test/MC/ELF/ifunc-alias.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readelf -s | FileCheck %s
   2 .text
   3
   4 .type  foo_impl,@function
   5 foo_impl:
   6   ret
   7
   8 .type  foo_resolver,@function
   9 foo_resolver:
  10   mov $foo_impl, %rax
  11   ret
  12
  13 .type  foo,@gnu_indirect_function
  14 .set   foo,foo_resolver
  15
  16 // All things below should be IFunc identical to 'foo'
  17 .set   foo2,foo
  18 .set   foo3,foo2
  19 .type  foo4,@function
  20 .set   foo4,foo3
  21
  22 // But tls_object should not be IFunc
  23 .set   tls,foo
  24 .type  tls,@tls_object
  25
  26 // CHECK: IFUNC   LOCAL  DEFAULT    2 foo
  27 // CHECK: IFUNC   LOCAL  DEFAULT    2 foo2
  28 // CHECK: IFUNC   LOCAL  DEFAULT    2 foo3
  29 // CHECK: IFUNC   LOCAL  DEFAULT    2 foo4
  30 // CHECK: FUNC    LOCAL  DEFAULT    2 foo_impl
  31 // CHECK: FUNC    LOCAL  DEFAULT    2 foo_resolver
  32 // CHECK: TLS     LOCAL  DEFAULT    2 tls