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Diffstat (limited to 'lib/Target/Hexagon/HexagonHardwareLoops.cpp')
-rw-r--r--lib/Target/Hexagon/HexagonHardwareLoops.cpp72
1 files changed, 32 insertions, 40 deletions
diff --git a/lib/Target/Hexagon/HexagonHardwareLoops.cpp b/lib/Target/Hexagon/HexagonHardwareLoops.cpp
index e2062a3..1577c33 100644
--- a/lib/Target/Hexagon/HexagonHardwareLoops.cpp
+++ b/lib/Target/Hexagon/HexagonHardwareLoops.cpp
@@ -28,7 +28,7 @@
#include "llvm/ADT/SmallSet.h"
#include "Hexagon.h"
-#include "HexagonTargetMachine.h"
+#include "HexagonSubtarget.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunction.h"
@@ -64,9 +64,7 @@ namespace {
MachineLoopInfo *MLI;
MachineRegisterInfo *MRI;
MachineDominatorTree *MDT;
- const HexagonTargetMachine *TM;
const HexagonInstrInfo *TII;
- const HexagonRegisterInfo *TRI;
#ifndef NDEBUG
static int Counter;
#endif
@@ -265,9 +263,7 @@ namespace {
return Contents.ImmVal;
}
- void print(raw_ostream &OS, const TargetMachine *TM = nullptr) const {
- const TargetRegisterInfo *TRI =
- TM ? TM->getSubtargetImpl()->getRegisterInfo() : nullptr;
+ void print(raw_ostream &OS, const TargetRegisterInfo *TRI = nullptr) const {
if (isReg()) { OS << PrintReg(Contents.R.Reg, TRI, Contents.R.Sub); }
if (isImm()) { OS << Contents.ImmVal; }
}
@@ -285,8 +281,8 @@ INITIALIZE_PASS_END(HexagonHardwareLoops, "hwloops",
/// \brief Returns true if the instruction is a hardware loop instruction.
static bool isHardwareLoop(const MachineInstr *MI) {
- return MI->getOpcode() == Hexagon::LOOP0_r ||
- MI->getOpcode() == Hexagon::LOOP0_i;
+ return MI->getOpcode() == Hexagon::J2_loop0r ||
+ MI->getOpcode() == Hexagon::J2_loop0i;
}
FunctionPass *llvm::createHexagonHardwareLoops() {
@@ -302,11 +298,7 @@ bool HexagonHardwareLoops::runOnMachineFunction(MachineFunction &MF) {
MLI = &getAnalysis<MachineLoopInfo>();
MRI = &MF.getRegInfo();
MDT = &getAnalysis<MachineDominatorTree>();
- TM = static_cast<const HexagonTargetMachine*>(&MF.getTarget());
- TII = static_cast<const HexagonInstrInfo *>(
- TM->getSubtargetImpl()->getInstrInfo());
- TRI = static_cast<const HexagonRegisterInfo *>(
- TM->getSubtargetImpl()->getRegisterInfo());
+ TII = MF.getSubtarget<HexagonSubtarget>().getInstrInfo();
for (MachineLoopInfo::iterator I = MLI->begin(), E = MLI->end();
I != E; ++I) {
@@ -357,7 +349,7 @@ bool HexagonHardwareLoops::findInductionRegister(MachineLoop *L,
unsigned PhiOpReg = Phi->getOperand(i).getReg();
MachineInstr *DI = MRI->getVRegDef(PhiOpReg);
unsigned UpdOpc = DI->getOpcode();
- bool isAdd = (UpdOpc == Hexagon::ADD_ri);
+ bool isAdd = (UpdOpc == Hexagon::A2_addi);
if (isAdd) {
// If the register operand to the add is the PHI we're
@@ -540,21 +532,21 @@ CountValue *HexagonHardwareLoops::getLoopTripCount(MachineLoop *L,
return nullptr;
switch (CondOpc) {
- case Hexagon::CMPEQri:
- case Hexagon::CMPEQrr:
+ case Hexagon::C2_cmpeqi:
+ case Hexagon::C2_cmpeq:
Cmp = !Negated ? Comparison::EQ : Comparison::NE;
break;
- case Hexagon::CMPGTUri:
- case Hexagon::CMPGTUrr:
+ case Hexagon::C2_cmpgtui:
+ case Hexagon::C2_cmpgtu:
Cmp = !Negated ? Comparison::GTu : Comparison::LEu;
break;
- case Hexagon::CMPGTri:
- case Hexagon::CMPGTrr:
+ case Hexagon::C2_cmpgti:
+ case Hexagon::C2_cmpgt:
Cmp = !Negated ? Comparison::GTs : Comparison::LEs;
break;
// Very limited support for byte/halfword compares.
