|  | @ RUN: not llvm-mc -triple=thumbv6-apple-darwin < %s 2> %t | 
|  | @ RUN: FileCheck --check-prefix=CHECK-ERRORS < %t %s | 
|  | @ RUN: not llvm-mc -triple=thumbv5-apple-darwin < %s 2> %t | 
|  | @ RUN: FileCheck --check-prefix=CHECK-ERRORS-V5 < %t %s | 
|  |  | 
|  | @ Check for various assembly diagnostic messages on invalid input. | 
|  |  | 
|  | @ ADD instruction w/o 'S' suffix. | 
|  | add r1, r2, r3 | 
|  | @ CHECK-ERRORS: error: invalid instruction | 
|  | @ CHECK-ERRORS:         add r1, r2, r3 | 
|  | @ CHECK-ERRORS:         ^ | 
|  |  | 
|  | @ Instructions which require v6+ for both registers to be low regs. | 
|  | add r2, r3 | 
|  | mov r2, r3 | 
|  | @ CHECK-ERRORS: error: instruction variant requires Thumb2 | 
|  | @ CHECK-ERRORS:         add r2, r3 | 
|  | @ CHECK-ERRORS:         ^ | 
|  | @ CHECK-ERRORS-V5: error: instruction variant requires ARMv6 or later | 
|  | @ CHECK-ERRORS-V5:         mov r2, r3 | 
|  | @ CHECK-ERRORS-V5:         ^ | 
|  |  | 
|  |  | 
|  | @ Out of range immediates for ASR instruction. | 
|  | asrs r2, r3, #33 | 
|  | asrs r2, r3, #0 | 
|  | @ CHECK-ERRORS: error: invalid operand for instruction | 
|  | @ CHECK-ERRORS:         asrs r2, r3, #33 | 
|  | @ CHECK-ERRORS:                      ^ | 
|  | @ CHECK-ERRORS: error: invalid operand for instruction | 
|  | @ CHECK-ERRORS:         asrs r2, r3, #0 | 
|  | @ CHECK-ERRORS:                      ^ | 
|  |  | 
|  | @ Out of range immediates for BKPT instruction. | 
|  | bkpt #256 | 
|  | bkpt #-1 | 
|  | error: invalid operand for instruction | 
|  | bkpt #256 | 
|  | ^ | 
|  | error: invalid operand for instruction | 
|  | bkpt #-1 | 
|  | ^ | 
|  |  | 
|  | @ Invalid writeback and register lists for LDM | 
|  | ldm r2!, {r5, r8} | 
|  | ldm r2, {r5, r7} | 
|  | ldm r2!, {r2, r3, r4} | 
|  | @ CHECK-ERRORS: error: registers must be in range r0-r7 | 
|  | @ CHECK-ERRORS:         ldm r2!, {r5, r8} | 
|  | @ CHECK-ERRORS:                  ^ | 
|  | @ CHECK-ERRORS: error: writeback operator '!' expected | 
|  | @ CHECK-ERRORS:         ldm r2, {r5, r7} | 
|  | @ CHECK-ERRORS:             ^ | 
|  | @ CHECK-ERRORS: error: writeback operator '!' not allowed when base register in register list | 
|  | @ CHECK-ERRORS:         ldm r2!, {r2, r3, r4} | 
|  | @ CHECK-ERRORS:               ^ | 
|  |  | 
|  |  | 
|  | @ Invalid writeback and register lists for PUSH/POP | 
|  | pop {r1, r2, r10} | 
|  | push {r8, r9} | 
|  | @ CHECK-ERRORS: error: registers must be in range r0-r7 or pc | 
|  | @ CHECK-ERRORS:         pop {r1, r2, r10} | 
|  | @ CHECK-ERRORS:             ^ | 
|  | @ CHECK-ERRORS: error: registers must be in range r0-r7 or lr | 
|  | @ CHECK-ERRORS:         push {r8, r9} | 
|  | @ CHECK-ERRORS:              ^ | 
|  |  | 
|  |  | 
|  | @ Invalid writeback and register lists for STM | 
|  | stm r1, {r2, r6} | 
|  | stm r1!, {r2, r9} | 
