tracking", i1 true}72!9 = !{!"clang version 20.0.0git (git@github.com:.../llvm-project.git 7c3256280a78b0505ae4d43985c4d3239451a151)"}73!10 = distinct !DISubprogram(name: "test", linkageName: "_Z4testv", scope: !1, file: !1, line: 3, type: !11, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13)74!11 = !DISubroutineType(types: !12)75!12 = !{null}76!13 = !{!14}77!14 = !DILocalVariable(name: "i", scope: !10, file: !1, line: 6, type: !15)78!15 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)79!16 = !DILocation(line: 0, scope: !10)80!17 = !DILocation(line: 7, column: 5, scope: !10)81!18 = !DILocation(line: 9, column: 9, scope: !19)82!19 = distinct !DILexicalBlock(scope: !10, file: !1, line: 9, column: 9)83!20 = !{!21, !21, i64 0}84!21 = !{!"bool", !22, i64 0}85!22 = !{!"omnipotent char", !23, i64 0}86!23 = !{!"Simple C++ TBAA"}87!24 = !{i8 0, i8 2}88!25 = !{}89!26 = !DILocation(line: 9, column: 9, scope: !10)90!27 = !DILocation(line: 10, column: 7, scope: !19)91!28 = !DILocation(line: 11, column: 1, scope: !10)92!29 = !DISubprogram(name: "f1", linkageName: "_Z2f1v", scope: !1, file: !1, line: 1, type: !11, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized)93