From 781f359c1a7f590c4f8828ad9d542606c3a0ee12 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 17 Feb 2010 06:47:35 +0000
Subject: [PATCH] improve comments, the matcher is now feature complete, on to
 codegen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96464 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/DAGISelMatcherEmitter.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/utils/TableGen/DAGISelMatcherEmitter.cpp b/utils/TableGen/DAGISelMatcherEmitter.cpp
index 8e29c471723..c284761de8e 100644
--- a/utils/TableGen/DAGISelMatcherEmitter.cpp
+++ b/utils/TableGen/DAGISelMatcherEmitter.cpp
@@ -186,7 +186,11 @@ EmitMatcher(const MatcherNode *N, unsigned Indent) {
     const ComplexPattern &Pattern =
       cast<CheckComplexPatMatcherNode>(N)->getPattern();
     OS << "OPC_CheckComplexPat, " << getComplexPat(Pattern) << ',';
-    OS.PadToColumn(CommentIndent) << "// " << Pattern.getSelectFunc() << '\n';
+    OS.PadToColumn(CommentIndent) << "// " << Pattern.getSelectFunc();
+    OS << ": " << Pattern.getNumOperands() << " operands";
+    if (Pattern.hasProperty(SDNPHasChain))
+      OS << " + chain result and input";
+    OS << '\n';
     return 2;
   }