lld/test/ELF/deplibs-lto.s

   1 # REQUIRES: aarch64
   2
   3 # RUN: rm -rf %t && split-file %s %t && cd %t
   4 # RUN: llvm-mc -filetype=obj -triple=aarch64 -o deplibs.o deplibs.s
   5 # RUN: llvm-mc -filetype=obj -triple=aarch64 -o foo.o foo.s
   6 # RUN: llvm-as -o lto.o lto.ll
   7 # RUN: llvm-ar rc libdeplibs.a deplibs.o
   8 # RUN: llvm-ar rc libfoo.a foo.o
   9
  10 ## LTO emits a libcall (__aarch64_ldadd4_relax) that is resolved using a
  11 ## library (libdeplibs.a) that contains a .deplibs section pointing to a file
  12 ## (libfoo.a) not yet added to the link.
  13 # RUN: not ld.lld lto.o -u a -L. -ldeplibs 2>&1 | FileCheck %s
  14 # CHECK: error: input file 'foo.o' added after LTO
  15
  16 ## Including the file before LTO prevents the issue.
  17 # RUN: ld.lld lto.o -u a -L. -ldeplibs -lfoo
  18
  19 #--- foo.s
  20 .global foo
  21 foo:
  22 #--- deplibs.s
  23 .global __aarch64_ldadd4_relax
  24 __aarch64_ldadd4_relax:
  25     b foo
  26 .section ".deplibs","MS",@llvm_dependent_libraries,1
  27     .asciz "foo"
  28 #--- lto.ll
  29 target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
  30 target triple = "aarch64"
  31
  32 define void @a(i32* nocapture %0) #0 {
  33   %2 = atomicrmw add i32* %0, i32 1 monotonic, align 4
  34   ret void
  35 }
  36
  37 attributes #0 = { "target-features"="+outline-atomics" }