diff options
Diffstat (limited to 'include/llvm/IR/DebugInfo.h')
-rw-r--r-- | include/llvm/IR/DebugInfo.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/IR/DebugInfo.h b/include/llvm/IR/DebugInfo.h index 69beaada9c..bf3ae98381 100644 --- a/include/llvm/IR/DebugInfo.h +++ b/include/llvm/IR/DebugInfo.h @@ -197,6 +197,13 @@ typedef DIRef<DIScope> DIScopeRef; typedef DIRef<DIType> DITypeRef; /// DIScope - A base class for various scopes. +/// +/// Although, implementation-wise, DIScope is the parent class of most +/// other DIxxx classes, including DIType and its descendants, most of +/// DIScope’s descendants are not a substitutable subtype of +/// DIScope. The DIDescriptor::isScope() method only is true for +/// DIScopes that are scopes in the strict lexical scope sense +/// (DICompileUnit, DISubprogram, etc.), but not for, e.g., a DIType. class DIScope : public DIDescriptor { protected: friend class DIDescriptor; |