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(parent: 7a905a8) | patch
Add MachineLoopRanges analysis.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Wed, 15 Dec 2010 23:41:23 +0000 (23:41 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Wed, 15 Dec 2010 23:41:23 +0000 (23:41 +0000)
commitceadc01e9101329cd820ee687f85c012e9609ab1
tree8df396bd80a1625eb06eb39fdd97a355002cfc04tree | snapshot
parent7a905a82f7425d1a10b828c8bb3365b2ebc15833commit | diff
Add MachineLoopRanges analysis.

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
include/llvm/CodeGen/MachineLoopRanges.h [new file with mode: 0644] blob
include/llvm/CodeGen/Passes.h diff | blob | history
include/llvm/InitializePasses.h diff | blob | history
lib/CodeGen/CMakeLists.txt diff | blob | history
lib/CodeGen/MachineLoopRanges.cpp [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors