[PATCH] D107646: [PowerPC] Fix the frame addresss computing return address for `__builtin_return_address`

[Victor Huang via Phabricator via llvm-commits]

NeHuang created this revision.
NeHuang added reviewers: nemanjai, stefanp, PowerPC.
NeHuang added a project: LLVM.
Herald added subscribers: shchenz, kbarton, hiraditya.
NeHuang requested review of this revision.

When depth > 0, callee frame address is used to compute the return address of callee producing improper return address. This patch adds the fix to use caller frame address to compute the return address of callee.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D107646

Files:
  llvm/lib/Target/PowerPC/PPCISelLowering.cpp
  llvm/test/CodeGen/PowerPC/2010-05-03-retaddr1.ll
  llvm/test/CodeGen/PowerPC/retaddr_multi_levels.ll

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