[PATCH] D128794: [WebAssembly] Don't set musttail for coroutines is tail call is not enabled

[Chuanqi Xu via Phabricator via llvm-commits]

ChuanqiXu created this revision.
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The C++20 Coroutines couldn't be compiled to WebAssembly due to an optimization named symmetric transfer requires the support for musttail calls but WebAssembly doesn't support it yet. This revision tried to address the opinion from https://reviews.llvm.org/D128163 by adding a new method to TTI.


https://reviews.llvm.org/D128794

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyTargetTransformInfo.h
  llvm/lib/Transforms/Coroutines/CoroSplit.cpp
  llvm/test/Transforms/Coroutines/coro-split-musttail8.ll
  llvm/test/Transforms/Coroutines/coro-split-musttail9.ll

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