; RUN: llc %s -stop-after=finalize-isel -o - \ ; RUN: | FileCheck %s --implicit-check-not=DBG --check-prefixes=AT-DISABLED,BOTH ; RUN: llc %s -stop-after=finalize-isel -o - --try-experimental-debuginfo-iterators \ ; RUN: | FileCheck %s --implicit-check-not=DBG --check-prefixes=AT-DISABLED,BOTH ; RUN: llc --try-experimental-debuginfo-iterators %s -stop-after=finalize-isel -o - \ ; RUN: | FileCheck %s --implicit-check-not=DBG --check-prefixes=AT-DISABLED,BOTH ;; Check that dbg.values with empty metadata are treated as kills (i.e. become ;; DBG_VALUE $noreg, ...). dbg.declares with empty metadata location operands ;; should be ignored. ; RUN: sed 's/;Uncomment-with-sed//g' < %s \ ; RUN: | llc -stop-after=finalize-isel -o - \ ; RUN: | FileCheck %s --implicit-check-not=DBG --check-prefixes=AT-ENABLED,BOTH ; RUN: sed 's/;Uncomment-with-sed//g' < %s \ ; RUN: | llc --try-experimental-debuginfo-iterators -stop-after=finalize-isel -o - \ ; RUN: | FileCheck %s --implicit-check-not=DBG --check-prefixes=AT-ENABLED,BOTH ;; Check the same behaviour occurs with assignment tracking enabled. ;; First ensure assignment tracking is truly unset/set. ; AT-DISABLED: !llvm.module.flags = !{![[DWARFv:[0-9]+]], ![[DEBUGv:[0-9]+]]} ; AT-DISABLED-NOT: !{i32 7, !"debug-info-assignment-tracking", i1 true} ; AT-ENABLED: !llvm.module.flags = !{![[DWARFv:[0-9]+]], ![[DEBUGv:[0-9]+]], ![[AT:[0-9]+]]} ; AT-ENABLED-DAG: ![[AT]] = !{i32 7, !"debug-info-assignment-tracking", i1 true} ; BOTH-DAG: ![[DWARFv]] = !{i32 7, !"Dwarf Version", i32 5} ; BOTH-DAG: ![[DEBUGv]] = !{i32 2, !"Debug Info Version", i32 3} ; BOTH: stack: [] ; BOTH: DBG_VALUE float 5.000000e+00 ; BOTH: @ext ; BOTH: DBG_VALUE $noreg ; BOTH: @ext target triple = "x86_64-unknown-linux-gnu" define dso_local void @fun() local_unnamed_addr #0 !dbg !9 { entry: call void @llvm.dbg.declare(metadata !{}, metadata !20, metadata !DIExpression()), !dbg !15 call void @llvm.dbg.value(metadata float 5.000000e+00, metadata !13, metadata !DIExpression()), !dbg !15 tail call void @ext(), !dbg !16 call void @llvm.dbg.value(metadata !{}, metadata !13, metadata !DIExpression()), !dbg !15 tail call void @ext(), !dbg !16 ret void, !dbg !17 } declare !dbg !18 void @ext() local_unnamed_addr declare void @llvm.dbg.value(metadata, metadata, metadata) declare void @llvm.dbg.declare(metadata, metadata, metadata) !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!2, !3 ;Uncomment-with-sed , !21 } !llvm.ident = !{!8} !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) !1 = !DIFile(filename: "test.cpp", directory: "/") !2 = !{i32 7, !"Dwarf Version", i32 5} !3 = !{i32 2, !"Debug Info Version", i32 3} !8 = !{!"clang version 16.0.0"} !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) !10 = !DISubroutineType(types: !11) !11 = !{null} !12 = !{!13} !13 = !DILocalVariable(name: "f", scope: !9, file: !1, line: 3, type: !14) !14 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float) !15 = !DILocation(line: 0, scope: !9) !16 = !DILocation(line: 4, column: 3, scope: !9) !17 = !DILocation(line: 5, column: 1, scope: !9) !18 = !DISubprogram(name: "ext", linkageName: "ext", scope: !1, file: !1, line: 1, type: !10, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !19) !19 = !{} !20 = !DILocalVariable(name: "g", scope: !9, file: !1, line: 3, type: !14) !21 = !{i32 7, !"debug-info-assignment-tracking", i1 true}