From: Dan Gohman <gohman@apple.com>
Date: Tue, 31 Mar 2009 16:46:45 +0000 (+0000)
Subject: Add a comment.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e1ca7c4dd5b1df27b9b1621d5d032e7ce87a9243;p=oota-llvm.git

Add a comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68111 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/utils/TableGen/CodeGenDAGPatterns.h b/utils/TableGen/CodeGenDAGPatterns.h
index 615802beeb3..f1b0d37605b 100644
--- a/utils/TableGen/CodeGenDAGPatterns.h
+++ b/utils/TableGen/CodeGenDAGPatterns.h
@@ -145,7 +145,8 @@ public:
 /// TreePatternNode objects!
 class TreePatternNode {
   /// The inferred type for this node, or EMVT::isUnknown if it hasn't
-  /// been determined yet.
+  /// been determined yet. This is a std::vector because during inference
+  /// there may be multiple possible types.
   std::vector<unsigned char> Types;
   
   /// Operator - The Record for the operator if this is an interior node (not