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(parent: e41ebcc) | patch
If the live interval legnth is essentially zero, i.e. in every live range
authorEvan Cheng <evan.cheng@apple.com>
Wed, 10 May 2006 22:30:41 +0000 (22:30 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Wed, 10 May 2006 22:30:41 +0000 (22:30 +0000)
commit1f300190f35ac0f99403ead9363d40ecfc98df89
tree4d54fabbcdca33e67ce5c561a273ae5b4418ff48tree | snapshot
parente41ebccafd8521197b262712f48eeafc1315bf2ccommit | diff
If the live interval legnth is essentially zero, i.e. in every live range
the use follows def immediately, it doesn't make sense to spill it and
hope it will be easier to allocate for this LI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28217 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/RegAllocLinearScan.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors