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2015.01.13

VARIABLE INFERENCE SYSTEM AND METHOD FOR SOFTWARE PROGRAM

Taiwan, Province of China

Overview

A variable inference system and a variable inference method for a software program are provided. The variable inference system and method calculate a first variable type output corresponding to an unknown variable for a plurality of first basic blocks of a software program. The variable inference system and method calculate a second variable type input corresponding to the unknown variable for a second basic block of the software program. The variable inference system and method calculate a second variable type generation when the second basic block includes a primitive instruction corresponding to the unknown variable. The variable inference system and method calculate a second variable type kill. The variable inference system and method calculate a second variable output corresponding to the unknown variable for the second basic block according to the second variable type input, the second variable type generation and the second variable type kill.