From ec3fe7c4a83c33d3ce0013b60e3b45d7683dd22d Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 7 Jan 2005 08:19:42 +0000 Subject: Teach legalize how to handle condbranches llvm-svn: 19339 --- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp') diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 748ad3f2879..c8369aa1c61 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -305,6 +305,16 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { } break; + case ISD::BRCOND: + Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. + // FIXME: booleans might not be legal! + Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the condition. + // Basic block destination (Op#2) is always legal. + if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(1)) + Result = DAG.getNode(ISD::BRCOND, MVT::Other, Tmp1, Tmp2, + Node->getOperand(2)); + break; + case ISD::LOAD: Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain. Tmp2 = LegalizeOp(Node->getOperand(1)); // Legalize the pointer. -- cgit v1.2.3