diff options
Diffstat (limited to 'include/llvm/Target/TargetLowering.h')
-rw-r--r-- | include/llvm/Target/TargetLowering.h | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index 4350484..6b7d42e 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -1130,17 +1130,18 @@ public: /// implement this. The default implementation of this aborts. virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG); - /// ReplaceNodeResults - This callback is invoked for operations that are - /// unsupported by the target, which are registered to use 'custom' lowering, - /// and whose result type is illegal. This must return a node whose results - /// precisely match the results of the input node. This typically involves a - /// MERGE_VALUES node and/or BUILD_PAIR. + /// ReplaceNodeResults - This callback is invoked when a node result type is + /// illegal for the target, and the operation was registered to use 'custom' + /// lowering for that result type. The target places new result values for + /// the node in Results (their number and types must exactly match those of + /// the original return values of the node), or leaves Results empty, which + /// indicates that the node is not to be custom lowered after all. /// /// If the target has no operations that require custom lowering, it need not /// implement this. The default implementation aborts. - virtual SDNode *ReplaceNodeResults(SDNode *N, SelectionDAG &DAG) { + virtual void ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue> &Results, + SelectionDAG &DAG) { assert(0 && "ReplaceNodeResults not implemented for this target!"); - return 0; } /// IsEligibleForTailCallOptimization - Check whether the call is eligible for |