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      1 ; RUN: llvm-dis < %s.bc | FileCheck %s
      2 
      3 ; cmpxchg-upgrade.ll.bc was produced by running a version of llvm-as from just
      4 ; before the IR change on this file.
      5 
      6 define void @test(i32* %addr) {
      7    cmpxchg i32* %addr, i32 42, i32 0 monotonic
      8 ; CHECK: cmpxchg i32* %addr, i32 42, i32 0 monotonic monotonic
      9 
     10    cmpxchg i32* %addr, i32 42, i32 0 acquire
     11 ; CHECK: cmpxchg i32* %addr, i32 42, i32 0 acquire acquire
     12 
     13    cmpxchg i32* %addr, i32 42, i32 0 release
     14 ; CHECK: cmpxchg i32* %addr, i32 42, i32 0 release monotonic
     15 
     16    cmpxchg i32* %addr, i32 42, i32 0 acq_rel
     17 ; CHECK: cmpxchg i32* %addr, i32 42, i32 0 acq_rel acquire
     18 
     19    cmpxchg i32* %addr, i32 42, i32 0 seq_cst
     20 ; CHECK: cmpxchg i32* %addr, i32 42, i32 0 seq_cst seq_cst
     21 
     22    ret void
     23 }