[all-commits] [llvm/llvm-project] 42389f: [VE] Change threshold for jump table generation

[Kazushi Marukawa via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 42389f1e96af9bbca5dbbbb552cc834b21d7d173
      https://github.com/llvm/llvm-project/commit/42389f1e96af9bbca5dbbbb552cc834b21d7d173
  Author: Kazushi (Jam) Marukawa <marukawa at nec.com>
  Date:   2020-11-20 (Fri, 20 Nov 2020)

  Changed paths:
    M llvm/lib/Target/VE/VEISelLowering.cpp
    M llvm/lib/Target/VE/VEISelLowering.h
    M llvm/test/CodeGen/VE/Scalar/br_jt.ll

  Log Message:
  -----------
  [VE] Change threshold for jump table generation

Implement getMinimumJumpTableEntries() to specify threshold for jump
table genaration.  We use 8 for the case of PIC mode to relieve the
impact of PIC calculation required to implement PIC mode jump table.
Update jump table regression test also.

Reviewed By: simoll

Differential Revision: https://reviews.llvm.org/D91785