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[meta] Map global TransformGroup to local TransformGroup indices;

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This commit is contained in:
Benjamin Bouvier
2019-06-24 17:20:05 +02:00
parent 1e42aac41a
commit 4a6b88193e
4 changed files with 53 additions and 43 deletions
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31
cranelift/codegen/meta/src/cdsl/cpu_modes.rs
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@@ -35,37 +35,6 @@ impl CpuMode {
.is_none());
}
/// Returns a deterministically ordered, deduplicated list of TransformGroupIndex for the
/// transitive set of TransformGroup this TargetIsa uses.
pub fn transitive_transform_groups(
&self,
all_groups: &TransformGroups,
) -> Vec<TransformGroupIndex> {
let mut roots = Vec::new();
if let Some(i) = &self.default_legalize {
roots.push(*i);
}
if let Some(i) = &self.monomorphic_legalize {
roots.push(*i);
}
roots.extend(self.typed_legalize.values().cloned());
let mut set = HashSet::new();
for root in roots {
set.insert(root);
let mut base = root;
// Follow the chain of chain_with.
while let Some(chain_with) = &all_groups.get(base).chain_with {
set.insert(*chain_with);
base = *chain_with;
}
}
let mut ret = Vec::from_iter(set);
ret.sort();
ret
}
/// Returns a deterministically ordered, deduplicated list of TransformGroupIndex for the directly
/// reachable set of TransformGroup this TargetIsa uses.
pub fn direct_transform_groups(&self) -> Vec<TransformGroupIndex> {