1; RUN: opt %s -S -passes=inline -o - | FileCheck %s 2; RUN: opt --try-experimental-debuginfo-iterators %s -S -passes=inline -o - | FileCheck %s 3 4;; Check that all DIAssignID metadata that are inlined are replaced with new 5;; versions. Otherwise two inlined instances of an assignment will be considered 6;; to be the same assignment. 7;; 8;; $cat test.cpp 9;; __attribute__((always_inline)) 10;; int get() { int val = 5; return val; } 11;; void fun() { 12;; get(); 13;; get(); 14;; } 15 16; CHECK-LABEL: _Z3funv 17; 18; CHECK: store i32 5, ptr %val.i, align 4{{.*}}, !DIAssignID [[ID_0:![0-9]+]] 19; CHECK-NEXT: #dbg_assign(i32 5, [[val:![0-9]+]], !DIExpression(), [[ID_0]], ptr %val.i, !DIExpression(), [[dl_inline_0:![0-9]+]] 20; 21; CHECK: store i32 5, ptr %val.i1, align 4{{.*}}, !DIAssignID [[ID_1:![0-9]+]] 22; CHECK-NEXT: #dbg_assign(i32 5, [[val]], !DIExpression(), [[ID_1]], ptr %val.i1, !DIExpression(), [[dl_inline_1:![0-9]+]] 23; 24; CHECK-DAG: [[val]] = !DILocalVariable(name: "val", 25; CHECK-DAG: [[dl_inline_0]] = !DILocation({{.*}}inlinedAt 26; CHECK-DAG: [[dl_inline_1]] = !DILocation({{.*}}inlinedAt 27; CHECK-DAG: [[ID_0]] = distinct !DIAssignID() 28; CHECK-DAG: [[ID_1]] = distinct !DIAssignID() 29 30define dso_local i32 @_Z3getv() !dbg !7 { 31entry: 32 %val = alloca i32, align 4, !DIAssignID !13 33 call void @llvm.dbg.assign(metadata i1 undef, metadata !12, metadata !DIExpression(), metadata !13, metadata ptr %val, metadata !DIExpression()), !dbg !14 34 %0 = bitcast ptr %val to ptr, !dbg !15 35 call void @llvm.lifetime.start.p0(i64 4, ptr %0), !dbg !15 36 store i32 5, ptr %val, align 4, !dbg !16, !DIAssignID !21 37 call void @llvm.dbg.assign(metadata i32 5, metadata !12, metadata !DIExpression(), metadata !21, metadata ptr %val, metadata !DIExpression()), !dbg !14 38 %1 = load i32, ptr %val, align 4, !dbg !22 39 %2 = bitcast ptr %val to ptr, !dbg !23 40 call void @llvm.lifetime.end.p0(i64 4, ptr %2), !dbg !23 41 ret i32 %1, !dbg !24 42} 43 44declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) 45declare void @llvm.dbg.declare(metadata, metadata, metadata) 46declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) 47declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) 48 49; Function Attrs: nounwind uwtable mustprogress 50define dso_local void @_Z3funv() !dbg !25 { 51entry: 52 %call = call i32 @_Z3getv(), !dbg !28 53 %call1 = call i32 @_Z3getv(), !dbg !29 54 ret void, !dbg !30 55} 56 57!llvm.dbg.cu = !{!0} 58!llvm.module.flags = !{!3, !4, !5, !1000} 59!llvm.ident = !{!6} 60 61!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None) 62!1 = !DIFile(filename: "test.cpp", directory: "") 63!2 = !{} 64!3 = !{i32 7, !"Dwarf Version", i32 4} 65!4 = !{i32 2, !"Debug Info Version", i32 3} 66!5 = !{i32 1, !"wchar_size", i32 4} 67!6 = !{!"clang version 12.0.0"} 68!7 = distinct !DISubprogram(name: "get", linkageName: "_Z3getv", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11) 69!8 = !DISubroutineType(types: !9) 70!9 = !{!10} 71!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 72!11 = !{!12} 73!12 = !DILocalVariable(name: "val", scope: !7, file: !1, line: 2, type: !10) 74!13 = distinct !DIAssignID() 75!14 = !DILocation(line: 0, scope: !7) 76!15 = !DILocation(line: 2, column: 13, scope: !7) 77!16 = !DILocation(line: 2, column: 17, scope: !7) 78!21 = distinct !DIAssignID() 79!22 = !DILocation(line: 2, column: 33, scope: !7) 80!23 = !DILocation(line: 2, column: 38, scope: !7) 81!24 = !DILocation(line: 2, column: 26, scope: !7) 82!25 = distinct !DISubprogram(name: "fun", linkageName: "_Z3funv", scope: !1, file: !1, line: 3, type: !26, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) 83!26 = !DISubroutineType(types: !27) 84!27 = !{null} 85!28 = !DILocation(line: 4, column: 3, scope: !25) 86!29 = !DILocation(line: 5, column: 3, scope: !25) 87!30 = !DILocation(line: 6, column: 1, scope: !25) 88!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true} 89