diff options
Diffstat (limited to 'llvm/lib/CodeGen')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 271b2b621d0..e6717524645 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -4926,19 +4926,6 @@ SDValue DAGCombiner::visitFP_ROUND(SDNode *N) { return DAG.getNode(ISD::FCOPYSIGN, N->getDebugLoc(), VT, Tmp, N0.getOperand(1)); } - - // (f32 fp_round (f64 sqrt (f64 fp_extend (f32)))) -> (f32 sqrt) - EVT VT0 = N0.getValueType(); - if (VT == MVT::f32 && - N0.getOpcode() == ISD::FSQRT && VT0 == MVT::f64) { - SDValue N1 = N0.getOperand(0); - EVT VT1 = N1.getValueType(); - if (N1.getOpcode() == ISD::FP_EXTEND && VT1 == MVT::f64 && - N1.getOperand(0).getValueType() == MVT::f32) { - return DAG.getNode(ISD::FSQRT, N->getDebugLoc(), MVT::f32, - N1.getOperand(0), N->getOperand(1)); - } - } return SDValue(); } |