================
@@ -2701,15 +2701,30 @@ static void markBuffersAsDontNeed(Ctx &ctx, bool
skipLinkedOutput) {
template <class ELFT>
void LinkerDriver::compileBitcodeFiles(bool skipLinkedOutput) {
llvm::TimeTraceScope timeScope("LTO");
+ // Capture the triple before moving the bitcode into the bitcode compiler.
+ std::optional<llvm::Triple> tt;
+ if (!ctx.bitcodeFiles.empty())
+ tt = llvm::Triple(ctx.bitcodeFiles.front()->obj->getTargetTriple());
// Compile bitcode files and replace bitcode symbols.
lto.reset(new BitcodeCompiler(ctx));
for (BitcodeFile *file : ctx.bitcodeFiles)
lto->add(*file);
- if (!ctx.bitcodeFiles.empty())
+ llvm::BumpPtrAllocator alloc;
+ llvm::StringSaver saver(alloc);
+ SmallVector<StringRef> bitcodeLibFuncs;
+ if (!ctx.bitcodeFiles.empty()) {
markBuffersAsDontNeed(ctx, skipLinkedOutput);
+ for (StringRef libFunc : lto::LTO::getLibFuncSymbols(*tt, saver)) {
+ Symbol *sym = ctx.symtab->find(libFunc);
----------------
smithp35 wrote:
Could the test for sym == nullptr be combined with the find?
```
if (Symbol *sym = ctx.symtab->find(libFunc))
if (isa<BitcodeFile>(sym->file))
bitcodeLibFuncs.push_back(libFunc);
```
https://github.com/llvm/llvm-project/pull/164916
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