lld/test/ELF/strtab-nodedup.s

   1 # REQUIRES: x86
   2 # RUN: split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 %t/a.s -o %t/a.o
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64 %t/b.s -o %t/b.o
   5
   6 ## Non-empty local symbol names are not deduplicated. This helps parallel
   7 ## .symtab write. We used to perform deduplication at -O2.
   8 # RUN: ld.lld %t/a.o %t/b.o -o %t/a
   9 # RUN: llvm-readelf -p .strtab %t/a | FileCheck %s --check-prefix=NODEDUP
  10 # RUN: ld.lld -r -O2 %t/a.o %t/b.o -o %t/a.ro
  11 # RUN: llvm-readelf -p .strtab %t/a.ro | FileCheck %s --check-prefix=NODEDUP
  12
  13 # NODEDUP:        [     1]  local
  14 # NODEDUP-NEXT:   [     7]  local
  15 # NODEDUP-NEXT:   [     d]  foo
  16 # NODEDUP-EMPTY:
  17
  18 # RUN: llvm-readelf -s %t/a.ro | FileCheck %s --check-prefix=SYMTAB
  19
  20 # SYMTAB:    0: {{0+}} 0 NOTYPE  LOCAL  DEFAULT UND
  21 # SYMTAB-NEXT:           NOTYPE  LOCAL  DEFAULT [[#]] local
  22 # SYMTAB-NEXT:           SECTION LOCAL  DEFAULT [[#]] .text
  23 # SYMTAB-NEXT:           NOTYPE  LOCAL  DEFAULT [[#]] local
  24 # SYMTAB-NEXT:           NOTYPE  GLOBAL DEFAULT [[#]] foo
  25
  26 #--- a.s
  27 .global foo
  28 foo:
  29 local:
  30   ret
  31
  32 #--- b.s
  33 .weak foo
  34 foo:
  35 local:
  36   ret