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09b5c9c24d
Finish off PR23080 by renaming the debug info IR constructs from `MD*` to `DI*`. The last of the `DIDescriptor` classes were deleted in r235356, and the last of the related typedefs removed in r235413, so this has all baked for about a week. Note: If you have out-of-tree code (like a frontend), I recommend that you get everything compiling and tests passing with the *previous* commit before updating to this one. It'll be easier to keep track of what code is using the `DIDescriptor` hierarchy and what you've already updated, and I think you're extremely unlikely to insert bugs. YMMV of course. Back to *this* commit: I did this using the rename-md-di-nodes.sh upgrade script I've attached to PR23080 (both code and testcases) and filtered through clang-format-diff.py. I edited the tests for test/Assembler/invalid-generic-debug-node-*.ll by hand since the columns were off-by-three. It should work on your out-of-tree testcases (and code, if you've followed the advice in the previous paragraph). Some of the tests are in badly named files now (e.g., test/Assembler/invalid-mdcompositetype-missing-tag.ll should be 'dicompositetype'); I'll come back and move the files in a follow-up commit. llvm-svn: 236120
68 lines
3.3 KiB
LLVM
68 lines
3.3 KiB
LLVM
; Test that coverage instrumentation does not lose debug location.
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; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -S | FileCheck %s
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; C++ source:
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; 1: struct A {
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; 2: int f();
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; 3: int x;
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; 4: };
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; 5:
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; 6: int A::f() {
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; 7: return x;
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; 8: }
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; clang++ ../1.cc -O3 -g -S -emit-llvm -fno-strict-aliasing
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; and add sanitize_address to @_ZN1A1fEv
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; Test that __sanitizer_cov call has !dbg pointing to the opening { of A::f().
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; CHECK: call void @__sanitizer_cov(i32*{{.*}}), !dbg [[A:!.*]]
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; CHECK: [[A]] = !DILocation(line: 6, scope: !{{.*}})
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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%struct.A = type { i32 }
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; Function Attrs: nounwind readonly uwtable
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define i32 @_ZN1A1fEv(%struct.A* nocapture readonly %this) #0 align 2 {
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entry:
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tail call void @llvm.dbg.value(metadata %struct.A* %this, i64 0, metadata !15, metadata !DIExpression()), !dbg !20
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%x = getelementptr inbounds %struct.A, %struct.A* %this, i64 0, i32 0, !dbg !21
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%0 = load i32, i32* %x, align 4, !dbg !21
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ret i32 %0, !dbg !21
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { sanitize_address nounwind readonly uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!17, !18}
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!llvm.ident = !{!19}
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!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (210251)", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !12, globals: !2, imports: !2)
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!1 = !DIFile(filename: "../1.cc", directory: "/code/llvm/build0")
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!2 = !{}
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!3 = !{!4}
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!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 1, size: 32, align: 32, file: !1, elements: !5, identifier: "_ZTS1A")
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!5 = !{!6, !8}
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!6 = !DIDerivedType(tag: DW_TAG_member, name: "x", line: 3, size: 32, align: 32, file: !1, scope: !"_ZTS1A", baseType: !7)
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!7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!8 = !DISubprogram(name: "f", linkageName: "_ZN1A1fEv", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 2, file: !1, scope: !"_ZTS1A", type: !9)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!7, !11}
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!11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1A")
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!12 = !{!13}
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!13 = !DISubprogram(name: "f", linkageName: "_ZN1A1fEv", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !1, scope: !"_ZTS1A", type: !9, function: i32 (%struct.A*)* @_ZN1A1fEv, declaration: !8, variables: !14)
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!14 = !{!15}
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!15 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !13, type: !16)
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!16 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1A")
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!17 = !{i32 2, !"Dwarf Version", i32 4}
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!18 = !{i32 2, !"Debug Info Version", i32 3}
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!19 = !{!"clang version 3.5.0 (210251)"}
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!20 = !DILocation(line: 0, scope: !13)
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!21 = !DILocation(line: 7, scope: !13)
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