CodeQL library for Java
codeql/java-all 0.7.5 ( changelog , source )
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Predicate backEdge

Holds if inp is an input to phi along a back edge.

Import path

import semmle.code.java.dataflow.RangeUtils
predicate backEdge ( SsaPhiNode phi , SsaVariable inp , SsaReadPositionPhiInputEdge edge )