RABasic is nearly functionally complete. There are a few remaining
authorAndrew Trick <atrick@apple.com>
Wed, 10 Nov 2010 19:18:47 +0000 (19:18 +0000)
committerAndrew Trick <atrick@apple.com>
Wed, 10 Nov 2010 19:18:47 +0000 (19:18 +0000)
commitf4baeaf8485f01beda46d29fd55753199dc68070
treec68e38a26d46da8c8a357d8910cf28cf5f219b09
parent4283f4b81e8c1cbf5c7a7b51e949e109ae25ff8c
RABasic is nearly functionally complete. There are a few remaining
benchmarks hitting an assertion.
Adds LiveIntervalUnion::collectInterferingVRegs.
Fixes "late spilling" by checking for any unspillable live vregs among
all physReg aliases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118701 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/LiveIntervalAnalysis.h
lib/CodeGen/InlineSpiller.cpp
lib/CodeGen/LiveIntervalAnalysis.cpp
lib/CodeGen/LiveIntervalUnion.cpp
lib/CodeGen/LiveIntervalUnion.h
lib/CodeGen/RegAllocBase.h
lib/CodeGen/RegAllocBasic.cpp
lib/CodeGen/Spiller.cpp
lib/CodeGen/Spiller.h