Started work on copy propagation.

7b0de9af · Jayke Meijer · 8a08a3a2 · 7b0de9af
Commit 7b0de9af authored Dec 28, 2011 by Jayke Meijer
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src/optimize/advanced.py src/optimize/advanced.py +7 -0

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--- a/src/optimize/advanced.py
+++ b/src/optimize/advanced.py
@@ -54,3 +54,10 @@ def fold_constants(block):
    Constant folding:
    """
    return False
+def copy_propagtion(block):
+    """
+    Rename values that were copied to there original, so the copy statement
+    might be useless, allowing it to be removed by dead code elimination.
+    """
+    return false