|  | @ CHECK-ERRORS: error: instruction requires a CPU feature not currently enabled | 
|  | @ CHECK-ERRORS:         stm r1, {r2, r6} | 
|  | @ CHECK-ERRORS:         ^ | 
|  | @ CHECK-ERRORS: error: registers must be in range r0-r7 | 
|  | @ CHECK-ERRORS:         stm r1!, {r2, r9} | 
|  | @ CHECK-ERRORS:                  ^ | 
|  |  | 
|  | @ Out of range immediates for LSL instruction. | 
|  | lsls r4, r5, #-1 | 
|  | lsls r4, r5, #32 | 
|  | @ CHECK-ERRORS: error: invalid operand for instruction | 
|  | @ CHECK-ERRORS:         lsls r4, r5, #-1 | 
|  | @ CHECK-ERRORS:                      ^ | 
|  | @ CHECK-ERRORS: error: invalid operand for instruction | 
|  | @ CHECK-ERRORS:         lsls r4, r5, #32 | 
|  | @ CHECK-ERRORS:                      ^ | 
|  |  | 
|  | @ Mismatched source/destination operands for MUL instruction. | 
|  | muls r1, r2, r3 | 
|  | @ CHECK-ERRORS: error: destination register must match source register | 
|  | @ CHECK-ERRORS:         muls r1, r2, r3 | 
|  | @ CHECK-ERRORS:              ^ | 
|  |  | 
|  |  | 
|  | @ Out of range immediates for STR instruction. | 
|  | str r2, [r7, #-1] | 
|  | str r5, [r1, #3] | 
|  | str r3, [r7, #128] | 
|  | @ CHECK-ERRORS: error: instruction requires a CPU feature not currently enabled | 
|  | @ CHECK-ERRORS:         str r2, [r7, #-1] | 
|  | @ CHECK-ERRORS:         ^ | 
|  | @ CHECK-ERRORS: error: instruction requires a CPU feature not currently enabled | 
|  | @ CHECK-ERRORS:         str r5, [r1, #3] | 
|  | @ CHECK-ERRORS:         ^ | 
|  | @ CHECK-ERRORS: error: instruction requires a CPU feature not currently enabled | 
|  | @ CHECK-ERRORS:         str r3, [r7, #128] | 
|  | @ CHECK-ERRORS:         ^ | 
|  |  | 
|  | @ Out of range immediate for SVC instruction. | 
|  | svc #-1 | 
|  | svc #256 | 
|  | @ CHECK-ERRORS: error: invalid operand for instruction | 
|  | @ CHECK-ERRORS:         svc #-1 | 
|  | @ CHECK-ERRORS:             ^ | 
|  | @ CHECK-ERRORS: error: instruction requires a CPU feature not currently enabled | 
|  | @ CHECK-ERRORS:         svc #256 | 
|  | @ CHECK-ERRORS:         ^ | 
|  |  | 
|  |  | 
|  | @ Out of range immediate for ADD SP instructions | 
|  | add sp, #-1 | 
|  | add sp, #3 | 
|  | add sp, sp, #512 | 
|  | add r2, sp, #1024 | 
|  | @ CHECK-ERRORS: error: invalid operand for instruction | 
|  | @ CHECK-ERRORS:         add sp, #-1 | 
|  | @ CHECK-ERRORS:                 ^ | 
|  | @ CHECK-ERRORS: error: invalid operand for instruction | 
|  | @ CHECK-ERRORS:         add sp, #3 | 
|  | @ CHECK-ERRORS:                 ^ | 
|  | @ CHECK-ERRORS: error: instruction requires a CPU feature not currently enabled | 
|  | @ CHECK-ERRORS:         add sp, sp, #512 | 
|  | @ CHECK-ERRORS:                     ^ | 
|  | @ CHECK-ERRORS: error: instruction requires a CPU feature not currently enabled | 
|  | @ CHECK-ERRORS:         add r2, sp, #1024 | 
|  | @ CHECK-ERRORS:         ^ |