Method of reordering condition checks between variables based on a frequency that check is satisfied

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United States of America Patent

PATENT NO 10275335
APP PUB NO 20180004625A1
SERIAL NO

15705911

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Abstract

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Described is a computer-implemented method of reordering condition checks. Two or more condition checks in computer code that may be reordered within the code are identified. It is determined that the execution frequency of a later one of the condition checks is satisfied at a greater frequency than a preceding one of the condition checks. It is determined that there is an absence of side effects in the two or more condition checks. The values of the condition checks are propagated and abstract interpretation is performed on the values that are propagated. It is determined that the condition checks are exclusive of each other, and the condition checks are reordered within the computer code.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINE CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakaike, Takuya Kanagawa-ken, JP 42 362
Ogasawara, Takeshi Tokyo, JP 227 1117

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