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(parent: b092377) | patch
Abort the constraint calculation early when all positive bias is lost.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Wed, 6 Apr 2011 21:32:38 +0000 (21:32 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Wed, 6 Apr 2011 21:32:38 +0000 (21:32 +0000)
commit1b400e840f58489c7950f815780cf08917cecaa8
tree58fed93ac6c86f86f13b55f3807ece18c7891cfctree | snapshot
parentb0923771c90070d91d685a20f2e774754365a27ccommit | diff
Abort the constraint calculation early when all positive bias is lost.

Without any positive bias, there is nothing for the spill placer to to. It will
spill everywhere.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129029 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/RegAllocGreedy.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors