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Merge pull request #13982 from aschackmull/dataflow/typeflow-calledge-pruning

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Dataflow: Add type-based call-edge pruning.
This commit is contained in:
Anders Schack-Mulligen
2023-09-21 13:33:08 +02:00
committed by GitHub
parent 3d8231be1b 42054539f4
commit 13f7daf71e
19 changed files with 919 additions and 195 deletions
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2
cpp/ql/lib/semmle/code/cpp/dataflow/internal/DataFlowPrivate.qll
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@@ -208,6 +208,8 @@ predicate expectsContent(Node n, ContentSet c) { none() }
predicate typeStrongerThan(DataFlowType t1, DataFlowType t2) { none() }
predicate localMustFlowStep(Node node1, Node node2) { none() }
/** Gets the type of `n` used for type pruning. */
Type getNodeType(Node n) {
suppressUnusedNode(n) and

2
cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowPrivate.qll
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@@ -804,6 +804,8 @@ predicate expectsContent(Node n, ContentSet c) { none() }
predicate typeStrongerThan(DataFlowType t1, DataFlowType t2) { none() }
predicate localMustFlowStep(Node node1, Node node2) { none() }
/** Gets the type of `n` used for type pruning. */
DataFlowType getNodeType(Node n) {
suppressUnusedNode(n) and