[all-commits] [llvm/llvm-project] 073401: [MC] Define and use MCInstrDesc implicit_uses and ...

[Jay Foad via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 073401e59c8c0e03e06be1d516fe8ea821146d2f
      https://github.com/llvm/llvm-project/commit/073401e59c8c0e03e06be1d516fe8ea821146d2f
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2023-01-23 (Mon, 23 Jan 2023)

  Changed paths:
    M llvm/include/llvm/CodeGen/MachineInstr.h
    M llvm/include/llvm/MC/MCInstrDesc.h
    M llvm/lib/CodeGen/MIRParser/MIParser.cpp
    M llvm/lib/CodeGen/MachineInstr.cpp
    M llvm/lib/CodeGen/RDFGraph.cpp
    M llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
    M llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
    M llvm/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
    M llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
    M llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
    M llvm/lib/MC/MCInstrDesc.cpp
    M llvm/lib/MC/MCParser/AsmParser.cpp
    M llvm/lib/MC/MCParser/MasmParser.cpp
    M llvm/lib/MCA/InstrBuilder.cpp
    M llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
    M llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
    M llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
    M llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
    M llvm/lib/Target/ARM/ARMFastISel.cpp
    M llvm/lib/Target/ARM/Thumb2SizeReduction.cpp
    M llvm/lib/Target/Hexagon/HexagonGenMux.cpp
    M llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCChecker.cpp
    M llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCCodeEmitter.cpp
    M llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
    M llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
    M llvm/lib/Target/X86/X86FastISel.cpp
    M llvm/tools/llvm-exegesis/lib/MCInstrDescView.cpp
    M llvm/tools/llvm-exegesis/lib/MCInstrDescView.h
    M llvm/tools/llvm-reduce/deltas/ReduceRegisterDefs.cpp
    M llvm/tools/llvm-reduce/deltas/ReduceRegisterUses.cpp
    M llvm/unittests/tools/llvm-exegesis/X86/SnippetGeneratorTest.cpp

  Log Message:
  -----------
  [MC] Define and use MCInstrDesc implicit_uses and implicit_defs. NFC.

The new methods return a range for easier iteration. Use them everywhere
instead of getImplicitUses, getNumImplicitUses, getImplicitDefs and
getNumImplicitDefs. A future patch will remove the old methods.

In some use cases the new methods are less efficient because they always
have to scan the whole uses/defs array to count its length, but that
will be fixed in a future patch by storing the number of implicit
uses/defs explicitly in MCInstrDesc. At that point there will be no need
to 0-terminate the arrays.

Differential Revision: https://reviews.llvm.org/D142215