search for: ffb87e4c

...); // I've tried these (and others) // OldMI->removeFromParent(); // MBB.erase(OldMI); NumX86Peepholes++; } } -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150211/ffb87e4c/attachment.html>

I'm writing a peephole pass and I'm done with the X86_64 instruction level detail work. But I'm having difficulty with the basic block surgery of replacing the old MachineInst. The peephole pass gets called per MachineFunction and then iterates over each MachineBasicBlock and in turn over each MachineInst. When it finds an instruction which should be replaced, it builds a new