| ; RUN: llc -debug-entry-values %s -o - -filetype=obj \ |
| ; RUN: | llvm-dwarfdump -statistics - | FileCheck %s |
| |
| ; CHECK: "sum_all_variables(#bytes in parent scope covered by DW_OP_entry_value)": 5, |
| ; CHECK-NEXT: "sum_all_params(#bytes in parent scope)": 20, |
| ; CHECK-NEXT: "sum_all_params(#bytes in parent scope covered by DW_AT_location)": 20, |
| ; CHECK-NEXT: "sum_all_params(#bytes in parent scope covered by DW_OP_entry_value)": 5, |
| ; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope)": 90, |
| ; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope covered by DW_AT_location)": 60, |
| ; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope covered by DW_OP_entry_value)": 0, |
| ; CHECK-NEXT: "#bytes within functions": 45, |
| ; CHECK-NEXT: "#bytes within inlined functions": 0, |
| ; CHECK-NEXT: "#params": 2, |
| ; CHECK-NEXT: "#params with source location": 2, |
| ; CHECK-NEXT: "#params with type": 2, |
| ; CHECK-NEXT: "#params with binary location": 2, |
| ; CHECK: "#variables processed by location statistics": 6, |
| ; CHECK-NEXT: "#variables with 0% of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#variables with (0%,10%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables with [10%,20%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables with [20%,30%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables with [30%,40%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables with [40%,50%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables with [50%,60%) of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#variables with [60%,70%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables with [70%,80%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables with [80%,90%) of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#variables with [90%,100%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables with 100% of parent scope covered by DW_AT_location": 3, |
| ; CHECK-NEXT: "#variables - entry values with 0% of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#variables - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables - entry values with [50%,60%) of parent scope covered by DW_AT_location": 2, |
| ; CHECK-NEXT: "#variables - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables - entry values with [80%,90%) of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#variables - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#variables - entry values with 100% of parent scope covered by DW_AT_location": 2, |
| ; CHECK-NEXT: "#params processed by location statistics": 2, |
| ; CHECK-NEXT: "#params with 0% of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with (0%,10%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with [10%,20%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with [20%,30%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with [30%,40%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with [40%,50%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with [50%,60%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with [60%,70%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with [70%,80%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with [80%,90%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with [90%,100%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params with 100% of parent scope covered by DW_AT_location": 2, |
| ; CHECK-NEXT: "#params - entry values with 0% of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params - entry values with [50%,60%) of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#params - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params - entry values with [80%,90%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#params - entry values with 100% of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#local vars processed by location statistics": 4, |
| ; CHECK-NEXT: "#local vars with 0% of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#local vars with (0%,10%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars with [10%,20%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars with [20%,30%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars with [30%,40%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars with [40%,50%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars with [50%,60%) of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#local vars with [60%,70%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars with [70%,80%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars with [80%,90%) of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#local vars with [90%,100%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars with 100% of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#local vars - entry values with 0% of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#local vars - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars - entry values with [50%,60%) of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#local vars - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars - entry values with [80%,90%) of parent scope covered by DW_AT_location": 1, |
| ; CHECK-NEXT: "#local vars - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0, |
