lld/test/ELF/lto-plugin-ignore.s

   1 # REQUIRES: x86
   2 ## Test we ignore some LTO related options from clang/GCC collect2.
   3
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   5
   6 ## GCC collect2 passes several LTO related options to the linker even if -flto is not used.
   7 ## We need to ignore them. Note that the lto-wrapper path can be relative.
   8 # RUN: ld.lld %t.o -o /dev/null \
   9 # RUN:   -plugin path/to/liblto_plugin.so \
  10 # RUN:   -plugin-opt=/path/to/lto-wrapper \
  11 # RUN:   -plugin-opt=/path/to/lto-wrapper.exe \
  12 # RUN:   -plugin-opt=relative/path/to/lto-wrapper \
  13 # RUN:   -plugin-opt=relative/path/to/lto-wrapper.exe \
  14 # RUN:   -plugin-opt=-fresolution=zed \
  15 # RUN:   -plugin-opt=-pass-through=-lgcc \
  16 # RUN:   -plugin-opt=-pass-through=-lgcc_eh \
  17 # RUN:   -plugin-opt=-pass-through=-lc
  18
  19 ## Clang LTO passes several options to the linker, which are intended to be consumed by
  20 ## LLVMgold.so. We need to ignore them.
  21 # RUN: ld.lld %t.o -o /dev/null -plugin /path/to/LLVMgold.so -plugin-opt=thinlto
  22
  23 ## Other -plugin-opt=- prefixed options are passed through to cl::ParseCommandLineOptions.
  24 # RUN: not ld.lld %t.o -o /dev/null -plugin-opt=-abc -plugin-opt=-xyz 2>&1 | FileCheck %s
  25 # CHECK: ld.lld: error: -plugin-opt=-: ld.lld{{.*}}: Unknown command line argument '-abc'
  26 # CHECK: ld.lld: error: -plugin-opt=-: ld.lld{{.*}}: Unknown command line argument '-xyz'
  27
  28 ## Error if the option is an unhandled LLVMgold.so feature.
  29 # RUN: not ld.lld %t.o -o /dev/null -plugin-opt=LLVMgold-feature 2>&1 | FileCheck --check-prefix=GOLD %s
  30 # GOLD: ld.lld: error: -plugin-opt=: unknown plugin option 'LLVMgold-feature'