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Introduce Register Units: Give each leaf register a number.
authorAndrew Trick <atrick@apple.com>
Sat, 31 Mar 2012 01:35:59 +0000 (01:35 +0000)
committerAndrew Trick <atrick@apple.com>
Sat, 31 Mar 2012 01:35:59 +0000 (01:35 +0000)
commitdd9a50196cd75dbcb2bd604754cd62f8c1f30357
tree92a37437028d4ca8fa4953d6dbfb9e2731985ea9tree | snapshot
parent3ee3661f8f10e7f82094a89c40d9118630ab0a40commit | diff
Introduce Register Units: Give each leaf register a number.

First small step toward modeling multi-register multi-pressure. In the
future, register units can also be used to model liveness and
aliasing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153794 91177308-0d34-0410-b5e6-96231b3b80d8
utils/TableGen/CodeGenRegisters.cpp diff | blob | history
utils/TableGen/CodeGenRegisters.h diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors