Examples with LVTInstruction net.runelite.asm.attributes.code.instruction.types.LVTInstruction used on opensource projects

Example 16 with LVTInstruction

use of net.runelite.asm.attributes.code.instruction.types.LVTInstruction in project runelite by runelite.

the class ExprArgOrder method canRemove.

private boolean canRemove(MethodContext mctx, Instructions ins, Instruction i) {
    Set<InstructionContext> ctxs = new HashSet<>(mctx.getInstructonContexts(i));
    if (!alwaysPoppedBySameInstruction(ctxs, i) || !alwaysPopsFromSameInstructions(ctxs, i)) {
        return false;
    }
    if (i instanceof InvokeInstruction) {
        // func1() + func2() vs func2() + func1() is not the same thing
        return false;
    }
    int idx = ins.getInstructions().indexOf(i);
    if (idx == -1) {
        return false;
    }
    for (InstructionContext ictx : ctxs) {
        for (StackContext sctx : ictx.getPops()) {
            Instruction pushed = sctx.getPushed().getInstruction();
            int idx2 = ins.getInstructions().indexOf(pushed);
            if (idx2 == -1) {
                return false;
            }
            assert idx > idx2;
            // instructions, we can't move them
            for (int j = idx2; j <= idx; ++j) {
                Instruction i2 = ins.getInstructions().get(j);
                if (i2 instanceof LVTInstruction) {
                    if (((LVTInstruction) i2).store()) {
                        return false;
                    }
                }
                if (i2 instanceof IInc) {
                    return false;
                }
            }
            if (!canRemove(mctx, ins, pushed)) {
                return false;
            }
        }
    }
    return true;
}