CodeQL library for C/C++
codeql/cpp-all 5.1.0 (changelog, source)
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Predicate Cached::hasIncompleteSsa

Holds if the def-use information for f may have been omitted because it was too expensive to compute. This happens if one of the memory allocations in f is a busy definition (i.e., it has many different overlapping uses).

Import path

import semmle.code.cpp.ir.implementation.aliased_ssa.internal.SSAConstruction
predicate hasIncompleteSsa(IRFunction f)