| ; CHECK-NEXT: "#local vars - entry values with 100% of parent scope covered by DW_AT_location": 1 |
| |
| ; The source code of the test case: |
| ; extern void fn3(int *); |
| ; extern void fn2 (int); |
| ; __attribute__((noinline)) |
| ; void |
| ; fn1 (int x, int y) |
| ; { |
| ; int u = x + y; |
| ; if (x > 1) |
| ; u += 1; |
| ; else |
| ; u += 2; |
| ; if (y > 4) |
| ; u += x; |
| ; int a = 7; |
| ; fn2 (a); |
| ; u --; |
| ; } |
| |
| ; __attribute__((noinline)) |
| ; int f() |
| ; { |
| ; int l, k; |
| ; fn3(&l); |
| ; fn3(&k); |
| ; fn1 (l, k); |
| ; return 0; |
| ; } |
| |
| ; ModuleID = 'test.c' |
| source_filename = "test.c" |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: noinline nounwind uwtable |
| define dso_local void @fn1(i32 %x, i32 %y) local_unnamed_addr !dbg !16 { |
| entry: |
| call void @llvm.dbg.value(metadata i32 %x, metadata !20, metadata !DIExpression()), !dbg !24 |
| call void @llvm.dbg.value(metadata i32 %y, metadata !21, metadata !DIExpression()), !dbg !24 |
| call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !DIExpression()), !dbg !24 |
| call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !DIExpression()), !dbg !24 |
| call void @llvm.dbg.value(metadata i32 7, metadata !23, metadata !DIExpression()), !dbg !24 |
| tail call void @fn2(i32 7), !dbg !25 |
| 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 |
| ret void, !dbg !26 |
| } |
| |
| ; Function Attrs: argmemonly nounwind willreturn |
| declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) |
| |
| declare !dbg !4 dso_local void @fn2(i32) local_unnamed_addr |
| |
| ; Function Attrs: argmemonly nounwind willreturn |
| declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) |
| |
| ; Function Attrs: noinline nounwind uwtable |
| define dso_local i32 @f() local_unnamed_addr !dbg !27 { |
| entry: |
| %l = alloca i32, align 4 |
| %k = alloca i32, align 4 |
| %0 = bitcast i32* %l to i8*, !dbg !33 |
| call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %0), !dbg !33 |
| %1 = bitcast i32* %k to i8*, !dbg !33 |
| call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %1), !dbg !33 |
| call void @llvm.dbg.value(metadata i32* %l, metadata !31, metadata !DIExpression(DW_OP_deref)), !dbg !34 |
| call void @fn3(i32* nonnull %l), !dbg !35 |
| call void @llvm.dbg.value(metadata i32* %k, metadata !32, metadata !DIExpression(DW_OP_deref)), !dbg !34 |
| call void @fn3(i32* nonnull %k), !dbg !36 |
| %2 = load i32, i32* %l, align 4, !dbg !37 |
| call void @llvm.dbg.value(metadata i32 %2, metadata !31, metadata !DIExpression()), !dbg !34 |
| %3 = load i32, i32* %k, align 4, !dbg !37 |
| call void @llvm.dbg.value(metadata i32 %3, metadata !32, metadata !DIExpression()), !dbg !34 |
| call void @fn1(i32 %2, i32 %3), !dbg !37 |
| call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %1), !dbg !37 |
| call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %0), !dbg !37 |
| ret i32 0, !dbg !37 |
| } |
| |
| declare !dbg !8 dso_local void @fn3(i32*) local_unnamed_addr |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(metadata, metadata, metadata) |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!12, !13, !14} |
| !llvm.ident = !{!15} |
| |
| !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) |
| !1 = !DIFile(filename: "test.c", directory: "/") |
| !2 = !{} |
| !3 = !{!4, !8} |
| !4 = !DISubprogram(name: "fn2", scope: !1, file: !1, line: 2, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{null, !7} |
| !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !8 = !DISubprogram(name: "fn3", scope: !1, file: !1, line: 1, type: !9, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{null, !11} |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64) |
| !12 = !{i32 2, !"Dwarf Version", i32 4} |
| !13 = !{i32 2, !"Debug Info Version", i32 3} |
| !14 = !{i32 1, !"wchar_size", i32 4} |
| !15 = !{!"clang version 10.0.0"} |
| !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) |
| !17 = !DISubroutineType(types: !18) |
| !18 = !{null, !7, !7} |
| !19 = !{!20, !21, !22, !23} |
| !20 = !DILocalVariable(name: "x", arg: 1, scope: !16, file: !1, line: 6, type: !7) |
| !21 = !DILocalVariable(name: "y", arg: 2, scope: !16, file: !1, line: 6, type: !7) |
| !22 = !DILocalVariable(name: "u", scope: !16, file: !1, line: 8, type: !7) |
| !23 = !DILocalVariable(name: "a", scope: !16, file: !1, line: 18, type: !7) |
| !24 = !DILocation(line: 0, scope: !16) |
| !25 = !DILocation(line: 20, column: 3, scope: !16) |
| !26 = !DILocation(line: 22, column: 1, scope: !16) |
| !27 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 25, type: !28, scopeLine: 26, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !30) |
| !28 = !DISubroutineType(types: !29) |
| !29 = !{!7} |
| !30 = !{!31, !32} |
| !31 = !DILocalVariable(name: "l", scope: !27, file: !1, line: 27, type: !7) |
| !32 = !DILocalVariable(name: "k", scope: !27, file: !1, line: 27, type: !7) |
| !33 = !DILocation(line: 27, column: 3, scope: !27) |
| !34 = !DILocation(line: 0, scope: !27) |
| !35 = !DILocation(line: 29, column: 3, scope: !27) |
| !36 = !DILocation(line: 30, column: 3, scope: !27) |
| !37 = !DILocation(line: 32, column: 8, scope: !27) |