//===----------------------------------------------------------------------===//
#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/MC/MCAsmInfo.h"
#include "llvm/Target/TargetInstrItineraries.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/CodeGen/SelectionDAGNodes.h"
+#include "llvm/MC/MCAsmInfo.h"
#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
unsigned
TargetInstrInfo::getNumMicroOps(const MachineInstr *MI,
- const InstrItineraryData &ItinData) const {
- if (ItinData.isEmpty())
+ const InstrItineraryData *ItinData) const {
+ if (!ItinData || ItinData->isEmpty())
return 1;
unsigned Class = MI->getDesc().getSchedClass();
- unsigned UOps = ItinData.Itineratries[Class].NumMicroOps;
+ unsigned UOps = ItinData->Itineraries[Class].NumMicroOps;
if (UOps)
return UOps;
return 1;
}
+int
+TargetInstrInfo::getOperandLatency(const InstrItineraryData *ItinData,
+ const MachineInstr *DefMI, unsigned DefIdx,
+ const MachineInstr *UseMI, unsigned UseIdx) const {
+ if (!ItinData || ItinData->isEmpty())
+ return -1;
+
+ unsigned DefClass = DefMI->getDesc().getSchedClass();
+ unsigned UseClass = UseMI->getDesc().getSchedClass();
+ return ItinData->getOperandLatency(DefClass, DefIdx, UseClass, UseIdx);
+}
+
+int
+TargetInstrInfo::getOperandLatency(const InstrItineraryData *ItinData,
+ SDNode *DefNode, unsigned DefIdx,
+ SDNode *UseNode, unsigned UseIdx) const {
+ if (!ItinData || ItinData->isEmpty())
+ return -1;
+
+ if (!DefNode->isMachineOpcode())
+ return -1;
+
+ unsigned DefClass = get(DefNode->getMachineOpcode()).getSchedClass();
+ if (!UseNode->isMachineOpcode())
+ return ItinData->getOperandCycle(DefClass, DefIdx);
+ unsigned UseClass = get(UseNode->getMachineOpcode()).getSchedClass();
+ return ItinData->getOperandLatency(DefClass, DefIdx, UseClass, UseIdx);
+}
+
+
/// insertNoop - Insert a noop into the instruction stream at the specified
/// point.
void TargetInstrInfo::insertNoop(MachineBasicBlock &MBB,