standardize command line option names


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9496 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp
index 92aec7b..8d19b69 100644
--- a/lib/CodeGen/RegAllocLocal.cpp
+++ b/lib/CodeGen/RegAllocLocal.cpp
@@ -29,7 +29,7 @@
 namespace {
   Statistic<> NumSpilled ("ra-local", "Number of registers spilled");
   Statistic<> NumReloaded("ra-local", "Number of registers reloaded");
-  cl::opt<bool> DisableKill("no-kill", cl::Hidden, 
+  cl::opt<bool> DisableKill("disable-kill", cl::Hidden, 
                             cl::desc("Disable register kill in local-ra"));
 
   class RA : public MachineFunctionPass {