CodeQL library for C/C++
codeql/cpp-all 5.1.0 (changelog, source)
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import semmle.code.cpp.ir.dataflow.internal.DataFlowUtil

Predicates

flowsToBackEdge

Holds if n has a local flow step that goes through a back-edge.

localFlowStep

Holds if data flows from nodeFrom to nodeTo in exactly one local (intra-procedural) step. This relation is only used for local dataflow (for example DataFlow::localFlow(source, sink)) so it contains special cases that should only apply to local dataflow.

simpleLocalFlowStep

INTERNAL: do not use.