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