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Fix unnecessary one-time recompile of stdlib with -enable-ossa-flag (#39516)

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* Fix unnecessary one-time recompile of stdlib with -enable-ossa-flag

This includes a bit in the module format to represent if the module was
compiled with -enable-ossa-modules flag. When compiling a client module
with -enable-ossa-modules flag, all dependent modules are checked for this bit,
if not on, recompilation is triggered with -enable-ossa-modules.

* Updated tests
This commit is contained in:
Meghana Gupta
2021-10-04 18:46:40 -07:00
committed by GitHub
parent b3416247f5
commit f458d9b490
36 changed files with 213 additions and 173 deletions
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10
lib/Serialization/ModuleFile.cpp
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@@ -349,12 +349,10 @@ ModuleFile::getModuleName(ASTContext &Ctx, StringRef modulePath,
/*RequiresNullTerminator=*/false);
std::shared_ptr<const ModuleFileSharedCore> loadedModuleFile;
bool isFramework = false;
serialization::ValidationInfo loadInfo =
ModuleFileSharedCore::load(modulePath.str(),
std::move(newBuf),
nullptr,
nullptr,
/*isFramework*/isFramework, loadedModuleFile);
serialization::ValidationInfo loadInfo = ModuleFileSharedCore::load(
modulePath.str(), std::move(newBuf), nullptr, nullptr,
/*isFramework*/ isFramework, Ctx.SILOpts.EnableOSSAModules,
loadedModuleFile);
Name = loadedModuleFile->Name.str();
return std::move(moduleBuf.get());
}