- case Hexagon::CMPbEQri_V4:
- case Hexagon::CMPhEQri_V4: {
+ case Hexagon::A4_cmpbeqi:
+ case Hexagon::A4_cmpheqi: {
if (IVBump != 1)
return nullptr;
@@ -574,7 +566,7 @@ CountValue *HexagonHardwareLoops::getLoopTripCount(MachineLoop *L,
}
if (InitV >= EndV)
return nullptr;
- if (CondOpc == Hexagon::CMPbEQri_V4) {
+ if (CondOpc == Hexagon::A4_cmpbeqi) {
if (!isInt<8>(InitV) || !isInt<8>(EndV))
return nullptr;
} else { // Hexagon::CMPhEQri_V4
@@ -626,12 +618,12 @@ CountValue *HexagonHardwareLoops::computeCount(MachineLoop *Loop,
// If so, use the immediate value rather than the register.
if (Start->isReg()) {
const MachineInstr *StartValInstr = MRI->getVRegDef(Start->getReg());
- if (StartValInstr && StartValInstr->getOpcode() == Hexagon::TFRI)
+ if (StartValInstr && StartValInstr->getOpcode() == Hexagon::A2_tfrsi)
Start = &StartValInstr->getOperand(1);
}
if (End->isReg()) {
const MachineInstr *EndValInstr = MRI->getVRegDef(End->getReg());
- if (EndValInstr && EndValInstr->getOpcode() == Hexagon::TFRI)
+ if (EndValInstr && EndValInstr->getOpcode() == Hexagon::A2_tfrsi)
End = &EndValInstr->getOperand(1);
}
@@ -781,9 +773,9 @@ CountValue *HexagonHardwareLoops::computeCount(MachineLoop *Loop,
DistR = End->getReg();
DistSR = End->getSubReg();
} else {
- const MCInstrDesc &SubD = RegToReg ? TII->get(Hexagon::SUB_rr) :
- (RegToImm ? TII->get(Hexagon::SUB_ri) :
- TII->get(Hexagon::ADD_ri));
+ const MCInstrDesc &SubD = RegToReg ? TII->get(Hexagon::A2_sub) :
+ (RegToImm ? TII->get(Hexagon::A2_subri) :
+ TII->get(Hexagon::A2_addi));
unsigned SubR = MRI->createVirtualRegister(IntRC);
MachineInstrBuilder SubIB =
BuildMI(*PH, InsertPos, DL, SubD, SubR);
@@ -811,7 +803,7 @@ CountValue *HexagonHardwareLoops::computeCount(MachineLoop *Loop,
} else {
// Generate CountR = ADD DistR, AdjVal
unsigned AddR = MRI->createVirtualRegister(IntRC);
- const MCInstrDesc &AddD = TII->get(Hexagon::ADD_ri);
+ MCInstrDesc const &AddD = TII->get(Hexagon::A2_addi);
BuildMI(*PH, InsertPos, DL, AddD, AddR)
.addReg(DistR, 0, DistSR)
.addImm(AdjV);
@@ -832,7 +824,7 @@ CountValue *HexagonHardwareLoops::computeCount(MachineLoop *Loop,
// Generate NormR = LSR DistR, Shift.
unsigned LsrR = MRI->createVirtualRegister(IntRC);
- const MCInstrDesc &LsrD = TII->get(Hexagon::LSR_ri);
+ const MCInstrDesc &LsrD = TII->get(Hexagon::S2_lsr_i_r);
BuildMI(*PH, InsertPos, DL, LsrD, LsrR)
.addReg(AdjR, 0, AdjSR)
.addImm(Shift);
@@ -1086,7 +1078,7 @@ bool HexagonHardwareLoops::convertToHardwareLoop(MachineLoop *L) {
BuildMI(*Preheader, InsertPos, DL, TII->get(TargetOpcode::COPY), CountReg)
.addReg(TripCount->getReg(), 0, TripCount->getSubReg());
// Add the Loop instruction to the beginning of the loop.
