From 44d105b7faf5672a2af61a3f0fdfed0d437d5777 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 12 May 2005 06:54:21 +0000 Subject: [PATCH] Make sure to expand all nodes, avoiding unintentional node duplication. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21889 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index b8c4315e512..5cc148a84f5 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -2168,6 +2168,13 @@ ExpandIntToFP(bool isSigned, MVT::ValueType DestTy, SDOperand Source) { TargetLowering::ArgListTy Args; const Type *ArgTy = MVT::getTypeForValueType(Source.getValueType()); + + // Expand the source, then glue it back together for the call. We must expand + // the source in case it is shared (this pass of legalize must traverse it). + SDOperand SrcLo, SrcHi; + ExpandOp(Source, SrcLo, SrcHi); + Source = DAG.getNode(ISD::BUILD_PAIR, Source.getValueType(), SrcLo, SrcHi); + Args.push_back(std::make_pair(Source, ArgTy)); // We don't care about token chains for libcalls. We just use the entry -- 2.34.1