[all-commits] [llvm/llvm-project] 08d7ee: Revert "Allow rematerialization of virtual reg uses"

[Stanislav Mekhanoshin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 08d7eec06e8cf5c15a96ce11f311f1480291a441
      https://github.com/llvm/llvm-project/commit/08d7eec06e8cf5c15a96ce11f311f1480291a441
  Author: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
  Date:   2021-09-24 (Fri, 24 Sep 2021)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetInstrInfo.h
    M llvm/lib/CodeGen/TargetInstrInfo.cpp
    M llvm/test/CodeGen/AMDGPU/remat-sop.mir
    M llvm/test/CodeGen/ARM/arm-shrink-wrapping-linux.ll
    M llvm/test/CodeGen/ARM/funnel-shift-rot.ll
    M llvm/test/CodeGen/ARM/funnel-shift.ll
    M llvm/test/CodeGen/ARM/illegal-bitfield-loadstore.ll
    M llvm/test/CodeGen/ARM/neon-copy.ll
    M llvm/test/CodeGen/Mips/llvm-ir/ashr.ll
    M llvm/test/CodeGen/Mips/llvm-ir/lshr.ll
    M llvm/test/CodeGen/Mips/llvm-ir/shl.ll
    M llvm/test/CodeGen/Mips/llvm-ir/sub.ll
    M llvm/test/CodeGen/Mips/tls.ll
    M llvm/test/CodeGen/RISCV/atomic-rmw.ll
    M llvm/test/CodeGen/RISCV/atomic-signext.ll
    M llvm/test/CodeGen/RISCV/bswap-ctlz-cttz-ctpop.ll
    M llvm/test/CodeGen/RISCV/mul.ll
    M llvm/test/CodeGen/RISCV/rv32i-rv64i-half.ll
    M llvm/test/CodeGen/RISCV/rv32zbb-zbp.ll
    M llvm/test/CodeGen/RISCV/rv32zbb.ll
    M llvm/test/CodeGen/RISCV/rv32zbp.ll
    M llvm/test/CodeGen/RISCV/rv32zbt.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-bitreverse.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-bswap.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-ctlz.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-cttz.ll
    M llvm/test/CodeGen/RISCV/shifts.ll
    M llvm/test/CodeGen/RISCV/srem-vector-lkk.ll
    M llvm/test/CodeGen/RISCV/urem-vector-lkk.ll
    M llvm/test/CodeGen/Thumb/dyn-stackalloc.ll
    M llvm/test/CodeGen/Thumb2/LowOverheadLoops/tail-pred-disabled-in-loloops.ll
    M llvm/test/CodeGen/Thumb2/LowOverheadLoops/varying-outer-2d-reduction.ll
    M llvm/test/CodeGen/Thumb2/LowOverheadLoops/while-loops.ll
    M llvm/test/CodeGen/Thumb2/ldr-str-imm12.ll
    M llvm/test/CodeGen/Thumb2/mve-float16regloops.ll
    M llvm/test/CodeGen/Thumb2/mve-float32regloops.ll
    M llvm/test/CodeGen/Thumb2/mve-postinc-dct.ll
    M llvm/test/CodeGen/X86/addcarry.ll
    M llvm/test/CodeGen/X86/callbr-asm-blockplacement.ll
    M llvm/test/CodeGen/X86/dag-update-nodetomatch.ll
    M llvm/test/CodeGen/X86/delete-dead-instrs-with-live-uses.mir
    M llvm/test/CodeGen/X86/inalloca-invoke.ll
    M llvm/test/CodeGen/X86/licm-regpressure.ll
    M llvm/test/CodeGen/X86/ragreedy-hoist-spill.ll
    M llvm/test/CodeGen/X86/sdiv_fix.ll

  Log Message:
  -----------
  Revert "Allow rematerialization of virtual reg uses"

Reverted due to two distcint performance regression reports.

This reverts commit 92c1fd19abb15bc68b1127a26137a69e033cdb39.