[PATCH] D129997: [Local] Allow creating callbr with duplicate successors

[Nick Desaulniers via Phabricator via llvm-commits]

nickdesaulniers added a comment.

I think I have a fix:

  diff --git a/llvm/lib/CodeGen/TailDuplicator.cpp b/llvm/lib/CodeGen/TailDuplicator.cpp
  index 18507b8fa84f..dff17df42e74 100644
  --- a/llvm/lib/CodeGen/TailDuplicator.cpp
  +++ b/llvm/lib/CodeGen/TailDuplicator.cpp
  @@ -799,6 +799,8 @@ bool TailDuplicator::canTailDuplicate(MachineBasicBlock *TailBB,
       return false;
     if (!PredCond.empty())
       return false;
  +  if (TailBB->isInlineAsmBrIndirectTarget())
  +    return false;
     return true;
   }


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D129997/new/

https://reviews.llvm.org/D129997