[PATCH] D29014: [SelDag] Implement FREEZE node

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune updated this revision to Diff 228705.
aqjune added a comment.
Herald added subscribers: Jim, hiraditya, dylanmckay.
Herald added a project: LLVM.

- Add FREEZE pseudoinstruction for MachineIR
- Let ExpandPostRAPseudos expand FREEZE
- Address reviewers' comments
- Add tests for function call / phi
- Add a comment to TargetPassConfig stating that after ExpandPostRAPseudos IMPLICIT_DEF should not be optimized to different registers/constants


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D29014/new/

https://reviews.llvm.org/D29014

Files:
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/include/llvm/CodeGen/AsmPrinter.h
  llvm/include/llvm/CodeGen/FastISel.h
  llvm/include/llvm/CodeGen/ISDOpcodes.h
  llvm/include/llvm/CodeGen/SelectionDAGISel.h
  llvm/include/llvm/Support/TargetOpcodes.def
  llvm/include/llvm/Target/Target.td
  llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
  llvm/lib/CodeGen/ExpandPostRAPseudos.cpp
  llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
  llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
  llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
  llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
  llvm/lib/CodeGen/TargetLoweringBase.cpp
  llvm/lib/CodeGen/TargetPassConfig.cpp
  llvm/lib/Target/AVR/AVRInstrInfo.cpp
  llvm/test/CodeGen/X86/fast-isel-freeze.ll
  llvm/test/CodeGen/X86/fast-isel.ll
  llvm/test/CodeGen/X86/freeze-call.ll
  llvm/test/CodeGen/X86/freeze-legalize.ll
  llvm/test/CodeGen/X86/freeze-phielim.ll
  llvm/test/CodeGen/X86/freeze.ll

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