diff options
Diffstat (limited to 'compiler/rustc_mir_dataflow/src/framework/engine.rs')
-rw-r--r-- | compiler/rustc_mir_dataflow/src/framework/engine.rs | 32 |
1 files changed, 2 insertions, 30 deletions
diff --git a/compiler/rustc_mir_dataflow/src/framework/engine.rs b/compiler/rustc_mir_dataflow/src/framework/engine.rs index 6ddbe69e1..91c3bf0ad 100644 --- a/compiler/rustc_mir_dataflow/src/framework/engine.rs +++ b/compiler/rustc_mir_dataflow/src/framework/engine.rs @@ -12,7 +12,6 @@ use rustc_ast as ast; use rustc_data_structures::work_queue::WorkQueue; use rustc_graphviz as dot; use rustc_hir::def_id::DefId; -use rustc_index::bit_set::BitSet; use rustc_index::vec::{Idx, IndexVec}; use rustc_middle::mir::{self, traversal, BasicBlock}; use rustc_middle::mir::{create_dump_file, dump_enabled}; @@ -78,7 +77,6 @@ where { tcx: TyCtxt<'tcx>, body: &'a mir::Body<'tcx>, - dead_unwinds: Option<&'a BitSet<BasicBlock>>, entry_sets: IndexVec<BasicBlock, A::Domain>, pass_name: Option<&'static str>, analysis: A, @@ -154,25 +152,7 @@ where bug!("`initialize_start_block` is not yet supported for backward dataflow analyses"); } - Engine { - analysis, - tcx, - body, - dead_unwinds: None, - pass_name: None, - entry_sets, - apply_trans_for_block, - } - } - - /// Signals that we do not want dataflow state to propagate across unwind edges for these - /// `BasicBlock`s. - /// - /// You must take care that `dead_unwinds` does not contain a `BasicBlock` that *can* actually - /// unwind during execution. Otherwise, your dataflow results will not be correct. - pub fn dead_unwinds(mut self, dead_unwinds: &'a BitSet<BasicBlock>) -> Self { - self.dead_unwinds = Some(dead_unwinds); - self + Engine { analysis, tcx, body, pass_name: None, entry_sets, apply_trans_for_block } } /// Adds an identifier to the graphviz output for this particular run of a dataflow analysis. @@ -190,14 +170,7 @@ where A::Domain: DebugWithContext<A>, { let Engine { - analysis, - body, - dead_unwinds, - mut entry_sets, - tcx, - apply_trans_for_block, - pass_name, - .. + analysis, body, mut entry_sets, tcx, apply_trans_for_block, pass_name, .. } = self; let mut dirty_queue: WorkQueue<BasicBlock> = WorkQueue::with_none(body.basic_blocks.len()); @@ -236,7 +209,6 @@ where &analysis, tcx, body, - dead_unwinds, &mut state, (bb, bb_data), |target: BasicBlock, state: &A::Domain| { |