Remove likely! and unlikely! macro from compiler

compiler/rustc_data_structures/src/lib.rs

@@ -11,7 +11,6 @@
 #![feature(associated_type_bounds)]
 #![feature(auto_traits)]
 #![feature(control_flow_enum)]
-#![feature(core_intrinsics)]
 #![feature(extend_one)]
 #![feature(let_else)]
 #![feature(hash_raw_entry)]
@@ -44,26 +43,6 @@ pub fn cold_path<F: FnOnce() -> R, R>(f: F) -> R {
     f()
 }
 
-#[macro_export]
-macro_rules! likely {
-    ($e:expr) => {
-        match $e {
-            #[allow(unused_unsafe)]
-            e => unsafe { std::intrinsics::likely(e) },
-        }
-    };
-}
-
-#[macro_export]
-macro_rules! unlikely {
-    ($e:expr) => {
-        match $e {
-            #[allow(unused_unsafe)]
-            e => unsafe { std::intrinsics::unlikely(e) },
-        }
-    };
-}
-
 pub mod base_n;
 pub mod binary_search_util;
 pub mod captures;

compiler/rustc_data_structures/src/profiling.rs

@@ -195,6 +195,7 @@ impl SelfProfilerRef {
         F: for<'a> FnOnce(&'a SelfProfiler) -> TimingGuard<'a>,
     {
         #[inline(never)]
+        #[cold]
         fn cold_call<F>(profiler_ref: &SelfProfilerRef, f: F) -> TimingGuard<'_>
         where
             F: for<'a> FnOnce(&'a SelfProfiler) -> TimingGuard<'a>,
@@ -203,7 +204,7 @@ impl SelfProfilerRef {
             f(&**profiler)
         }
 
-        if unlikely!(self.event_filter_mask.contains(event_filter)) {
+        if self.event_filter_mask.contains(event_filter) {
             cold_call(self, f)
         } else {
             TimingGuard::none()