#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/ADT/Statistic.h"
-#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
};
template<class CodeEmitter>
- class VISIBILITY_HIDDEN Emitter : public MachineFunctionPass,
- public ARMCodeEmitter {
+ class Emitter : public MachineFunctionPass, public ARMCodeEmitter {
ARMJITInfo *JTI;
const ARMInstrInfo *II;
const TargetData *TD;
+ const ARMSubtarget *Subtarget;
TargetMachine &TM;
CodeEmitter &MCE;
const std::vector<MachineConstantPoolEntry> *MCPEs;
const std::vector<MachineJumpTableEntry> *MJTEs;
bool IsPIC;
+ void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.addRequired<MachineModuleInfo>();
+ MachineFunctionPass::getAnalysisUsage(AU);
+ }
+
public:
static char ID;
explicit Emitter(TargetMachine &tm, CodeEmitter &mce)
/// Routines that handle operands which add machine relocations which are
/// fixed up by the relocation stage.
void emitGlobalAddress(GlobalValue *GV, unsigned Reloc,
- bool NeedStub, intptr_t ACPV = 0);
+ bool MayNeedFarStub, bool Indirect,
+ intptr_t ACPV = 0);
void emitExternalSymbolAddress(const char *ES, unsigned Reloc);
void emitConstPoolAddress(unsigned CPI, unsigned Reloc);
void emitJumpTableAddress(unsigned JTIndex, unsigned Reloc);
assert((MF.getTarget().getRelocationModel() != Reloc::Default ||
MF.getTarget().getRelocationModel() != Reloc::Static) &&
"JIT relocation model must be set to static or default!");
+ JTI = ((ARMTargetMachine&)MF.getTarget()).getJITInfo();
II = ((ARMTargetMachine&)MF.getTarget()).getInstrInfo();
TD = ((ARMTargetMachine&)MF.getTarget()).getTargetData();
- JTI = ((ARMTargetMachine&)MF.getTarget()).getJITInfo();
+ Subtarget = &TM.getSubtarget<ARMSubtarget>();
MCPEs = &MF.getConstantPool()->getConstants();
MJTEs = &MF.getJumpTableInfo()->getJumpTables();
IsPIC = TM.getRelocationModel() == Reloc::PIC_;
JTI->Initialize(MF, IsPIC);
+ MCE.setModuleInfo(&getAnalysis<MachineModuleInfo>());
do {
DEBUG(errs() << "JITTing function '"
else if (MO.isImm())
return static_cast<unsigned>(MO.getImm());
else if (MO.isGlobal())
- emitGlobalAddress(MO.getGlobal(), ARM::reloc_arm_branch, true);
+ emitGlobalAddress(MO.getGlobal(), ARM::reloc_arm_branch, true, false);
else if (MO.isSymbol())
emitExternalSymbolAddress(MO.getSymbolName(), ARM::reloc_arm_branch);
else if (MO.isCPI()) {
emitMachineBasicBlock(MO.getMBB(), ARM::reloc_arm_branch);
else {
#ifndef NDEBUG
- cerr << MO;
+ errs() << MO;
#endif
llvm_unreachable(0);
}
///
template<class CodeEmitter>
void Emitter<CodeEmitter>::emitGlobalAddress(GlobalValue *GV, unsigned Reloc,
- bool NeedStub, intptr_t ACPV) {
- MCE.addRelocation(MachineRelocation::getGV(MCE.getCurrentPCOffset(), Reloc,
- GV, ACPV, NeedStub));
+ bool MayNeedFarStub, bool Indirect,
+ intptr_t ACPV) {
+ MachineRelocation MR = Indirect
+ ? MachineRelocation::getIndirectSymbol(MCE.getCurrentPCOffset(), Reloc,
+ GV, ACPV, MayNeedFarStub)
