describe an argument, hide it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37650 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 7028c9ebfab87f1246b7630534d69956f8c461b3..bf07fc615e8815cf0cd3d01a2199603bfc3a6af9 100644 (file)
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -32,7 +32,9 @@
 #include "llvm/Support/CommandLine.h"
 using namespace llvm;
 
-static cl::opt<bool> EnablePPCPreinc("enable-ppc-preinc");
+static cl::opt<bool> EnablePPCPreinc("enable-ppc-preinc", 
+cl::desc("enable preincrement load/store generation on PPC (experimental)"),
+                                     cl::Hidden);
 
 PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM)
   : TargetLowering(TM), PPCSubTarget(*TM.getSubtargetImpl()) {