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llvm-mirror/test/DebugInfo/COFF/lines-difile.ll

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[codeview] Merge file checksum entries for DIFiles with the same absolute path Change the map key from DIFile* to the absolute path string. Computing the absolute path isn't expensive because we already have a map that caches the full path keyed on DIFile*. llvm-svn: 317041
2017-10-31 22:52:15 +01:00
; RUN: llc < %s | FileCheck %s --check-prefix=ASM
; RUN: llc < %s -filetype=obj | llvm-readobj -codeview | FileCheck %s --check-prefix=OBJ
; Test what happens when we have two DIFile entries with differing slashes.
; Make sure we only emit one file checksum entry.
; C++ source, compiled as:
; $ clang -S -emit-llvm -g -gcodeview ../t.cpp -o t.ll
; struct Foo { Foo(); };
; extern int global;
; Foo gy;
; void f() {
; ++global;
; ++global;
; }
; The relative path with a forward slash is important for creating TWO DIFile
; entries for the same file.
; ASM: .cv_file 1 "{{.*}}t.cpp" "8B89D3B180D6A1BC83E7126D5FD870C3" 1
; ASM-NOT: .cv_file 1 "{{.*}}t.cpp"
; OBJ: SubSectionType: FileChecksums (0xF4)
; OBJ: SubSectionSize: 0x18
; OBJ: FileChecksum {
; OBJ: Filename: C:\src\llvm-project\build\t.cpp (0x1)
; OBJ: ChecksumSize: 0x10
; OBJ: ChecksumKind: MD5 (0x1)
; OBJ: ChecksumBytes: (8B 89 D3 B1 80 D6 A1 BC 83 E7 12 6D 5F D8 70 C3)
; OBJ: }
; OBJ-NOT: FileChecksum {
; ModuleID = '../t.cpp'
source_filename = "../t.cpp"
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc19.11.25508"
%struct.Foo = type { i8 }
@"\01?gy@@3UFoo@@A" = global %struct.Foo zeroinitializer, align 1, !dbg !0
@"\01?global@@3HA" = external global i32, align 4
@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_t.cpp, i8* null }]
; Function Attrs: noinline uwtable
define internal void @"\01??__Egy@@YAXXZ"() #0 !dbg !18 {
entry:
%call = call %struct.Foo* @"\01??0Foo@@QEAA@XZ"(%struct.Foo* @"\01?gy@@3UFoo@@A"), !dbg !21
ret void, !dbg !21
}
declare %struct.Foo* @"\01??0Foo@@QEAA@XZ"(%struct.Foo* returned) unnamed_addr #1
; Function Attrs: noinline nounwind optnone uwtable
define void @"\01?f@@YAXXZ"() #2 !dbg !22 {
entry:
%0 = load i32, i32* @"\01?global@@3HA", align 4, !dbg !23
%inc = add nsw i32 %0, 1, !dbg !23
store i32 %inc, i32* @"\01?global@@3HA", align 4, !dbg !23
%1 = load i32, i32* @"\01?global@@3HA", align 4, !dbg !24
%inc1 = add nsw i32 %1, 1, !dbg !24
store i32 %inc1, i32* @"\01?global@@3HA", align 4, !dbg !24
ret void, !dbg !25
}
; Function Attrs: noinline uwtable
define internal void @_GLOBAL__sub_I_t.cpp() #0 !dbg !26 {
entry:
call void @"\01??__Egy@@YAXXZ"(), !dbg !28
ret void
}
attributes #0 = { noinline uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!13, !14, !15, !16}
!llvm.ident = !{!17}
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "gy", linkageName: "\01?gy@@3UFoo@@A", scope: !2, file: !6, line: 3, type: !7, isLocal: false, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 6.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
!3 = !DIFile(filename: "..\5Ct.cpp", directory: "C:\5Csrc\5Cllvm-project\5Cbuild\5Ctmp", checksumkind: CSK_MD5, checksum: "8b89d3b180d6a1bc83e7126d5fd870c3")
!4 = !{}
!5 = !{!0}
!6 = !DIFile(filename: "../t.cpp", directory: "C:\5Csrc\5Cllvm-project\5Cbuild\5Ctmp", checksumkind: CSK_MD5, checksum: "8b89d3b180d6a1bc83e7126d5fd870c3")
!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !6, line: 1, size: 8, elements: !8, identifier: ".?AUFoo@@")
!8 = !{!9}
!9 = !DISubprogram(name: "Foo", scope: !7, file: !6, line: 1, type: !10, isLocal: false, isDefinition: false, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false)
!10 = !DISubroutineType(types: !11)
!11 = !{null, !12}
!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
!13 = !{i32 2, !"CodeView", i32 1}
!14 = !{i32 2, !"Debug Info Version", i32 3}
!15 = !{i32 1, !"wchar_size", i32 2}
!16 = !{i32 7, !"PIC Level", i32 2}
!17 = !{!"clang version 6.0.0 "}
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. In order to set breakpoints on labels and list source code around labels, we need collect debug information for labels, i.e., label name, the function label belong, line number in the file, and the address label located. In order to keep these information in LLVM IR and to allow backend to generate debug information correctly. We create a new kind of metadata for labels, DILabel. The format of DILabel is !DILabel(scope: !1, name: "foo", file: !2, line: 3) We hope to keep debug information as much as possible even the code is optimized. So, we create a new kind of intrinsic for label metadata to avoid the metadata is eliminated with basic block. The intrinsic will keep existing if we keep it from optimized out. The format of the intrinsic is llvm.dbg.label(metadata !1) It has only one argument, that is the DILabel metadata. The intrinsic will follow the label immediately. Backend could get the label metadata through the intrinsic's parameter. We also create DIBuilder API for labels to be used by Frontend. Frontend could use createLabel() to allocate DILabel objects, and use insertLabel() to insert llvm.dbg.label intrinsic in LLVM IR. Differential Revision: https://reviews.llvm.org/D45024 Patch by Hsiangkai Wang. llvm-svn: 331841
