arm-thumb-thunk-empty-pass.s 996 Bytes
// REQUIRES: arm
// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t.o
// RUN: ld.lld %t.o -o %t
// RUN: llvm-objdump -d %t -triple=thumbv7a | FileCheck %s
 .syntax unified
 .global _start, foo
 .type _start, %function
 .section .text.start,"ax",%progbits
_start:
 bl _start
 .section .text.dummy1,"ax",%progbits
 .space 0xfffffe
 .section .text.foo,"ax",%progbits
  .type foo, %function
foo:
 bl _start

// CHECK: Disassembly of section .text:
// CHECK-EMPTY:
// CHECK-NEXT: _start:
// CHECK-NEXT:    110b4:       ff f7 fe ff     bl      #-4
// CHECK: __Thumbv7ABSLongThunk__start:
// CHECK-NEXT:    110b8:       ff f7 fc bf     b.w     #-8 <_start>

// CHECK: __Thumbv7ABSLongThunk__start:
// CHECK:       10110bc:       41 f2 b5 0c     movw    r12, #4277
// CHECK-NEXT:  10110c0:       c0 f2 01 0c     movt    r12, #1
// CHECK-NEXT:  10110c4:       60 47   bx      r12
// CHECK: foo:
// CHECK-NEXT:  10110c6:       ff f7 f9 ff     bl      #-14