[llvm-dev] Guidance on working with the NVIDIA GPU back-end

[CoffeeBeforeArch via llvm-dev]

Hi all,

I'm primarily a hardware person but would like to do some
compiler-architecture co-design research. Are there any good references for
the NVPTX backend? I'd like to change that backend to have a limited number
of physical registers rather than an unlimited number of virtual ones (for
more realistic modeling in a uarch simulator).

Being able to do register allocation and other optimizations on the virtual
ISA (PTX) would be incredibly useful to the research community.

Thanks in advance,

--Nick
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