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2fd0923593
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8 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
2fd0923593 Don't print register names in LiveIntervalUnion::print(). 
Soon we'll be making LiveIntervalUnions for register units as well.

This was the only place using the RepReg member, so just remove it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158038 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-05 23:07:19 +00:00
Jakob Stoklund Olesen
b77ec7d264 Simplify LiveInterval::print(). 
Don't print out the register number and spill weight, making the TRI
argument unnecessary.

This allows callers to interpret the reg field. It can currently be a
virtual register, a physical register, a spill slot, or a register unit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158031 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-05 22:51:54 +00:00
Jakob Stoklund Olesen
396618b43a Switch all register list clients to the new MC*Iterator interface. 
No functional change intended.

Sorry for the churn. The iterator classes are supposed to help avoid
giant commits like this one in the future. The TableGen-produced
register lists are getting quite large, and it may be necessary to
change the table representation.

This makes it possible to do so without changing all clients (again).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157854 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-01 23:28:30 +00:00
Jakob Stoklund Olesen
2b3fa322b8 Don't look for empty live ranges in the unions. 
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
 2012-05-12 00:33:28 +00:00
Pete Cooper
789d5d85ba Moved LiveRangeEdit.h so that it can be called from other parts of the backend, not just libCodeGen 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153906 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-02 22:44:18 +00:00
Craig Topper
e4fd907e72 Use uint16_t to store register overlaps to reduce static data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152001 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-04 10:43:23 +00:00
Jakob Stoklund Olesen
a8bd9a68f7 Sink spillInterferences into RABasic. 
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
 2012-01-11 22:52:14 +00:00
Jakob Stoklund Olesen
ccc9581e8b Move RegAllocBase into its own cpp file separate from RABasic. 
No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147972 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-11 22:28:30 +00:00