From: Chris Lattner <sabre@nondot.org>
Date: Fri, 16 Jun 2006 18:25:06 +0000 (+0000)
Subject: Improve a comment.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8f60d54fb13191942e6fea832a2aed8338a86fc8;p=oota-llvm.git

Improve a comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28833 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp
index 73e639db65a..c46b0883aef 100644
--- a/utils/TableGen/DAGISelEmitter.cpp
+++ b/utils/TableGen/DAGISelEmitter.cpp
@@ -145,7 +145,7 @@ bool SDTypeConstraint::ApplyTypeConstraint(TreePatternNode *N,
   assert(NumResults <= 1 &&
          "We only work with nodes with zero or one result so far!");
   
-  // Check that the number of operands is sane.
+  // Check that the number of operands is sane.  Negative operands -> varargs.
   if (NodeInfo.getNumOperands() >= 0) {
     if (N->getNumChildren() != (unsigned)NodeInfo.getNumOperands())
       TP.error(N->getOperator()->getName() + " node requires exactly " +