llvm/test/CodeGen/AArch64/atomic-oversize.ll


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; RUN: llc -mtriple=aarch64 < %s | FileCheck %s

; Atomics larger than 128-bit are unsupported, and emit libcalls.
define void @test(ptr %a) nounwind {
; CHECK-LABEL: test:
; CHECK: bl __atomic_load
; CHECK: bl __atomic_store
  %1 = load atomic i256, ptr %a seq_cst, align 32
  store atomic i256 %1, ptr %a seq_cst, align 32
  ret void
}