PTX: Various stylistic and code readability changes recommended by Jim Grosbach.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140855 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PTX/PTXMCInstLower.cpp b/lib/Target/PTX/PTXMCInstLower.cpp
index cc82080..142e639 100644
--- a/lib/Target/PTX/PTXMCInstLower.cpp
+++ b/lib/Target/PTX/PTXMCInstLower.cpp
@@ -26,8 +26,7 @@
   for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
     const MachineOperand &MO = MI->getOperand(i);
     MCOperand MCOp;
-    if (AP.lowerOperand(MO, MCOp))
-      OutMI.addOperand(MCOp);
+    OutMI.addOperand(AP.lowerOperand(MO));
   }
 }