From 9daf9c047d190d2bce09d966697d18eea1624a09 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) llvm-svn: 299361 --- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index ab21b40..eee7c66 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/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"); -- 2.7.4