[AArch64] Use isStrongerThanMonotonic. NFC

[topperc]

No description provided.

[llvmbot]

@llvm/pr-subscribers-backend-aarch64

Author: Craig Topper (topperc)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/161866.diff

1 Files Affected:

• (modified) llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp (+1-3)

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");