diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h')
| -rw-r--r-- | contrib/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/contrib/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h b/contrib/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h index 9c27b2e..75940ec 100644 --- a/contrib/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h +++ b/contrib/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h @@ -35,17 +35,20 @@ namespace llvm { /// class ScheduleDAGSDNodes : public ScheduleDAG { public: + MachineBasicBlock *BB; SelectionDAG *DAG; // DAG of the current basic block const InstrItineraryData *InstrItins; + /// The schedule. Null SUnit*'s represent noop instructions. + std::vector<SUnit*> Sequence; + explicit ScheduleDAGSDNodes(MachineFunction &mf); virtual ~ScheduleDAGSDNodes() {} /// Run - perform scheduling. /// - void Run(SelectionDAG *dag, MachineBasicBlock *bb, - MachineBasicBlock::iterator insertPos); + void Run(SelectionDAG *dag, MachineBasicBlock *bb); /// isPassiveNode - Return true if the node is a non-scheduled leaf. /// @@ -53,6 +56,7 @@ namespace llvm { if (isa<ConstantSDNode>(Node)) return true; if (isa<ConstantFPSDNode>(Node)) return true; if (isa<RegisterSDNode>(Node)) return true; + if (isa<RegisterMaskSDNode>(Node)) return true; if (isa<GlobalAddressSDNode>(Node)) return true; if (isa<BasicBlockSDNode>(Node)) return true; if (isa<FrameIndexSDNode>(Node)) return true; @@ -67,7 +71,7 @@ namespace llvm { /// NewSUnit - Creates a new SUnit and return a ptr to it. /// - SUnit *NewSUnit(SDNode *N); + SUnit *newSUnit(SDNode *N); /// Clone - Creates a clone of the specified SUnit. It does not copy the /// predecessors / successors info nor the temporary scheduling states. @@ -78,7 +82,7 @@ namespace llvm { /// are input. This SUnit graph is similar to the SelectionDAG, but /// excludes nodes that aren't interesting to scheduling, and represents /// flagged together nodes with a single SUnit. - virtual void BuildSchedGraph(AliasAnalysis *AA); + void BuildSchedGraph(AliasAnalysis *AA); /// InitVRegCycleFlag - Set isVRegCycle if this node's single use is /// CopyToReg and its only active data operands are CopyFromReg within a @@ -90,30 +94,41 @@ namespace llvm { /// void InitNumRegDefsLeft(SUnit *SU); - /// ComputeLatency - Compute node latency. + /// computeLatency - Compute node latency. /// - virtual void ComputeLatency(SUnit *SU); + virtual void computeLatency(SUnit *SU); - /// ComputeOperandLatency - Override dependence edge latency using + /// computeOperandLatency - Override dependence edge latency using /// operand use/def information /// - virtual void ComputeOperandLatency(SUnit *Def, SUnit *Use, + virtual void computeOperandLatency(SUnit *Def, SUnit *Use, SDep& dep) const { } - virtual void ComputeOperandLatency(SDNode *Def, SDNode *Use, + virtual void computeOperandLatency(SDNode *Def, SDNode *Use, unsigned OpIdx, SDep& dep) const; - virtual MachineBasicBlock *EmitSchedule(); - /// Schedule - Order nodes according to selected style, filling /// in the Sequence member. /// virtual void Schedule() = 0; + /// VerifyScheduledSequence - Verify that all SUnits are scheduled and + /// consistent with the Sequence of scheduled instructions. + void VerifyScheduledSequence(bool isBottomUp); + + /// EmitSchedule - Insert MachineInstrs into the MachineBasicBlock + /// according to the order specified in Sequence. + /// + MachineBasicBlock *EmitSchedule(MachineBasicBlock::iterator &InsertPos); + virtual void dumpNode(const SUnit *SU) const; + void dumpSchedule() const; + virtual std::string getGraphNodeLabel(const SUnit *SU) const; + virtual std::string getDAGName() const; + virtual void getCustomGraphFeatures(GraphWriter<ScheduleDAG*> &GW) const; /// RegDefIter - In place iteration over the values defined by an @@ -159,6 +174,9 @@ namespace llvm { /// BuildSchedUnits, AddSchedEdges - Helper functions for BuildSchedGraph. void BuildSchedUnits(); void AddSchedEdges(); + + void EmitPhysRegCopy(SUnit *SU, DenseMap<SUnit*, unsigned> &VRBaseMap, + MachineBasicBlock::iterator InsertPos); }; } |
