CodeQL library for C/C++
codeql/cpp-all 6.0.1 (changelog, source)
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Predicate isBusyDef

Holds if def is a busy definition. That is, it has a large number of overlapping uses.

Import path

import semmle.code.cpp.ir.implementation.aliased_ssa.internal.AliasedSSA
predicate isBusyDef(MemoryLocation0 def)