[llvm] [CodeGen] Make hash_value a non-friend function (NFC) (PR #137564)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/137564

We can implement hash_value with publicly available methods of Vector.


>From 732ade30801d479b279e55054fbe216a43239a66 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Sun, 27 Apr 2025 14:25:45 -0700
Subject: [PATCH] [CodeGen] Make hash_value a non-friend function (NFC)

We can implement hash_value with publicly available methods of Vector.
---
 llvm/include/llvm/CodeGen/PBQP/Math.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/llvm/include/llvm/CodeGen/PBQP/Math.h b/llvm/include/llvm/CodeGen/PBQP/Math.h
index 3dc158d9ac8b9..1cbbeeba3f32b 100644
--- a/llvm/include/llvm/CodeGen/PBQP/Math.h
+++ b/llvm/include/llvm/CodeGen/PBQP/Math.h
@@ -25,8 +25,6 @@ using PBQPNum = float;
 
 /// PBQP Vector class.
 class Vector {
-  friend hash_code hash_value(const Vector &);
-
 public:
   /// Construct a PBQP vector of the given size.
   explicit Vector(unsigned Length) : Data(Length) {}
@@ -96,7 +94,7 @@ class Vector {
 inline hash_code hash_value(const Vector &V) {
   const unsigned *VBegin = reinterpret_cast<const unsigned *>(V.begin());
   const unsigned *VEnd = reinterpret_cast<const unsigned *>(V.end());
-  return hash_combine(V.Data.size(), hash_combine_range(VBegin, VEnd));
+  return hash_combine(V.getLength(), hash_combine_range(VBegin, VEnd));
 }
 
 /// Output a textual representation of the given vector on the given