SuccessChanges

Changes from Git (git https://github.com/llvm/llvm-project.git)

Summary

  1. GlobalISel: Combine `op undef, x` to 0 (details)
Commit 1242dd330d9054a57c1403f16d5487f9e3a3a92f by vkeles
GlobalISel: Combine `op undef, x` to 0

https://reviews.llvm.org/D86611
The file was modifiedllvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
The file was modifiedllvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
The file was modifiedllvm/include/llvm/Target/GlobalISel/Combine.td
The file was addedllvm/test/CodeGen/AArch64/GlobalISel/combine-shl.mir