From c76fa8937d483ae83f94d0793254dbab78877687 Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Mon, 16 Jul 2012 18:56:39 +0000 Subject: Minor cleanup and docs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160311 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp') diff --git a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp index 88479e30bd..4b631b699a 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp @@ -155,7 +155,9 @@ SDValue DAGTypeLegalizer::ScalarizeVecRes_BITCAST(SDNode *N) { SDValue DAGTypeLegalizer::ScalarizeVecRes_BUILD_VECTOR(SDNode *N) { EVT EltVT = N->getValueType(0).getVectorElementType(); SDValue InOp = N->getOperand(0); - if (InOp.getValueType() != EltVT) + // The BUILD_VECTOR operands may be of wider element types and + // we may need to truncate them back to the requested return type. + if (EltVT.isInteger()) return DAG.getNode(ISD::TRUNCATE, N->getDebugLoc(), EltVT, InOp); return InOp; } -- cgit v1.2.3