[all-commits] [llvm/llvm-project] 2771ea: [Hexagon] Fix concat lowering for HVX for 64B vect...

[Santanu Das via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2771ea4ea47db2361b9842211f9e9ee595320af6
      https://github.com/llvm/llvm-project/commit/2771ea4ea47db2361b9842211f9e9ee595320af6
  Author: Santanu Das <quic_santdas at quicinc.com>
  Date:   2024-08-01 (Thu, 01 Aug 2024)

  Changed paths:
    M llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp
    A llvm/test/CodeGen/Hexagon/hvx-concat-lower.ll

  Log Message:
  -----------
  [Hexagon] Fix concat lowering for HVX for 64B vector length (#98318)

When concatenation of vector instructions is formed, as a part of it
vector rotation is performed. The direction of the shift was not
correctly calculated. This fixes the rotation factor.



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