[PATCH] D111451: [DenseMapInfo] Move hash_code implementation to Hashing.h

[Nikita Popov via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGc7f9505a8a03: [DenseMapInfo] Move hash_code implementation to Hashing.h (NFC) (authored by nikic).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111451/new/

https://reviews.llvm.org/D111451

Files:
  llvm/include/llvm/ADT/DenseMapInfo.h
  llvm/include/llvm/ADT/Hashing.h


Index: llvm/include/llvm/ADT/Hashing.h
===================================================================
--- llvm/include/llvm/ADT/Hashing.h
+++ llvm/include/llvm/ADT/Hashing.h
@@ -56,6 +56,7 @@
 #include <utility>
 
 namespace llvm {
+template <typename T> struct DenseMapInfo;
 
 /// An opaque object representing a hash code.
 ///
@@ -677,6 +678,13 @@
   return hash_combine_range(arg.begin(), arg.end());
 }
 
+template <> struct DenseMapInfo<hash_code> {
+  static inline hash_code getEmptyKey() { return hash_code(-1); }
+  static inline hash_code getTombstoneKey() { return hash_code(-2); }
+  static unsigned getHashValue(hash_code val) { return val; }
+  static bool isEqual(hash_code LHS, hash_code RHS) { return LHS == RHS; }
+};
+
 } // namespace llvm
 
 #endif
Index: llvm/include/llvm/ADT/DenseMapInfo.h
===================================================================
--- llvm/include/llvm/ADT/DenseMapInfo.h
+++ llvm/include/llvm/ADT/DenseMapInfo.h
@@ -13,7 +13,6 @@
 #ifndef LLVM_ADT_DENSEMAPINFO_H
 #define LLVM_ADT_DENSEMAPINFO_H
 
-#include "llvm/ADT/Hashing.h"
 #include <cassert>
 #include <cstddef>
 #include <cstdint>
@@ -283,13 +282,6 @@
   }
 };
 
-template <> struct DenseMapInfo<hash_code> {
-  static inline hash_code getEmptyKey() { return hash_code(-1); }
-  static inline hash_code getTombstoneKey() { return hash_code(-2); }
-  static unsigned getHashValue(hash_code val) { return val; }
-  static bool isEqual(hash_code LHS, hash_code RHS) { return LHS == RHS; }
-};
-
 } // end namespace llvm
 
 #endif // LLVM_ADT_DENSEMAPINFO_H


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