[llvm-branch-commits] [llvm] release/21.x: [Support][BLAKE3] Restore static on blake3_hash4_neon (#149046) (PR #149126)

[via llvm-branch-commits]

https://github.com/llvmbot created https://github.com/llvm/llvm-project/pull/149126

Backport 1754a7d5733d5305e4ec25ef0945b39d6882bb28

Requested by: @nikic

>From 21b56317c5040bcd3664c4dbed184ab78c621de8 Mon Sep 17 00:00:00 2001
From: Nikita Popov <npopov at redhat.com>
Date: Wed, 16 Jul 2025 17:49:19 +0200
Subject: [PATCH] [Support][BLAKE3] Restore static on blake3_hash4_neon
 (#149046)

This was dropped in #147948 and causes symbol conflicts if libblake3 is
also linked.

(cherry picked from commit 1754a7d5733d5305e4ec25ef0945b39d6882bb28)
---
 llvm/lib/Support/BLAKE3/blake3_neon.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/llvm/lib/Support/BLAKE3/blake3_neon.c b/llvm/lib/Support/BLAKE3/blake3_neon.c
index 9629e10836864..ee36721f87573 100644
--- a/llvm/lib/Support/BLAKE3/blake3_neon.c
+++ b/llvm/lib/Support/BLAKE3/blake3_neon.c
@@ -245,10 +245,11 @@ INLINE void load_counters4(uint64_t counter, bool increment_counter,
       counter_high(counter + (mask & 2)), counter_high(counter + (mask & 3)));
 }
 
-void blake3_hash4_neon(const uint8_t *const *inputs, size_t blocks,
-                       const uint32_t key[8], uint64_t counter,
-                       bool increment_counter, uint8_t flags,
-                       uint8_t flags_start, uint8_t flags_end, uint8_t *out) {
+static void blake3_hash4_neon(const uint8_t *const *inputs, size_t blocks,
+                              const uint32_t key[8], uint64_t counter,
+                              bool increment_counter, uint8_t flags,
+                              uint8_t flags_start, uint8_t flags_end,
+                              uint8_t *out) {
   uint32x4_t h_vecs[8] = {
       set1_128(key[0]), set1_128(key[1]), set1_128(key[2]), set1_128(key[3]),
       set1_128(key[4]), set1_128(key[5]), set1_128(key[6]), set1_128(key[7]),