[PATCH] D21438: AMDGPU/SI: Propagate the Kill flag in storeRegToStackSlot and eliminateFrameIndex

[Changpeng Fang via llvm-commits]

cfang created this revision.
cfang added reviewers: arsenm, tstellarAMD.
cfang added subscribers: arsenm, llvm-commits.
Herald added a subscriber: kzhuravl.

This patch properly propagates the Kill flag in storeRegToStackSlot and eliminateFrameIndex functions.

Note that the the case with implicit use of the SuperReg, only the last such implicit use carries the KIll flag.


http://reviews.llvm.org/D21438

Files:
  lib/Target/AMDGPU/SIInstrInfo.cpp
  lib/Target/AMDGPU/SIRegisterInfo.cpp
  lib/Target/AMDGPU/SIRegisterInfo.h

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