Give better information about how the passes crash
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6532 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/OptimizerDriver.cpp b/tools/bugpoint/OptimizerDriver.cpp
index fefca73..d6beef5 100644
--- a/tools/bugpoint/OptimizerDriver.cpp
+++ b/tools/bugpoint/OptimizerDriver.cpp
@@ -133,8 +133,23 @@
if (DeleteOutput)
removeFile(OutputFilename);
- if (!Quiet) std::cout << (Status ? "Crashed!\n" : "Success!\n");
+ bool ExitedOK = WIFEXITED(Status) && WEXITSTATUS(Status) == 0;
+
+ if (!Quiet) {
+ if (ExitedOK)
+ std::cout << "Success!\n";
+ else if (WIFEXITED(Status))
+ std::cout << "Exited with error code '" << WEXITSTATUS(Status) << "'\n";
+ else if (WIFSIGNALED(Status))
+ std::cout << "Crashed with signal #" << WTERMSIG(Status) << "\n";
+#ifdef WCOREDUMP
+ else if (WCOREDUMP(Status))
+ std::cout << "Dumped core\n";
+#endif
+ else
+ std::cout << "Failed for unknown reason!\n";
+ }
// Was the child successful?
- return Status != 0;
+ return !ExitedOK;
}