hohn/codeql
1
0
Fork 0
mirror of https://github.com/github/codeql.git synced 2026-05-03 20:58:03 +02:00
Code Issues Packages Projects Releases Wiki Activity

C++: Add flow summaries to simpleLocalFlowStep.

Browse Source
This commit is contained in:
Geoffrey White
2024-02-14 09:45:30 +00:00
parent 0c3aa7b7f2
commit e187a4a7d6
2 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll
View File

@@ -10,6 +10,7 @@ private import semmle.code.cpp.ir.ValueNumbering
private import semmle.code.cpp.ir.IR
private import semmle.code.cpp.controlflow.IRGuards
private import semmle.code.cpp.models.interfaces.DataFlow
private import semmle.code.cpp.dataflow.internal.FlowSummaryImpl as FlowSummaryImpl
private import DataFlowPrivate
private import ModelUtil
private import SsaInternals as Ssa
@@ -1965,6 +1966,9 @@ private module Cached {
// by a function. This allows data to flow 'in' through references returned by a modeled
// function such as `operator[]`.
reverseFlow(nodeFrom, nodeTo)
or
// models-as-data summarized flow
FlowSummaryImpl::Private::Steps::summaryThroughStepValue(nodeFrom, nodeTo, _)
}
private predicate simpleInstructionLocalFlowStep(Operand opFrom, Instruction iTo) {