ptx: fix lint and compiler warnings

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126838 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PTX/PTXAsmPrinter.cpp b/lib/Target/PTX/PTXAsmPrinter.cpp
index 2249d86..1313403 100644
--- a/lib/Target/PTX/PTXAsmPrinter.cpp
+++ b/lib/Target/PTX/PTXAsmPrinter.cpp
@@ -361,7 +361,8 @@
       unsigned cnt = 0;
       //for (int i = 0, e = MFI->getNumArg(); i != e; ++i) {
       for(PTXMachineFunctionInfo::reg_reverse_iterator
-          i = MFI->argRegReverseBegin(), e = MFI->argRegReverseEnd(), b = i; i != e; ++i) {
+          i = MFI->argRegReverseBegin(), e = MFI->argRegReverseEnd(), b = i;
+          i != e; ++i) {
         reg = *i;
         assert(reg != PTX::NoRegister && "Not a valid register!");
         if (i != b)
@@ -374,7 +375,8 @@
       }
     } else {
       for (PTXMachineFunctionInfo::reg_reverse_iterator
-           i = MFI->argRegReverseBegin(), e = MFI->argRegReverseEnd(), b = i; i != e; ++i) {
+           i = MFI->argRegReverseBegin(), e = MFI->argRegReverseEnd(), b = i;
+           i != e; ++i) {
         reg = *i;
         assert(reg != PTX::NoRegister && "Not a valid register!");
         if (i != b)