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Specify that method only applies statement effects.

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This commit is contained in:
Camille GILLOT 2023-05-27 17:11:59 +00:00
parent aa697f599e
commit 7ded3409b8
2 changed files with 14 additions and 9 deletions
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6
compiler/rustc_mir_dataflow/src/framework/direction.rs
View File

@ -33,7 +33,7 @@ pub trait Direction {
where
A: Analysis<'tcx>;
fn gen_kill_effects_in_block<'tcx, A>(
fn gen_kill_statement_effects_in_block<'tcx, A>(
analysis: &mut A,
trans: &mut GenKillSet<A::Idx>,
block: BasicBlock,
@ -93,7 +93,7 @@ impl Direction for Backward {
edges
}
fn gen_kill_effects_in_block<'tcx, A>(
fn gen_kill_statement_effects_in_block<'tcx, A>(
analysis: &mut A,
trans: &mut GenKillSet<A::Idx>,
block: BasicBlock,
@ -350,7 +350,7 @@ impl Direction for Forward {
analysis.apply_terminator_effect(state, terminator, location)
}
fn gen_kill_effects_in_block<'tcx, A>(
fn gen_kill_statement_effects_in_block<'tcx, A>(
analysis: &mut A,
trans: &mut GenKillSet<A::Idx>,
block: BasicBlock,

17
compiler/rustc_mir_dataflow/src/framework/engine.rs
View File

@ -144,7 +144,7 @@ where
// gen/kill problems on cyclic CFGs. This is not ideal, but it doesn't seem to degrade
// performance in practice. I've tried a few ways to avoid this, but they have downsides. See
// the message for the commit that added this FIXME for more information.
apply_trans_for_block: Option<Box<dyn Fn(BasicBlock, &mut A::Domain)>>,
apply_statement_trans_for_block: Option<Box<dyn Fn(BasicBlock, &mut A::Domain)>>,
}
impl<'a, 'tcx, A, D, T> Engine<'a, 'tcx, A>
@ -170,7 +170,12 @@ where
for (block, block_data) in body.basic_blocks.iter_enumerated() {
let trans = &mut trans_for_block[block];
A::Direction::gen_kill_effects_in_block(&mut analysis, trans, block, block_data);
A::Direction::gen_kill_statement_effects_in_block(
&mut analysis,
trans,
block,
block_data,
);
}
let apply_trans = Box::new(move |bb: BasicBlock, state: &mut A::Domain| {
@ -199,7 +204,7 @@ where
tcx: TyCtxt<'tcx>,
body: &'a mir::Body<'tcx>,
analysis: A,
apply_trans_for_block: Option<Box<dyn Fn(BasicBlock, &mut A::Domain)>>,
apply_statement_trans_for_block: Option<Box<dyn Fn(BasicBlock, &mut A::Domain)>>,
) -> Self {
let mut entry_sets =
IndexVec::from_fn_n(|_| analysis.bottom_value(body), body.basic_blocks.len());
@ -210,7 +215,7 @@ where
bug!("`initialize_start_block` is not yet supported for backward dataflow analyses");
}
Engine { analysis, tcx, body, pass_name: None, entry_sets, apply_trans_for_block }
Engine { analysis, tcx, body, pass_name: None, entry_sets, apply_statement_trans_for_block }
}
/// Adds an identifier to the graphviz output for this particular run of a dataflow analysis.
@ -232,7 +237,7 @@ where
body,
mut entry_sets,
tcx,
apply_trans_for_block,
apply_statement_trans_for_block,
pass_name,
..
} = self;
@ -269,7 +274,7 @@ where
&mut state,
bb,
bb_data,
apply_trans_for_block.as_deref(),
apply_statement_trans_for_block.as_deref(),
);
A::Direction::join_state_into_successors_of(