Reuse live interval union between functions. This saves a bit of compile time
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Mon, 11 Apr 2011 23:57:14 +0000 (23:57 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Mon, 11 Apr 2011 23:57:14 +0000 (23:57 +0000)
commit560ab9ebf78532df11188770c916c4eb6dcce1b2
treed743cb438ab55badddfbe29bfc453d35d1deee6c
parentde16508955698a0f8890e0d54fee24efc9277ecd
Reuse live interval union between functions. This saves a bit of compile time
when compiling many small functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129321 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/LiveIntervalUnion.h
lib/CodeGen/RegAllocBasic.cpp