test/MC/ARM/unpred-control-flow-in-it-block.s

   1 @ RUN: not llvm-mc -triple=thumbv7m--none-eabi < %s 2>&1 | FileCheck %s
   2
   3 @ These instructions all write to the PC, so are UNPREDICTABLE if they are in
   4 @ an IT block, but not the last instruction in the block.
   5
   6   itttt eq
   7   addeq pc, r0
   8 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
   9   addeq pc, sp, pc
  10 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  11   beq.n #.+0x20
  12 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  13   nopeq
  14   itttt eq
  15   beq.w #.+0x20
  16 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  17   bleq sym
  18 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  19   blxeq r0
  20 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  21   nopeq
  22   itttt eq
  23   bxeq r0
  24 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  25   ldmeq r0, {r8, pc}
  26 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  27   ldmdbeq r0, {r8, pc}
  28 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  29   nopeq
  30   itttt eq
  31   ldreq pc, [r0, #4]
  32 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  33   ldreq pc, [r0, #-4]
  34 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  35   ldreq pc, [pc, #4]
  36 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  37   nopeq
  38   itttt eq
  39   ldreq pc, [r0, r1, LSL #1]
  40 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  41   moveq pc, r0
  42 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  43   popeq {r0, pc}
  44 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  45   nopeq
  46   itttt eq
  47   popeq {r8, pc}
  48 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  49   popeq {pc}
  50 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  51   tbbeq [r0, r1]
  52 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  53   nopeq
  54   itt eq
  55   tbheq [r0, r1, LSL #1]
  56 @ CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction must be outside of IT block or the last instruction in an IT block
  57   nopeq