[all-commits] [llvm/llvm-project] f9a42e: AMDGPU: Relax 32-bit SGPR register class

Matt Arsenault via All-commits all-commits at lists.llvm.org
Fri Oct 18 11:25:41 PDT 2019 

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: f9a42ed0a7f67979cdd20391366e2a059c2e14c8
      https://github.com/llvm/llvm-project/commit/f9a42ed0a7f67979cdd20391366e2a059c2e14c8
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2019-10-18 (Fri, 18 Oct 2019)

  Changed paths:
    M llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
    M llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
    M llvm/lib/Target/AMDGPU/SIISelLowering.cpp
    M llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
    M llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
    M llvm/lib/Target/AMDGPU/SIRegisterInfo.h
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-add.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.class.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.class.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.cos.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.cos.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.cvt.pk.i16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.cvt.pk.u16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.cvt.pknorm.i16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.cvt.pknorm.u16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.cvt.pkrtz.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.fmed3.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.fmed3.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.fract.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.fract.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.ldexp.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.ldexp.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.mbcnt.lo.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.rcp.legacy.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.rcp.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.rcp.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.rsq.clamp.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.rsq.legacy.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.rsq.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.rsq.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.s.sendmsg.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.sffbh.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.sin.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgcn.sin.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-amdgpu-ffbh-u32.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-and.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-anyext.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ashr.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ashr.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-bitreverse.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-brcond.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-build-vector.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-concat-vectors.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-constant.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-copy.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ctpop.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-extract.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fabs.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fcmp.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fcmp.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ffloor.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ffloor.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fmaxnum-ieee.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fmaxnum.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fminnum-ieee.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fminnum.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fmul.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fneg.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fptosi.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-fptoui.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-frame-index.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-gep.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-icmp.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-implicit-def.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-insert.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-load-constant.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-load-smrd.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-lshr.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-lshr.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-merge-values.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-mul.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-or.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-phi.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ptr-mask.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-ptrtoint.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-select.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-sext.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-shl.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-shl.s16.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-sitofp.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-smax.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-smin.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-smulh.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-sub.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-trunc.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-uaddo.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-uitofp.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-umax.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-umin.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-umulh.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-unmerge-values.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-usubo.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-xor.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-zext.mir
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.raw.buffer.store.format.f16.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.raw.buffer.store.format.f32.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.raw.buffer.store.ll
    M llvm/test/CodeGen/AMDGPU/buffer-intrinsics-mmo-offsets.ll
    M llvm/test/CodeGen/AMDGPU/extract_subvector_vec4_vec3.ll
    M llvm/test/CodeGen/AMDGPU/inline-constraints.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.readfirstlane.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.readlane.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.writelane.ll
    M llvm/test/CodeGen/AMDGPU/read_register.ll

  Log Message:
  -----------
  AMDGPU: Relax 32-bit SGPR register class

Mostly use SReg_32 instead of SReg_32_XM0 for arbitrary values. This
will allow the register coalescer to do a better job eliminating
copies to m0.

For GlobalISel, as a terrible hack, use SGPR_32 for things that should
use SCC until booleans are solved.

llvm-svn: 375267

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