#include "AlphaRelocations.h"
#include "Alpha.h"
#include "llvm/PassManager.h"
-#include "llvm/CodeGen/MachineCodeEmitter.h"
+#include "llvm/CodeGen/JITCodeEmitter.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Function.h"
#include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
using namespace llvm;
namespace {
class AlphaCodeEmitter : public MachineFunctionPass {
- const AlphaInstrInfo *II;
- TargetMachine &TM;
- MachineCodeEmitter &MCE;
-
- /// getMachineOpValue - evaluates the MachineOperand of a given MachineInstr
- ///
- int getMachineOpValue(MachineInstr &MI, MachineOperand &MO);
-
+ JITCodeEmitter &MCE;
+ const AlphaInstrInfo *II;
public:
static char ID;
- explicit AlphaCodeEmitter(TargetMachine &tm, MachineCodeEmitter &mce)
- : MachineFunctionPass((intptr_t)&ID), II(0), TM(tm), MCE(mce) {}
- AlphaCodeEmitter(TargetMachine &tm, MachineCodeEmitter &mce,
- const AlphaInstrInfo& ii)
- : MachineFunctionPass((intptr_t)&ID), II(&ii), TM(tm), MCE(mce) {}
- bool runOnMachineFunction(MachineFunction &MF);
-
- virtual const char *getPassName() const {
- return "Alpha Machine Code Emitter";
- }
-
- void emitInstruction(const MachineInstr &MI);
+ AlphaCodeEmitter(JITCodeEmitter &mce) : MachineFunctionPass(&ID),
+ MCE(mce) {}
/// getBinaryCodeForInstr - This function, generated by the
/// CodeEmitterGenerator using TableGen, produces the binary encoding for
/// machine instructions.
- ///
- unsigned getBinaryCodeForInstr(MachineInstr &MI);
+ unsigned getBinaryCodeForInstr(const MachineInstr &MI);
+
+ /// getMachineOpValue - evaluates the MachineOperand of a given MachineInstr
+
+ unsigned getMachineOpValue(const MachineInstr &MI,
+ const MachineOperand &MO);
+
+ bool runOnMachineFunction(MachineFunction &MF);
+
+ virtual const char *getPassName() const {
+ return "Alpha Machine Code Emitter";
+ }
+
private:
void emitBasicBlock(MachineBasicBlock &MBB);
-
};
- char AlphaCodeEmitter::ID = 0;
}
-/// createAlphaCodeEmitterPass - Return a pass that emits the collected Alpha code
-/// to the specified MCE object.
-FunctionPass *llvm::createAlphaCodeEmitterPass(AlphaTargetMachine &TM,
- MachineCodeEmitter &MCE) {
- return new AlphaCodeEmitter(TM, MCE);
+char AlphaCodeEmitter::ID = 0;
+
+
+/// createAlphaCodeEmitterPass - Return a pass that emits the collected Alpha
+/// code to the specified MCE object.
+
+FunctionPass *llvm::createAlphaJITCodeEmitterPass(AlphaTargetMachine &TM,
+ JITCodeEmitter &JCE) {
+ return new AlphaCodeEmitter(JCE);
}
bool AlphaCodeEmitter::runOnMachineFunction(MachineFunction &MF) {
MCE.StartMachineBasicBlock(&MBB);
for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end();
I != E; ++I) {
- MachineInstr &MI = *I;
+ const MachineInstr &MI = *I;
+ MCE.processDebugLoc(MI.getDebugLoc(), true);
switch(MI.getOpcode()) {
default:
MCE.emitWordLE(getBinaryCodeForInstr(*I));
case Alpha::ALTENT:
case Alpha::PCLABEL:
case Alpha::MEMLABEL:
- case Alpha::IDEF_I:
- case Alpha::IDEF_F32:
- case Alpha::IDEF_F64:
+ case TargetOpcode::IMPLICIT_DEF:
+ case TargetOpcode::KILL:
break; //skip these
}
+ MCE.processDebugLoc(MI.getDebugLoc(), false);
}
}
case Alpha::R30 : case Alpha::F30 : return 30;
case Alpha::R31 : case Alpha::F31 : return 31;
default:
- assert(0 && "Unhandled reg");
- abort();
+ llvm_unreachable("Unhandled reg");
}
}
-int AlphaCodeEmitter::getMachineOpValue(MachineInstr &MI, MachineOperand &MO) {
+unsigned AlphaCodeEmitter::getMachineOpValue(const MachineInstr &MI,
+ const MachineOperand &MO) {
- int rv = 0; // Return value; defaults to 0 for unhandled cases
- // or things that get fixed up later by the JIT.
+ unsigned rv = 0; // Return value; defaults to 0 for unhandled cases
+ // or things that get fixed up later by the JIT.
- if (MO.isRegister()) {
+ if (MO.isReg()) {
rv = getAlphaRegNumber(MO.getReg());
- } else if (MO.isImmediate()) {
+ } else if (MO.isImm()) {
rv = MO.getImm();
- } else if (MO.isGlobalAddress() || MO.isExternalSymbol()
- || MO.isConstantPoolIndex()) {
- DOUT << MO << " is a relocated op for " << MI << "\n";
+ } else if (MO.isGlobal() || MO.isSymbol() || MO.isCPI()) {
+ DEBUG(errs() << MO << " is a relocated op for " << MI << "\n");
unsigned Reloc = 0;
int Offset = 0;
bool useGOT = false;
Offset = MI.getOperand(3).getImm();
break;
default:
- assert(0 && "unknown relocatable instruction");
- abort();
+ llvm_unreachable("unknown relocatable instruction");
}
- if (MO.isGlobalAddress())
- MCE.addRelocation(MachineRelocation::getGV(MCE.getCurrentPCOffset(),
- Reloc, MO.getGlobal(), Offset,
- false, useGOT));
- else if (MO.isExternalSymbol())
+ if (MO.isGlobal())
+ MCE.addRelocation(MachineRelocation::getGV(
+ MCE.getCurrentPCOffset(),
+ Reloc,
+ const_cast<GlobalValue *>(MO.getGlobal()),
+ Offset,
+ isa<Function>(MO.getGlobal()),
+ useGOT));
+ else if (MO.isSymbol())
MCE.addRelocation(MachineRelocation::getExtSym(MCE.getCurrentPCOffset(),
Reloc, MO.getSymbolName(),
Offset, true));
else
- MCE.addRelocation(MachineRelocation::getConstPool(MCE.getCurrentPCOffset(),
- Reloc, MO.getConstantPoolIndex(),
- Offset));
- } else if (MO.isMachineBasicBlock()) {
+ MCE.addRelocation(MachineRelocation::getConstPool(MCE.getCurrentPCOffset(),
+ Reloc, MO.getIndex(), Offset));
+ } else if (MO.isMBB()) {
MCE.addRelocation(MachineRelocation::getBB(MCE.getCurrentPCOffset(),
- Alpha::reloc_bsr,
- MO.getMachineBasicBlock()));
- }else {
- cerr << "ERROR: Unknown type of MachineOperand: " << MO << "\n";
- abort();
+ Alpha::reloc_bsr, MO.getMBB()));
+ } else {
+#ifndef NDEBUG
+ errs() << "ERROR: Unknown type of MachineOperand: " << MO << "\n";
+#endif
+ llvm_unreachable(0);
}
return rv;
}
-
#include "AlphaGenCodeEmitter.inc"
-
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