Check for (unlikely) errors from FindExecutable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117658 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/OptimizerDriver.cpp b/tools/bugpoint/OptimizerDriver.cpp
index 131bc99..178b1ff 100644
--- a/tools/bugpoint/OptimizerDriver.cpp
+++ b/tools/bugpoint/OptimizerDriver.cpp
@@ -143,11 +143,18 @@
InFile.os().clear_error();
return 1;
}
+
+ sys::Path tool = FindExecutable("opt", getToolName(), (void*)"opt");
+ if (tool.empty()) {
+ errs() << "Cannot find `opt' in executable directory!\n";
+ return 1;
+ }
+
+ // Ok, everything that could go wrong before running opt is done.
InFile.keep();
// setup the child process' arguments
SmallVector<const char*, 8> Args;
- sys::Path tool = FindExecutable("opt", getToolName(), (void*)"opt");
std::string Opt = tool.str();
if (UseValgrind) {
Args.push_back("valgrind");