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1; RUN: llc < %s | FileCheck %s --check-prefix=ASM2; RUN: llc < %s -filetype=obj | llvm-readobj --codeview - | FileCheck %s --check-prefix=OBJ3 4; Test what happens when we have two DIFile entries with differing slashes.5; Make sure we only emit one file checksum entry.6 7; C++ source, compiled as:8; $ clang -S -emit-llvm -g -gcodeview ../t.cpp -o t.ll9; struct Foo { Foo(); };10; extern int global;11; Foo gy;12; void f() {13; ++global;14; ++global;15; }16; The relative path with a forward slash is important for creating TWO DIFile17; entries for the same file.18 19; ASM: .cv_file 1 "{{.*}}t.cpp" "8B89D3B180D6A1BC83E7126D5FD870C3" 120; ASM-NOT: .cv_file 1 "{{.*}}t.cpp"21 22; OBJ: SubSectionType: FileChecksums (0xF4)23; OBJ: SubSectionSize: 0x1824; OBJ: FileChecksum {25; OBJ: Filename: C:\src\llvm-project\build\t.cpp (0x1)26; OBJ: ChecksumSize: 0x1027; OBJ: ChecksumKind: MD5 (0x1)28; OBJ: ChecksumBytes: (8B 89 D3 B1 80 D6 A1 BC 83 E7 12 6D 5F D8 70 C3)29; OBJ: }30; OBJ-NOT: FileChecksum {31 32; ModuleID = '../t.cpp'33source_filename = "../t.cpp"34target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"35target triple = "x86_64-pc-windows-msvc19.11.25508"36 37%struct.Foo = type { i8 }38 39@"\01?gy@@3UFoo@@A" = global %struct.Foo zeroinitializer, align 1, !dbg !040@"\01?global@@3HA" = external global i32, align 441@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_t.cpp, ptr null }]42 43; Function Attrs: noinline uwtable44define internal void @"\01??__Egy@@YAXXZ"() #0 !dbg !18 {45entry:46 %call = call ptr @"\01??0Foo@@QEAA@XZ"(ptr @"\01?gy@@3UFoo@@A"), !dbg !2147 ret void, !dbg !2148}49 50declare ptr @"\01??0Foo@@QEAA@XZ"(ptr returned) unnamed_addr #151 52; Function Attrs: noinline nounwind optnone uwtable53define void @"\01?f@@YAXXZ"() #2 !dbg !22 {54entry:55 %0 = load i32, ptr @"\01?global@@3HA", align 4, !dbg !2356 %inc = add nsw i32 %0, 1, !dbg !2357 store i32 %inc, ptr @"\01?global@@3HA", align 4, !dbg !2358 %1 = load i32, ptr @"\01?global@@3HA", align 4, !dbg !2459 %inc1 = add nsw i32 %1, 1, !dbg !2460 store i32 %inc1, ptr @"\01?global@@3HA", align 4, !dbg !2461 ret void, !dbg !2562}63 64; Function Attrs: noinline uwtable65define internal void @_GLOBAL__sub_I_t.cpp() #0 !dbg !26 {66entry:67 call void @"\01??__Egy@@YAXXZ"(), !dbg !2868 ret void69}70 71attributes #0 = { noinline uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" "use-soft-float"="false" }72attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" "use-soft-float"="false" }73attributes #2 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "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" "use-soft-float"="false" }74 75!llvm.dbg.cu = !{!2}76!llvm.module.flags = !{!13, !14, !15, !16}77!llvm.ident = !{!17}78 79!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())80!1 = distinct !DIGlobalVariable(name: "gy", linkageName: "\01?gy@@3UFoo@@A", scope: !2, file: !6, line: 3, type: !7, isLocal: false, isDefinition: true)81!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)82!3 = !DIFile(filename: "..\5Ct.cpp", directory: "C:\5Csrc\5Cllvm-project\5Cbuild\5Ctmp", checksumkind: CSK_MD5, checksum: "8b89d3b180d6a1bc83e7126d5fd870c3")83!4 = !{}84!5 = !{!0}85!6 = !DIFile(filename: "../t.cpp", directory: "C:\5Csrc\5Cllvm-project\5Cbuild\5Ctmp", checksumkind: CSK_MD5, checksum: "8b89d3b180d6a1bc83e7126d5fd870c3")86!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Foo", file: !6, line: 1, size: 8, elements: !8, identifier: ".?AUFoo@@")87!8 = !{!9}88!9 = !DISubprogram(name: "Foo", scope: !7, file: !6, line: 1, type: !10, isLocal: false, isDefinition: false, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false)89!10 = !DISubroutineType(types: !11)90!11 = !{null, !12}91!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)92!13 = !{i32 2, !"CodeView", i32 1}93!14 = !{i32 2, !"Debug Info Version", i32 3}94!15 = !{i32 1, !"wchar_size", i32 2}95!16 = !{i32 7, !"PIC Level", i32 2}96!17 = !{!"clang version 6.0.0 "}97!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)98!19 = !DISubroutineType(types: !20)99!20 = !{null}100!21 = !DILocation(line: 3, column: 5, scope: !18)101!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)102!23 = !DILocation(line: 5, column: 3, scope: !22)103!24 = !DILocation(line: 6, column: 3, scope: !22)104!25 = !DILocation(line: 7, column: 1, scope: !22)105!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)106!27 = !DISubroutineType(types: !4)107!28 = !DILocation(line: 0, scope: !26)108