From: David Kerkeslager <kerkeslager@gmail.com>
Date: Wed, 24 Jul 2019 18:04:21 +0000 (-0400)
Subject: Better TODOs
X-Git-Url: https://code.kerkeslager.com/?a=commitdiff_plain;h=93ca0209c0daf4988ee1ceb509b043a80a8ac40e;p=fur

Better TODOs
---

diff --git a/optimization.py b/optimization.py
index 7beef77..833ffdd 100644
--- a/optimization.py
+++ b/optimization.py
@@ -4,6 +4,7 @@ PUSHING_INSTRUCTIONS_WITHOUT_SIDE_EFFECTS = set(
     ('push',),
 )
 
+# TODO Some instructions may not touch the stack, so if these occur between a push and a drop we could still optimize
 def push_drop_optimization(ir):
     ir = tuple(ir)
 
@@ -20,7 +21,7 @@ def push_drop_optimization(ir):
             yield ir[i]
             i += 1
 
-# TODO This can be smarter
+# TODO We might be able to trace program flow to eliminate usages even if variables have the same name
 def unused_pop_optimization(ir):
     ir = tuple(ir)