diff options
| -rw-r--r-- | llvm/include/llvm/Analysis/DSGraph.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/include/llvm/Analysis/DSGraph.h b/llvm/include/llvm/Analysis/DSGraph.h index 1c108518489..803c36f5d88 100644 --- a/llvm/include/llvm/Analysis/DSGraph.h +++ b/llvm/include/llvm/Analysis/DSGraph.h @@ -54,6 +54,15 @@ public: void erase(Value *V) { erase(find(V)); } + /// replaceScalar - When an instruction needs to be modified, this method can + /// be used to update the scalar map to remove the old and insert the new. + void replaceScalar(Value *Old, Value *New) { + iterator I = find(Old); + assert(I != end() && "Old value is not in the map!"); + ValueMap.insert(std::make_pair(New, I->second)); + erase(I); + } + DSNodeHandle &operator[](Value *V) { std::pair<iterator,bool> IP = ValueMap.insert(std::make_pair(V, DSNodeHandle())); |
