[PATCH] D80581: Modify verifier checks to support musttail + preallocated

[Arthur Eubanks via Phabricator via llvm-commits]

aeubanks created this revision.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.
aeubanks added reviewers: efriedma, hans.

preallocated and musttail can work together, but we don't want to call
@llvm.call.preallocated.setup() to modify the stack in musttail calls.
So we shouldn't have the "preallocated" operand bundle when a
preallocated call is musttail.

Codegen not yet implemented.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D80581

Files:
  llvm/docs/LangRef.rst
  llvm/lib/IR/Verifier.cpp
  llvm/test/Verifier/preallocated-invalid.ll
  llvm/test/Verifier/preallocated-valid.ll

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