+ : MachineRelocation::getGV(MCE.getCurrentPCOffset(), Reloc,
+ GV, ACPV, MayNeedFarStub);
+ MCE.addRelocation(MR);
}
/// emitExternalSymbolAddress - Arrange for the address of an external symbol to
template<class CodeEmitter>
void Emitter<CodeEmitter>::emitWordLE(unsigned Binary) {
-#ifndef NDEBUG
- DOUT << " 0x" << std::hex << std::setw(8) << std::setfill('0')
- << Binary << std::dec << "\n";
-#endif
+ DEBUG(errs() << " 0x";
+ errs().write_hex(Binary) << "\n");
MCE.emitWordLE(Binary);
}
template<class CodeEmitter>
void Emitter<CodeEmitter>::emitDWordLE(uint64_t Binary) {
-#ifndef NDEBUG
- DOUT << " 0x" << std::hex << std::setw(8) << std::setfill('0')
- << (unsigned)Binary << std::dec << "\n";
- DOUT << " 0x" << std::hex << std::setw(8) << std::setfill('0')
- << (unsigned)(Binary >> 32) << std::dec << "\n";
-#endif
+ DEBUG(errs() << " 0x";
+ errs().write_hex(Binary) << "\n");
MCE.emitDWordLE(Binary);
}
template<class CodeEmitter>
void Emitter<CodeEmitter>::emitInstruction(const MachineInstr &MI) {
- DOUT << "JIT: " << (void*)MCE.getCurrentPCValue() << ":\t" << MI;
+ DEBUG(errs() << "JIT: " << (void*)MCE.getCurrentPCValue() << ":\t" << MI);
- MCE.processDebugLoc(MI.getDebugLoc());
+ MCE.processDebugLoc(MI.getDebugLoc(), true);
NumEmitted++; // Keep track of the # of mi's emitted
switch (MI.getDesc().TSFlags & ARMII::FormMask) {
emitMiscInstruction(MI);
break;
}
+ MCE.processDebugLoc(MI.getDebugLoc(), false);
}
template<class CodeEmitter>
ARMConstantPoolValue *ACPV =
static_cast<ARMConstantPoolValue*>(MCPE.Val.MachineCPVal);
- DOUT << " ** ARM constant pool #" << CPI << " @ "
- << (void*)MCE.getCurrentPCValue() << " " << *ACPV << '\n';
+ DEBUG(errs() << " ** ARM constant pool #" << CPI << " @ "
+ << (void*)MCE.getCurrentPCValue() << " " << *ACPV << '\n');
+ assert(ACPV->isGlobalValue() && "unsupported constant pool value");
GlobalValue *GV = ACPV->getGV();
if (GV) {
- assert(!ACPV->isStub() && "Don't know how to deal this yet!");
- if (ACPV->isNonLazyPointer())
- MCE.addRelocation(MachineRelocation::getIndirectSymbol(
- MCE.getCurrentPCOffset(), ARM::reloc_arm_machine_cp_entry, GV,
- (intptr_t)ACPV, false));
- else
- emitGlobalAddress(GV, ARM::reloc_arm_machine_cp_entry,
- ACPV->isStub() || isa<Function>(GV), (intptr_t)ACPV);
+ Reloc::Model RelocM = TM.getRelocationModel();
+ emitGlobalAddress(GV, ARM::reloc_arm_machine_cp_entry,
+ isa<Function>(GV),
+ Subtarget->GVIsIndirectSymbol(GV, RelocM),
+ (intptr_t)ACPV);
} else {
- assert(!ACPV->isNonLazyPointer() && "Don't know how to deal this yet!");
emitExternalSymbolAddress(ACPV->getSymbol(), ARM::reloc_arm_absolute);
}
emitWordLE(0);
});
if (GlobalValue *GV = dyn_cast<GlobalValue>(CV)) {
- emitGlobalAddress(GV, ARM::reloc_arm_absolute, isa<Function>(GV));
+ emitGlobalAddress(GV, ARM::reloc_arm_absolute, isa<Function>(GV), false);
emitWordLE(0);
} else if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
