From 891150f0b2a124a75c9f31516182ce864ae69ef8 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 12 Aug 2004 02:36:50 +0000
Subject: [PATCH] If the block extractor fails, actually emit the bc file that
 failed to extract

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15675 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/bugpoint/ExtractFunction.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/bugpoint/ExtractFunction.cpp b/tools/bugpoint/ExtractFunction.cpp
index ecc2652556e..7806857f2ef 100644
--- a/tools/bugpoint/ExtractFunction.cpp
+++ b/tools/bugpoint/ExtractFunction.cpp
@@ -262,7 +262,11 @@ Module *BugDriver::ExtractMappedBlocksFromModule(const
   PI.push_back(getPI(new BlockExtractorPass()));
   Module *Ret = runPassesOn(M, PI);
   BlocksToNotExtract.clear();
-  if (Ret == 0)
+  if (Ret == 0) {
     std::cout << "*** Basic Block extraction failed, please report a bug!\n";
+    M = swapProgramIn(M);
+    EmitProgressBytecode("basicblockextractfail", true);
+    M = swapProgramIn(M);
+  }
   return Ret;
 }