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DEAD CODE ANALYSIS PROGRAM, DEAD CODE ANALYSIS METHOD, AND DEAD CODE ANALYSIS DEVICE
DEAD CODE ANALYSIS PROGRAM, DEAD CODE ANALYSIS METHOD, AND DEAD CODE ANALYSIS DEVICE
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机译:死代码分析程序,死代码分析方法和死代码分析设备
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摘要
To efficiently detect a dead code.SOLUTION: A dead code analysis device 1 includes a branch exhaustive path extraction unit 3, a block arrival path extraction unit 4, and a logic dependence arrival determination unit 5. The branch exhaustive path extraction unit 3 performs branch exhaustive path extraction by improved branch exhaustive path extraction. The block arrival path extraction unit 4 performs an exhaustive path search targeting a non-arrival block at which the path extracted by the branch exhaustive path extraction unit 3 does not arrive. The logic dependence arrival determination unit 5 detects as a dead code an instruction statement of a non-arrival basic block even by a path searched by the exhaustive path search.SELECTED DRAWING: Figure 2
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