Add save-temps option to bugpoint to keep temporary stuff.
Patch by Sandeep Patel

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78183 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/ExecutionDriver.cpp b/tools/bugpoint/ExecutionDriver.cpp
index 4122c95..ceaf8f4 100644
--- a/tools/bugpoint/ExecutionDriver.cpp
+++ b/tools/bugpoint/ExecutionDriver.cpp
@@ -288,7 +288,7 @@
   }
 
     // Remove the temporary bitcode file when we are done.
-  FileRemover BitcodeFileRemover(BitcodeFile);
+  FileRemover BitcodeFileRemover(BitcodeFile, !SaveTemps);
 
   // Actually compile the program!
   Interpreter->compileProgram(BitcodeFile.toString());
@@ -328,7 +328,7 @@
 
   // Remove the temporary bitcode file when we are done.
   sys::Path BitcodePath (BitcodeFile);
-  FileRemover BitcodeFileRemover(BitcodePath, CreatedBitcode);
+  FileRemover BitcodeFileRemover(BitcodePath, CreatedBitcode && !SaveTemps);
 
   if (OutputFile.empty()) OutputFile = "bugpoint-execution-output";