================
@@ -372,6 +372,21 @@ void FactsGenerator::VisitUnaryOperator(const
UnaryOperator *UO) {
killAndFlowOrigin(*UO, *SubExpr);
return;
}
+ case UO_PreInc:
+ case UO_PostInc:
+ case UO_PreDec:
+ case UO_PostDec: {
+ // Incrementing/decrementing a pointer keeps it in the same allocation, so
+ // the result carries the operand's loans. The operand is always an lvalue;
+ // peel its storage origin when the result is a prvalue (post-inc/dec, or
+ // any form in C).
+ if (!UO->getType()->isPointerType())
+ return;
+ OriginList *SubList = getOriginsList(*UO->getSubExpr());
+ flow(getOriginsList(*UO),
+ UO->isGLValue() ? SubList : SubList->peelOuterOrigin(),
/*Kill=*/true);
----------------
usx95 wrote:
I think you can use `getRValueOrigins` for this.
https://github.com/llvm/llvm-project/pull/204477
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