1; RUN: llc %s -stop-after=finalize-isel -o - \ 2; RUN: | FileCheck %s --implicit-check-not=DBG --check-prefixes=AT-DISABLED,BOTH 3; RUN: llc %s -stop-after=finalize-isel -o - --try-experimental-debuginfo-iterators \ 4; RUN: | FileCheck %s --implicit-check-not=DBG --check-prefixes=AT-DISABLED,BOTH 5; RUN: llc --try-experimental-debuginfo-iterators %s -stop-after=finalize-isel -o - \ 6; RUN: | FileCheck %s --implicit-check-not=DBG --check-prefixes=AT-DISABLED,BOTH 7 8;; Check that dbg.values with empty metadata are treated as kills (i.e. become 9;; DBG_VALUE $noreg, ...). dbg.declares with empty metadata location operands 10;; should be ignored. 11 12; RUN: sed 's/;Uncomment-with-sed//g' < %s \ 13; RUN: | llc -stop-after=finalize-isel -o - \ 14; RUN: | FileCheck %s --implicit-check-not=DBG --check-prefixes=AT-ENABLED,BOTH 15; RUN: sed 's/;Uncomment-with-sed//g' < %s \ 16; RUN: | llc --try-experimental-debuginfo-iterators -stop-after=finalize-isel -o - \ 17; RUN: | FileCheck %s --implicit-check-not=DBG --check-prefixes=AT-ENABLED,BOTH 18;; Check the same behaviour occurs with assignment tracking enabled. 19 20;; First ensure assignment tracking is truly unset/set. 21; AT-DISABLED: !llvm.module.flags = !{![[DWARFv:[0-9]+]], ![[DEBUGv:[0-9]+]]} 22; AT-DISABLED-NOT: !{i32 7, !"debug-info-assignment-tracking", i1 true} 23; AT-ENABLED: !llvm.module.flags = !{![[DWARFv:[0-9]+]], ![[DEBUGv:[0-9]+]], ![[AT:[0-9]+]]} 24; AT-ENABLED-DAG: ![[AT]] = !{i32 7, !"debug-info-assignment-tracking", i1 true} 25; BOTH-DAG: ![[DWARFv]] = !{i32 7, !"Dwarf Version", i32 5} 26; BOTH-DAG: ![[DEBUGv]] = !{i32 2, !"Debug Info Version", i32 3} 27 28; BOTH: stack: [] 29; BOTH: DBG_VALUE float 5.000000e+00 30; BOTH: @ext 31; BOTH: DBG_VALUE $noreg 32; BOTH: @ext 33 34target triple = "x86_64-unknown-linux-gnu" 35 36define dso_local void @fun() local_unnamed_addr #0 !dbg !9 { 37entry: 38 call void @llvm.dbg.declare(metadata !{}, metadata !20, metadata !DIExpression()), !dbg !15 39 call void @llvm.dbg.value(metadata float 5.000000e+00, metadata !13, metadata !DIExpression()), !dbg !15 40 tail call void @ext(), !dbg !16 41 call void @llvm.dbg.value(metadata !{}, metadata !13, metadata !DIExpression()), !dbg !15 42 tail call void @ext(), !dbg !16 43 ret void, !dbg !17 44} 45 46declare !dbg !18 void @ext() local_unnamed_addr 47declare void @llvm.dbg.value(metadata, metadata, metadata) 48declare void @llvm.dbg.declare(metadata, metadata, metadata) 49 50!llvm.dbg.cu = !{!0} 51!llvm.module.flags = !{!2, !3 52;Uncomment-with-sed , !21 53} 54!llvm.ident = !{!8} 55 56!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) 57!1 = !DIFile(filename: "test.cpp", directory: "/") 58!2 = !{i32 7, !"Dwarf Version", i32 5} 59!3 = !{i32 2, !"Debug Info Version", i32 3} 60!8 = !{!"clang version 16.0.0"} 61!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) 62!10 = !DISubroutineType(types: !11) 63!11 = !{null} 64!12 = !{!13} 65!13 = !DILocalVariable(name: "f", scope: !9, file: !1, line: 3, type: !14) 66!14 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float) 67!15 = !DILocation(line: 0, scope: !9) 68!16 = !DILocation(line: 4, column: 3, scope: !9) 69!17 = !DILocation(line: 5, column: 1, scope: !9) 70!18 = !DISubprogram(name: "ext", linkageName: "ext", scope: !1, file: !1, line: 1, type: !10, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !19) 71!19 = !{} 72!20 = !DILocalVariable(name: "g", scope: !9, file: !1, line: 3, type: !14) 73!21 = !{i32 7, !"debug-info-assignment-tracking", i1 true} 74