diff options
Diffstat (limited to 'clang/lib/CodeGen/CGDebugInfo.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGDebugInfo.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp index 7d5d2603047..13b681edc9e 100644 --- a/clang/lib/CodeGen/CGDebugInfo.cpp +++ b/clang/lib/CodeGen/CGDebugInfo.cpp @@ -2172,8 +2172,19 @@ llvm::DIType CGDebugInfo::CreateMemberType(llvm::DIFile Unit, QualType FType, } llvm::DIDescriptor CGDebugInfo::getDeclarationOrDefinition(const Decl *D) { + // We only need a declaration (not a definition) of the type - so use whatever + // we would otherwise do to get a type for a pointee. (forward declarations in + // limited debug info, full definitions (if the type definition is available) + // in unlimited debug info) if (const TypeDecl *RD = dyn_cast<TypeDecl>(D)) return CreatePointeeType(QualType(RD->getTypeForDecl(), 0), llvm::DIFile()); + // Otherwise fall back to a fairly rudimentary cache of existing declarations. + // This doesn't handle providing declarations (for functions or variables) for + // entities without definitions in this TU, nor when the definition proceeds + // the call to this function. + // FIXME: This should be split out into more specific maps with support for + // emitting forward declarations and merging definitions with declarations, + // the same way as we do for types. llvm::DenseMap<const Decl *, llvm::WeakVH>::iterator I = DeclCache.find(D->getCanonicalDecl()); if (I == DeclCache.end()) |
