summaryrefslogtreecommitdiff
path: root/test/DebugInfo/incorrect-variable-debugloc.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/DebugInfo/incorrect-variable-debugloc.ll')
-rw-r--r--test/DebugInfo/incorrect-variable-debugloc.ll391
1 files changed, 0 insertions, 391 deletions
diff --git a/test/DebugInfo/incorrect-variable-debugloc.ll b/test/DebugInfo/incorrect-variable-debugloc.ll
deleted file mode 100644
index 930f8c92cf65..000000000000
--- a/test/DebugInfo/incorrect-variable-debugloc.ll
+++ /dev/null
@@ -1,391 +0,0 @@
-; REQUIRES: object-emission
-
-; RUN: %llc_dwarf -O2 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
-
-; This is a test case that's as reduced as I can get it, though I haven't fully
-; understood the mechanisms by which this bug occurs, so perhaps there's further
-; simplification to be had (it's certainly a bit non-obvious what's going on). I
-; hesitate to hand-craft or otherwise simplify the IR compared to what Clang
-; generates as this is a particular tickling of optimizations and debug location
-; propagation I want a realistic example of.
-
-; Generated with clang-tot -cc1 -g -O2 -w -std=c++11 -fsanitize=address,use-after-return -fcxx-exceptions -fexceptions -x c++ incorrect-variable-debug-loc.cpp -emit-llvm
-
-; struct A {
-; int m_fn1();
-; };
-;
-; struct B {
-; void __attribute__((always_inline)) m_fn2() { i = 0; }
-; int i;
-; };
-;
-; struct C {
-; void m_fn3();
-; int j;
-; B b;
-; };
-;
-; int fn1() {
-; C A;
-; A.b.m_fn2();
-; A.m_fn3();
-; }
-; void C::m_fn3() {
-; A().m_fn1();
-; b.m_fn2();
-; }
-
-; CHECK: DW_TAG_structure_type
-; CHECK-NEXT: DW_AT_name {{.*}} "C"
-; CHECK: DW_TAG_subprogram
-; CHECK-NOT: DW_TAG
-; CHECK: DW_AT_name {{.*}} "m_fn3"
-
-; CHECK: DW_AT_specification {{.*}} "_ZN1C5m_fn3Ev"
-; CHECK-NOT: DW_TAG
-; CHECK: DW_TAG_formal_parameter
-; CHECK-NOT: DW_TAG
-; CHECK: DW_AT_name {{.*}} "this"
-
-%struct.C = type { i32, %struct.B }
-%struct.B = type { i32 }
-%struct.A = type { i8 }
-
-@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 1, void ()* @asan.module_ctor }]
-@__asan_option_detect_stack_use_after_return = external global i32
-@__asan_gen_ = private unnamed_addr constant [11 x i8] c"1 32 8 1 A\00", align 1
-@__asan_gen_1 = private unnamed_addr constant [13 x i8] c"1 32 1 3 tmp\00", align 1
-
-; Function Attrs: noreturn sanitize_address
-define i32 @_Z3fn1v() #0 {
-entry:
- %MyAlloca = alloca [64 x i8], align 32, !dbg !39
- %0 = ptrtoint [64 x i8]* %MyAlloca to i64, !dbg !39
- %1 = load i32, i32* @__asan_option_detect_stack_use_after_return, !dbg !39
- %2 = icmp ne i32 %1, 0, !dbg !39
- br i1 %2, label %3, label %5
-
-; <label>:3 ; preds = %entry
- %4 = call i64 @__asan_stack_malloc_0(i64 64, i64 %0), !dbg !39
- br label %5
-
-; <label>:5 ; preds = %entry, %3
- %6 = phi i64 [ %0, %entry ], [ %4, %3 ], !dbg !39
- %7 = add i64 %6, 32, !dbg !39
- %8 = inttoptr i64 %7 to %struct.C*, !dbg !39
- %9 = inttoptr i64 %6 to i64*, !dbg !39
- store i64 1102416563, i64* %9, !dbg !39
- %10 = add i64 %6, 8, !dbg !39
- %11 = inttoptr i64 %10 to i64*, !dbg !39
- store i64 ptrtoint ([11 x i8]* @__asan_gen_ to i64), i64* %11, !dbg !39
- %12 = add i64 %6, 16, !dbg !39
- %13 = inttoptr i64 %12 to i64*, !dbg !39
- store i64 ptrtoint (i32 ()* @_Z3fn1v to i64), i64* %13, !dbg !39
- %14 = lshr i64 %6, 3, !dbg !39
- %15 = add i64 %14, 2147450880, !dbg !39
- %16 = add i64 %15, 0, !dbg !39
- %17 = inttoptr i64 %16 to i64*, !dbg !39
- store i64 -868083117767659023, i64* %17, !dbg !39
- %i.i = getelementptr inbounds %struct.C, %struct.C* %8, i64 0, i32 1, i32 0, !dbg !39
