[llvm] r197458 - Make comment more explicit.

[Jim Grosbach]

Author: grosbach
Date: Mon Dec 16 20:18:02 2013
New Revision: 197458

URL: http://llvm.org/viewvc/llvm-project?rev=197458&view=rev
Log:
Make comment more explicit.

Re-reading the comment I updated in previous commit, it's better to make
it more explicit and avoid ambiguity more effectively.

Modified:
    llvm/trunk/lib/CodeGen/RegisterClassInfo.cpp

Modified: llvm/trunk/lib/CodeGen/RegisterClassInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegisterClassInfo.cpp?rev=197458&r1=197457&r2=197458&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegisterClassInfo.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegisterClassInfo.cpp Mon Dec 16 20:18:02 2013
@@ -8,9 +8,9 @@
 //===----------------------------------------------------------------------===//
 //
 // This file implements the RegisterClassInfo class which provides dynamic
-// information about target register classes. Callee saved and preserved
-// registers depends on calling conventions and other dynamic information, so
-// some things cannot be determined statically.
+// information about target register classes. Callee-saved vs. caller-saved and
+// reserved registers depend on calling conventions and other dynamic
+// information, so some things cannot be determined statically.
 //
 //===----------------------------------------------------------------------===//