From 47dc8fd67ae7b278cfea3c83e93da571fe795792 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Wed, 21 Jul 2010 21:18:37 +0000
Subject: Add some debug output to help diagnose PR7689.

llvm-svn: 109036
---
 llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')

diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index 64c2dfa..f594e0f 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -897,6 +897,9 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
       Record.push_back(VE.getValueID(BA->getFunction()));
       Record.push_back(VE.getGlobalBasicBlockID(BA->getBasicBlock()));
     } else {
+#ifndef NDEBUG
+      C->dump();
+#endif
       llvm_unreachable("Unknown constant!");
     }
     Stream.EmitRecord(Code, Record, AbbrevToUse);
-- 
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