llvm/test/Assembler/cmpxchg-ordering-4.ll


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; RUN: not llvm-as < %s 2>&1 | FileCheck %s

define void @f(ptr %a, i32 %b, i32 %c) {
; CHECK: invalid cmpxchg failure ordering
  %x = cmpxchg ptr %a, i32 %b, i32 %c acq_rel release
  ret void
}