r274628 - Include debug info for nested structs and classes
David Blaikie via cfe-commits
cfe-commits at lists.llvm.org
Thu Jul 7 16:03:58 PDT 2016
This may cause problems for DWARF type unit consistency...
Under what conditions do nested types appear in the member list? (my simple
test case on a fresh clang didn't seem to produce anything about the nested
type: struct outer { struct inner { int i; }; int j; }; outer o; )
On Wed, Jul 6, 2016 at 7:46 AM, Adrian McCarthy via cfe-commits <
cfe-commits at lists.llvm.org> wrote:
> Author: amccarth
> Date: Wed Jul 6 09:46:42 2016
> New Revision: 274628
>
> URL: http://llvm.org/viewvc/llvm-project?rev=274628&view=rev
> Log:
> Include debug info for nested structs and classes
>
> This includes nested types in the member list, even if there are no
> members of that type. Note that structs and classes have themselves as an
> "implicit struct" as the first member, so we skip implicit ones.
>
> Differential Revision: http://reviews.llvm.org/D21705
>
> Modified:
> cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
> cfe/trunk/lib/CodeGen/CGDebugInfo.h
> cfe/trunk/test/CodeGenCXX/debug-info-dup-fwd-decl.cpp
> cfe/trunk/test/CodeGenCXX/debug-info-indirect-field-decl.cpp
> cfe/trunk/test/CodeGenCXX/debug-info-ms-abi.cpp
>
> Modified: cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDebugInfo.cpp?rev=274628&r1=274627&r2=274628&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGDebugInfo.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGDebugInfo.cpp Wed Jul 6 09:46:42 2016
> @@ -1095,6 +1095,13 @@ void CGDebugInfo::CollectRecordNormalFie
> elements.push_back(FieldType);
> }
>
> +void CGDebugInfo::CollectRecordNestedRecord(
> + const RecordDecl *RD, SmallVectorImpl<llvm::Metadata *> &elements) {
> + QualType Ty = CGM.getContext().getTypeDeclType(RD);
> + llvm::DIType *nestedType = getOrCreateType(Ty, getOrCreateMainFile());
> + elements.push_back(nestedType);
> +}
> +
> void CGDebugInfo::CollectRecordFields(
> const RecordDecl *record, llvm::DIFile *tunit,
> SmallVectorImpl<llvm::Metadata *> &elements,
> @@ -1131,6 +1138,9 @@ void CGDebugInfo::CollectRecordFields(
>
> // Bump field number for next field.
> ++fieldNo;
> + } else if (const auto *nestedRec = dyn_cast<CXXRecordDecl>(I)) {
> + if (!nestedRec->isImplicit() && nestedRec->getDeclContext() ==
> record)
> + CollectRecordNestedRecord(nestedRec, elements);
> }
> }
> }
> @@ -3633,8 +3643,8 @@ void CGDebugInfo::EmitUsingDirective(con
> if (CGM.getCodeGenOpts().getDebugInfo() <
> codegenoptions::LimitedDebugInfo)
> return;
> const NamespaceDecl *NSDecl = UD.getNominatedNamespace();
> - if (!NSDecl->isAnonymousNamespace() ||
> - CGM.getCodeGenOpts().DebugExplicitImport) {
> + if (!NSDecl->isAnonymousNamespace() ||
> + CGM.getCodeGenOpts().DebugExplicitImport) {
> DBuilder.createImportedModule(
> getCurrentContextDescriptor(cast<Decl>(UD.getDeclContext())),
> getOrCreateNameSpace(NSDecl),
>
> Modified: cfe/trunk/lib/CodeGen/CGDebugInfo.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDebugInfo.h?rev=274628&r1=274627&r2=274628&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGDebugInfo.h (original)
> +++ cfe/trunk/lib/CodeGen/CGDebugInfo.h Wed Jul 6 09:46:42 2016
> @@ -254,6 +254,8 @@ class CGDebugInfo {
> llvm::DIFile *F,
> SmallVectorImpl<llvm::Metadata *> &E,
> llvm::DIType *RecordTy, const RecordDecl
> *RD);
> + void CollectRecordNestedRecord(const RecordDecl *RD,
> + SmallVectorImpl<llvm::Metadata *> &E);
> void CollectRecordFields(const RecordDecl *Decl, llvm::DIFile *F,
> SmallVectorImpl<llvm::Metadata *> &E,
