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codeql/cpp/ql/test/library-tests/rangeanalysis/RangeSSA/RangeSsaDominance.ql
Jonas Jensen 4ef5c9af62 C++: Autoformat everything
Some files that will change in #1736 have been spared.

    ./build -j4 target/jars/qlformat
    find ql/cpp/ql -name "*.ql"  -print0 | xargs -0 target/jars/qlformat --input
    find ql/cpp/ql -name "*.qll" -print0 | xargs -0 target/jars/qlformat --input
    (cd ql && git checkout 'cpp/ql/src/semmle/code/cpp/ir/implementation/**/*SSA*.qll')
    buildutils-internal/scripts/pr-checks/sync-identical-files.py --latest
2019-09-09 11:25:53 +02:00

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/**
* @name SSA dominance property test
* @description SSA dominance property test. SSA definitions *must* dominate all uses
* @kind test
*/
import cpp
import semmle.code.cpp.rangeanalysis.RangeSSA
/*
* Count of number of SSA def-use pairs where the defn does not dominate the use.
* Should always be zero *regardless* of the input
*/
select count(RangeSsaDefinition d, LocalScopeVariable v, Expr u |
d.getAUse(v) = u and
not exists(BasicBlock bd, BasicBlock bu |
bd.contains(mkElement(d).(ControlFlowNode)) and bu.contains(u)
|
bbStrictlyDominates(bd, bu)
or
exists(int i, int j |
bd = bu and bd.getNode(i) = mkElement(d) and bu.getNode(j) = u and i <= j
)
)
)