diff options
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAG.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h index d7802d3..f93b620 100644 --- a/include/llvm/CodeGen/SelectionDAG.h +++ b/include/llvm/CodeGen/SelectionDAG.h @@ -680,6 +680,11 @@ public: /// informed about nodes that are deleted and modified due to recursive /// changes in the dag. /// + /// These functions only replace all existing uses. It's possible that as + /// these replacements are being performed, CSE may cause the From node + /// to be given new uses. These new uses of From are left in place, and + /// not automatically transfered to To. + /// void ReplaceAllUsesWith(SDValue From, SDValue Op, DAGUpdateListener *UpdateListener = 0); void ReplaceAllUsesWith(SDNode *From, SDNode *To, |