1 ; RUN: llc < %s | FileCheck %s --check-prefix=ASM 2 ; RUN: llc < %s -filetype=obj | llvm-readobj -codeview | FileCheck %s --check-prefix=OBJ 3 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.ll 9 ; 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 DIFile 17 ; entries for the same file. 18 19 ; ASM: .cv_file 1 "{{.*}}t.cpp" "8B89D3B180D6A1BC83E7126D5FD870C3" 1 20 ; ASM-NOT: .cv_file 1 "{{.*}}t.cpp" 21 22 ; OBJ: SubSectionType: FileChecksums (0xF4) 23 ; OBJ: SubSectionSize: 0x18 24 ; OBJ: FileChecksum { 25 ; OBJ: Filename: C:\src\llvm-project\build\t.cpp (0x1) 26 ; OBJ: ChecksumSize: 0x10 27 ; 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' 33 source_filename = "../t.cpp" 34 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" 35 target 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 !0 40 @"\01?global@@3HA" = external global i32, align 4 41 @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_t.cpp, i8* null }] 42 43 ; Function Attrs: noinline uwtable 44 define internal void @"\01??__Egy@@YAXXZ"() #0 !dbg !18 { 45 entry: 46 %call = call %struct.Foo* @"\01??0Foo@@QEAA@XZ"(%struct.Foo* @"\01?gy@@3UFoo@@A"), !dbg !21 47 ret void, !dbg !21 48 } 49 50 declare %struct.Foo* @"\01??0Foo@@QEAA@XZ"(%struct.Foo* returned) unnamed_addr #1 51 52 ; Function Attrs: noinline nounwind optnone uwtable 53 define void @"\01?f@@YAXXZ"() #2 !dbg !22 { 54 entry: 55 %0 = load i32, i32* @"\01?global@@3HA", align 4, !dbg !23 56 %inc = add nsw i32 %0, 1, !dbg !23 57 store i32 %inc, i32* @"\01?global@@3HA", align 4, !dbg !23 58 %1 = load i32, i32* @"\01?global@@3HA", align 4, !dbg !24 59 %inc1 = add nsw i32 %1, 1, !dbg !24 60 store i32 %inc1, i32* @"\01?global@@3HA", align 4, !dbg !24 61 ret void, !dbg !25 62 } 63 64 ; Function Attrs: noinline uwtable 65 define internal void @_GLOBAL__sub_I_t.cpp() #0 !dbg !26 { 66 entry: 67 call void @"\01??__Egy@@YAXXZ"(), !dbg !28 68 ret void 69 } 70 71 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" } 72 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" } 73 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" } 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
