[all-commits] [llvm/llvm-project] 6d340e: [flang] fixing alloca hoisting for blocks having s...

[Vijay Kandiah via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6d340e4c448c14b7103fddfec7d429b9d535611d
      https://github.com/llvm/llvm-project/commit/6d340e4c448c14b7103fddfec7d429b9d535611d
  Author: Vijay Kandiah <vkandiah at nvidia.com>
  Date:   2024-06-19 (Wed, 19 Jun 2024)

  Changed paths:
    M flang/lib/Optimizer/CodeGen/CodeGen.cpp
    M flang/test/Fir/convert-to-llvm-openmp-and-fir.fir
    M flang/test/Fir/convert-to-llvm.fir

  Log Message:
  -----------
  [flang] fixing alloca hoisting for blocks having single op. (#96009)

This change fixes the issue
https://github.com/llvm/llvm-project/issues/95977 due to commit
c0cba5198155dba246ddd5764f57595d9bbbddef inserting allocas after the
terminator op in the insertion block in the case where the block had
only a single operation, its terminator, in it. With this change, the
hoisted constant-sized allocas are placed at the front of the insertion
block, rather than right after the first operation in it.



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