If the block extractor fails, actually emit the bc file that failed to extract

llvm-svn: 15675

1 files changed, 5 insertions, 1 deletions

diff --git a/llvm/tools/bugpoint/ExtractFunction.cpp b/llvm/tools/bugpoint/ExtractFunction.cpp
index ecc2652556e..7806857f2ef 100644
--- a/llvm/tools/bugpoint/ExtractFunction.cpp
+++ b/llvm/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;
 }