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path: root/lib/CodeGen/MachineLoopRanges.cpp
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2012-11-27llvm/CodeGen: Remove empty files in r168659.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168663 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27Remove unused MachineLoopRanges analysis.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168659 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Add MachineLoopRange comparators for sorting loop lists by number and by area.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122073 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-17Provide LiveIntervalUnion::Query::checkLoopInterference.Jakob Stoklund Olesen
This is a three-way interval list intersection between a virtual register, a live interval union, and a loop. It will be used to identify interference-free loops for live range splitting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-15Add MachineLoopRanges analysis.Jakob Stoklund Olesen
A MachineLoopRange contains the intervals of slot indexes covered by the blocks in a loop. This representation of the loop blocks is more efficient to compare against interfering registers during register coalescing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121917 91177308-0d34-0410-b5e6-96231b3b80d8
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