From 0948f0acca745eef8db6922edfd8836f717396b4 Mon Sep 17 00:00:00 2001 From: Eli Friedman Date: Wed, 9 Nov 2011 22:25:12 +0000 Subject: Add check so we don't try to perform an impossible transformation. Fixes issue from PR11319. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144216 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/TargetLowering.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'lib/CodeGen/SelectionDAG/TargetLowering.cpp') diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 3596d6cdf6..d7bad4385e 100644 --- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -1783,7 +1783,8 @@ bool TargetLowering::SimplifyDemandedBits(SDValue Op, case ISD::BITCAST: // If this is an FP->Int bitcast and if the sign bit is the only // thing demanded, turn this into a FGETSIGN. - if (!Op.getOperand(0).getValueType().isVector() && + if (!Op.getValueType().isVector() && + !Op.getOperand(0).getValueType().isVector() && NewMask == APInt::getSignBit(Op.getValueType().getSizeInBits()) && Op.getOperand(0).getValueType().isFloatingPoint()) { bool OpVTLegal = isOperationLegalOrCustom(ISD::FGETSIGN, Op.getValueType()); -- cgit v1.2.3