[all-commits] [llvm/llvm-project] df323b: Revert "[X86] Support AMX fast register allocation"

[Benjamin Kramer via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: df323ba445f7fc4d29def8950e80dec6ba487961
      https://github.com/llvm/llvm-project/commit/df323ba445f7fc4d29def8950e80dec6ba487961
  Author: Benjamin Kramer <benny.kra at googlemail.com>
  Date:   2021-04-29 (Thu, 29 Apr 2021)

  Changed paths:
    M llvm/include/llvm/CodeGen/Passes.h
    M llvm/include/llvm/CodeGen/TargetPassConfig.h
    M llvm/lib/CodeGen/TargetPassConfig.cpp
    M llvm/lib/Target/X86/CMakeLists.txt
    M llvm/lib/Target/X86/X86.h
    R llvm/lib/Target/X86/X86FastTileConfig.cpp
    M llvm/lib/Target/X86/X86LowerAMXIntrinsics.cpp
    M llvm/lib/Target/X86/X86LowerAMXType.cpp
    R llvm/lib/Target/X86/X86PreAMXConfig.cpp
    M llvm/lib/Target/X86/X86TargetMachine.cpp
    R llvm/test/CodeGen/X86/AMX/amx-configO0toO0.ll
    R llvm/test/CodeGen/X86/AMX/amx-configO2toO0-lower.ll
    R llvm/test/CodeGen/X86/AMX/amx-configO2toO0-precfg.ll
    R llvm/test/CodeGen/X86/AMX/amx-configO2toO0.ll
    R llvm/test/CodeGen/X86/AMX/amx-fast-tile-config.mir
    M llvm/test/CodeGen/X86/AMX/amx-low-intrinsics-no-amx-bitcast.ll
    M llvm/test/CodeGen/X86/AMX/amx-low-intrinsics.ll
    M llvm/test/CodeGen/X86/O0-pipeline.ll
    M llvm/tools/opt/opt.cpp
    M llvm/utils/gn/secondary/llvm/lib/Target/X86/BUILD.gn

  Log Message:
  -----------
  Revert "[X86] Support AMX fast register allocation"

This reverts commit 3b8ec86fd576b9808dc63da620d9a4f7bbe04372.

Revert "[X86] Refine AMX fast register allocation"

This reverts commit c3f95e9197643b699b891ca416ce7d72cf89f5fc.

This pass breaks using LLVM in a multi-threaded environment by
introducing global state.