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https://github.com/c64scene-ar/llvm-6502.git
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Constify things a bit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12251 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -185,10 +185,10 @@ namespace {
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}
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private:
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void emitBasicBlock(MachineBasicBlock &MBB);
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void emitInstruction(MachineInstr &MI);
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void emitBasicBlock(const MachineBasicBlock &MBB);
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void emitInstruction(const MachineInstr &MI);
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void emitPCRelativeBlockAddress(BasicBlock *BB);
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void emitPCRelativeBlockAddress(const BasicBlock *BB);
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void emitMaybePCRelativeValue(unsigned Address, bool isPCRelative);
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void emitGlobalAddressForCall(GlobalValue *GV);
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void emitGlobalAddressForPtr(GlobalValue *GV);
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@ -237,11 +237,11 @@ bool Emitter::runOnMachineFunction(MachineFunction &MF) {
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return false;
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}
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void Emitter::emitBasicBlock(MachineBasicBlock &MBB) {
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void Emitter::emitBasicBlock(const MachineBasicBlock &MBB) {
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if (uint64_t Addr = MCE.getCurrentPCValue())
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BasicBlockAddrs[MBB.getBasicBlock()] = Addr;
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for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end(); I != E; ++I)
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for (MachineBasicBlock::const_iterator I = MBB.begin(), E = MBB.end(); I != E; ++I)
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emitInstruction(*I);
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}
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@ -251,7 +251,7 @@ void Emitter::emitBasicBlock(MachineBasicBlock &MBB) {
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/// (because this is a forward branch), it keeps track of the information
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/// necessary to resolve this address later (and emits a dummy value).
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///
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void Emitter::emitPCRelativeBlockAddress(BasicBlock *BB) {
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void Emitter::emitPCRelativeBlockAddress(const BasicBlock *BB) {
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// FIXME: Emit backward branches directly
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BBRefs.push_back(std::make_pair(BB, MCE.getCurrentPCValue()));
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MCE.emitWord(0); // Emit a dummy value
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@ -476,7 +476,7 @@ static unsigned sizeOfPtr(const TargetInstrDescriptor &Desc) {
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}
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}
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void Emitter::emitInstruction(MachineInstr &MI) {
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void Emitter::emitInstruction(const MachineInstr &MI) {
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NumEmitted++; // Keep track of the # of mi's emitted
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unsigned Opcode = MI.getOpcode();
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@ -516,7 +516,7 @@ void Emitter::emitInstruction(MachineInstr &MI) {
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case X86II::RawFrm:
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MCE.emitByte(BaseOpcode);
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if (MI.getNumOperands() == 1) {
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MachineOperand &MO = MI.getOperand(0);
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const MachineOperand &MO = MI.getOperand(0);
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if (MO.isPCRelativeDisp()) {
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// Conditional branch... FIXME: this should use an MBB destination!
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emitPCRelativeBlockAddress(cast<BasicBlock>(MO.getVRegValue()));
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@ -536,7 +536,7 @@ void Emitter::emitInstruction(MachineInstr &MI) {
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case X86II::AddRegFrm:
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MCE.emitByte(BaseOpcode + getX86RegNum(MI.getOperand(0).getReg()));
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if (MI.getNumOperands() == 2) {
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MachineOperand &MO1 = MI.getOperand(1);
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const MachineOperand &MO1 = MI.getOperand(1);
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if (Value *V = MO1.getVRegValueOrNull()) {
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assert(sizeOfImm(Desc) == 4 && "Don't know how to emit non-pointer values!");
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emitGlobalAddressForPtr(cast<GlobalValue>(V));
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