67 lines
3.2 KiB
LLVM
67 lines
3.2 KiB
LLVM
; Test that coverage instrumentation does not lose debug location.
|
|
|
|
; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -S | FileCheck %s
|
|
|
|
; C++ source:
|
|
; 1: struct A {
|
|
; 2: int f();
|
|
; 3: int x;
|
|
; 4: };
|
|
; 5:
|
|
; 6: int A::f() {
|
|
; 7: return x;
|
|
; 8: }
|
|
; clang++ ../1.cc -O3 -g -S -emit-llvm -fno-strict-aliasing
|
|
; and add sanitize_address to @_ZN1A1fEv
|
|
|
|
; Test that __sanitizer_cov call has !dbg pointing to the opening { of A::f().
|
|
; CHECK: call void @__sanitizer_cov(i32*{{.*}}), !dbg [[A:!.*]]
|
|
; CHECK: [[A]] = !DILocation(line: 6, scope: !{{.*}})
|
|
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
%struct.A = type { i32 }
|
|
|
|
; Function Attrs: nounwind readonly uwtable
|
|
define i32 @_ZN1A1fEv(%struct.A* nocapture readonly %this) #0 align 2 !dbg !13 {
|
|
entry:
|
|
tail call void @llvm.dbg.value(metadata %struct.A* %this, i64 0, metadata !15, metadata !DIExpression()), !dbg !20
|
|
%x = getelementptr inbounds %struct.A, %struct.A* %this, i64 0, i32 0, !dbg !21
|
|
%0 = load i32, i32* %x, align 4, !dbg !21
|
|
ret i32 %0, !dbg !21
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
|
|
|
|
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" }
|
|
attributes #1 = { nounwind readnone }
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!17, !18}
|
|
!llvm.ident = !{!19}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (210251)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
|
|
!1 = !DIFile(filename: "../1.cc", directory: "/code/llvm/build0")
|
|
!2 = !{}
|
|
!3 = !{!4}
|
|
!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 1, size: 32, align: 32, file: !1, elements: !5, identifier: "_ZTS1A")
|
|
!5 = !{!6, !8}
|
|
!6 = !DIDerivedType(tag: DW_TAG_member, name: "x", line: 3, size: 32, align: 32, file: !1, scope: !4, baseType: !7)
|
|
!7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!8 = !DISubprogram(name: "f", linkageName: "_ZN1A1fEv", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 2, file: !1, scope: !4, type: !9)
|
|
!9 = !DISubroutineType(types: !10)
|
|
!10 = !{!7, !11}
|
|
!11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
|
|
!13 = distinct !DISubprogram(name: "f", linkageName: "_ZN1A1fEv", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 6, file: !1, scope: !4, type: !9, declaration: !8, variables: !14)
|
|
!14 = !{!15}
|
|
!15 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !13, type: !16)
|
|
!16 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !4)
|
|
!17 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!18 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!19 = !{!"clang version 3.5.0 (210251)"}
|
|
!20 = !DILocation(line: 0, scope: !13)
|
|
!21 = !DILocation(line: 7, scope: !13)
|