Function LiftConditionalBranch

arch/powerpc/il.cpp:200–243

static bool LiftConditionalBranch(LowLevelILFunction& il, uint8_t bo, uint8_t bi, BNLowLevelILLabel& takenLabel, BNLowLevelILLabel& falseLabel, size_t addressSize_a=4)
{
	bool testsCtr = !(bo & 4);
	bool testsCrBit = !(bo & 0x10);
	bool isConditional = testsCtr || testsCrBit;

	if (testsCtr)
	{
		ExprId cond, left, right;

		il.AddInstruction(
			il.SetRegister(addressSize_a, PPC_REG_CTR,
				il.Sub(addressSize_a,
					il.Register(addressSize_a, PPC_REG_CTR),
					il.Const(addressSize_a, 1))));

		left = il.Register(addressSize_a, PPC_REG_CTR);
		right = il.Const(addressSize_a, 0);

		if (bo & 2)
			cond = il.CompareEqual(addressSize_a, left, right);
		else
			cond = il.CompareNotEqual(addressSize_a, left, right);

		if (!testsCrBit)
		{
			il.AddInstruction(il.If(cond, takenLabel, falseLabel));
		}
		else
		{
			LowLevelILLabel trueLabel;
			il.AddInstruction(il.If(cond, trueLabel, falseLabel));
			il.MarkLabel(trueLabel);
		}
	}

	if (testsCrBit)
	{
		ExprId cond = ExtractConditionClause(il, bi, !(bo & 8));
		il.AddInstruction(il.If(cond, takenLabel, falseLabel));
	}

	return isConditional;
}

static bool LiftBranches(Architecture* arch, LowLevelILFunction &il, const uint8_t* data, uint64_t addr, bool le)
{