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Update passes with new interface

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This commit is contained in:
Dylan MacKenzie
2021-12-02 09:17:32 -08:00
parent c1a501b131
commit fd18b45e11
32 changed files with 142 additions and 99 deletions
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12
compiler/rustc_mir_transform/src/unreachable_prop.rs
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@@ -11,13 +11,13 @@ use rustc_middle::ty::TyCtxt;
pub struct UnreachablePropagation;
impl MirPass<'_> for UnreachablePropagation {
fn run_pass<'tcx>(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
if tcx.sess.mir_opt_level() < 4 {
// Enable only under -Zmir-opt-level=4 as in some cases (check the deeply-nested-opt
// perf benchmark) LLVM may spend quite a lot of time optimizing the generated code.
return;
}
fn is_enabled(&self, sess: &rustc_session::Session) -> bool {
// Enable only under -Zmir-opt-level=4 as in some cases (check the deeply-nested-opt
// perf benchmark) LLVM may spend quite a lot of time optimizing the generated code.
sess.mir_opt_level() >= 4
}
fn run_pass<'tcx>(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
let mut unreachable_blocks = FxHashSet::default();
let mut replacements = FxHashMap::default();