Point people to ConstantExpr and ConstantFolding,

in case they get the wrong idea.  Fit in 80 columns.

llvm-svn: 54676

1 files changed, 4 insertions, 2 deletions

diff --git a/llvm/include/llvm/Support/ConstantFolder.h b/llvm/include/llvm/Support/ConstantFolder.h
index 8c36e8bb506..1d693eee1be 100644
--- a/llvm/include/llvm/Support/ConstantFolder.h
+++ b/llvm/include/llvm/Support/ConstantFolder.h
@@ -7,8 +7,10 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file defines the ConstantFolder class, which provides a set of methods
-// for creating constants, with minimal folding.
+// This file defines the ConstantFolder class, a helper for IRBuilder.
+// It provides IRBuilder with a set of methods for creating constants
+// with minimal folding.  For general constant creation and folding,
+// use ConstantExpr and the routines in llvm/Analysis/ConstantFolding.h.
 //
 //===----------------------------------------------------------------------===//