================
@@ -924,6 +930,54 @@ static bool canSkipModuleSplit(IRSplitMode Mode, const
Module &M,
});
}
+/// AOT-compiles every JIT image in \p SplitModules concurrently and swaps each
+/// module's path to point at the compiled object.
+static Error aotCompileSplitModules(SmallVectorImpl<SplitModule> &SplitModules,
+ const ArgList &Args, StringRef OutputFile)
{
+ // Each worker thread writes only its own index, so this is race-free.
+ SmallVector<std::string, 0> AOTFiles(SplitModules.size());
+ // std::optional, not Error: pre-filled Error::success() move-assigned
+ // from a worker thread would abort on the unchecked-value assert.
+ SmallVector<std::optional<Error>, 0> AOTErrors(SplitModules.size());
+ for (size_t I = 0, E = SplitModules.size(); I != E; ++I) {
----------------
wenju-he wrote:
done, thanks, much simpler now. Behavior change is that
`llvm::heavyweight_hardware_concurrency()` (one thread per hardware core) is
changed to `hardware_concurrency()` (hyperthreads also used). This should be
fine and consistent with `clang-linker-wrapper` lines you mentioned.
https://github.com/llvm/llvm-project/pull/224548
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