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Fedor Indutny
03afaa3e4e
Summary: `musttail` calls can't be naively splitted. The split blocks must include not only the call instruction itself, but also (optional) `bitcast` and `return` instructions that follow it. Clone `bitcast` and `ret`, place them into the split blocks, and remove the tail block when done. Reviewers: junbuml, mcrosier, davidxl, davide, fhahn Reviewed By: fhahn Subscribers: JDevlieghere, llvm-commits Differential Revision: https://reviews.llvm.org/D43729 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@326666 91177308-0d34-0410-b5e6-96231b3b80d8
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