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2007 Aug 16
0
[LLVMdev] Changing basic blocks
Hi all,
A week agoo I sent an email about reordering instruction in basicblocks.
And ... I was able to do it. I guess so, at least.
Now when compiling my test program, llc dumps:
--
llc: /home/mentat/llvm_work/llvm/lib/CodeGen/LiveVariables.cpp:155: void
llvm::LiveVariables::HandleVirtRegUse(llvm::LiveVariables::VarInfo&,
llvm::MachineBasicBlock*, llvm::MachineInstr*): Assertion `VRInfo.DefInst &&
"Register use before def!"' failed.
llc((anonymous namespace)::PrintStackTrace()+0...
2007 Aug 10
2
[LLVMdev] Changing basic blocks
For adding the nop:
TII->insertNoop(*BB, BB->end());
2007/8/9, Chris Lattner <sabre at nondot.org>:
>
> On Thu, 9 Aug 2007, [ISO-8859-1] EmÃlio Wuerges wrote:
> > I too believe it should not be complicated.
> > But I was not being able to do it.
> > Finally, after some thinking (and tinkering), this worked like a charm:
> >
> > MachineInstr* mi =