[all-commits] [llvm/llvm-project] e3fa2b: Revert "[RISCV] Lower more BUILD_VECTOR sequences ...

[Fraser Cormack via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e3fa2b1eab60342dc882b7b888658b03c472fa2b
      https://github.com/llvm/llvm-project/commit/e3fa2b1eab60342dc882b7b888658b03c472fa2b
  Author: Fraser Cormack <fraser at codeplay.com>
  Date:   2021-07-16 (Fri, 16 Jul 2021)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-fp-shuffles.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-int-buildvec.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-int-shuffles.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-int.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-stepvector-rv32.ll
    M llvm/test/CodeGen/RISCV/rvv/fixed-vectors-stepvector-rv64.ll

  Log Message:
  -----------
  Revert "[RISCV] Lower more BUILD_VECTOR sequences to RVV's VID"

This reverts commit a6ca88e908b5befcd9b0f8c8cb40f53095cc17bc.

More caution is required to avoid overflow/underflow. Thanks to the
santizers for catching this.