Changing command-line option formats to be more consistent with LLVM style.

llvm-svn: 7658
diff --git a/llvm/lib/Target/Sparc/Sparc.cpp b/llvm/lib/Target/Sparc/Sparc.cpp
index 8a75642..4656d6d 100644
--- a/llvm/lib/Target/Sparc/Sparc.cpp
+++ b/llvm/lib/Target/Sparc/Sparc.cpp
@@ -38,13 +38,13 @@
 // Command line options to control choice of code generation passes.
 //---------------------------------------------------------------------------
 
-static cl::opt<bool> DisablePreOpt("nopreopt",
+static cl::opt<bool> DisablePreOpt("disable-preopt",
               cl::desc("Disable optimizations prior to instruction selection"));
 
-static cl::opt<bool> DisableSched("nosched",
+static cl::opt<bool> DisableSched("disable-sched",
                                   cl::desc("Disable local scheduling pass"));
 
-static cl::opt<bool> DisablePeephole("nopeephole",
+static cl::opt<bool> DisablePeephole("disable-peephole",
                                 cl::desc("Disable peephole optimization pass"));
 
 static cl::opt<bool>