diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 7c347d0526a6..bfceecb7aafc 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -430,7 +430,6 @@ void SelectionDAGLowering::visitBr(BranchInst &I) { MachineBasicBlock *Succ1MBB = FuncInfo.MBBMap[I.getSuccessor(1)]; SDOperand Cond = getValue(I.getCondition()); - if (Succ1MBB == NextBlock) { // If the condition is false, fall through. This means we should branch // if the condition is true to Succ #0. @@ -444,12 +443,12 @@ void SelectionDAGLowering::visitBr(BranchInst &I) { DAG.setRoot(DAG.getNode(ISD::BRCOND, MVT::Other, getRoot(), Cond, DAG.getBasicBlock(Succ1MBB))); } else { - // Neither edge is a fall through. If the comparison is true, jump to - // Succ#0, otherwise branch unconditionally to succ #1. - DAG.setRoot(DAG.getNode(ISD::BRCOND, MVT::Other, getRoot(), - Cond, DAG.getBasicBlock(Succ0MBB))); - DAG.setRoot(DAG.getNode(ISD::BR, MVT::Other, getRoot(), - DAG.getBasicBlock(Succ1MBB))); + std::vector Ops; + Ops.push_back(getRoot()); + Ops.push_back(Cond); + Ops.push_back(DAG.getBasicBlock(Succ0MBB)); + Ops.push_back(DAG.getBasicBlock(Succ1MBB)); + DAG.setRoot(DAG.getNode(ISD::BRCONDTWOWAY, MVT::Other, Ops)); } } }