Change -1 => negative number.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63935 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Target/TargetRegisterInfo.h b/include/llvm/Target/TargetRegisterInfo.h
index 3b452573fc0e3c36957dfd10ffe0bc8b570c4e5d..10359ec6374b52c79598852123a10b1831e62579 100644 (file)
--- a/include/llvm/Target/TargetRegisterInfo.h
+++ b/include/llvm/Target/TargetRegisterInfo.h
@@ -202,8 +202,8 @@ public:
   unsigned getAlignment() const { return Alignment; }
 
   /// getCopyCost - Return the cost of copying a value between two registers in
-  /// this class. -1 means the register class is very expensive to copy e.g.
-  /// status flag register classes.
+  /// this class. A negative number means the register class is very expensive
+  /// to copy e.g. status flag register classes.
   int getCopyCost() const { return CopyCost; }
 };