diff options
| -rw-r--r-- | llvm/include/llvm/IR/DIBuilder.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/include/llvm/IR/DIBuilder.h b/llvm/include/llvm/IR/DIBuilder.h index eb5cdd60427..ac82947741c 100644 --- a/llvm/include/llvm/IR/DIBuilder.h +++ b/llvm/include/llvm/IR/DIBuilder.h @@ -701,6 +701,23 @@ namespace llvm { /// resolve cycles. void replaceArrays(DICompositeType &T, DIArray Elements, DIArray TParems = DIArray()); + + /// \brief Replace a temporary node. + /// + /// Call \a MDNode::replaceAllUsesWith() on \c N, replacing it with \c + /// Replacement. + /// + /// If \c Replacement is the same as \c N.get(), instead call \a + /// MDNode::replaceWithUniqued(). In this case, the uniqued node could + /// have a different address, so we return the final address. + template <class NodeTy> + NodeTy *replaceTemporary(TempMDNode &&N, NodeTy *Replacement) { + if (N.get() == Replacement) + return cast<NodeTy>(MDNode::replaceWithUniqued(std::move(N))); + + N->replaceAllUsesWith(Replacement); + return Replacement; + } }; } // end namespace llvm |
