diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2006-01-25 09:07:50 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-01-25 09:07:50 +0000 |
| commit | 0993f1d8338ccf8552a1dbc3fb19461a5e6165d9 (patch) | |
| tree | 7ba7e33184488e68b9ad32db89d941e54f91f2e3 | |
| parent | 0d718e9afca29b047ae1c77f8c6afc1b70759e0b (diff) | |
Some minor scheduler changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25597 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/llvm/CodeGen/ScheduleDAG.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h index 3401c7d812..09ff2752ed 100644 --- a/include/llvm/CodeGen/ScheduleDAG.h +++ b/include/llvm/CodeGen/ScheduleDAG.h @@ -37,6 +37,7 @@ namespace llvm { // Scheduling heuristics enum SchedHeuristics { + defaultScheduling, // Let the target specify its preference. noScheduling, // No scheduling, emit breath first sequence. simpleScheduling, // Two pass, min. critical path, max. utilization. simpleNoItinScheduling, // Same as above exact using generic latency. @@ -51,6 +52,8 @@ namespace llvm { class NodeGroup { private: NIVector Members; // Group member nodes + NodeInfo *Top; + NodeInfo *Bottom; NodeInfo *Dominator; // Node with highest latency unsigned Latency; // Total latency of the group int Pending; // Number of visits pending before @@ -58,10 +61,12 @@ namespace llvm { public: // Ctor. - NodeGroup() : Dominator(NULL), Pending(0) {} + NodeGroup() : Top(NULL), Bottom(NULL), Dominator(NULL), Pending(0) {} // Accessors inline void setDominator(NodeInfo *D) { Dominator = D; } + inline NodeInfo *getTop() { return Top; } + inline NodeInfo *getBottom() { return Bottom; } inline NodeInfo *getDominator() { return Dominator; } inline void setLatency(unsigned L) { Latency = L; } inline unsigned getLatency() { return Latency; } @@ -94,7 +99,7 @@ namespace llvm { class NodeInfo { private: int Pending; // Number of visits pending before - // adding to order + // adding to order public: SDNode *Node; // DAG node InstrStage *StageBegin; // First stage in itinerary @@ -279,7 +284,7 @@ namespace llvm { /// isPassiveNode - Return true if the node is a non-scheduled leaf. /// - bool isPassiveNode(SDNode *Node) { + static bool isPassiveNode(SDNode *Node) { if (isa<ConstantSDNode>(Node)) return true; if (isa<RegisterSDNode>(Node)) return true; if (isa<GlobalAddressSDNode>(Node)) return true; @@ -316,7 +321,7 @@ namespace llvm { void dump(const char *tag) const; - void dump() const; + virtual void dump() const; private: /// PrepareNodeInfo - Set up the basic minimum node info for scheduling. |