bjoernager/rust
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Use &IndexSlice instead of &IndexVec where possible

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All the same reasons as for `[T]`: more general, less pointer chasing, and `&mut IndexSlice` emphasizes that it doesn't change *length*.
This commit is contained in:
Scott McMurray 2023-03-31 00:32:44 -07:00
parent a93bcdc307
commit a2ee7592d6
42 changed files with 168 additions and 118 deletions
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6
compiler/rustc_mir_transform/src/coverage/graph.rs
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@ -5,7 +5,7 @@ use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::graph::dominators::{self, Dominators};
use rustc_data_structures::graph::{self, GraphSuccessors, WithNumNodes, WithStartNode};
use rustc_index::bit_set::BitSet;
use rustc_index::vec::IndexVec;
use rustc_index::vec::{IndexSlice, IndexVec};
use rustc_middle::mir::coverage::*;
use rustc_middle::mir::{self, BasicBlock, BasicBlockData, Terminator, TerminatorKind};
@ -176,10 +176,10 @@ impl CoverageGraph {
fn add_basic_coverage_block(
bcbs: &mut IndexVec<BasicCoverageBlock, BasicCoverageBlockData>,
bb_to_bcb: &mut IndexVec<BasicBlock, Option<BasicCoverageBlock>>,
bb_to_bcb: &mut IndexSlice<BasicBlock, Option<BasicCoverageBlock>>,
basic_blocks: Vec<BasicBlock>,
) {
let bcb = BasicCoverageBlock::from_usize(bcbs.len());
let bcb = bcbs.next_index();
for &bb in basic_blocks.iter() {
bb_to_bcb[bb] = Some(bcb);
}