[all-commits] [llvm/llvm-project] f4515a: Revert "[CodeGen][AArch64] Ensure isSExtCheaperTha...

[david-arm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f4515ab858ec3ac87ee63aacdf29647bc64b0de4
      https://github.com/llvm/llvm-project/commit/f4515ab858ec3ac87ee63aacdf29647bc64b0de4
  Author: David Sherwood <david.sherwood at arm.com>
  Date:   2022-01-18 (Tue, 18 Jan 2022)

  Changed paths:
    M llvm/include/llvm/CodeGen/TargetLowering.h
    M llvm/lib/CodeGen/CodeGenPrepare.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.h
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVISelLowering.h
    M llvm/test/CodeGen/AArch64/funnel-shift.ll
    M llvm/test/CodeGen/AArch64/reduce-and.ll
    M llvm/test/CodeGen/AArch64/sve-vector-splat.ll
    M llvm/test/CodeGen/AArch64/unfold-masked-merge-vector-variablemask.ll
    M llvm/test/CodeGen/AArch64/vecreduce-and-legalization.ll

  Log Message:
  -----------
  Revert "[CodeGen][AArch64] Ensure isSExtCheaperThanZExt returns true for negative constants"

This reverts commit 197f3c0deb76951315118ef13937b67ea9cbd5aa.

Reverting after miscompilation errors discovered with ffmpeg.