CodeQL library for C/C++
codeql/cpp-all 1.1.0 (changelog, source)
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Predicate ignoreInstruction

Holds if instr is an instruction that is not used by the dataflow library. Ignored instructions are not recognized as reads/writes by SSA, and they don’t have a corresponding (Indirect)InstructionNode.

Import path

import semmle.code.cpp.ir.dataflow.internal.SsaInternalsCommon
predicate ignoreInstruction(Instruction instr)