Merge commit 'e9d1a0a7b0b28dd422f1a790ccde532acafbf193' into sync_cg_clif-2022-08-24

compiler/rustc_codegen_cranelift/src/optimize/mod.rs

@@ -1,20 +1,3 @@
 //! Various optimizations specific to cg_clif
 
-use cranelift_codegen::isa::TargetIsa;
-
-use crate::prelude::*;
-
 pub(crate) mod peephole;
-
-pub(crate) fn optimize_function<'tcx>(
-    tcx: TyCtxt<'tcx>,
-    isa: &dyn TargetIsa,
-    instance: Instance<'tcx>,
-    ctx: &mut Context,
-    clif_comments: &mut crate::pretty_clif::CommentWriter,
-) {
-    // FIXME classify optimizations over opt levels once we have more
-
-    crate::pretty_clif::write_clif_file(tcx, "preopt", isa, instance, &ctx.func, &*clif_comments);
-    crate::base::verify_func(tcx, &*clif_comments, &ctx.func);
-}