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      1 @ RUN: llvm-mc -triple=armv8 -show-encoding < %s | FileCheck %s
      2 @ RUN: not llvm-mc -triple=armv7 -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-V7
      3         ldaexb  r3, [r4]
      4         ldaexh  r2, [r5]
      5         ldaex  r1, [r7]
      6         ldaexd  r6, r7, [r8]
      7 
      8 @ CHECK: ldaexb r3, [r4]                @ encoding: [0x9f,0x3e,0xd4,0xe1]
      9 @ CHECK: ldaexh r2, [r5]                @ encoding: [0x9f,0x2e,0xf5,0xe1]
     10 @ CHECK: ldaex r1, [r7]                @ encoding: [0x9f,0x1e,0x97,0xe1]
     11 @ CHECK: ldaexd r6, r7, [r8]            @ encoding: [0x9f,0x6e,0xb8,0xe1]
     12 @ CHECK-V7: instruction requires: acquire/release
     13 @ CHECK-V7: instruction requires: acquire/release
     14 @ CHECK-V7: instruction requires: acquire/release
     15 @ CHECK-V7: instruction requires: acquire/release
     16 
     17         stlexb  r1, r3, [r4]
     18         stlexh  r4, r2, [r5]
     19         stlex  r2, r1, [r7]
     20         stlexd  r6, r2, r3, [r8]
     21 @ CHECK: stlexb r1, r3, [r4]            @ encoding: [0x93,0x1e,0xc4,0xe1]
     22 @ CHECK: stlexh r4, r2, [r5]            @ encoding: [0x92,0x4e,0xe5,0xe1]
     23 @ CHECK: stlex r2, r1, [r7]            @ encoding: [0x91,0x2e,0x87,0xe1]
     24 @ CHECK: stlexd r6, r2, r3, [r8]        @ encoding: [0x92,0x6e,0xa8,0xe1]
     25 @ CHECK-V7: instruction requires: acquire/release
     26 @ CHECK-V7: instruction requires: acquire/release
     27 @ CHECK-V7: instruction requires: acquire/release
     28 @ CHECK-V7: instruction requires: acquire/release
     29 
     30          lda r5, [r6]
     31          ldab r5, [r6]
     32          ldah r12, [r9]
     33 @ CHECK: lda r5, [r6]                   @ encoding: [0x9f,0x5c,0x96,0xe1]
     34 @ CHECK: ldab r5, [r6]                  @ encoding: [0x9f,0x5c,0xd6,0xe1]
     35 @ CHECK: ldah r12, [r9]                 @ encoding: [0x9f,0xcc,0xf9,0xe1]
     36 @ CHECK-V7: instruction requires: acquire/release
     37 @ CHECK-V7: instruction requires: acquire/release
     38 @ CHECK-V7: instruction requires: acquire/release
     39 
     40          stl r3, [r0]
     41          stlb r2, [r1]
     42          stlh r2, [r3]
     43 @ CHECK: stl r3, [r0]                   @ encoding: [0x93,0xfc,0x80,0xe1]
     44 @ CHECK: stlb r2, [r1]                  @ encoding: [0x92,0xfc,0xc1,0xe1]
     45 @ CHECK: stlh r2, [r3]                  @ encoding: [0x92,0xfc,0xe3,0xe1]
     46 @ CHECK-V7: instruction requires: acquire/release
     47 @ CHECK-V7: instruction requires: acquire/release
     48 @ CHECK-V7: instruction requires: acquire/release
     49