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Change Successors to impl Iterator<Item = BasicBlock>

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This commit is contained in:
SparrowLii 2022-05-17 08:41:01 +08:00
parent 56d540e057
commit 38bf1158bd
18 changed files with 54 additions and 55 deletions
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6
compiler/rustc_mir_transform/src/simplify.rs
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@ -81,7 +81,7 @@ impl<'a, 'tcx> CfgSimplifier<'a, 'tcx> {
for (_, data) in traversal::preorder(body) {
if let Some(ref term) = data.terminator {
for &tgt in term.successors() {
for tgt in term.successors() {
pred_count[tgt] += 1;
}
}
@ -235,8 +235,8 @@ impl<'a, 'tcx> CfgSimplifier<'a, 'tcx> {
};
let first_succ = {
if let Some(&first_succ) = terminator.successors().next() {
if terminator.successors().all(|s| *s == first_succ) {
if let Some(first_succ) = terminator.successors().next() {
if terminator.successors().all(|s| s == first_succ) {
let count = terminator.successors().count();
self.pred_count[first_succ] -= (count - 1) as u32;
first_succ