From 316477dd543b5ae30b832ed4c7708f7aaa51747c Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Tue, 3 Jan 2012 22:12:28 +0000 Subject: Fix incorrect widening of the bitcast sdnode in case the incoming operand is integer-promoted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147484 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp') diff --git a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp index 7ca0d1e5c0..6b267c311d 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp @@ -1571,6 +1571,12 @@ SDValue DAGTypeLegalizer::WidenVecRes_BITCAST(SDNode *N) { case TargetLowering::TypeLegal: break; case TargetLowering::TypePromoteInteger: + // If the incoming type is a vector that is being promoted, then + // we know that the elements are arranged differently and that we + // must perform the conversion using a stack slot. + if (InVT.isVector()) + break; + // If the InOp is promoted to the same size, convert it. Otherwise, // fall out of the switch and widen the promoted input. InOp = GetPromotedInteger(InOp); -- cgit v1.2.3