; RUN: llc %s -mtriple=x86_64-unknown-linux-gnu --dwarf-version=4 --basic-block-sections=none -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s ; 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 %s ; RUN: llc %s -mtriple=x86_64-unknown-linux-gnu --dwarf-version=5 --basic-block-sections=none -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s ; 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 %s ; CHECK: DW_TAG_variable ; CHECK-NEXT: DW_AT_location ; CHECK-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +7, DW_OP_stack_value ; CHECK-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +8, DW_OP_stack_value ; CHECK-NEXT: DW_AT_name ("i") ; SECTIONS: DW_TAG_variable ; SECTIONS-NEXT: DW_AT_location ; SECTIONS-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +7, DW_OP_stack_value ; SECTIONS-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +8, DW_OP_stack_value ; SECTIONS-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +8, DW_OP_stack_value ; SECTIONS-NEXT: [0x{{[0-9a-f]+}}, 0x{{[0-9a-f]+}}): DW_OP_consts +8, DW_OP_stack_value ; SECTIONS-NEXT: DW_AT_name ("i") ; Source to generate the IR below: ; void f1(); ; extern bool b; ; void test() { ; // i is not a const throughout the whole scope and should ; // not use DW_AT_const_value ; int i = 7; ; f1(); ; i = 8; ; if (b) ; f1(); ; } ; $ clang++ -S loclist_section.cc -O2 -g -emit-llvm @b = external local_unnamed_addr global i8, align 1 ; Function Attrs: mustprogress uwtable define dso_local void @_Z4testv() local_unnamed_addr #0 !dbg !10 { entry: #dbg_value(i32 7, !14, !DIExpression(), !16) tail call void @_Z2f1v(), !dbg !17 #dbg_value(i32 8, !14, !DIExpression(), !16) %0 = load i8, ptr @b, align 1, !dbg !18, !tbaa !20, !range !24, !noundef !25 %loadedv = trunc nuw i8 %0 to i1, !dbg !18 br i1 %loadedv, label %if.then, label %if.end, !dbg !26 if.then: ; preds = %entry tail call void @_Z2f1v(), !dbg !27 br label %if.end, !dbg !27 if.end: ; preds = %if.then, %entry ret void, !dbg !28 } declare !dbg !29 void @_Z2f1v() local_unnamed_addr #1 attributes #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" } attributes #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" } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!2, !3, !4, !5, !6, !7, !8} !llvm.ident = !{!9} !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) !1 = !DIFile(filename: "loclist_section.cc", directory: "Examples/debug_loc", checksumkind: CSK_MD5, checksum: "67769a94389681c8a6da481e2f358abb") !2 = !{i32 7, !"Dwarf Version", i32 5} !3 = !{i32 2, !"Debug Info Version", i32 3} !4 = !{i32 1, !"wchar_size", i32 4} !5 = !{i32 8, !"PIC Level", i32 2} !6 = !{i32 7, !"PIE Level", i32 2} !7 = !{i32 7, !"uwtable", i32 2} !8 = !{i32 7, !"debug-info-assignment-tracking", i1 true} !9 = !{!"clang version 20.0.0git (git@github.com:.../llvm-project.git 7c3256280a78b0505ae4d43985c4d3239451a151)"} !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) !11 = !DISubroutineType(types: !12) !12 = !{null} !13 = !{!14} !14 = !DILocalVariable(name: "i", scope: !10, file: !1, line: 6, type: !15) !15 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !16 = !DILocation(line: 0, scope: !10) !17 = !DILocation(line: 7, column: 5, scope: !10) !18 = !DILocation(line: 9, column: 9, scope: !19) !19 = distinct !DILexicalBlock(scope: !10, file: !1, line: 9, column: 9) !20 = !{!21, !21, i64 0} !21 = !{!"bool", !22, i64 0} !22 = !{!"omnipotent char", !23, i64 0} !23 = !{!"Simple C++ TBAA"} !24 = !{i8 0, i8 2} !25 = !{} !26 = !DILocation(line: 9, column: 9, scope: !10) !27 = !DILocation(line: 10, column: 7, scope: !19) !28 = !DILocation(line: 11, column: 1, scope: !10) !29 = !DISubprogram(name: "f1", linkageName: "_Z2f1v", scope: !1, file: !1, line: 1, type: !11, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized)