// prune the dependence.
//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "packets"
#include "llvm/CodeGen/DFAPacketizer.h"
#include "Hexagon.h"
#include "HexagonMachineFunctionInfo.h"
using namespace llvm;
+#define DEBUG_TYPE "packets"
+
static cl::opt<bool> PacketizeVolatiles("hexagon-packetize-volatiles",
cl::ZeroOrMore, cl::Hidden, cl::init(true),
cl::desc("Allow non-solo packetization of volatile memory references"));
initializeHexagonPacketizerPass(*PassRegistry::getPassRegistry());
}
- void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesCFG();
AU.addRequired<MachineDominatorTree>();
AU.addRequired<MachineBranchProbabilityInfo>();
MachineFunctionPass::getAnalysisUsage(AU);
}
- const char *getPassName() const {
+ const char *getPassName() const override {
return "Hexagon Packetizer";
}
- bool runOnMachineFunction(MachineFunction &Fn);
+ bool runOnMachineFunction(MachineFunction &Fn) override;
};
char HexagonPacketizer::ID = 0;
const MachineBranchProbabilityInfo *MBPI);
// initPacketizerState - initialize some internal flags.
- void initPacketizerState();
+ void initPacketizerState() override;
// ignorePseudoInstruction - Ignore bundling of pseudo instructions.
- bool ignorePseudoInstruction(MachineInstr *MI, MachineBasicBlock *MBB);
+ bool ignorePseudoInstruction(MachineInstr *MI,
+ MachineBasicBlock *MBB) override;
// isSoloInstruction - return true if instruction MI can not be packetized
// with any other instruction, which means that MI itself is a packet.
- bool isSoloInstruction(MachineInstr *MI);
+ bool isSoloInstruction(MachineInstr *MI) override;
// isLegalToPacketizeTogether - Is it legal to packetize SUI and SUJ
// together.
- bool isLegalToPacketizeTogether(SUnit *SUI, SUnit *SUJ);
+ bool isLegalToPacketizeTogether(SUnit *SUI, SUnit *SUJ) override;
// isLegalToPruneDependencies - Is it legal to prune dependece between SUI
// and SUJ.
- bool isLegalToPruneDependencies(SUnit *SUI, SUnit *SUJ);
+ bool isLegalToPruneDependencies(SUnit *SUI, SUnit *SUJ) override;
- MachineBasicBlock::iterator addToPacket(MachineInstr *MI);
+ MachineBasicBlock::iterator addToPacket(MachineInstr *MI) override;
private:
bool IsCallDependent(MachineInstr* MI, SDep::Kind DepType, unsigned DepReg);
bool PromoteToDotNew(MachineInstr* MI, SDep::Kind DepType,
}
bool HexagonPacketizer::runOnMachineFunction(MachineFunction &Fn) {
- const TargetInstrInfo *TII = Fn.getTarget().getInstrInfo();
+ const TargetInstrInfo *TII = Fn.getSubtarget().getInstrInfo();
MachineLoopInfo &MLI = getAnalysis<MachineLoopInfo>();
MachineDominatorTree &MDT = getAnalysis<MachineDominatorTree>();
const MachineBranchProbabilityInfo *MBPI =
unsigned DepReg) {
const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII;
- const HexagonRegisterInfo* QRI =
- (const HexagonRegisterInfo *) TM.getRegisterInfo();
+ const HexagonRegisterInfo *QRI =
+ (const HexagonRegisterInfo *)TM.getSubtargetImpl()->getRegisterInfo();
// Check for lr dependence
if (DepReg == QRI->getRARegister()) {
GetStoreValueOperand(MI).getReg() != DepReg)
return false;
- const HexagonRegisterInfo* QRI =
- (const HexagonRegisterInfo *) TM.getRegisterInfo();
+ const HexagonRegisterInfo *QRI =
+ (const HexagonRegisterInfo *)TM.getSubtargetImpl()->getRegisterInfo();
const MCInstrDesc& MCID = PacketMI->getDesc();
// first operand is always the result
// evaluate identically
unsigned predRegNumSrc = 0;
unsigned predRegNumDst = 0;
- const TargetRegisterClass* predRegClass = NULL;
+ const TargetRegisterClass* predRegClass = nullptr;
// Get predicate register used in the source instruction
for(unsigned opNum = 0; opNum < PacketMI->getNumOperands(); opNum++) {
{
const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII;
- const HexagonRegisterInfo* QRI =
- (const HexagonRegisterInfo *) TM.getRegisterInfo();
+ const HexagonRegisterInfo *QRI =
+ (const HexagonRegisterInfo *)TM.getSubtargetImpl()->getRegisterInfo();
if (!QRI->Subtarget.hasV4TOps() ||
!QII->mayBeNewStore(MI))
return false;
MachineBasicBlock::iterator II = I;
const unsigned FrameSize = MF.getFrameInfo()->getStackSize();
- const HexagonRegisterInfo* QRI =
- (const HexagonRegisterInfo *) TM.getRegisterInfo();
+ const HexagonRegisterInfo *QRI =
+ (const HexagonRegisterInfo *)TM.getSubtargetImpl()->getRegisterInfo();
const HexagonInstrInfo *QII = (const HexagonInstrInfo *) TII;
// Inline asm cannot go in the packet.
// of that (IsCallDependent) function. Bug 6216 is opened for this.
//
unsigned DepReg = 0;
- const TargetRegisterClass* RC = NULL;
+ const TargetRegisterClass* RC = nullptr;
if (DepType == SDep::Data) {
DepReg = SUJ->Succs[i].getReg();
RC = QRI->getMinimalPhysRegClass(DepReg);