[PATCH] D90702: [SafeStack] Make sure SafeStack does not break musttail call contract

[Xun Li via Phabricator via llvm-commits]

lxfind created this revision.
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SafeStack instrumentation should not insert anything inbetween musttail call and return instruction.
For every ReturnInst that needs to be instrumented, we adjust the insertion point to the musttail call if exists.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D90702

Files:
  llvm/lib/CodeGen/SafeStack.cpp
  llvm/test/Transforms/SafeStack/X86/musttail.ll

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