[all-commits] [llvm/llvm-project] f38582: [X86] Alternate implementation of D88194.

[Craig Topper via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: f385823e04f300c92ec03dbd660d621cc618a271
      https://github.com/llvm/llvm-project/commit/f385823e04f300c92ec03dbd660d621cc618a271
  Author: Craig Topper <craig.topper at gmail.com>
  Date:   2020-10-27 (Tue, 27 Oct 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
    M llvm/lib/Target/X86/X86IndirectBranchTracking.cpp
    M llvm/test/CodeGen/X86/cet_endbr_imm_enhance.ll

  Log Message:
  -----------
  [X86] Alternate implementation of D88194.

This uses PreprocessISelDAG to replace the constant before
instruction selection instead of matching opcodes after.

Reviewed By: pengfei

Differential Revision: https://reviews.llvm.org/D89178