[llvm] [AArch64] Use isStrongerThanMonotonic. NFC (PR #161866)

[Craig Topper via llvm-commits]

https://github.com/topperc created https://github.com/llvm/llvm-project/pull/161866

None

>From 308cba633db81864fb7a4d3285624daa931f3bbc Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper at sifive.com>
Date: Fri, 3 Oct 2025 08:43:57 -0700
Subject: [PATCH] [AArch64] Use isStrongerThanMonotonic. NFC

---
 llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp b/llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp
index 96cc3f3cac91c..3e55b7620ebf9 100644
--- a/llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp
+++ b/llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp
@@ -2957,9 +2957,7 @@ bool AArch64InstructionSelector::select(MachineInstr &I) {
     AtomicOrdering Order = LdSt.getMMO().getSuccessOrdering();
 
     // Need special instructions for atomics that affect ordering.
-    if (Order != AtomicOrdering::NotAtomic &&
-        Order != AtomicOrdering::Unordered &&
-        Order != AtomicOrdering::Monotonic) {
+    if (isStrongerThanMonotonic(Order)) {
       assert(!isa<GZExtLoad>(LdSt));
       assert(MemSizeInBytes <= 8 &&
              "128-bit atomics should already be custom-legalized");