lld/test/ELF/arm-thumb-branch-rangethunk.s

   1 // REQUIRES: arm
   2 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t
   3 // RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %S/Inputs/far-arm-thumb-abs.s -o %tfar
   4 // RUN: ld.lld  %t %tfar -o %t2
   5 // RUN: llvm-objdump -d %t2
   6  .syntax unified
   7  .thumb
   8  .section .text, "ax",%progbits
   9  .globl _start
  10  .balign 0x10000
  11  .type _start,%function
  12 _start:
  13  // address of too_far symbols are just out of range of ARM branch with
  14  // 26-bit immediate field and an addend of -8
  15  bl  too_far1
  16  b   too_far2
  17  beq.w too_far3
  18
  19 // CHECK: Disassembly of section .text:
  20 // CHECK-EMPTY:
  21 // CHECK-NEXT: _start:
  22 // CHECK-NEXT:    20000:       00 f0 04 f8     bl      #8
  23 // CHECK-NEXT:    20004:       00 f0 07 b8     b.w     #14 <__Thumbv7ABSLongThunk_too_far2>
  24 // CHECK-NEXT:    20008:       00 f0 0a 80     beq.w   #20 <__Thumbv7ABSLongThunk_too_far3>
  25 // CHECK: __Thumbv7ABSLongThunk_too_far1:
  26 // CHECK-NEXT:    2000c:       40 f2 05 0c     movw    r12, #5
  27 // CHECK-NEXT:    20010:       c0 f2 02 1c     movt    r12, #258
  28 // CHECK-NEXT:    20014:       60 47   bx      r12
  29 // CHECK: __Thumbv7ABSLongThunk_too_far2:
  30 // CHECK-NEXT:    20016:       40 f2 09 0c     movw    r12, #9
  31 // CHECK-NEXT:    2001a:       c0 f2 02 1c     movt    r12, #258
  32 // CHECK-NEXT:    2001e:       60 47   bx      r12
  33 // CHECK: __Thumbv7ABSLongThunk_too_far3:
  34 // CHECK-NEXT:    20020:       40 f2 0d 0c     movw    r12, #13
  35 // CHECK-NEXT:    20024:       c0 f2 12 0c     movt    r12, #18
  36 // CHECK-NEXT:    20028:       60 47   bx      r12
  37 // CHECK-NEXT:    2002a:       00 00   movs    r0, r0