[llvm-commits] [llvm] r37818 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Evan Cheng]

Author: evancheng
Date: Fri Jun 29 16:44:35 2007
New Revision: 37818

URL: http://llvm.org/viewvc/llvm-project?rev=37818&view=rev
Log:
Only do FNEG xform when the vector type is a floating point type.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp?rev=37818&r1=37817&r2=37818&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Fri Jun 29 16:44:35 2007
@@ -1798,13 +1798,15 @@
     if (ConstantVector *CV = dyn_cast<ConstantVector>(I.getOperand(0))) {
       const VectorType *DestTy = cast<VectorType>(I.getType());
       const Type *ElTy = DestTy->getElementType();
-      unsigned VL = DestTy->getNumElements();
-      std::vector<Constant*> NZ(VL, ConstantFP::get(ElTy, -0.0));
-      Constant *CNZ = ConstantVector::get(&NZ[0], NZ.size());
-      if (CV == CNZ) {
-        SDOperand Op2 = getValue(I.getOperand(1));
-        setValue(&I, DAG.getNode(ISD::FNEG, Op2.getValueType(), Op2));
-        return;
+      if (ElTy->isFloatingPoint()) {
+        unsigned VL = DestTy->getNumElements();
+        std::vector<Constant*> NZ(VL, ConstantFP::get(ElTy, -0.0));
+        Constant *CNZ = ConstantVector::get(&NZ[0], NZ.size());
+        if (CV == CNZ) {
+          SDOperand Op2 = getValue(I.getOperand(1));
+          setValue(&I, DAG.getNode(ISD::FNEG, Op2.getValueType(), Op2));
+          return;
+        }
       }
     }
   }