From 5a6c6d98d561df671350a56c8031a3611f1c46fa Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 13 Jan 2005 19:53:14 +0000 Subject: [PATCH] Don't forget the existing root. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19531 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 8f0a916d68d..6a81975292c 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -878,10 +878,8 @@ void SelectionDAGISel::BuildSelectionDAG(SelectionDAG &DAG, BasicBlock *LLVMBB, ConstantsOut.clear(); // Turn all of the unordered chains into one factored node. - switch (UnorderedChains.size()) { - case 0: break; - case 1: DAG.setRoot(UnorderedChains[0]); break; - default: + if (!UnorderedChains.empty()) { + UnorderedChains.push_back(DAG.getRoot()); DAG.setRoot(DAG.getNode(ISD::TokenFactor, MVT::Other, UnorderedChains)); } -- 2.34.1