[llvm-branch-commits] [llvm] [LLVM][Coroutines] Transform "coro_must_elide" calls to switch ABI coroutines to the `noalloc` variant (PR #99285)

[Wei Wang via llvm-branch-commits]

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@@ -968,8 +969,8 @@ PassBuilder::buildInlinerPipeline(OptimizationLevel Level,
   // it's been modified since.
   MainCGPipeline.addPass(createCGSCCToFunctionPassAdaptor(
       RequireAnalysisPass<ShouldNotRunFunctionPassesAnalysis, Function>()));
-
   MainCGPipeline.addPass(CoroSplitPass(Level != OptimizationLevel::O0));
+  MainCGPipeline.addPass(CoroAnnotationElidePass());
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apolloww wrote:

There is another PR #90310 trying to move the coro passes into post-link pipeline if ThinLTO(`-flto=thin`) is enabled for the compilation. It ran into some issue with asan and going through some refactoring.

https://github.com/llvm/llvm-project/pull/99285