bjoernager/rust
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Cache dominators.

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This commit is contained in:
Camille GILLOT 2023-05-04 16:26:09 +00:00
parent aa1267f630
commit 6f271dc49c
6 changed files with 19 additions and 19 deletions
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7
compiler/rustc_mir_transform/src/ssa.rs
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@ -68,8 +68,11 @@ impl SsaLocals {
let assignment_order = Vec::with_capacity(body.local_decls.len());
let assignments = IndexVec::from_elem(Set1::Empty, &body.local_decls);
let dominators =
if body.basic_blocks.len() > 2 { Some(body.basic_blocks.dominators()) } else { None };
let dominators = if body.basic_blocks.len() > 2 {
Some(body.basic_blocks.dominators().clone())
} else {
None
};
let dominators = SmallDominators { inner: dominators };
let direct_uses = IndexVec::from_elem(0, &body.local_decls);