update the backend, cg_ssa and cg_llvm

Author: ZuseZ4

Cargo.lock

@@ -4261,6 +4261,7 @@ dependencies = [
 name = "rustc_monomorphize"
 version = "0.0.0"
 dependencies = [
+ "rustc_ast",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_fluent_macro",
@@ -4269,6 +4270,7 @@ dependencies = [
  "rustc_middle",
  "rustc_session",
  "rustc_span",
+ "rustc_symbol_mangling",
  "rustc_target",
  "serde",
  "serde_json",

compiler/rustc_codegen_llvm/src/attributes.rs

@@ -294,6 +294,7 @@ pub fn from_fn_attrs<'ll, 'tcx>(
     instance: ty::Instance<'tcx>,
 ) {
     let codegen_fn_attrs = cx.tcx.codegen_fn_attrs(instance.def_id());
+    let autodiff_attrs = cx.tcx.autodiff_attrs(instance.def_id());
 
     let mut to_add = SmallVec::<[_; 16]>::new();
 
@@ -311,6 +312,8 @@ pub fn from_fn_attrs<'ll, 'tcx>(
     let inline =
         if codegen_fn_attrs.inline == InlineAttr::None && instance.def.requires_inline(cx.tcx) {
             InlineAttr::Hint
+        } else if autodiff_attrs.is_active() {
+            InlineAttr::Never
         } else {
             codegen_fn_attrs.inline
         };

compiler/rustc_codegen_llvm/src/back/lto.rs

@@ -714,7 +714,7 @@ pub unsafe fn optimize_thin_module(
     let llcx = llvm::LLVMRustContextCreate(cgcx.fewer_names);
     let llmod_raw = parse_module(llcx, module_name, thin_module.data(), &dcx)? as *const _;
     let mut module = ModuleCodegen {
-        module_llvm: ModuleLlvm { llmod_raw, llcx, tm: ManuallyDrop::new(tm) },
+        module_llvm: ModuleLlvm { llmod_raw, llcx, tm: ManuallyDrop::new(tm), typetrees: Default::default() },
         name: thin_module.name().to_string(),
         kind: ModuleKind::Regular,
     };