- %18 = ptrtoint i32* %i.i to i64, !dbg !39
- %19 = lshr i64 %18, 3, !dbg !39
- %20 = add i64 %19, 2147450880, !dbg !39
- %21 = inttoptr i64 %20 to i8*, !dbg !39
- %22 = load i8, i8* %21, !dbg !39
- %23 = icmp ne i8 %22, 0, !dbg !39
- br i1 %23, label %24, label %30, !dbg !39
-
-; <label>:24 ; preds = %5
- %25 = and i64 %18, 7, !dbg !39
- %26 = add i64 %25, 3, !dbg !39
- %27 = trunc i64 %26 to i8, !dbg !39
- %28 = icmp sge i8 %27, %22, !dbg !39
- br i1 %28, label %29, label %30
-
-; <label>:29 ; preds = %24
- call void @__asan_report_store4(i64 %18), !dbg !39
- call void asm sideeffect "", ""()
- unreachable
-
-; <label>:30 ; preds = %24, %5
- store i32 0, i32* %i.i, align 4, !dbg !39, !tbaa !41
- tail call void @llvm.dbg.value(metadata %struct.C* %8, i64 0, metadata !27, metadata !DIExpression()), !dbg !46
- call void @_ZN1C5m_fn3Ev(%struct.C* %8), !dbg !47
- unreachable, !dbg !47
-}
-
-; Function Attrs: sanitize_address
-define void @_ZN1C5m_fn3Ev(%struct.C* nocapture %this) #1 align 2 {
-entry:
- %MyAlloca = alloca [64 x i8], align 32, !dbg !48
- %0 = ptrtoint [64 x i8]* %MyAlloca to i64, !dbg !48
- %1 = load i32, i32* @__asan_option_detect_stack_use_after_return, !dbg !48
- %2 = icmp ne i32 %1, 0, !dbg !48
- br i1 %2, label %3, label %5
-
-; <label>:3 ; preds = %entry
- %4 = call i64 @__asan_stack_malloc_0(i64 64, i64 %0), !dbg !48
- br label %5
-
-; <label>:5 ; preds = %entry, %3
- %6 = phi i64 [ %0, %entry ], [ %4, %3 ], !dbg !48
- %7 = add i64 %6, 32, !dbg !48
- %8 = inttoptr i64 %7 to %struct.A*, !dbg !48
- %9 = inttoptr i64 %6 to i64*, !dbg !48
- store i64 1102416563, i64* %9, !dbg !48
- %10 = add i64 %6, 8, !dbg !48
- %11 = inttoptr i64 %10 to i64*, !dbg !48
- store i64 ptrtoint ([13 x i8]* @__asan_gen_1 to i64), i64* %11, !dbg !48
- %12 = add i64 %6, 16, !dbg !48
- %13 = inttoptr i64 %12 to i64*, !dbg !48
- store i64 ptrtoint (void (%struct.C*)* @_ZN1C5m_fn3Ev to i64), i64* %13, !dbg !48
- %14 = lshr i64 %6, 3, !dbg !48
- %15 = add i64 %14, 2147450880, !dbg !48
- %16 = add i64 %15, 0, !dbg !48
- %17 = inttoptr i64 %16 to i64*, !dbg !48
- store i64 -868083113472691727, i64* %17, !dbg !48
- tail call void @llvm.dbg.value(metadata %struct.C* %this, i64 0, metadata !30, metadata !DIExpression()), !dbg !48
- %call = call i32 @_ZN1A5m_fn1Ev(%struct.A* %8), !dbg !49
- %i.i = getelementptr inbounds %struct.C, %struct.C* %this, i64 0, i32 1, i32 0, !dbg !50
- %18 = ptrtoint i32* %i.i to i64, !dbg !50
- %19 = lshr i64 %18, 3, !dbg !50
- %20 = add i64 %19, 2147450880, !dbg !50
- %21 = inttoptr i64 %20 to i8*, !dbg !50
- %22 = load i8, i8* %21, !dbg !50
- %23 = icmp ne i8 %22, 0, !dbg !50
- br i1 %23, label %24, label %30, !dbg !50
-
-; <label>:24 ; preds = %5
- %25 = and i64 %18, 7, !dbg !50
- %26 = add i64 %25, 3, !dbg !50
- %27 = trunc i64 %26 to i8, !dbg !50
- %28 = icmp sge i8 %27, %22, !dbg !50
- br i1 %28, label %29, label %30
-
-; <label>:29 ; preds = %24
- call void @__asan_report_store4(i64 %18), !dbg !50
- call void asm sideeffect "", ""()
- unreachable
-
-; <label>:30 ; preds = %24, %5
- store i32 0, i32* %i.i, align 4, !dbg !50, !tbaa !41
- store i64 1172321806, i64* %9, !dbg !52
- %31 = icmp ne i64 %6, %0, !dbg !52
- br i1 %31, label %32, label %39, !dbg !52
-
-; <label>:32 ; preds = %30
- %33 = add i64 %15, 0, !dbg !52
- %34 = inttoptr i64 %33 to i64*, !dbg !52
- store i64 -723401728380766731, i64* %34, !dbg !52
- %35 = add i64 %6, 56, !dbg !52
- %36 = inttoptr i64 %35 to i64*, !dbg !52
- %37 = load i64, i64* %36, !dbg !52
- %38 = inttoptr i64 %37 to i8*, !dbg !52
