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3 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
7fe0620525 Remove the local register allocator. 
Please use the fast allocator instead.

llvm-svn: 106051
 2010-06-15 21:58:33 +00:00
Jakob Stoklund Olesen
e27902ac68 Simplify the tracking of used physregs to a bulk bitor followed by a transitive 
closure after allocating all blocks.

Add a few more test cases for -regalloc=fast.

llvm-svn: 103500
 2010-05-11 20:30:28 +00:00
Chris Lattner
2e9f3b2865 fix PR4767, a crash because fp stackifier visited blocks in 
depth first order, so it wouldn't process unreachable blocks.
When compiling at -O0, late dead block elimination isn't done
and the bad instructions got to isel.

llvm-svn: 81187
 2009-09-08 04:55:44 +00:00