1; RUN: llc %s -stop-after=finalize-isel -o - | FileCheck %s --implicit-check-not=DBG 2; RUN: llc --try-experimental-debuginfo-iterators %s -stop-after=finalize-isel -o - | FileCheck %s --implicit-check-not=DBG 3 4;; Check that a single "empty metadata" dbg.declare doesn't accidentally cause 5;; other dbg.declares in the function to go missing. 6 7; CHECK: ![[f:[0-9]+]] = !DILocalVariable(name: "f", 8 9; CHECK: stack: 10; CHECK-NEXT: - { id: 0, name: f, type: default, offset: 0, size: 4, alignment: 4, 11; CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true, 12; CHECK-NEXT: debug-info-variable: '![[f]]', debug-info-expression: '!DIExpression()', 13; CHECK-NEXT: debug-info-location: '{{.+}}' } 14; CHECK-NEXT: entry_values: 15 16target triple = "x86_64-unknown-linux-gnu" 17 18define dso_local void @fun() local_unnamed_addr #0 !dbg !9 { 19entry: 20 %f = alloca float 21 call void @llvm.dbg.declare(metadata ptr %f, metadata !13, metadata !DIExpression()), !dbg !15 22 call void @llvm.dbg.declare(metadata !19, metadata !18, metadata !DIExpression()), !dbg !15 23 ret void, !dbg !17 24} 25 26declare void @llvm.dbg.declare(metadata, metadata, metadata) 27 28!llvm.dbg.cu = !{!0} 29!llvm.module.flags = !{!2, !3, !4, !5, !6, !7} 30!llvm.ident = !{!8} 31 32!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 16.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) 33!1 = !DIFile(filename: "test.cpp", directory: "/") 34!2 = !{i32 7, !"Dwarf Version", i32 5} 35!3 = !{i32 2, !"Debug Info Version", i32 3} 36!4 = !{i32 1, !"wchar_size", i32 4} 37!5 = !{i32 8, !"PIC Level", i32 2} 38!6 = !{i32 7, !"PIE Level", i32 2} 39!7 = !{i32 7, !"uwtable", i32 2} 40!8 = !{!"clang version 16.0.0"} 41!9 = distinct !DISubprogram(name: "fun", linkageName: "fun", scope: !1, file: !1, line: 2, type: !10, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !12) 42!10 = !DISubroutineType(types: !11) 43!11 = !{null} 44!12 = !{!13} 45!13 = !DILocalVariable(name: "f", scope: !9, file: !1, line: 3, type: !14) 46!14 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float) 47!15 = !DILocation(line: 0, scope: !9) 48!16 = !DILocation(line: 4, column: 3, scope: !9) 49!17 = !DILocation(line: 5, column: 1, scope: !9) 50!18 = !DILocalVariable(name: "g", scope: !9, file: !1, line: 3, type: !14) 51!19 = !{} 52