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path: root/lib/CodeGen/OptimizePHIs.cpp
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* Detect and handle COPY in many places.Jakob Stoklund Olesen2010-07-031-0/+5
* Besides removing phi cycles that reduce to a single value, also remove deadBob Wilson2010-02-131-20/+68
* Add a new pass on machine instructions to optimize away PHI cycles that Bob Wilson2010-02-121-0/+141