[PATCH] D51345: AMDGPU: Shrink insts to fold immediates

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: rampitec.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.

This needs to be done in the SSA fold operands
pass to be effective, so there is a bit of overlap
with SIShrinkInstructions but I don't think this
 is practically avoidable.


https://reviews.llvm.org/D51345

Files:
  lib/Target/AMDGPU/SIFoldOperands.cpp
  lib/Target/AMDGPU/SIInstrInfo.cpp
  lib/Target/AMDGPU/SIInstrInfo.h
  lib/Target/AMDGPU/SIShrinkInstructions.cpp
  test/CodeGen/AMDGPU/fold-immediate-operand-shrink-with-carry.mir
  test/CodeGen/AMDGPU/fold-immediate-operand-shrink.mir

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