Add -sil-print-module-on-error

Author: meg-gupta

lib/SIL/Utils/PrettyStackTrace.cpp

@@ -28,6 +28,10 @@ llvm::cl::opt<bool>
 SILPrintOnError("sil-print-on-error", llvm::cl::init(false),
                 llvm::cl::desc("Printing SIL function bodies in crash diagnostics."));
 
+llvm::cl::opt<bool> SILPrintModuleOnError(
+    "sil-print-module-on-error", llvm::cl::init(false),
+    llvm::cl::desc("Printing SIL module in crash diagnostics."));
+
 static void printLocationDescription(llvm::raw_ostream &out,
                                          SILLocation::FilenameAndLocation loc,
                                          ASTContext &Context) {
@@ -91,6 +95,8 @@ void PrettyStackTraceSILFunction::printFunctionInfo(llvm::raw_ostream &out) cons
   }
   if (SILPrintOnError)
     func->print(out);
+  if (SILPrintModuleOnError)
+    func->getModule().print(out);
 }
 
 void PrettyStackTraceSILNode::print(llvm::raw_ostream &out) const {