diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h index c7577fa..47e19f7 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h @@ -195,6 +195,11 @@ private: /// Update root to include all chains from the Pending list. SDValue updateRoot(SmallVectorImpl<SDValue> &Pending); + /// Given a node representing a floating-point operation and its specified + /// exception behavior, this either updates the root or stores the node in + /// a list to be added to chains latter. + void pushFPOpOutChain(SDValue Result, fp::ExceptionBehavior EB); + /// A unique monotonically increasing number used to order the SDNodes we /// create. unsigned SDNodeOrder; @@ -300,6 +305,13 @@ public: /// memory node that may need to be ordered after any prior load instructions. SDValue getMemoryRoot(); + /// Return the current virtual root of the Selection DAG, flushing + /// PendingConstrainedFP or PendingConstrainedFPStrict items if the new + /// exception behavior (specified by \p EB) differs from that of the pending + /// instructions. This must be done before emitting constrained FP operation + /// call. + SDValue getFPOperationRoot(fp::ExceptionBehavior EB); + /// Similar to getMemoryRoot, but also flushes PendingConstrainedFP(Strict) /// items. This must be done before emitting any call other any other node /// that may need to be ordered after FP instructions due to other side |