- store i8 0, i8* %38, !dbg !52
- br label %42, !dbg !52
-
-; <label>:39 ; preds = %30
- %40 = add i64 %15, 0, !dbg !52
- %41 = inttoptr i64 %40 to i64*, !dbg !52
- store i64 0, i64* %41, !dbg !52
- br label %42, !dbg !52
-
-; <label>:42 ; preds = %39, %32
- ret void, !dbg !52
-}
-
-declare i32 @_ZN1A5m_fn1Ev(%struct.A*) #2
-
-; Function Attrs: nounwind readnone
-declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #3
-
-define internal void @asan.module_ctor() {
- tail call void @__asan_init_v3()
- ret void
-}
-
-declare void @__asan_init_v3()
-
-declare void @__asan_report_load1(i64)
-
-declare void @__asan_load1(i64)
-
-declare void @__asan_report_load2(i64)
-
-declare void @__asan_load2(i64)
-
-declare void @__asan_report_load4(i64)
-
-declare void @__asan_load4(i64)
-
-declare void @__asan_report_load8(i64)
-
-declare void @__asan_load8(i64)
-
-declare void @__asan_report_load16(i64)
-
-declare void @__asan_load16(i64)
-
-declare void @__asan_report_store1(i64)
-
-declare void @__asan_store1(i64)
-
-declare void @__asan_report_store2(i64)
-
-declare void @__asan_store2(i64)
-
-declare void @__asan_report_store4(i64)
-
-declare void @__asan_store4(i64)
-
-declare void @__asan_report_store8(i64)
-
-declare void @__asan_store8(i64)
-
-declare void @__asan_report_store16(i64)
-
-declare void @__asan_store16(i64)
-
-declare void @__asan_report_load_n(i64, i64)
-
-declare void @__asan_report_store_n(i64, i64)
-
-declare void @__asan_loadN(i64, i64)
-
-declare void @__asan_storeN(i64, i64)
-
-declare i8* @__asan_memmove(i8*, i8*, i64)
-
-declare i8* @__asan_memcpy(i8*, i8*, i64)
-
-declare i8* @__asan_memset(i8*, i32, i64)
-
-declare void @__asan_handle_no_return()
-
-declare void @__sanitizer_cov()
-
-declare void @__sanitizer_ptr_cmp(i64, i64)
-
-declare void @__sanitizer_ptr_sub(i64, i64)
-
-declare i64 @__asan_stack_malloc_0(i64, i64)
-
-declare void @__asan_stack_free_0(i64, i64, i64)
-
-declare i64 @__asan_stack_malloc_1(i64, i64)
-
-declare void @__asan_stack_free_1(i64, i64, i64)
-
-declare i64 @__asan_stack_malloc_2(i64, i64)
-
-declare void @__asan_stack_free_2(i64, i64, i64)
-
-declare i64 @__asan_stack_malloc_3(i64, i64)
-
-declare void @__asan_stack_free_3(i64, i64, i64)
-
-declare i64 @__asan_stack_malloc_4(i64, i64)
-
-declare void @__asan_stack_free_4(i64, i64, i64)
-
-declare i64 @__asan_stack_malloc_5(i64, i64)
-
-declare void @__asan_stack_free_5(i64, i64, i64)
-
-declare i64 @__asan_stack_malloc_6(i64, i64)
-
-declare void @__asan_stack_free_6(i64, i64, i64)
-
-declare i64 @__asan_stack_malloc_7(i64, i64)
-
-declare void @__asan_stack_free_7(i64, i64, i64)
-
-declare i64 @__asan_stack_malloc_8(i64, i64)
-
-declare void @__asan_stack_free_8(i64, i64, i64)
-
-declare i64 @__asan_stack_malloc_9(i64, i64)
-
-declare void @__asan_stack_free_9(i64, i64, i64)
-
-declare i64 @__asan_stack_malloc_10(i64, i64)
-
-declare void @__asan_stack_free_10(i64, i64, i64)
-
-declare void @__asan_poison_stack_memory(i64, i64)
-
-declare void @__asan_unpoison_stack_memory(i64, i64)
-
-declare void @__asan_before_dynamic_init(i64)
-
-declare void @__asan_after_dynamic_init()
-
-declare void @__asan_register_globals(i64, i64)
-
-declare void @__asan_unregister_globals(i64, i64)
-
-declare void @__sanitizer_cov_module_init(i64)
-
-attributes #0 = { noreturn sanitize_address "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #1 = { sanitize_address "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #3 = { nounwind readnone }
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!36, !37}
-!llvm.ident = !{!38}
-
