From 9ac3631fa34cf2180ba6c3ce047b85b8cd41d48c Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Fri, 16 May 2008 17:19:05 +0000 Subject: [PATCH] If the result of a BIT_CONVERT is a v1* vector, it doesn't mean its source is a v1* vector. llvm-svn: 51192 --- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 155b1a33acc4..3290311df2bb 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -7109,10 +7109,13 @@ SDOperand SelectionDAGLegalize::ScalarizeVectorOp(SDOperand Op) { Result = Node->getOperand(0); assert(Result.getValueType() == NewVT); break; - case ISD::BIT_CONVERT: - Result = DAG.getNode(ISD::BIT_CONVERT, NewVT, - ScalarizeVectorOp(Op.getOperand(0))); + case ISD::BIT_CONVERT: { + SDOperand Op0 = Op.getOperand(0); + if (MVT::getVectorNumElements(Op0.getValueType()) == 1) + Op0 = ScalarizeVectorOp(Op0); + Result = DAG.getNode(ISD::BIT_CONVERT, NewVT, Op0); break; + } case ISD::SELECT: Result = DAG.getNode(ISD::SELECT, NewVT, Op.getOperand(0), ScalarizeVectorOp(Op.getOperand(1)),