1; RUN: llc -debug-entry-values %s -o - -filetype=obj \ 2; RUN: | llvm-dwarfdump -statistics - | FileCheck %s 3 4; CHECK: "sum_all_variables(#bytes in parent scope covered by DW_OP_entry_value)": 5, 5; CHECK-NEXT: "sum_all_params(#bytes in parent scope)": 20, 6; CHECK-NEXT: "sum_all_params(#bytes in parent scope covered by DW_AT_location)": 20, 7; CHECK-NEXT: "sum_all_params(#bytes in parent scope covered by DW_OP_entry_value)": 5, 8; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope)": 90, 9; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope covered by DW_AT_location)": 60, 10; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope covered by DW_OP_entry_value)": 0, 11; CHECK-NEXT: "#bytes within functions": 45, 12; CHECK-NEXT: "#bytes within inlined functions": 0, 13; CHECK-NEXT: "#params": 2, 14; CHECK-NEXT: "#params with source location": 2, 15; CHECK-NEXT: "#params with type": 2, 16; CHECK-NEXT: "#params with binary location": 2, 17; CHECK: "#variables processed by location statistics": 6, 18; CHECK-NEXT: "#variables with 0% of parent scope covered by DW_AT_location": 1, 19; CHECK-NEXT: "#variables with (0%,10%) of parent scope covered by DW_AT_location": 0, 20; CHECK-NEXT: "#variables with [10%,20%) of parent scope covered by DW_AT_location": 0, 21; CHECK-NEXT: "#variables with [20%,30%) of parent scope covered by DW_AT_location": 0, 22; CHECK-NEXT: "#variables with [30%,40%) of parent scope covered by DW_AT_location": 0, 23; CHECK-NEXT: "#variables with [40%,50%) of parent scope covered by DW_AT_location": 0, 24; CHECK-NEXT: "#variables with [50%,60%) of parent scope covered by DW_AT_location": 1, 25; CHECK-NEXT: "#variables with [60%,70%) of parent scope covered by DW_AT_location": 0, 26; CHECK-NEXT: "#variables with [70%,80%) of parent scope covered by DW_AT_location": 0, 27; CHECK-NEXT: "#variables with [80%,90%) of parent scope covered by DW_AT_location": 1, 28; CHECK-NEXT: "#variables with [90%,100%) of parent scope covered by DW_AT_location": 0, 29; CHECK-NEXT: "#variables with 100% of parent scope covered by DW_AT_location": 3, 30; CHECK-NEXT: "#variables - entry values with 0% of parent scope covered by DW_AT_location": 1, 31; CHECK-NEXT: "#variables - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0, 32; CHECK-NEXT: "#variables - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0, 33; CHECK-NEXT: "#variables - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0, 34; CHECK-NEXT: "#variables - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0, 35; CHECK-NEXT: "#variables - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0, 36; CHECK-NEXT: "#variables - entry values with [50%,60%) of parent scope covered by DW_AT_location": 2, 37; CHECK-NEXT: "#variables - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0, 38; CHECK-NEXT: "#variables - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0, 39; CHECK-NEXT: "#variables - entry values with [80%,90%) of parent scope covered by DW_AT_location": 1, 40; CHECK-NEXT: "#variables - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0, 41; CHECK-NEXT: "#variables - entry values with 100% of parent scope covered by DW_AT_location": 2, 42; CHECK-NEXT: "#params processed by location statistics": 2, 43; CHECK-NEXT: "#params with 0% of parent scope covered by DW_AT_location": 0, 44; CHECK-NEXT: "#params with (0%,10%) of parent scope covered by DW_AT_location": 0, 45; CHECK-NEXT: "#params with [10%,20%) of parent scope covered by DW_AT_location": 0, 46; CHECK-NEXT: "#params with [20%,30%) of parent scope covered by DW_AT_location": 0, 47; CHECK-NEXT: "#params with [30%,40%) of parent scope covered by DW_AT_location": 0, 48; CHECK-NEXT: "#params with [40%,50%) of parent scope covered by DW_AT_location": 0, 49; CHECK-NEXT: "#params with [50%,60%) of parent scope covered by DW_AT_location": 0, 50; CHECK-NEXT: "#params with [60%,70%) of parent scope covered by DW_AT_location": 0, 51; CHECK-NEXT: "#params with [70%,80%) of parent scope covered by DW_AT_location": 0, 52; CHECK-NEXT: "#params with [80%,90%) of parent scope covered by DW_AT_location": 0, 53; CHECK-NEXT: "#params with [90%,100%) of parent scope covered by DW_AT_location": 0, 54; CHECK-NEXT: "#params with 100% of parent scope covered by DW_AT_location": 2, 55; CHECK-NEXT: "#params - entry values with 0% of parent