From 3c078c15897e7716e3be15305dafb4fa34a1a30f Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Mon, 3 Apr 2017 15:27:49 +0000 Subject: [PATCH] [DAGCombiner] Check limits before accessing array element (PR32502) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299361 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index ab21b40e83e..eee7c666536 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -1661,7 +1661,7 @@ SDValue DAGCombiner::visitTokenFactor(SDNode *N) { Changed = true; DidPruneOps = true; unsigned OrigOpNumber = 0; - while (Ops[OrigOpNumber].getNode() != Op && OrigOpNumber < Ops.size()) + while (OrigOpNumber < Ops.size() && Ops[OrigOpNumber].getNode() != Op) OrigOpNumber++; assert((OrigOpNumber != Ops.size()) && "expected to find TokenFactor Operand"); -- 2.50.1