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Is it possible to get a virtual register and then use that to create a real register? I've seen it done in unittests/CodeGen/MachineInstrTest.cpp like this: unsigned VirtualDef1 = -42; VD1VU->addOperand(*MF, MachineOperand::CreateReg(VirtualDef1, /*isDef*/ true)); But when I do that in my code I get an assertion so I wasn't sure if it's legal or not. Thanks. ________________________________ From: David Greene <dag at cray.com> Sent...

Hi, I'm new to LLVM. I'd like to know if there is a method I can call whenever I need any available CPU register. Thanks. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20181222/e916b214/attachment.html>