scope covered by DW_AT_location": 0, 56; CHECK-NEXT: "#params - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0, 57; CHECK-NEXT: "#params - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0, 58; CHECK-NEXT: "#params - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0, 59; CHECK-NEXT: "#params - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0, 60; CHECK-NEXT: "#params - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0, 61; CHECK-NEXT: "#params - entry values with [50%,60%) of parent scope covered by DW_AT_location": 1, 62; CHECK-NEXT: "#params - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0, 63; CHECK-NEXT: "#params - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0, 64; CHECK-NEXT: "#params - entry values with [80%,90%) of parent scope covered by DW_AT_location": 0, 65; CHECK-NEXT: "#params - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0, 66; CHECK-NEXT: "#params - entry values with 100% of parent scope covered by DW_AT_location": 1, 67; CHECK-NEXT: "#local vars processed by location statistics": 4, 68; CHECK-NEXT: "#local vars with 0% of parent scope covered by DW_AT_location": 1, 69; CHECK-NEXT: "#local vars with (0%,10%) of parent scope covered by DW_AT_location": 0, 70; CHECK-NEXT: "#local vars with [10%,20%) of parent scope covered by DW_AT_location": 0, 71; CHECK-NEXT: "#local vars with [20%,30%) of parent scope covered by DW_AT_location": 0, 72; CHECK-NEXT: "#local vars with [30%,40%) of parent scope covered by DW_AT_location": 0, 73; CHECK-NEXT: "#local vars with [40%,50%) of parent scope covered by DW_AT_location": 0, 74; CHECK-NEXT: "#local vars with [50%,60%) of parent scope covered by DW_AT_location": 1, 75; CHECK-NEXT: "#local vars with [60%,70%) of parent scope covered by DW_AT_location": 0, 76; CHECK-NEXT: "#local vars with [70%,80%) of parent scope covered by DW_AT_location": 0, 77; CHECK-NEXT: "#local vars with [80%,90%) of parent scope covered by DW_AT_location": 1, 78; CHECK-NEXT: "#local vars with [90%,100%) of parent scope covered by DW_AT_location": 0, 79; CHECK-NEXT: "#local vars with 100% of parent scope covered by DW_AT_location": 1, 80; CHECK-NEXT: "#local vars - entry values with 0% of parent scope covered by DW_AT_location": 1, 81; CHECK-NEXT: "#local vars - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0, 82; CHECK-NEXT: "#local vars - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0, 83; CHECK-NEXT: "#local vars - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0, 84; CHECK-NEXT: "#local vars - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0, 85; CHECK-NEXT: "#local vars - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0, 86; CHECK-NEXT: "#local vars - entry values with [50%,60%) of parent scope covered by DW_AT_location": 1, 87; CHECK-NEXT: "#local vars - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0, 88; CHECK-NEXT: "#local vars - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0, 89; CHECK-NEXT: "#local vars - entry values with [80%,90%) of parent scope covered by DW_AT_location": 1, 90; CHECK-NEXT: "#local vars - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0, 91; CHECK-NEXT: "#local vars - entry values with 100% of parent scope covered by DW_AT_location": 1 92 93; The source code of the test case: 94; extern void fn3(int *); 95; extern void fn2 (int); 96; __attribute__((noinline)) 97; void 98; fn1 (int x, int y) 99; { 100; int u = x + y; 101; if (x > 1) 102; u += 1; 103; else 104; u += 2; 105; if (y > 4) 106; u += x; 107; int a = 7; 108; fn2 (a); 109; u --; 110; } 111 112; __attribute__((noinline)) 113; int f() 114; { 115; int l, k; 116; fn3(&l); 117; fn3(&k); 118; fn1 (l, k); 119; return 0; 120; } 121 122; ModuleID = 'test.c' 123source_filename = "test.c" 124target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 125target triple = "x86_64-unknown-linux-gnu" 126 127; Function Attrs: noinline nounwind uwtable 128define dso_local void @fn1(i32 %x, i32 %y) local_unnamed_addr !dbg !16 { 129entry: 130 call void @llvm.dbg.value(metadata i32 %x, metadata !20, metadata !DIExpression()), !dbg !24 131 call void @llvm.dbg.value(metadata i32 %y, metadata !21, metadata !DIExpression()), !dbg !24 132 call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !DIExpression()), !dbg !24 133 call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !DIExpression()), !dbg !24 134 call void @llvm.dbg.value(metadata i32 7, metadata !23, metadata !DIExpression()), !dbg !24 135 tail call void @fn2(i32 7), !dbg !25 136 call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !DIExpression(DW_OP_constu, 1, DW_OP_minus, DW_OP_stack_value)), !dbg !24 137 ret void, !dbg !26 138} 139 140; Function Attrs: argmemonly nounwind willreturn 141declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) 142 143declare !dbg !4 dso_local void @fn2(i32) local_unnamed_addr 144 145; Function Attrs: argmemonly nounwind willreturn 146declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) 147 148; Function Attrs: noinline nounwind uwtable 149define dso_local i32 @f() local_unnamed_addr !dbg !27 { 150entry: 151 %l = alloca i32, align 4 152 %k = alloca i32, align 4 153 %0 = bitcast i32* %l to i8*, !dbg !33 154 call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %0), !dbg !33 155 %1 = bitcast i32* %k to i8*, !dbg !33 156 call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %1), !dbg !33 157 call void @llvm.dbg.value(metadata i32* %l, metadata !31, metadata !DIExpression(DW_OP_deref)), !dbg !34 158 call void @fn3(i32* nonnull %l), !dbg !35 159 call void @llvm.dbg.value(metadata i32* %k, metadata !32, metadata !DIExpression(DW_OP_deref)), !dbg !34 160 call void @fn3(i32* nonnull %k), !dbg !36 161 %2 = load i32, i32* %l, align 4, !dbg !37 162 call void @llvm.dbg.value(metadata i32 %2, metadata !31, metadata !DIExpression()), !dbg !34 163 %3 = load i32, i32* %k, align 4, !dbg !37 164 call void @llvm.dbg.value(metadata i32 %3, metadata !32, metadata !DIExpression()), !dbg !34 165 call void @fn1(i32 %2, i32 %3), !dbg !37 166 call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %1), !dbg !37 167 call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %0), !dbg !37 168 ret i32 0, !dbg !37 169} 170 171declare !dbg !8 dso_local void @fn3(i32*) local_unnamed_addr 172 173; Function Attrs: nounwind readnone speculatable willreturn 174declare void @llvm.dbg.value(metadata, metadata, metadata) 175 176!llvm.dbg.cu = !{!0} 177!llvm.module.flags = !{!12, !13, !14} 178!llvm.ident = !{!15} 179 180!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None) 181!1 = !DIFile(filename: "test.c", directory: "/") 182!2 = !{} 183!3 = !{!4, !8} 184!4 = !DISubprogram(name: "fn2", scope: !1, file: !1, line: 2, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) 185!5 = !DISubroutineType(types: !6) 186!6 = !{null, !7} 187!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 188!8 = !DISubprogram(name: "fn3", scope: !1, file: !1, line: 1, type: !9, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) 189!9 = !DISubroutineType(types: !10) 190!10 = !{null, !11} 191!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64) 192!12 = !{i32 2, !"Dwarf Version", i32 4} 193!13 = !{i32 2, !"Debug Info Version", i32 3} 194!14 = !{i32 1, !"wchar_size", i32 4} 195!15 = !{!"clang version 10.0.0"} 196!16 = distinct !DISubprogram(name: "fn1", scope: !1, file: !1, line: 6, type: !17, scopeLine: 7, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !19) 197!17 = !DISubroutineType(types: !18) 198!18 = !{null, !7, !7} 199!19 = !{!20, !21, !22, !23} 200!20 = !DILocalVariable(name: "x", arg: 1, scope: !16, file: !1, line: 6, type: !7) 201!21 = !DILocalVariable(name: "y", arg: 2, scope: !16, file: !1, line: 6, type: !7) 202!22 = !DILocalVariable(name: "u", scope: !16, file: !1, line: 8, type: !7) 203!23 = !DILocalVariable(name: "a", scope: !16, file: !1, line: 18, type: !7) 204!24 = !DILocation(line: 0, scope: !16) 205!25 = !DILocation(line: 20, column: 3, scope: !16) 206!26 = !DILocation(line: 22, column: 1, scope: !16) 207!27 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 25, type: !28, scopeLine: 26, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !30) 208!28 = !DISubroutineType(types: !29) 209!29 = !{!7} 210!30 = !{!31, !32} 211!31 = !DILocalVariable(name: "l", scope: !27, file: !1, line: 27, type: !7) 212!32 = !DILocalVariable(name: "k", scope: !27, file: !1, line: 27, type: !7) 213!33 = !DILocation(line: 27, column: 3, scope: !27) 214!34 = !DILocation(line: 0, scope: !27) 215!35 = !DILocation(line: 29, column: 3, scope: !27) 216!36 = !DILocation(line: 30, column: 3, scope: !27) 217!37 = !DILocation(line: 32, column: 8, scope: !27) 218