#include "llvm/PassManager.h"
#include "llvm/CodeGen/MachineCodeEmitter.h"
#include "llvm/CodeGen/JITCodeEmitter.h"
+#include "llvm/CodeGen/ObjectCodeEmitter.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.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"
#ifndef NDEBUG
#include <iomanip>
#endif
/// createARMCodeEmitterPass - Return a pass that emits the collected ARM code
/// to the specified MCE object.
-namespace llvm {
-
-FunctionPass *createARMCodeEmitterPass(ARMTargetMachine &TM,
- MachineCodeEmitter &MCE) {
+FunctionPass *llvm::createARMCodeEmitterPass(ARMBaseTargetMachine &TM,
+ MachineCodeEmitter &MCE) {
return new Emitter<MachineCodeEmitter>(TM, MCE);
}
-FunctionPass *createARMJITCodeEmitterPass(ARMTargetMachine &TM,
- JITCodeEmitter &JCE) {
+FunctionPass *llvm::createARMJITCodeEmitterPass(ARMBaseTargetMachine &TM,
+ JITCodeEmitter &JCE) {
return new Emitter<JITCodeEmitter>(TM, JCE);
}
-
-} // end namespace llvm
+FunctionPass *llvm::createARMObjectCodeEmitterPass(ARMBaseTargetMachine &TM,
+ ObjectCodeEmitter &OCE) {
+ return new Emitter<ObjectCodeEmitter>(TM, OCE);
+}
template<class CodeEmitter>
bool Emitter<CodeEmitter>::runOnMachineFunction(MachineFunction &MF) {
template<class CodeEmitter>
unsigned Emitter<CodeEmitter>::getShiftOp(unsigned Imm) const {
switch (ARM_AM::getAM2ShiftOpc(Imm)) {
- default: assert(0 && "Unknown shift opc!");
+ default: LLVM_UNREACHABLE("Unknown shift opc!");
case ARM_AM::asr: return 2;
case ARM_AM::lsl: return 0;
case ARM_AM::lsr: return 1;
else if (MO.isMBB())
emitMachineBasicBlock(MO.getMBB(), ARM::reloc_arm_branch);
else {
- cerr << "ERROR: Unknown type of MachineOperand: " << MO << "\n";
- abort();
+#ifndef NDEBUG
+ cerr << MO;
+#endif
+ llvm_unreachable();
}
return 0;
}
NumEmitted++; // Keep track of the # of mi's emitted
switch (MI.getDesc().TSFlags & ARMII::FormMask) {
default: {
- assert(0 && "Unhandled instruction encoding format!");
+ LLVM_UNREACHABLE("Unhandled instruction encoding format!");
break;
}
case ARMII::Pseudo:
else if (CFP->getType() == Type::DoubleTy)
emitDWordLE(CFP->getValueAPF().bitcastToAPInt().getZExtValue());
else {
- assert(0 && "Unable to handle this constantpool entry!");
- abort();
+ LLVM_UNREACHABLE("Unable to handle this constantpool entry!");
}
} else {
- assert(0 && "Unable to handle this constantpool entry!");
- abort();
+ LLVM_UNREACHABLE("Unable to handle this constantpool entry!");
}
}
}
void Emitter<CodeEmitter>::emitMOVi2piecesInstruction(const MachineInstr &MI) {
const MachineOperand &MO0 = MI.getOperand(0);
const MachineOperand &MO1 = MI.getOperand(1);
- assert(MO1.isImm() && "Not a valid so_imm value!");
+ assert(MO1.isImm() && ARM_AM::getSOImmVal(MO1.isImm()) != -1 &&
+ "Not a valid so_imm value!");
unsigned V1 = ARM_AM::getSOImmTwoPartFirst(MO1.getImm());
unsigned V2 = ARM_AM::getSOImmTwoPartSecond(MO1.getImm());
// Encode so_imm.
// Set bit I(25) to identify this is the immediate form of <shifter_op>
Binary |= 1 << ARMII::I_BitShift;
- Binary |= getMachineSoImmOpValue(ARM_AM::getSOImmVal(V1));
+ Binary |= getMachineSoImmOpValue(V1);
emitWordLE(Binary);
// Now the 'orr' instruction.
// Encode so_imm.
// Set bit I(25) to identify this is the immediate form of <shifter_op>
Binary |= 1 << ARMII::I_BitShift;
- Binary |= getMachineSoImmOpValue(ARM_AM::getSOImmVal(V2));
+ Binary |= getMachineSoImmOpValue(V2);
emitWordLE(Binary);
}
Binary |= ARMRegisterInfo::getRegisterNumbering(ARM::PC) << ARMII::RegRnShift;
// Encode the displacement.
- // Set bit I(25) to identify this is the immediate form of <shifter_op>.
