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Author SHA1 Message Date
Jakob Stoklund Olesen 33a1b416ac Don't run RAFast in the optimizing regalloc pipeline. 
The fast register allocator is not supposed to work in the optimizing
pipeline. It doesn't make sense to compute live intervals, run full copy
coalescing, and then run RAFast.

Fast register allocation in the optimizing pipeline is better done by
RABasic.

llvm-svn: 158242
 2012-06-08 23:15:12 +00:00
Jakob Stoklund Olesen 955a0e71e9 Make sure to add kill flags to the last use of a virtreg when it is redefined. 
The X86 floating point stack pass and others depend on good kill flags.

llvm-svn: 103635
 2010-05-12 18:46:03 +00:00