Remove unused code from rustc_codegen_*

Author: est31

compiler/rustc_codegen_llvm/src/llvm/mod.rs

@@ -118,11 +118,6 @@ pub fn SetUnnamedAddress(global: &'a Value, unnamed: UnnamedAddr) {
     }
 }
 
-pub fn set_thread_local(global: &'a Value, is_thread_local: bool) {
-    unsafe {
-        LLVMSetThreadLocal(global, is_thread_local as Bool);
-    }
-}
 pub fn set_thread_local_mode(global: &'a Value, mode: ThreadLocalMode) {
     unsafe {
         LLVMSetThreadLocalMode(global, mode);

compiler/rustc_codegen_ssa/src/back/write.rs

@@ -1531,8 +1531,6 @@ fn start_executing_work<B: ExtraBackendMethods>(
     }
 }
 
-pub const CODEGEN_WORKER_ID: usize = usize::MAX;
-
 /// `FatalError` is explicitly not `Send`.
 #[must_use]
 pub struct WorkerFatalError;

compiler/rustc_codegen_ssa/src/base.rs

@@ -479,8 +479,6 @@ fn get_argc_argv<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
     }
 }
 
-pub const CODEGEN_WORKER_ID: usize = usize::MAX;
-
 pub fn codegen_crate<B: ExtraBackendMethods>(
     backend: B,
     tcx: TyCtxt<'tcx>,