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

Summary

  1. [LegalizeDAG] Use MachinePointerInfo::getUnknownStack in place of MachinePointerInfo() in a couple places. NFC (details)
Commit 796ae8cf8208302a5d3be6c9c5a187a5583e1af0 by craig.topper
[LegalizeDAG] Use MachinePointerInfo::getUnknownStack in place of MachinePointerInfo() in a couple places. NFC

We know the pointer somewhere on the stack, we just don't know
exactly where since the index may be variable.

Differential Revision: https://reviews.llvm.org/D80060
The file was modifiedllvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp