[all-commits] [llvm/llvm-project] a98d61: Fixed assertion in SROA if block has ho successors

[Stanislav Mekhanoshin via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: a98d618f6e5f6429378ac1474b6df7ce1878061d
      https://github.com/llvm/llvm-project/commit/a98d618f6e5f6429378ac1474b6df7ce1878061d
  Author: Stanislav Mekhanoshin <Stanislav.Mekhanoshin at amd.com>
  Date:   2020-06-11 (Thu, 11 Jun 2020)

  Changed paths:
    M llvm/lib/Transforms/Scalar/SROA.cpp
    M llvm/test/Transforms/SROA/phi-gep.ll

  Log Message:
  -----------
  Fixed assertion in SROA if block has ho successors

BasicBlock::isLegalToHoistInto() asserts if block does not
have successors. The case is degenarate but assertion still
needs to be avoided.

https://bugs.llvm.org/show_bug.cgi?id=46280

Differential Revision: https://reviews.llvm.org/D81674