Binary |= 1 << ARMII::I_BitShift;
emitJumpTableAddress(MI.getOperand(1).getIndex(), ARM::reloc_arm_jt_base);
unsigned Opcode = MI.getDesc().Opcode;
switch (Opcode) {
default:
- abort(); // FIXME:
+ LLVM_UNREACHABLE("ARMCodeEmitter::emitPseudoInstruction");//FIXME:
case TargetInstrInfo::INLINEASM: {
// We allow inline assembler nodes with empty bodies - they can
// implicitly define registers, which is ok for JIT.
if (MI.getOperand(0).getSymbolName()[0]) {
- assert(0 && "JIT does not support inline asm!\n");
- abort();
+ llvm_report_error("JIT does not support inline asm!");
}
break;
}
// ROR - 0111
// RRX - 0110 and bit[11:8] clear.
switch (SOpc) {
- default: assert(0 && "Unknown shift opc!");
+ default: LLVM_UNREACHABLE("Unknown shift opc!");
case ARM_AM::lsl: SBits = 0x1; break;
case ARM_AM::lsr: SBits = 0x3; break;
case ARM_AM::asr: SBits = 0x5; break;
// ASR - 100
// ROR - 110
switch (SOpc) {
- default: assert(0 && "Unknown shift opc!");
+ default: LLVM_UNREACHABLE("Unknown shift opc!");
case ARM_AM::lsl: SBits = 0x0; break;
case ARM_AM::lsr: SBits = 0x2; break;
case ARM_AM::asr: SBits = 0x4; break;
template<class CodeEmitter>
unsigned Emitter<CodeEmitter>::getMachineSoImmOpValue(unsigned SoImm) {
+ int SoImmVal = ARM_AM::getSOImmVal(SoImm);
+ assert(SoImmVal != -1 && "Not a valid so_imm value!");
+
// Encode rotate_imm.
- unsigned Binary = (ARM_AM::getSOImmValRot(SoImm) >> 1)
+ unsigned Binary = (ARM_AM::getSOImmValRot((unsigned)SoImmVal) >> 1)
<< ARMII::SoRotImmShift;
// Encode immed_8.
- Binary |= ARM_AM::getSOImmValImm(SoImm);
+ Binary |= ARM_AM::getSOImmValImm((unsigned)SoImmVal);
return Binary;
}
unsigned ImplicitRn) {
const TargetInstrDesc &TID = MI.getDesc();
+ if (TID.Opcode == ARM::BFC) {
+ llvm_report_error("ERROR: ARMv6t2 JIT is not yet supported.");
+ }
+
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
}
// Encode so_imm.
- // Set bit I(25) to identify this is the immediate form of <shifter_op>.
- Binary |= 1 << ARMII::I_BitShift;
- Binary |= getMachineSoImmOpValue(MO.getImm());
+ Binary |= getMachineSoImmOpValue((unsigned)MO.getImm());
emitWordLE(Binary);
}
// Set first operand
Binary |= getMachineOpValue(MI, OpIdx++) << ARMII::RegRdShift;
+ // Skip LDRD and STRD's second operand.
+ if (TID.Opcode == ARM::LDRD || TID.Opcode == ARM::STRD)
+ ++OpIdx;
+
// Set second operand
if (ImplicitRn)
// Special handling for implicit use (e.g. PC).
// DA - Decrement after - bit U = 0 and bit P = 0
// DB - Decrement before - bit U = 0 and bit P = 1
switch (Mode) {
- default: assert(0 && "Unknown addressing sub-mode!");
+ default: LLVM_UNREACHABLE("Unknown addressing sub-mode!");
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;
void Emitter<CodeEmitter>::emitBranchInstruction(const MachineInstr &MI) {
const TargetInstrDesc &TID = MI.getDesc();
- if (TID.Opcode == ARM::TPsoft)
- abort(); // FIXME
+ if (TID.Opcode == ARM::TPsoft) {
+ LLVM_UNREACHABLE("ARM::TPsoft FIXME"); // FIXME
+ }
// Part of binary is determined by TableGn.
unsigned Binary = getBinaryCodeForInstr(MI);
const TargetInstrDesc &TID = MI.getDesc();
// Handle jump tables.
- if (TID.Opcode == ARM::BR_JTr || TID.Opcode == ARM::BR_JTadd) {
+ if (TID.Opcode == ARM::BR_JTr || TID.Opcode == ARM::BR_JTadd ||
+ TID.Opcode == ARM::t2BR_JTr || TID.Opcode == ARM::t2BR_JTadd) {
// First emit a ldr pc, [] instruction.
emitDataProcessingInstruction(MI, ARM::PC);
// Then emit the inline jump table.
- unsigned JTIndex = (TID.Opcode == ARM::BR_JTr)
+ unsigned JTIndex =
+ (TID.Opcode == ARM::BR_JTr || TID.Opcode == ARM::t2BR_JTr)
? MI.getOperand(1).getIndex() : MI.getOperand(2).getIndex();
emitInlineJumpTable(JTIndex);
return;
- } else if (TID.Opcode == ARM::BR_JTm) {
+ } else if (TID.Opcode == ARM::BR_JTm || TID.Opcode == ARM::t2BR_JTm) {
// First emit a ldr pc, [] instruction.
emitLoadStoreInstruction(MI, ARM::PC);
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