> llvm::DICompositeType *RecordTy);
>
> Modified: cfe/trunk/test/CodeGenCXX/debug-info-dup-fwd-decl.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/debug-info-dup-fwd-decl.cpp?rev=274628&r1=274627&r2=274628&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenCXX/debug-info-dup-fwd-decl.cpp (original)
> +++ cfe/trunk/test/CodeGenCXX/debug-info-dup-fwd-decl.cpp Wed Jul 6
> 09:46:42 2016
> @@ -19,6 +19,6 @@ protected:
>
> Test t;
>
> -// CHECK: !DIDerivedType(tag: DW_TAG_pointer_type
> // CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "data"
> +// CHECK: !DIDerivedType(tag: DW_TAG_pointer_type
> // CHECK-NOT: !DICompositeType(tag: DW_TAG_structure_type, name: "data"
>
> Modified: cfe/trunk/test/CodeGenCXX/debug-info-indirect-field-decl.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/debug-info-indirect-field-decl.cpp?rev=274628&r1=274627&r2=274628&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenCXX/debug-info-indirect-field-decl.cpp (original)
> +++ cfe/trunk/test/CodeGenCXX/debug-info-indirect-field-decl.cpp Wed Jul
> 6 09:46:42 2016
> @@ -8,18 +8,18 @@ template <class T, int T::*ptr> class Fo
> struct Bar {
> int i1;
> // CHECK: ![[INT:[0-9]+]] = !DIBasicType(name: "int"
> - // CHECK: !DIDerivedType(tag: DW_TAG_member, scope:
> - // CHECK-SAME: line: [[@LINE+4]]
> - // CHECK-SAME: baseType: ![[UNION:[0-9]+]]
> - // CHECK-SAME: size: 32, align: 32, offset: 32
> - // CHECK: ![[UNION]] = distinct !DICompositeType(tag:
> DW_TAG_union_type,{{.*}} identifier: "_ZTSN3BarUt_E")
> + // CHECK: ![[UNION:[0-9]+]] = distinct !DICompositeType(tag:
> DW_TAG_union_type,{{.*}} identifier: "_ZTSN3BarUt_E")
> union {
> // CHECK: !DIDerivedType(tag: DW_TAG_member, name: "i2",
> - // CHECK-SAME: line: [[@LINE+5]]
> + // CHECK-SAME: line: [[@LINE+9]]
> // CHECK-SAME: baseType: ![[INT]]
> // CHECK-SAME: size: 32, align: 32
> // CHECK-NOT: offset:
> // CHECK-SAME: ){{$}}
> + // CHECK: !DIDerivedType(tag: DW_TAG_member, scope:
> + // CHECK-SAME: line: [[@LINE-8]]
> + // CHECK-SAME: baseType: ![[UNION]]
> + // CHECK-SAME: size: 32, align: 32, offset: 32
> int i2;
> };
> };
>
> Modified: cfe/trunk/test/CodeGenCXX/debug-info-ms-abi.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/debug-info-ms-abi.cpp?rev=274628&r1=274627&r2=274628&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/CodeGenCXX/debug-info-ms-abi.cpp (original)
> +++ cfe/trunk/test/CodeGenCXX/debug-info-ms-abi.cpp Wed Jul 6 09:46:42
> 2016
> @@ -14,6 +14,9 @@ Foo::Nested n;
> // CHECK: ![[Foo:[^ ]*]] = distinct !DICompositeType(tag:
> DW_TAG_structure_type, name: "Foo",
> // CHECK-SAME: identifier: ".?AUFoo@@"
>
> +// CHECK: distinct !DICompositeType(tag: DW_TAG_structure_type, name:
> "Nested",
> +// CHECK-SAME: identifier: ".?AUNested at Foo@@"
> +
> // CHECK: !DISubprogram(name: "f",
> // CHECK-SAME: containingType: ![[Foo]], virtuality:
> DW_VIRTUALITY_virtual, virtualIndex: 0,
> // CHECK-SAME: flags: DIFlagPrototyped | DIFlagIntroducedVirtual,
> @@ -25,6 +28,3 @@ Foo::Nested n;
> // CHECK: !DISubprogram(name: "h",
> // CHECK-SAME: containingType: ![[Foo]], virtuality:
> DW_VIRTUALITY_virtual, virtualIndex: 2,
> // CHECK-SAME: flags: DIFlagPrototyped | DIFlagIntroducedVirtual,
> -
> -// CHECK: distinct !DICompositeType(tag: DW_TAG_structure_type, name:
> "Nested",
> -// CHECK-SAME: identifier: ".?AUNested at Foo@@"
>
>
> _______________________________________________
> cfe-commits mailing list
> cfe-commits at lists.llvm.org
> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20160707/a33a36fe/attachment-0001.html>
More information about the cfe-commits
mailing list