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Fix clippy warnings.

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This commit fixes the current set of (stable) clippy warnings in the repo.
This commit is contained in:
Peter Huene
2019-10-23 23:15:42 -07:00
committed by Andrew Brown
parent 1176e4f178
commit 9f506692c2
93 changed files with 667 additions and 662 deletions
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9
cranelift/codegen/src/regalloc/branch_splitting.rs
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@@ -96,7 +96,7 @@ impl<'a> Context<'a> {
let dfg = &mut self.cur.func.dfg;
let old_args: Vec<_> = {
let args = dfg[branch].take_value_list().expect("ebb parameters");
args.as_slice(&dfg.value_lists).iter().map(|x| *x).collect()
args.as_slice(&dfg.value_lists).iter().copied().collect()
};
let (branch_args, ebb_params) = old_args.split_at(num_fixed);
@@ -159,16 +159,13 @@ impl<'a> Context<'a> {
/// Returns whether we should introduce a new branch.
fn should_split_edge(&self, target: Ebb) -> bool {
// We should split the edge if the target has any parameters.
if self.cur.func.dfg.ebb_params(target).len() > 0 {
if !self.cur.func.dfg.ebb_params(target).is_empty() {
return true;
};
// Or, if the target has more than one block reaching it.
debug_assert!(self.cfg.pred_iter(target).next() != None);
if let Some(_) = self.cfg.pred_iter(target).skip(1).next() {
return true;
};
false
self.cfg.pred_iter(target).nth(1).is_some()
}
}