lld/test/ELF/symbol-ordering-file-icf.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
   3 # RUN: echo "zed" > %t.order
   4 # RUN: echo "bar" >> %t.order
   5 # RUN: echo "foo" >> %t.order
   6 # RUN: ld.lld --icf=all --symbol-ordering-file %t.order -shared %t.o -o %t.so
   7 # RUN: llvm-nm %t.so | FileCheck %s
   8
   9 ## Check that after ICF merges 'foo' and 'zed' we still
  10 ## place them before 'bar', in according to ordering file.
  11 # CHECK-DAG: 0000000000001288 T foo
  12 # CHECK-DAG: 0000000000001288 T zed
  13 # CHECK-DAG: 000000000000128c T bar
  14
  15 .section .text.foo,"ax",@progbits
  16 .align 4
  17 .global foo
  18 foo:
  19   retq
  20
  21 .section .text.bar,"ax",@progbits
  22 .align 4
  23 .global bar
  24 bar:
  25   nop
  26   retq
  27
  28 .section .text.zed,"ax",@progbits
  29 .align 4
  30 .global zed
  31 zed:
  32   retq