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52 Commits

Author SHA1 Message Date
Lang Hames
4c052261de Changed slot index ranges for MachineBasicBlocks to be exclusive of endpoint. 
This fixes an in-place update bug where code inserted at the end of basic blocks may not be covered by existing intervals which were live across the entire block. It is also consistent with the way ranges are specified for live intervals.

llvm-svn: 91859
 2009-12-22 00:11:50 +00:00
Lang Hames
d17e296301 Moved spill weight calculation out of SimpleRegisterCoalescing and into its own pass: CalculateSpillWeights. 
llvm-svn: 91273
 2009-12-14 06:49:42 +00:00