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doc and move single branch match to an if let

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This commit is contained in:
Marcelo Domínguez
2025-07-15 09:56:51 +00:00
parent 466bec9029
commit 8dbd1b014a
1 changed files with 6 additions and 6 deletions
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12
compiler/rustc_codegen_llvm/src/builder/autodiff.rs
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@@ -90,12 +90,12 @@ pub(crate) fn adjust_activity_to_abi<'tcx>(
}
};
match layout.backend_repr() {
rustc_abi::BackendRepr::ScalarPair(_, _) => {
new_activities.push(da[i].clone());
new_positions.push(i + 1);
}
_ => {}
// If the argument is lowered as a `ScalarPair`, we need to duplicate its activity.
// Otherwise, the number of activities won't match the number of LLVM arguments and
// this will lead to errors when verifying the Enzyme call.
if let rustc_abi::BackendRepr::ScalarPair(_, _) = layout.backend_repr() {
new_activities.push(da[i].clone());
new_positions.push(i + 1);
}
}
// now add the extra activities coming from slices