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srxacc
2014 Sep 01
3
[LLVMdev] understanding DAG: node creation
Hi,
I'm not sure. But in your lowered DAG the chain nodes are the first
operands for you custom nodes, however for the other nodes the chain is
the last operand. I seem to remember that during targetlowering the
chain is the first operand and then it seems to switch over after
ISelDAG, this confused me and may have something to do with the issue
that you are seeing. I really don't