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| author | Sam Clegg <sbc@chromium.org> | 2018-06-28 17:04:58 +0000 |
|---|---|---|
| committer | Sam Clegg <sbc@chromium.org> | 2018-06-28 17:04:58 +0000 |
| commit | ce004bfe35c20d227865605427a11ff90ccb23b3 (patch) | |
| tree | 3860ac0f4012651820b01211552863326a4e5968 /lld/wasm/LTO.cpp | |
| parent | da5e7e11d1072ea13460f0b4ca77b7de35bf2bb8 (diff) | |
| download | bcm5719-llvm-ce004bfe35c20d227865605427a11ff90ccb23b3.tar.gz bcm5719-llvm-ce004bfe35c20d227865605427a11ff90ccb23b3.zip | |
[WebAssembly] Add support for bitcode archive members
This change effects the behavior of --export-all. Previously
--export-all would only effect symbols that survived GC. Now
--export-all will prevent any non-local symbols from being GCed.
Differential Revision: https://reviews.llvm.org/D48673
llvm-svn: 335878
Diffstat (limited to 'lld/wasm/LTO.cpp')
| -rw-r--r-- | lld/wasm/LTO.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lld/wasm/LTO.cpp b/lld/wasm/LTO.cpp index 58f32aaf244..dd66c67e39f 100644 --- a/lld/wasm/LTO.cpp +++ b/lld/wasm/LTO.cpp @@ -95,7 +95,8 @@ void BitcodeCompiler::add(BitcodeFile &F) { // Once IRObjectFile is fixed to report only one symbol this hack can // be removed. R.Prevailing = !ObjSym.isUndefined() && Sym->getFile() == &F; - R.VisibleToRegularObj = Config->Relocatable || Sym->IsUsedInRegularObj; + R.VisibleToRegularObj = Config->Relocatable || Sym->IsUsedInRegularObj || + (R.Prevailing && Sym->isExported()); if (R.Prevailing) undefine(Sym); } |
