[clang] [clang][docs] Revise documentation for `__builtin_reduce_(max|min)`. (PR #114637)

[via cfe-commits]

https://github.com/c8ef created https://github.com/llvm/llvm-project/pull/114637

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>From 13d9d0771b666c5ba2262004f45dcbe34e6fd893 Mon Sep 17 00:00:00 2001
From: c8ef <c8ef at outlook.com>
Date: Sat, 2 Nov 2024 11:53:54 +0800
Subject: [PATCH] Update LanguageExtensions.rst

---
 clang/docs/LanguageExtensions.rst | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst
index 10232ff41da15a..b7676bab623ef8 100644
--- a/clang/docs/LanguageExtensions.rst
+++ b/clang/docs/LanguageExtensions.rst
@@ -745,12 +745,8 @@ Let ``VT`` be a vector type and ``ET`` the element type of ``VT``.
 ======================================= ====================================================================== ==================================
          Name                            Operation                                                              Supported element types
 ======================================= ====================================================================== ==================================
- ET __builtin_reduce_max(VT a)           return x or y, whichever is larger; If exactly one argument is         integer and floating point types
-                                         a NaN, return the other argument. If both arguments are NaNs,
-                                         fmax() return a NaN.
- ET __builtin_reduce_min(VT a)           return x or y, whichever is smaller; If exactly one argument           integer and floating point types
-                                         is a NaN, return the other argument. If both arguments are
-                                         NaNs, fmax() return a NaN.
+ ET __builtin_reduce_max(VT a)           return the largest element of the vector.                              integer and floating point types
+ ET __builtin_reduce_min(VT a)           return the smallest element of the vector.                             integer and floating point types
  ET __builtin_reduce_add(VT a)           \+                                                                     integer types
  ET __builtin_reduce_mul(VT a)           \*                                                                     integer types
  ET __builtin_reduce_and(VT a)           &                                                                      integer types