Remove r108639 now that it is handled by InstCombine instead.

[oota-llvm.git] / lib / CodeGen / SelectionDAG / DAGCombiner.cpp

diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 271b2b621d03011364dd45d2cfeae5e8ae47f2b4..e67175246457247b3e06e8509e00efbc4c236152 100644 (file)
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/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();
 }