2018-05-09 04:40:45 +02:00
!18 = distinct !DISubprogram(name: "??__Egy@@YAXXZ", scope: !6, file: !6, line: 3, type: !19, isLocal: true, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
[codeview] Merge file checksum entries for DIFiles with the same absolute path Change the map key from DIFile* to the absolute path string. Computing the absolute path isn't expensive because we already have a map that caches the full path keyed on DIFile*. llvm-svn: 317041
2017-10-31 22:52:15 +01:00
!19 = !DISubroutineType(types: !20)
!20 = !{null}
!21 = !DILocation(line: 3, column: 5, scope: !18)
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. In order to set breakpoints on labels and list source code around labels, we need collect debug information for labels, i.e., label name, the function label belong, line number in the file, and the address label located. In order to keep these information in LLVM IR and to allow backend to generate debug information correctly. We create a new kind of metadata for labels, DILabel. The format of DILabel is !DILabel(scope: !1, name: "foo", file: !2, line: 3) We hope to keep debug information as much as possible even the code is optimized. So, we create a new kind of intrinsic for label metadata to avoid the metadata is eliminated with basic block. The intrinsic will keep existing if we keep it from optimized out. The format of the intrinsic is llvm.dbg.label(metadata !1) It has only one argument, that is the DILabel metadata. The intrinsic will follow the label immediately. Backend could get the label metadata through the intrinsic's parameter. We also create DIBuilder API for labels to be used by Frontend. Frontend could use createLabel() to allocate DILabel objects, and use insertLabel() to insert llvm.dbg.label intrinsic in LLVM IR. Differential Revision: https://reviews.llvm.org/D45024 Patch by Hsiangkai Wang. llvm-svn: 331841
2018-05-09 04:40:45 +02:00
!22 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YAXXZ", scope: !6, file: !6, line: 4, type: !19, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
[codeview] Merge file checksum entries for DIFiles with the same absolute path Change the map key from DIFile* to the absolute path string. Computing the absolute path isn't expensive because we already have a map that caches the full path keyed on DIFile*. llvm-svn: 317041
2017-10-31 22:52:15 +01:00
!23 = !DILocation(line: 5, column: 3, scope: !22)
!24 = !DILocation(line: 6, column: 3, scope: !22)
!25 = !DILocation(line: 7, column: 1, scope: !22)
[DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. In order to set breakpoints on labels and list source code around labels, we need collect debug information for labels, i.e., label name, the function label belong, line number in the file, and the address label located. In order to keep these information in LLVM IR and to allow backend to generate debug information correctly. We create a new kind of metadata for labels, DILabel. The format of DILabel is !DILabel(scope: !1, name: "foo", file: !2, line: 3) We hope to keep debug information as much as possible even the code is optimized. So, we create a new kind of intrinsic for label metadata to avoid the metadata is eliminated with basic block. The intrinsic will keep existing if we keep it from optimized out. The format of the intrinsic is llvm.dbg.label(metadata !1) It has only one argument, that is the DILabel metadata. The intrinsic will follow the label immediately. Backend could get the label metadata through the intrinsic's parameter. We also create DIBuilder API for labels to be used by Frontend. Frontend could use createLabel() to allocate DILabel objects, and use insertLabel() to insert llvm.dbg.label intrinsic in LLVM IR. Differential Revision: https://reviews.llvm.org/D45024 Patch by Hsiangkai Wang. llvm-svn: 331841
2018-05-09 04:40:45 +02:00
!26 = distinct !DISubprogram(linkageName: "_GLOBAL__sub_I_t.cpp", scope: !3, file: !3, type: !27, isLocal: true, isDefinition: true, flags: DIFlagArtificial, isOptimized: false, unit: !2, retainedNodes: !4)
[codeview] Merge file checksum entries for DIFiles with the same absolute path Change the map key from DIFile* to the absolute path string. Computing the absolute path isn't expensive because we already have a map that caches the full path keyed on DIFile*. llvm-svn: 317041
2017-10-31 22:52:15 +01:00
!27 = !DISubroutineType(types: !4)
!28 = !DILocation(line: 0, scope: !26)
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