[PATCH] D79660: [TRE] Allow elimination when the returned value is non-constant

[Layton Kifer via Phabricator via llvm-commits]

laytonio created this revision.
laytonio added reviewers: nlewycky, lattner, Carrot, efriedma.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.

Currently we can only eliminate call return pairs that either return the result of the call or a dynamic constant. This patch removes that limitation.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D79660

Files:
  llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp
  llvm/test/Transforms/TailCallElim/2010-06-26-MultipleReturnValues.ll
  llvm/test/Transforms/TailCallElim/basic.ll

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