Implement optimize(size) and optimize(speed)

1 files changed, 3 insertions, 2 deletions

diff --git a/src/librustc_codegen_ssa/traits/backend.rs b/src/librustc_codegen_ssa/traits/backend.rs
index 8c026059dc4..73c7614d913 100644
--- a/src/librustc_codegen_ssa/traits/backend.rs
+++ b/src/librustc_codegen_ssa/traits/backend.rs
@@ -6,7 +6,7 @@ use super::CodegenObject;
 use rustc::middle::allocator::AllocatorKind;
 use rustc::middle::cstore::EncodedMetadata;
 use rustc::mir::mono::Stats;
-use rustc::session::Session;
+use rustc::session::{Session, config};
 use rustc::ty::TyCtxt;
 use rustc_codegen_utils::codegen_backend::CodegenBackend;
 use std::sync::Arc;
@@ -32,7 +32,7 @@ impl<'tcx, T> Backend<'tcx> for T where
 }
 
 pub trait ExtraBackendMethods: CodegenBackend + WriteBackendMethods + Sized + Send {
-    fn new_metadata(&self, sess: &Session, mod_name: &str) -> Self::Module;
+    fn new_metadata(&self, sess: TyCtxt, mod_name: &str) -> Self::Module;
     fn write_metadata<'b, 'gcx>(
         &self,
         tcx: TyCtxt<'b, 'gcx, 'gcx>,
@@ -50,6 +50,7 @@ pub trait ExtraBackendMethods: CodegenBackend + WriteBackendMethods + Sized + Se
     fn target_machine_factory(
         &self,
         sess: &Session,
+        opt_level: config::OptLevel,
         find_features: bool,
     ) -> Arc<dyn Fn() -> Result<Self::TargetMachine, String> + Send + Sync>;
     fn target_cpu<'b>(&self, sess: &'b Session) -> &'b str;