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path: root/lib/CodeGen/RegAllocBase.cpp
AgeCommit message (Collapse)Author
2012-05-12Don't look for empty live ranges in the unions.Jakob Stoklund Olesen
Empty live ranges represent undef and still get allocated, but they won't appear in LiveIntervalUnions. Patch by Patrik Hägglund! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156685 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-02Moved LiveRangeEdit.h so that it can be called from other parts of the ↵Pete Cooper
backend, not just libCodeGen git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153906 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Use uint16_t to store register overlaps to reduce static data.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152001 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-11Sink spillInterferences into RABasic.Jakob Stoklund Olesen
This helper method is too simplistic for RAGreedy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147976 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-11Move RegAllocBase into its own cpp file separate from RABasic.Jakob Stoklund Olesen
No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147972 91177308-0d34-0410-b5e6-96231b3b80d8