1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
//! Various optimizations specific to cg_clif
use crate::prelude::*;
mod code_layout;
pub(crate) mod peephole;
mod stack2reg;
pub(crate) fn optimize_function<'tcx>(
tcx: TyCtxt<'tcx>,
instance: Instance<'tcx>,
ctx: &mut Context,
cold_blocks: &EntitySet<Block>,
clif_comments: &mut crate::pretty_clif::CommentWriter,
) {
// The code_layout optimization is very cheap.
self::code_layout::optimize_function(ctx, cold_blocks);
if tcx.sess.opts.optimize == rustc_session::config::OptLevel::No {
return; // FIXME classify optimizations over opt levels
}
self::stack2reg::optimize_function(ctx, clif_comments);
crate::pretty_clif::write_clif_file(tcx, "stack2reg", None, instance, &ctx, &*clif_comments);
crate::base::verify_func(tcx, &*clif_comments, &ctx.func);
}
|
