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RegisterPressure: LiveRegSet tracks register units not physregs
authorMatthias Braun <matze@braunis.de>
Tue, 29 Sep 2015 00:20:32 +0000 (00:20 +0000)
committerMatthias Braun <matze@braunis.de>
Tue, 29 Sep 2015 00:20:32 +0000 (00:20 +0000)
commit64ffcd4e983e4159bcb39104e77f2eb2a15473b7
treeaf29689d48c03b068dbc725ee14cc7db74b8cc6d
parentc18144386497cf02082206ddb6cc78e45d5e3667
RegisterPressure: LiveRegSet tracks register units not physregs

There are always more physical registers and register units so the
previous behaviour was correct but we can do with less memory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248767 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/RegisterPressure.cpp