diff options
Diffstat (limited to 'llvm/lib/IR/DebugInfoMetadata.cpp')
| -rw-r--r-- | llvm/lib/IR/DebugInfoMetadata.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/llvm/lib/IR/DebugInfoMetadata.cpp b/llvm/lib/IR/DebugInfoMetadata.cpp index 9daf7857ba6..66dcc8e8055 100644 --- a/llvm/lib/IR/DebugInfoMetadata.cpp +++ b/llvm/lib/IR/DebugInfoMetadata.cpp @@ -71,6 +71,13 @@ MDLocation *MDLocation::getImpl(LLVMContext &Context, unsigned Line, Storage, Context.pImpl->MDLocations); } +/// \brief Get the MDString, or nullptr if the string is empty. +static MDString *getCanonicalMDString(LLVMContext &Context, StringRef S) { + if (S.empty()) + return nullptr; + return MDString::get(Context, S); +} + GenericDebugNode *GenericDebugNode::getImpl(LLVMContext &Context, unsigned Tag, StringRef Header, ArrayRef<Metadata *> DwarfOps, @@ -89,8 +96,7 @@ GenericDebugNode *GenericDebugNode::getImpl(LLVMContext &Context, unsigned Tag, } // Use a nullptr for empty headers. - Metadata *PreOps[] = {Header.empty() ? nullptr - : MDString::get(Context, Header)}; + Metadata *PreOps[] = {getCanonicalMDString(Context, Header)}; return storeImpl(new (DwarfOps.size() + 1) GenericDebugNode( Context, Storage, Hash, Tag, PreOps, DwarfOps), Storage, Context.pImpl->GenericDebugNodes); |
