[PATCH] D32206: X86RegisterInfo: eliminateFrameIndex: Avoid code duplication; NFC

[Matthias Braun via Phabricator via llvm-commits]

MatzeB created this revision.
Herald added a subscriber: mcrosier.

X86RegisterInfo::eliminateFrameIndex() and
X86FrameLowering::getFrameIndexReference() both had logic to compute the
base register. This consolidates the code.

Also use MachineInstr::isReturn instead of manually enumerating tail
call instructions (return instructions were not included in the previous
list because they never reference frame indexes).


Repository:
  rL LLVM

https://reviews.llvm.org/D32206

Files:
  lib/Target/X86/X86FrameLowering.cpp
  lib/Target/X86/X86FrameLowering.h
  lib/Target/X86/X86RegisterInfo.cpp

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