R600/SI: Improve AsmParser support for forced e64 encoding

[oota-llvm.git] / lib / Target / R600 / R600MachineScheduler.h

diff --git a/lib/Target/R600/R600MachineScheduler.h b/lib/Target/R600/R600MachineScheduler.h
index d74ff1e0767565d3f26473c5ab86910c180ba223..fc5b95c28e715bbb889675499fa4d3cadcf50f3b 100644 (file)
--- a/lib/Target/R600/R600MachineScheduler.h
+++ b/lib/Target/R600/R600MachineScheduler.h
@@ -12,38 +12,25 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef R600MACHINESCHEDULER_H_
-#define R600MACHINESCHEDULER_H_
+#ifndef LLVM_LIB_TARGET_R600_R600MACHINESCHEDULER_H
+#define LLVM_LIB_TARGET_R600_R600MACHINESCHEDULER_H
 
 #include "R600InstrInfo.h"
+#include "llvm/ADT/PriorityQueue.h"
 #include "llvm/CodeGen/MachineScheduler.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/ADT/PriorityQueue.h"
 
 using namespace llvm;
 
 namespace llvm {
 
-class CompareSUnit {
-public:
-  bool operator()(const SUnit *S1, const SUnit *S2) {
-    return S1->getDepth() > S2->getDepth();
-  }
-};
-
 class R600SchedStrategy : public MachineSchedStrategy {
 
-  const ScheduleDAGMI *DAG;
+  const ScheduleDAGMILive *DAG;
   const R600InstrInfo *TII;
   const R600RegisterInfo *TRI;
   MachineRegisterInfo *MRI;
 
-  enum InstQueue {
-    QAlu = 1,
-    QFetch = 2,
-    QOther = 4
-  };
-
   enum InstKind {
     IDAlu,
     IDFetch,
@@ -58,62 +45,57 @@ class R600SchedStrategy : public MachineSchedStrategy {
     AluT_Z,
     AluT_W,
     AluT_XYZW,
+    AluPredX,
+    AluTrans,
     AluDiscarded, // LLVM Instructions that are going to be eliminated
     AluLast
   };
 
-  ReadyQueue *Available[IDLast], *Pending[IDLast];
-  std::multiset<SUnit *, CompareSUnit> AvailableAlus[AluLast];
+  std::vector<SUnit *> Available[IDLast], Pending[IDLast];
+  std::vector<SUnit *> AvailableAlus[AluLast];
+  std::vector<SUnit *> PhysicalRegCopy;
 
   InstKind CurInstKind;
   int CurEmitted;
   InstKind NextInstKind;
 
+  unsigned AluInstCount;
+  unsigned FetchInstCount;
+
   int InstKindLimit[IDLast];
 
   int OccupedSlotsMask;
 
 public:
   R600SchedStrategy() :
-    DAG(0), TII(0), TRI(0), MRI(0) {
-    Available[IDAlu] = new ReadyQueue(QAlu, "AAlu");
-    Available[IDFetch] = new ReadyQueue(QFetch, "AFetch");
-    Available[IDOther] = new ReadyQueue(QOther, "AOther");
-    Pending[IDAlu] = new ReadyQueue(QAlu<<4, "PAlu");
-    Pending[IDFetch] = new ReadyQueue(QFetch<<4, "PFetch");
-    Pending[IDOther] = new ReadyQueue(QOther<<4, "POther");
+    DAG(nullptr), TII(nullptr), TRI(nullptr), MRI(nullptr) {
   }
 
-  virtual ~R600SchedStrategy() {
-    for (unsigned I = 0; I < IDLast; ++I) {
-      delete Available[I];
-      delete Pending[I];
-    }
-  }
+  virtual ~R600SchedStrategy() {}
 
-  virtual void initialize(ScheduleDAGMI *dag);
-  virtual SUnit *pickNode(bool &IsTopNode);
-  virtual void schedNode(SUnit *SU, bool IsTopNode);
-  virtual void releaseTopNode(SUnit *SU);
-  virtual void releaseBottomNode(SUnit *SU);
+  void initialize(ScheduleDAGMI *dag) override;
+  SUnit *pickNode(bool &IsTopNode) override;
+  void schedNode(SUnit *SU, bool IsTopNode) override;
+  void releaseTopNode(SUnit *SU) override;
+  void releaseBottomNode(SUnit *SU) override;
 
 private:
-  SUnit *InstructionsGroupCandidate[4];
+  std::vector<MachineInstr *> InstructionsGroupCandidate;
+  bool VLIW5;
 
   int getInstKind(SUnit *SU);
   bool regBelongsToClass(unsigned Reg, const TargetRegisterClass *RC) const;
   AluKind getAluKind(SUnit *SU) const;
   void LoadAlu();
-  bool isAvailablesAluEmpty() const;
-  SUnit *AttemptFillSlot (unsigned Slot);
+  unsigned AvailablesAluCount() const;
+  SUnit *AttemptFillSlot (unsigned Slot, bool AnyAlu);
   void PrepareNextSlot();
-  SUnit *PopInst(std::multiset<SUnit *, CompareSUnit> &Q);
+  SUnit *PopInst(std::vector<SUnit*> &Q, bool AnyALU);
 
   void AssignSlot(MachineInstr *MI, unsigned Slot);
   SUnit* pickAlu();
   SUnit* pickOther(int QID);
-  bool isBundleable(const MachineInstr& MI);
-  void MoveUnits(ReadyQueue *QSrc, ReadyQueue *QDst);
+  void MoveUnits(std::vector<SUnit *> &QSrc, std::vector<SUnit *> &QDst);
 };
 
 } // namespace llvm