Method DoRegFinalization

IDEHelper/Backend/BeMCContext.cpp:11467–11920

}

void BeMCContext::DoRegFinalization()
{
	SizedArray<int, 32> savedVolatileVRegs;

	mUsedRegs.Clear();

	SetCurrentInst(NULL);

	// Remove the Def instructions, replace vreg
	for (auto mcBlock : mBlocks)
	{
		mActiveBlock = mcBlock;

		//for (int instIdx = 0; instIdx < (int)mcBlock->mInstructions.size(); instIdx++)
		for (auto instEnum = BeInstEnumerator(this, mcBlock); instEnum.HasMore(); instEnum.Next())
		{
			auto inst = instEnum.Get();
			SetCurrentInst(inst);
			if (inst->IsDef())
			{
				auto vregInfo = GetVRegInfo(inst->mArg0);
				if (vregInfo->mDbgVariable != NULL)
					vregInfo->mAwaitingDbgStart = true;
				instEnum.RemoveCurrent();
				continue;
			}

			// This is similar to an optimization we have in DoLegalization, but it allows for directRelTo's to match
			//  We can't match those in DoLegalization because it would alter the liveness
			if (inst->mKind == BeMCInstKind_Mov)
			{
				// Useless mov, remove it
				if (OperandsEqual(inst->mArg0, inst->mArg1, false))
				{
					if (inst->mDbgLoc != NULL)
					{
						inst->mKind = BeMCInstKind_EnsureInstructionAt;
						inst->mArg0 = BeMCOperand();
						inst->mArg1 = BeMCOperand();
					}
					else
					{
						//RemoveInst(mcBlock, instIdx);
						//instIdx--;
						instEnum.RemoveCurrent();
					}

					continue;
				}
			}

			if ((inst->mKind >= BeMCInstKind_Def) && (inst->mKind <= BeMCInstKind_LifetimeEnd))
				continue;

			if (inst->mResult == inst->mArg0)
			{
				// Destination is implicitly arg0
				inst->mResult.mKind = BeMCOperandKind_None;