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

Summary

  1. [BranchRelaxation] Simplify offset computation and fix a bug in (details)
Commit 886d2c2ca75f01b5a094c160aee911a04421dd56 by maskray
[BranchRelaxation] Simplify offset computation and fix a bug in
adjustBlockOffsets()
If Start!=0, adjustBlockOffsets() may unnecessarily adjust the offset of
Start. There is no correctness issue, but it can create more block
splits.
The file was modifiedllvm/lib/CodeGen/BranchRelaxation.cpp
The file was modifiedllvm/test/CodeGen/AArch64/branch-relax-bcc.ll
The file was modifiedllvm/test/CodeGen/AMDGPU/branch-relaxation.ll