[PATCH] D33003: Add callee-saved registers as implicit uses in return instructions

[Krzysztof Parzyszek via Phabricator via llvm-commits]

kparzysz created this revision.
Herald added subscribers: javed.absar, nemanjai.

Update the block live-ins to have the saved registers on the paths from the entry blocks to the save blocks, and have the restored registers on the paths from the restore blocks to the returns.


Repository:
  rL LLVM

https://reviews.llvm.org/D33003

Files:
  include/llvm/Target/TargetFrameLowering.h
  lib/CodeGen/PrologEpilogInserter.cpp
  lib/CodeGen/TargetFrameLoweringImpl.cpp
  lib/Target/ARM/ARMFrameLowering.cpp
  lib/Target/ARM/ARMFrameLowering.h
  lib/Target/ARM/ARMLoadStoreOptimizer.cpp
  lib/Target/X86/X86FrameLowering.cpp
  lib/Target/X86/X86FrameLowering.h
  test/CodeGen/PowerPC/ppc-shrink-wrapping.ll

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