IR: Set -preserve-bc-uselistorder=false by default

[oota-llvm.git] / lib / LTO / LTOCodeGenerator.cpp

diff --git a/lib/LTO/LTOCodeGenerator.cpp b/lib/LTO/LTOCodeGenerator.cpp
index 2bcdc27e9658aa0af1d165f2cbbba0090979185c..345b22463889d6626f65699634c6d365e87bdb03 100644 (file)
--- a/lib/LTO/LTOCodeGenerator.cpp
+++ b/lib/LTO/LTOCodeGenerator.cpp
@@ -29,6 +29,7 @@
 #include "llvm/IR/LegacyPassManager.h"
 #include "llvm/IR/Mangler.h"
 #include "llvm/IR/Module.h"
+#include "llvm/IR/UseListOrder.h"
 #include "llvm/IR/Verifier.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/LTO/LTOModule.h"
@@ -603,6 +604,10 @@ void LTOCodeGenerator::setCodeGenDebugOptions(const char *options) {
 }
 
 void LTOCodeGenerator::parseCodeGenDebugOptions() {
+  // Turn on -preserve-bc-uselistorder by default, but let the command-line
+  // override it.
+  setPreserveBitcodeUseListOrder(true);
+
   // if options were requested, set them
   if (!CodegenOptions.empty())
     cl::ParseCommandLineOptions(CodegenOptions.size(),