- BuildMI(*Preheader, InsertPos, DL, TII->get(Hexagon::LOOP0_r))
+ BuildMI(*Preheader, InsertPos, DL, TII->get(Hexagon::J2_loop0r))
.addMBB(LoopStart)
.addReg(CountReg);
} else {
@@ -1095,14 +1087,14 @@ bool HexagonHardwareLoops::convertToHardwareLoop(MachineLoop *L) {
// if the immediate fits in the instructions. Otherwise, we need to
// create a new virtual register.
int64_t CountImm = TripCount->getImm();
- if (!TII->isValidOffset(Hexagon::LOOP0_i, CountImm)) {
+ if (!TII->isValidOffset(Hexagon::J2_loop0i, CountImm)) {
unsigned CountReg = MRI->createVirtualRegister(&Hexagon::IntRegsRegClass);
- BuildMI(*Preheader, InsertPos, DL, TII->get(Hexagon::TFRI), CountReg)
+ BuildMI(*Preheader, InsertPos, DL, TII->get(Hexagon::A2_tfrsi), CountReg)
.addImm(CountImm);
- BuildMI(*Preheader, InsertPos, DL, TII->get(Hexagon::LOOP0_r))
+ BuildMI(*Preheader, InsertPos, DL, TII->get(Hexagon::J2_loop0r))
.addMBB(LoopStart).addReg(CountReg);
} else
- BuildMI(*Preheader, InsertPos, DL, TII->get(Hexagon::LOOP0_i))
+ BuildMI(*Preheader, InsertPos, DL, TII->get(Hexagon::J2_loop0i))
.addMBB(LoopStart).addImm(CountImm);
}
@@ -1122,8 +1114,8 @@ bool HexagonHardwareLoops::convertToHardwareLoop(MachineLoop *L) {
// The loop ends with either:
// - a conditional branch followed by an unconditional branch, or
// - a conditional branch to the loop start.
- if (LastI->getOpcode() == Hexagon::JMP_t ||
- LastI->getOpcode() == Hexagon::JMP_f) {
+ if (LastI->getOpcode() == Hexagon::J2_jumpt ||
+ LastI->getOpcode() == Hexagon::J2_jumpf) {
// Delete one and change/add an uncond. branch to out of the loop.
MachineBasicBlock *BranchTarget = LastI->getOperand(1).getMBB();
LastI = LastMBB->erase(LastI);
@@ -1194,8 +1186,8 @@ MachineInstr *HexagonHardwareLoops::defWithImmediate(unsigned R) {
MachineInstr *DI = MRI->getVRegDef(R);
unsigned DOpc = DI->getOpcode();
switch (DOpc) {
- case Hexagon::TFRI:
- case Hexagon::TFRI64:
+ case Hexagon::A2_tfrsi:
+ case Hexagon::A2_tfrpi:
case Hexagon::CONST32_Int_Real:
case Hexagon::CONST64_Int_Real:
return DI;
@@ -1277,7 +1269,7 @@ bool HexagonHardwareLoops::fixupInductionVariable(MachineLoop *L) {
unsigned PhiReg = Phi->getOperand(i).getReg();
MachineInstr *DI = MRI->getVRegDef(PhiReg);
unsigned UpdOpc = DI->getOpcode();
- bool isAdd = (UpdOpc == Hexagon::ADD_ri);
+ bool isAdd = (UpdOpc == Hexagon::A2_addi);
if (isAdd) {
// If the register operand to the add/sub is the PHI we are looking