diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index f33946cdcc..f6318495e0 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -2400,7 +2400,9 @@ SDOperand DAGCombiner::visitSRA(SDNode *N) { // If the shift wouldn't be a noop, the truncated type is an actual type, // and the truncate is free, then proceed with the transform. - if (ShiftAmt != 0 && TLI.isTruncateFree(VT, TruncVT)) { + if (ShiftAmt != 0 && + TLI.isTypeLegal(TruncVT) && + TLI.isTruncateFree(VT, TruncVT)) { SDOperand Amt = DAG.getConstant(ShiftAmt, TLI.getShiftAmountTy()); SDOperand Shift = DAG.getNode(ISD::SRL, VT, N0.getOperand(0), Amt); SDOperand Trunc = DAG.getNode(ISD::TRUNCATE, TruncVT, Shift); |