| ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=obj -O0 < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s |
| |
| ;; This test checks that Inlined DILexicalBlockFile with local decl entry |
| ;; is skipped and only one DW_TAG_lexical_block is generated. |
| ;; This test is special because it contains DILexicalBlockFile that has a |
| ;; DILexicalBlockFile as a parent scope. |
| ;; |
| ;; This test was generated by running following command: |
| ;; clang -cc1 -O0 -debug-info-kind=limited -dwarf-version=4 -emit-llvm test.cpp |
| ;; Where test.cpp |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| ;;namespace N {} |
| ;; __attribute__((always_inline)) int bar() { |
| ;; { |
| ;; int y; |
| ;;#line 1 "test.h" |
| ;; using namespace N; |
| ;; while (y < 0) return 2; |
| ;; return 0; |
| ;; } |
| ;;} |
| ;;int foo() { |
| ;; return bar(); |
| ;;} |
| ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| |
| ;; Concrete "bar" function |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_AT_abstract_origin {{.*}} {[[Offset_bar:0x[0-9abcdef]+]]} |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_TAG_lexical_block |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_TAG_variable |
| |
| ;; Abstract "bar" function |
| ; CHECK: [[Offset_bar]]: DW_TAG_subprogram |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_AT_name {{.*}} "bar" |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_AT_inline |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_TAG_lexical_block |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_TAG_imported_module |
| |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_AT_name {{.*}} "foo" |
| ; CHECK-NOT: {{NULL}} |
| |
| ;; Inlined "bar" function |
| ; CHECK: DW_TAG_inlined_subroutine |
| ; CHECK-NEXT: DW_AT_abstract_origin {{.*}} {[[Offset_bar]]} |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_TAG_lexical_block |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| ; CHECK: DW_TAG_variable |
| |
| ; Function Attrs: alwaysinline nounwind |
| define i32 @_Z3barv() #0 !dbg !4 { |
| entry: |
| %retval = alloca i32, align 4 |
| %y = alloca i32, align 4 |
| call void @llvm.dbg.declare(metadata ptr %y, metadata !18, metadata !19), !dbg !20 |
| br label %while.cond, !dbg !21 |
| |
| while.cond: ; preds = %entry |
| %0 = load i32, ptr %y, align 4, !dbg !22 |
| %cmp = icmp slt i32 %0, 0, !dbg !22 |
| br i1 %cmp, label %while.body, label %while.end, !dbg !22 |
| |
| while.body: ; preds = %while.cond |
| store i32 2, ptr %retval, align 4, !dbg !24 |
| br label %return, !dbg !24 |
| |
| while.end: ; preds = %while.cond |
| store i32 0, ptr %retval, align 4, !dbg !26 |
| br label %return, !dbg !26 |
| |
| return: ; preds = %while.end, %while.body |
| %1 = load i32, ptr %retval, align 4, !dbg !27 |
| ret i32 %1, !dbg !27 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: nounwind |
| define i32 @_Z3foov() #2 !dbg !8 { |
| entry: |
| %retval.i = alloca i32, align 4 |
| %y.i = alloca i32, align 4 |
| call void @llvm.dbg.declare(metadata ptr %y.i, metadata !18, metadata !19), !dbg !29 |
| %0 = load i32, ptr %y.i, align 4, !dbg !31 |
| %cmp.i = icmp slt i32 %0, 0, !dbg !31 |
| br i1 %cmp.i, label %while.body.i, label %while.end.i, !dbg !31 |
| |
| while.body.i: ; preds = %entry |
| store i32 2, ptr %retval.i, align 4, !dbg !32 |
| br label %_Z3barv.exit, !dbg !32 |
| |
| while.end.i: ; preds = %entry |
| store i32 0, ptr %retval.i, align 4, !dbg !33 |
| br label %_Z3barv.exit, !dbg !33 |
| |
| _Z3barv.exit: ; preds = %while.end.i, %while.body.i |
| %1 = load i32, ptr %retval.i, align 4, !dbg !34 |
| ret i32 %1, !dbg !35 |
| } |
| |
| attributes #0 = { alwaysinline nounwind } |
| attributes #1 = { nounwind readnone } |
| attributes #2 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!15, !16} |
| !llvm.ident = !{!17} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 (trunk 264349)", isOptimized: false, runtimeVersion: 0, emissionKind: 1, enums: !2) |
| !1 = !DIFile(filename: "test.cpp", directory: "/") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", scope: !1, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !10) |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{!7} |
| !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !8 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !9, file: !9, line: 6, type: !5, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) |
| !9 = !DIFile(filename: "test.h", directory: "/") |
| !10 = !{!11} |
| !11 = !DIImportedEntity(tag: DW_TAG_imported_module, scope: !12, entity: !14, file: !1, line: 1) |
| !12 = !DILexicalBlockFile(scope: !13, file: !9, discriminator: 0) |
| !13 = distinct !DILexicalBlock(scope: !4, file: !1, line: 3) |
| !14 = !DINamespace(name: "N", scope: null) |
| !15 = !{i32 2, !"Dwarf Version", i32 4} |
| !16 = !{i32 2, !"Debug Info Version", i32 3} |
| !17 = !{!"clang version 3.9.0 (trunk 264349)"} |
| !18 = !DILocalVariable(name: "y", scope: !13, file: !1, line: 4, type: !7) |
| !19 = !DIExpression() |
| !20 = !DILocation(line: 4, scope: !13) |
| !21 = !DILocation(line: 2, scope: !12) |
| !22 = !DILocation(line: 2, scope: !23) |
| !23 = !DILexicalBlockFile(scope: !12, file: !9, discriminator: 1) |
| !24 = !DILocation(line: 2, scope: !25) |
| !25 = !DILexicalBlockFile(scope: !12, file: !9, discriminator: 2) |
| !26 = !DILocation(line: 3, scope: !12) |
| !27 = !DILocation(line: 5, scope: !28) |
| !28 = !DILexicalBlockFile(scope: !4, file: !9, discriminator: 0) |
| !29 = !DILocation(line: 4, scope: !13, inlinedAt: !30) |
| !30 = distinct !DILocation(line: 7, scope: !8) |
| !31 = !DILocation(line: 2, scope: !23, inlinedAt: !30) |
| !32 = !DILocation(line: 2, scope: !25, inlinedAt: !30) |
| !33 = !DILocation(line: 3, scope: !12, inlinedAt: !30) |
| !34 = !DILocation(line: 5, scope: !28, inlinedAt: !30) |
| !35 = !DILocation(line: 7, scope: !8) |