make flag name more specific to gvn [NFC]

llvm-svn: 341836

diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index 95c35adb8f5bbe3de3f01bfbaae1310584948a70..7486d5f0df5b97a1e1bdf50dada6a150107af020 100644 (file)
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -102,8 +102,8 @@ static cl::opt<bool> EnableMemDep("enable-gvn-memdep", cl::init(true));
 
 // Maximum allowed recursion depth.
 static cl::opt<uint32_t>
-MaxRecurseDepth("max-recurse-depth", cl::Hidden, cl::init(1000), cl::ZeroOrMore,
-                cl::desc("Max recurse depth (default = 1000)"));
+MaxRecurseDepth("gvn-max-recurse-depth", cl::Hidden, cl::init(1000), cl::ZeroOrMore,
+                cl::desc("Max recurse depth in GVN (default = 1000)"));
 
 struct llvm::GVN::Expression {
   uint32_t opcode;