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      1 @ RUN: not llvm-mc -triple=armv6 -show-encoding < %s > %t1 2> %t2
      2 @ RUN: FileCheck --check-prefix=CHECK-V6 %s < %t1
      3 @ RUN: FileCheck --check-prefix=CHECK-ERROR-V6 %s < %t2
      4 @ RUN: llvm-mc -triple=armv6k -show-encoding < %s \
      5 @ RUN:     | FileCheck --check-prefix=CHECK-ARM %s
      6 @ RUN: llvm-mc -triple=armv6t2 -show-encoding < %s \
      7 @ RUN:     | FileCheck --check-prefix=CHECK-ARM %s
      8 @ RUN: not llvm-mc -triple=thumb -mcpu=arm1156t2-s -show-encoding < %s > %t3 2> %t4
      9 @ RUN: FileCheck --check-prefix=CHECK-THUMB %s < %t3
     10 @ RUN: FileCheck --check-prefix=CHECK-ERROR-THUMB %s < %t4
     11 @ RUN: not llvm-mc -triple=armv6m -show-encoding < %s > %t5 2> %t6
     12 @ RUN: FileCheck --check-prefix=CHECK-V6M %s < %t5
     13 @ RUN: FileCheck --check-prefix=CHECK-ERROR-V6M %s < %t6
     14 
     15   .syntax unified
     16 
     17 @------------------------------------------------------------------------------
     18 @ YIELD/WFE/WFI/SEV/CLREX - are not supported pre v6K
     19 @------------------------------------------------------------------------------
     20         nop
     21         yield
     22         wfe
     23         wfi
     24         sev
     25         clrex
     26 
     27 
     28 @------------------------------------------------------------------------------
     29 @ v6 using ARM encoding
     30 @------------------------------------------------------------------------------
     31 @ CHECK-V6: mov	r0, r0                  @ encoding: [0x00,0x00,0xa0,0xe1]
     32 @ CHECK-ERROR-V6: error: instruction requires: armv6k
     33 @ CHECK-ERROR-V6: yield
     34 @ CHECK-ERROR-V6: ^
     35 @ CHECK-ERROR-V6: error: instruction requires: armv6k
     36 @ CHECK-ERROR-V6: wfe
     37 @ CHECK-ERROR-V6: ^
     38 @ CHECK-ERROR-V6: error: instruction requires: armv6k
     39 @ CHECK-ERROR-V6: wfi
     40 @ CHECK-ERROR-V6: error: instruction requires: armv6k
     41 @ CHECK-ERROR-V6: sev
     42 @ CHECK-ERROR-V6: ^
     43 @ CHECK-ERROR-V6: error: instruction requires: armv6k
     44 @ CHECK-ERROR-V6: clrex
     45 @ CHECK-ERROR-V6: ^
     46 
     47 @------------------------------------------------------------------------------
     48 @ v6K using ARM encoding
     49 @------------------------------------------------------------------------------
     50 @------------------------------------------------------------------------------
     51 @ v6T2 using ARM encoding (arm triple)
     52 @------------------------------------------------------------------------------
     53 @ CHECK-ARM: nop                             @ encoding: [0x00,0xf0,0x20,0xe3]
     54 @ CHECK-ARM: yield                           @ encoding: [0x01,0xf0,0x20,0xe3]
     55 @ CHECK-ARM: wfe                             @ encoding: [0x02,0xf0,0x20,0xe3]
     56 @ CHECK-ARM: wfi                             @ encoding: [0x03,0xf0,0x20,0xe3]
     57 @ CHECK-ARM: sev                             @ encoding: [0x04,0xf0,0x20,0xe3]
     58 @ CHECK-ARM: clrex                           @ encoding: [0x1f,0xf0,0x7f,0xf5]
     59 
     60 @------------------------------------------------------------------------------
     61 @ v6T2 using THUMB encoding (thumb triple)
     62 @------------------------------------------------------------------------------
     63 @ CHECK-THUMB: nop                             @ encoding: [0x00,0xbf]
     64 @ CHECK-THUMB: yield                           @ encoding: [0x10,0xbf]
     65 @ CHECK-THUMB: wfe                             @ encoding: [0x20,0xbf]
     66 @ CHECK-THUMB: wfi                             @ encoding: [0x30,0xbf]
     67 @ CHECK-THUMB: sev                             @ encoding: [0x40,0xbf]
     68 @ CHECK-ERROR-THUMB: error: instruction requires: v7 clrex
     69 @ CHECK-ERROR-THUMB: clrex
     70 @ CHECK-ERROR-THUMB: ^
     71 
     72 @------------------------------------------------------------------------------
     73 @ v6M using THUMB encoding
     74 @------------------------------------------------------------------------------
     75 @ CHECK-V6M: nop                             @ encoding: [0x00,0xbf]
     76 @ CHECK-V6M: yield                           @ encoding: [0x10,0xbf]
     77 @ CHECK-V6M: wfe                             @ encoding: [0x20,0xbf]
     78 @ CHECK-V6M: wfi                             @ encoding: [0x30,0xbf]
     79 @ CHECK-V6M: sev                             @ encoding: [0x40,0xbf]
     80 @ CHECK-ERROR-V6M: error: instruction requires: v7 clrex
     81 @ CHECK-ERROR-V6M: clrex
     82 @ CHECK-ERROR-V6M: ^
     83