uint32_t Val = *(uint32_t*)CI->getValue().getRawData();
emitWordLE(Val);
} else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
- if (CFP->getType() == Type::FloatTy)
+ if (CFP->getType()->isFloatTy())
emitWordLE(CFP->getValueAPF().bitcastToAPInt().getZExtValue());
- else if (CFP->getType() == Type::DoubleTy)
+ else if (CFP->getType()->isDoubleTy())
emitDWordLE(CFP->getValueAPF().bitcastToAPInt().getZExtValue());
else {
llvm_unreachable("Unable to handle this constantpool entry!");
template<class CodeEmitter>
void Emitter<CodeEmitter>::addPCLabel(unsigned LabelID) {
- DOUT << " ** LPC" << LabelID << " @ "
- << (void*)MCE.getCurrentPCValue() << '\n';
+ DEBUG(errs() << " ** LPC" << LabelID << " @ "
+ << (void*)MCE.getCurrentPCValue() << '\n');
JTI->addPCLabelAddr(LabelID, MCE.getCurrentPCValue());
}
unsigned Opcode = MI.getDesc().Opcode;
switch (Opcode) {
default:
- llvm_unreachable("ARMCodeEmitter::emitPseudoInstruction");//FIXME:
+ llvm_unreachable("ARMCodeEmitter::emitPseudoInstruction");
+ // FIXME: Add support for MOVimm32.
case TargetInstrInfo::INLINEASM: {
// We allow inline assembler nodes with empty bodies - they can
// implicitly define registers, which is ok for JIT.
MCE.emitLabel(MI.getOperand(0).getImm());
break;
case TargetInstrInfo::IMPLICIT_DEF:
- case TargetInstrInfo::DECLARE:
- case ARM::DWARF_LOC:
+ case TargetInstrInfo::KILL:
// Do nothing.
break;
case ARM::CONSTPOOL_ENTRY:
// DB - Decrement before - bit U = 0 and bit P = 1
switch (Mode) {
default: llvm_unreachable("Unknown addressing sub-mode!");
- case ARM_AM::da: break;
+ case ARM_AM::da: break;
case ARM_AM::db: Binary |= 0x1 << ARMII::P_BitShift; break;
case ARM_AM::ia: Binary |= 0x1 << ARMII::U_BitShift; break;
case ARM_AM::ib: Binary |= 0x3 << ARMII::U_BitShift; break;
Binary |= 0x1 << ARMII::W_BitShift;
// Set registers
- for (unsigned i = 4, e = MI.getNumOperands(); i != e; ++i) {
+ for (unsigned i = 5, e = MI.getNumOperands(); i != e; ++i) {
const MachineOperand &MO = MI.getOperand(i);
if (!MO.isReg() || MO.isImplicit())
break;
// Remember the base address of the inline jump table.
uintptr_t JTBase = MCE.getCurrentPCValue();
JTI->addJumpTableBaseAddr(JTIndex, JTBase);
- DOUT << " ** Jump Table #" << JTIndex << " @ " << (void*)JTBase << '\n';
+ DEBUG(errs() << " ** Jump Table #" << JTIndex << " @ " << (void*)JTBase
+ << '\n');
// Now emit the jump table entries.
const std::vector<MachineBasicBlock*> &MBBs = (*MJTEs)[JTIndex].MBBs;
Binary |= 0x1 << ARMII::W_BitShift;
// First register is encoded in Dd.
- Binary |= encodeVFPRd(MI, 4);
+ Binary |= encodeVFPRd(MI, 5);
// Number of registers are encoded in offset field.
unsigned NumRegs = 1;
- for (unsigned i = 5, e = MI.getNumOperands(); i != e; ++i) {
+ for (unsigned i = 6, e = MI.getNumOperands(); i != e; ++i) {
const MachineOperand &MO = MI.getOperand(i);
if (!MO.isReg() || MO.isImplicit())
break;