From c14f354895fb764c6861aeb814764d7a6cd49e6e Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 9 May 2005 04:14:13 +0000 Subject: memoize all nodes, even null Value* nodes. Do not add two token chain outputs llvm-svn: 21805 --- llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp') diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 965976cce3d..c9ce7962200 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -1328,13 +1328,11 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT, return SDOperand(N, 0); } -SDOperand SelectionDAG::getSrcValue(const Value* v, int offset) { - if (v && ValueNodes[std::make_pair(v,offset)]) - return SDOperand(ValueNodes[std::make_pair(v,offset)], 0); - SDNode *N = new SrcValueSDNode(v, offset); - N->setValueTypes(MVT::Other); - if (v) //only track non-null values - ValueNodes[std::make_pair(v,offset)] = N; +SDOperand SelectionDAG::getSrcValue(const Value *V, int Offset) { + SDNode *&N = ValueNodes[std::make_pair(V, Offset)]; + if (N) return SDOperand(N, 0); + + N = new SrcValueSDNode(V, Offset); AllNodes.push_back(N); return SDOperand(N, 0); } -- cgit v1.2.3