Commit abaf5686 authored by Michael Beck's avatar Michael Beck
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[r3931]
parent f7b491e3
......@@ -25,7 +25,25 @@
*
* Removes redundand non-volatile Loads and Stores.
* May introduce Bad nodes if exceptional control flow
* is removed.
* is removed. The following cases are optimized:
*
* Load without result: A Load which has only a memory use
* is removed.
*
* Load after Store: A Load after a Store is removed, if
* the Load doesn't have an exception handler or is in
* the same block as the Store.
*
* Load after Load: A Load after a Load is removed, if the
* Load doesn't have an exception handler or is in the
* same block as the previous Load.
*
* Store before Store: A Store immediately before another
* Store in the same block is removed, if the Store doesn't
* have an exception handler.
*
* Store after Load: A Store after a Load is removed, if the
* Store doesn't have an exception handler.
*/
void optimize_load_store(ir_graph *irg);
......
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