bjoernager/rust
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Rm allocation in candidate

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Instead of storing an extra array for discriminant values, create an allocation there and store
those in an allocation immediately.
This commit is contained in:
kadmin 2021-06-16 05:46:56 +00:00
parent 3e97cef7e5
commit 5d9f5145ac
14 changed files with 746 additions and 281 deletions
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3
compiler/rustc_mir_transform/src/lib.rs
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@ -3,7 +3,6 @@
#![feature(drain_filter)]
#![feature(let_chains)]
#![feature(let_else)]
#![feature(entry_insert)]
#![feature(map_try_insert)]
#![feature(min_specialization)]
#![feature(never_type)]
@ -75,6 +74,7 @@ mod function_item_references;
mod generator;
mod inline;
mod instcombine;
mod large_enums;
mod lower_intrinsics;
mod lower_slice_len;
mod match_branches;
@ -547,6 +547,7 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
tcx,
body,
&[
&large_enums::EnumSizeOpt { discrepancy: 128 },
&reveal_all::RevealAll, // has to be done before inlining, since inlined code is in RevealAll mode.
&lower_slice_len::LowerSliceLenCalls, // has to be done before inlining, otherwise actual call will be almost always inlined. Also simple, so can just do first
&unreachable_prop::UnreachablePropagation,