There are two ways of checking for a given type, for example isa<PointerType>(T)
and T->isPointerTy().  Convert most instances of the first form to the second form.
Requested by Chris.

llvm-svn: 96344
diff --git a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
index 56dd533..badf34e 100644
--- a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -72,7 +72,7 @@
     } else {
       return V;
     }
-    assert(isa<IntegerType>(V->getType()) && "Unexpected operand type!");
+    assert(V->getType()->isIntegerTy() && "Unexpected operand type!");
   } while (1);
 }
 
@@ -87,7 +87,7 @@
       break;
     const Value *O = getUnderlyingObjectFromInt(cast<User>(V)->getOperand(0));
     // If that succeeded in finding a pointer, continue the search.
-    if (!isa<PointerType>(O->getType()))
+    if (!O->getType()->isPointerTy())
       break;
     V = O;
   } while (1);