[PATCH] [ARM] Be Conservative when coalescing into SP

Matthias Braun matze at braunis.de
Fri Jun 5 15:38:53 PDT 2015


Hmm I think the RegisterCoalescer is correct. Maybe it would be better
to use a register class for the Rn input that doesn't have sp in it and create new opcodes for the "sub sp" cases.


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http://reviews.llvm.org/D10287

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