[PATCH] D58690: [AArch64] Add code size information on isFPImmLegal

[Adhemerval Zanella via Phabricator via llvm-commits]

zatrazz created this revision.
zatrazz added reviewers: efriedma, rengolin, javed.absar, huntergr, SjoerdMeijer, t.p.northover, echristo, evandro.
zatrazz added a project: LLVM.
Herald added subscribers: jsji, atanasyan, jrtc27, kbarton, kristof.beyls, nhaehnle, jvesely, nemanjai, sdardis, arsenm.

This allow to avoid materialize constants which would required 2 instructions (mov plus movk for instance) when optimizing for size.


Repository:
  rL LLVM

https://reviews.llvm.org/D58690

Files:
  include/llvm/CodeGen/TargetLowering.h
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/Target/AArch64/AArch64ISelLowering.cpp
  lib/Target/AArch64/AArch64ISelLowering.h
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.h
  lib/Target/ARM/ARMFastISel.cpp
  lib/Target/ARM/ARMISelLowering.cpp
  lib/Target/ARM/ARMISelLowering.h
  lib/Target/Hexagon/HexagonISelLowering.cpp
  lib/Target/Hexagon/HexagonISelLowering.h
  lib/Target/Mips/MipsISelLowering.cpp
  lib/Target/Mips/MipsISelLowering.h
  lib/Target/PowerPC/PPCISelLowering.cpp
  lib/Target/PowerPC/PPCISelLowering.h
  lib/Target/SystemZ/SystemZISelLowering.cpp
  lib/Target/SystemZ/SystemZISelLowering.h
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86ISelLowering.h
  test/CodeGen/AArch64/arm64-fp-imm-size.ll

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