================
@@ -40,6 +42,29 @@ static bool isChangedBefore(const Stmt *S, const Stmt
*NextS, const Stmt *PrevS,
SM.isBeforeInTranslationUnit(MutS->getEndLoc(), NextS->getBeginLoc());
}
+/// Returns the outermost loop that encloses `S` and is itself enclosed by
+/// `Outer`, or null if there is no such loop. The walk passes through
+/// declarations, such as a variable initialized by a lambda, but stops at the
+/// enclosing function.
+static const Stmt *getOutermostLoopBetween(const Stmt *S, const Stmt *Outer,
+ ASTContext *Context) {
+ const Stmt *Loop = nullptr;
+ DynTypedNodeList Parents = Context->getParents(*S);
+ while (!Parents.empty()) {
+ const DynTypedNode Parent = Parents[0];
+ if (Parent.get<FunctionDecl>())
+ break;
+ if (const auto *ParentStmt = Parent.get<Stmt>()) {
+ if (ParentStmt == Outer)
+ break;
+ if (isa<ForStmt, WhileStmt, DoStmt, CXXForRangeStmt>(ParentStmt))
+ Loop = ParentStmt;
+ }
+ Parents = Context->getParents(Parent);
----------------
mamadou-wane wrote:
Added the comment in c19d0254d.
https://github.com/llvm/llvm-project/pull/225827
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