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Changes from Git (git http://labmaster3.local/git/llvm-project.git)

Summary

  1. GlobalISel: Scalarize all division operations (details)
Commit d12f2a2998450213f065ee3c9b21275416cb7f90 by arsenm2
GlobalISel: Scalarize all division operations
This only handled G_SDIV, but they all are trivially scalarizable.
Also define placeholder AMDGPU division legalizer rules.
The file was modifiedllvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
The file was addedllvm/test/CodeGen/AMDGPU/GlobalISel/legalize-udiv.mir
The file was addedllvm/test/CodeGen/AMDGPU/GlobalISel/legalize-urem.mir
The file was modifiedllvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
The file was addedllvm/test/CodeGen/AMDGPU/GlobalISel/legalize-srem.mir
The file was addedllvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sdiv.mir