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-rw-r--r--include/llvm/CodeGen/DFAPacketizer.h37
1 files changed, 21 insertions, 16 deletions
diff --git a/include/llvm/CodeGen/DFAPacketizer.h b/include/llvm/CodeGen/DFAPacketizer.h
index 8de140e91bf37..77c37ac7abeae 100644
--- a/include/llvm/CodeGen/DFAPacketizer.h
+++ b/include/llvm/CodeGen/DFAPacketizer.h
@@ -1,4 +1,4 @@
-//=- llvm/CodeGen/DFAPacketizer.h - DFA Packetizer for VLIW ---*- C++ -*-=====//
+//===- llvm/CodeGen/DFAPacketizer.h - DFA Packetizer for VLIW ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -29,17 +29,22 @@
#include "llvm/ADT/DenseMap.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/ScheduleDAGMutation.h"
+#include <cstdint>
#include <map>
+#include <memory>
+#include <utility>
+#include <vector>
namespace llvm {
-class MCInstrDesc;
+class DefaultVLIWScheduler;
+class InstrItineraryData;
+class MachineFunction;
class MachineInstr;
class MachineLoopInfo;
-class MachineDominatorTree;
-class InstrItineraryData;
-class DefaultVLIWScheduler;
+class MCInstrDesc;
class SUnit;
+class TargetInstrInfo;
// --------------------------------------------------------------------
// Definitions shared between DFAPacketizer.cpp and DFAPacketizerEmitter.cpp
@@ -64,17 +69,18 @@ class SUnit;
#define DFA_MAX_RESTERMS 4 // The max # of AND'ed resource terms.
#define DFA_MAX_RESOURCES 16 // The max # of resource bits in one term.
-typedef uint64_t DFAInput;
-typedef int64_t DFAStateInput;
+using DFAInput = uint64_t;
+using DFAStateInput = int64_t;
+
#define DFA_TBLTYPE "int64_t" // For generating DFAStateInputTable.
// --------------------------------------------------------------------
class DFAPacketizer {
private:
- typedef std::pair<unsigned, DFAInput> UnsignPair;
+ using UnsignPair = std::pair<unsigned, DFAInput>;
const InstrItineraryData *InstrItins;
- int CurrentState;
+ int CurrentState = 0;
const DFAStateInput (*DFAStateInputTable)[2];
const unsigned *DFAStateEntryTable;
@@ -101,24 +107,23 @@ public:
// Check if the resources occupied by a MCInstrDesc are available in
// the current state.
- bool canReserveResources(const llvm::MCInstrDesc *MID);
+ bool canReserveResources(const MCInstrDesc *MID);
// Reserve the resources occupied by a MCInstrDesc and change the current
// state to reflect that change.
- void reserveResources(const llvm::MCInstrDesc *MID);
+ void reserveResources(const MCInstrDesc *MID);
// Check if the resources occupied by a machine instruction are available
// in the current state.
- bool canReserveResources(llvm::MachineInstr &MI);
+ bool canReserveResources(MachineInstr &MI);
// Reserve the resources occupied by a machine instruction and change the
// current state to reflect that change.
- void reserveResources(llvm::MachineInstr &MI);
+ void reserveResources(MachineInstr &MI);
const InstrItineraryData *getInstrItins() const { return InstrItins; }
};
-
// VLIWPacketizerList implements a simple VLIW packetizer using DFA. The
// packetizer works on machine basic blocks. For each instruction I in BB,
// the packetizer consults the DFA to see if machine resources are available
@@ -205,6 +210,6 @@ public:
void addMutation(std::unique_ptr<ScheduleDAGMutation> Mutation);
};
-} // namespace llvm
+} // end namespace llvm
-#endif
+#endif // LLVM_CODEGEN_DFAPACKETIZER_H