-!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !21, globals: !2, imports: !2)
-!1 = !DIFile(filename: "<stdin>", directory: "/tmp/dbginfo")
-!2 = !{}
-!3 = !{!4, !14}
-!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "C", line: 10, size: 64, align: 32, file: !5, elements: !6, identifier: "_ZTS1C")
-!5 = !DIFile(filename: "incorrect-variable-debug-loc.cpp", directory: "/tmp/dbginfo")
-!6 = !{!7, !9, !10}
-!7 = !DIDerivedType(tag: DW_TAG_member, name: "j", line: 12, size: 32, align: 32, file: !5, scope: !"_ZTS1C", baseType: !8)
-!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
-!9 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 13, size: 32, align: 32, offset: 32, file: !5, scope: !"_ZTS1C", baseType: !"_ZTS1B")
-!10 = !DISubprogram(name: "m_fn3", linkageName: "_ZN1C5m_fn3Ev", line: 11, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 11, file: !5, scope: !"_ZTS1C", type: !11)
-!11 = !DISubroutineType(types: !12)
-!12 = !{null, !13}
-!13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1C")
-!14 = !DICompositeType(tag: DW_TAG_structure_type, name: "B", line: 5, size: 32, align: 32, file: !5, elements: !15, identifier: "_ZTS1B")
-!15 = !{!16, !17}
-!16 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 7, size: 32, align: 32, file: !5, scope: !"_ZTS1B", baseType: !8)
-!17 = !DISubprogram(name: "m_fn2", linkageName: "_ZN1B5m_fn2Ev", line: 6, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !5, scope: !"_ZTS1B", type: !18)
-!18 = !DISubroutineType(types: !19)
-!19 = !{null, !20}
-!20 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1B")
-!21 = !{!22, !28, !32}
-!22 = !DISubprogram(name: "fn1", linkageName: "_Z3fn1v", line: 16, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 16, file: !5, scope: !23, type: !24, function: i32 ()* @_Z3fn1v, variables: !26)
-!23 = !DIFile(filename: "incorrect-variable-debug-loc.cpp", directory: "/tmp/dbginfo")
-!24 = !DISubroutineType(types: !25)
-!25 = !{!8}
-!26 = !{!27}
-!27 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "A", line: 17, scope: !22, file: !23, type: !"_ZTS1C")
-!28 = !DISubprogram(name: "m_fn3", linkageName: "_ZN1C5m_fn3Ev", line: 21, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 21, file: !5, scope: !"_ZTS1C", type: !11, function: void (%struct.C*)* @_ZN1C5m_fn3Ev, declaration: !10, variables: !29)
-!29 = !{!30}
-!30 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !28, type: !31)
-!31 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1C")
-!32 = !DISubprogram(name: "m_fn2", linkageName: "_ZN1B5m_fn2Ev", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !5, scope: !"_ZTS1B", type: !18, declaration: !17, variables: !33)
-!33 = !{!34}
-!34 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !32, type: !35)
-!35 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1B")
-!36 = !{i32 2, !"Dwarf Version", i32 4}
-!37 = !{i32 2, !"Debug Info Version", i32 3}
-!38 = !{!"clang version 3.5.0 "}
-!39 = !DILocation(line: 6, scope: !32, inlinedAt: !40)
-!40 = !DILocation(line: 18, scope: !22)
-!41 = !{!42, !43, i64 0}
-!42 = !{!"_ZTS1B", !43, i64 0}
-!43 = !{!"int", !44, i64 0}
-!44 = !{!"omnipotent char", !45, i64 0}
-!45 = !{!"Simple C/C++ TBAA"}
-!46 = !DILocation(line: 17, scope: !22)
-!47 = !DILocation(line: 19, scope: !22)
-!48 = !DILocation(line: 0, scope: !28)
-!49 = !DILocation(line: 22, scope: !28)
-!50 = !DILocation(line: 6, scope: !32, inlinedAt: !51)
-!51 = !DILocation(line: 23, scope: !28)
-!52 = !DILocation(line: 24, scope: !28)
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-10 02:28:38 +0000