[ORC] Use CodeGenOpt::Default as the default level in JITTargetMachineBuilder.

This matches EngineBuilder/MCJIT's default.

diff --git a/llvm/include/llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h b/llvm/include/llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h
index 4f2f557..3b6becd 100644 (file)
--- a/llvm/include/llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h
@@ -143,7 +143,7 @@ private:
   TargetOptions Options;
   Optional<Reloc::Model> RM;
   Optional<CodeModel::Model> CM;
-  CodeGenOpt::Level OptLevel = CodeGenOpt::None;
+  CodeGenOpt::Level OptLevel = CodeGenOpt::Default;
 };
 
 } // end namespace orc