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Value Numbering in the Context of Merging Control Flow Disclosure Number: IPCOM000045913D
Original Publication Date: 1983-May-01
Included in the Prior Art Database: 2005-Feb-07

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Saade, HY Tindall, WNJ [+details]


In this article we describe a method and apparatus for operating a computer during compilation of a source program to optimize the translated code output by removing unnecessary redundant instructions. First, the computation environment for each of a plurality of paths from a first basic block to a subsequent common path is determined. Then, the computation environment is pruned to create a single environment for the subsequent common path.