test/MC/ARM/basic-thumb-instructions.s

   1 @ RUN: llvm-mc -triple=thumbv6-apple-darwin -show-encoding < %s | FileCheck %s
   2   .syntax unified
   3   .globl _func
   4
   5 @ Check that the assembler can handle the documented syntax from the ARM ARM.
   6 @ For complex constructs like shifter operands, check more thoroughly for them
   7 @ once then spot check that following instructions accept the form generally.
   8 @ This gives us good coverage while keeping the overall size of the test
   9 @ more reasonable.
  10
  11 _func:
  12 @ CHECK: _func
  13
  14 @------------------------------------------------------------------------------
  15 @ ADD (immediate)
  16 @------------------------------------------------------------------------------
  17         adds r1, r2, #3
  18         adds r2, #3
  19         adds r2, #8
  20
  21 @ CHECK: adds   r1, r2, #3              @ encoding: [0xd1,0x1c]
  22 @ CHECK: adds   r2, r2, #3              @ encoding: [0xd2,0x1c]
  23 @ CHECK: adds   r2, #8                  @ encoding: [0x08,0x32]
  24
  25
  26 @------------------------------------------------------------------------------
  27 @ ADD (register)
  28 @------------------------------------------------------------------------------
  29         adds r1, r2, r3
  30         add r2, r8
  31
  32 @ CHECK: adds   r1, r2, r3              @ encoding: [0xd1,0x18]
  33   CHECK: add    r2, r8                  @ encoding: [0x42,0x44]