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af44b5b1af
Use a combination of !associated, comdat, @llvm.compiler.used and custom sections to allow dead stripping of globals and their asan metadata. Sometimes. Currently this works on LLD, which supports SHF_LINK_ORDER with sh_link pointing to the associated section. This also works on BFD, which seems to treat comdats as all-or-nothing with respect to linker GC. There is a weird quirk where the "first" global in each link is never GC-ed because of the section symbols. At this moment it does not work on Gold (as in the globals are never stripped). This is a second re-land of r298158. This time, this feature is limited to -fdata-sections builds. llvm-svn: 301587 |
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| .. | ||
| X86 | ||
| adaptive_global_redzones.ll | ||
| asan_address_space_attr.ll | ||
| asan-masked-load-store.ll | ||
| asan-vs-gvn.ll | ||
| basic-msvc64.ll | ||
| basic.ll | ||
| debug_info_noninstrumented_alloca2.ll | ||
| debug_info_noninstrumented_alloca.ll | ||
| debug_info.ll | ||
| debug-info-global-var.ll | ||
| do-not-instrument-globals-darwin.ll | ||
| do-not-instrument-globals-linux.ll | ||
| do-not-instrument-internal-globals.ll | ||
| do-not-instrument-profiling-globals.ll | ||
| do-not-instrument-promotable-allocas.ll | ||
| do-not-instrument-sanitizers.ll | ||
| do-not-touch-comdat-global.ll | ||
| do-not-touch-odr-global.ll | ||
| do-not-touch-threadlocal.ll | ||
| experiment-call.ll | ||
| experiment.ll | ||
| freebsd.ll | ||
| global_cstring_darwin.ll | ||
| global_metadata_array.ll | ||
| global_metadata_darwin.ll | ||
| global_metadata_windows.ll | ||
| global_metadata.ll | ||
| instrument_global.ll | ||
| instrument_initializer_metadata.ll | ||
| instrument_load_then_store.ll | ||
| instrument-dynamic-allocas.ll | ||
| instrument-no-return.ll | ||
| instrument-stack.ll | ||
| instrumentation-with-call-threshold.ll | ||
| keep_going.ll | ||
| lifetime-throw.ll | ||
| lifetime-uar-uas.ll | ||
| lifetime.ll | ||
| local_alias.ll | ||
| localescape.ll | ||
| no-globals.ll | ||
| ps4.ll | ||
| scale-offset.ll | ||
| stack_dynamic_alloca.ll | ||
| stack_layout.ll | ||
| stack-poisoning-and-lifetime-be.ll | ||
| stack-poisoning-and-lifetime.ll | ||
| stack-poisoning.ll | ||
| str-nobuiltin.ll | ||
| test64.ll | ||
| twice.ll | ||
| ubsan.ll | ||