[llvm] [Support] Use block numbers for DomTree construction (PR #101706)
Jakub Kuderski via llvm-commits
llvm-commits at lists.llvm.org
Tue Aug 6 07:25:36 PDT 2024
================
@@ -80,6 +81,16 @@ struct GraphTraits {
using NodeRef = typename GraphType::UnknownGraphTypeError;
};
+namespace detail {
+template <typename T>
+using has_number_t = decltype(GraphTraits<T>::getNumber(std::declval<T>()));
+} // namespace detail
+
+/// Indicate whether a GraphTraits<NodeT>::getNumber() is supported.
+template <typename NodeT>
+constexpr bool GraphHasNodeNumbers =
+ is_detected<detail::has_number_t, NodeT>::value;
----------------
kuhar wrote:
If this has a single user in the codebase, is it worth putting it in GraphTraits instead of GenericDomTreeConstruction?
https://github.com/llvm/llvm-project/pull/101706
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