[RegAlloc][NFC] Fix the help string of the option "huge-size-for-split".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337402 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index f84874a8b852b0770b58d06c5bb49e23453815bd..3333e1f2fb8b1ddd674a99f77a8601387b60f0a7 100644 (file)
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -127,7 +127,8 @@ static cl::opt<bool> EnableDeferredSpilling(
 
 static cl::opt<unsigned>
     HugeSizeForSplit("huge-size-for-split", cl::Hidden,
-                     cl::desc("Last chance recoloring max depth"),
+                     cl::desc("A threshold of live range size which may cause "
+                              "high compile time cost in global splitting."),
                      cl::init(5000));
 
 // FIXME: Find a good default for this flag and remove the flag.