[LLVMdev] BasicBlock succ iterator
fifield at colorado.edu
Thu Oct 13 07:36:31 PDT 2011
This may also be a starting point for you. I think it was someone's
On Thu, Oct 13, 2011 at 12:20 AM, neda 8664 <neda8664 at gmail.com> wrote:
> Hi, All
> I want to implement DSWP Which is used for parallelization of loops. For
> this purpose, the loop was replaced with a new basic block in main function.
> And new functions were created and basic blocks of Loop assigned to them.I
> have checked blocks and branches for Succ and Pred relation and I have not
> found any problems.
> However I get the following error:
> opt: /home/llvm/src/include/llvm/Support/CFG.h:105:
> llvm::SuccIterator<Term_, BB_>::SuccIterator(Term_) [with Term_ =
> llvm::TerminatorInst*, BB_ = llvm::BasicBlock]: Assertion `T &&
> "getTerminator returned null!"' failed.
> 0 opt 0x0848e569
> Stack dump:
> 0. Program arguments: opt -dot-cfg -dot-postdom -dot-dom -load
> /home/llvm/src/Release/lib/parallel.so -parallel obj.o -o out.o
> 1. Running pass 'Function Pass Manager' on module 'obj.o'.
> 2. Running pass 'Loop Pass Manager' on function '@main'
> Aborted (core dumped)
> I do not know why this error occurred.Who knows why this error occurs and
> what should I do?
> Best regards
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> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
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