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[ADT] Deprecate the redirection from SmallSet to SmallPtrSet (Take 2) #155078

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Merged
merged 2 commits into from
Aug 23, 2025
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[ADT] Deprecate the redirection from SmallSet to SmallPtrSet (Take 2) #155078

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[ADT] Deprecate the redirection from SmallSet to SmallPtrSet (Take 2)
kazutakahirata Aug 23, 2025
ca9728a
Merge branch 'main' into cleanup_20250831_SmallSet_dep
kazutakahirata Aug 23, 2025
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11 changes: 10 additions & 1 deletion llvm/include/llvm/ADT/SmallSet.h
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Original file line number Diff line number Diff line change
Expand Up @@ -268,8 +268,17 @@ class SmallSet {

/// If this set is of pointer values, transparently switch over to using
/// SmallPtrSet for performance.
///
/// We use this middleman class DeprecatedSmallSet so that the deprecation
/// warning works. Placing LLVM_DEPRECATED just before SmallSet below won't
/// work.
template <typename PointeeType, unsigned N>
class LLVM_DEPRECATED("Use SmallPtrSet instead", "SmallPtrSet")
DeprecatedSmallSet : public SmallPtrSet<PointeeType *, N> {};

template <typename PointeeType, unsigned N>
class SmallSet<PointeeType*, N> : public SmallPtrSet<PointeeType*, N> {};
class SmallSet<PointeeType *, N> : public DeprecatedSmallSet<PointeeType *, N> {
};

/// Equality comparison for SmallSet.
///
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