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205 Commits

Author SHA1 Message Date
Evan Cheng f030f2d628 Only safe to use a call-clobbered or spilled callee-saved register as scratch register. 
llvm-svn: 35010
 2007-03-07 20:30:36 +00:00
Evan Cheng 2818fdd019 Fix some brittle code. Watch out for cases where register scavenger is pointing to deleted instructions. 
llvm-svn: 34998
 2007-03-07 02:38:05 +00:00
Evan Cheng 41bc2fd242 Make load / store optimizer use register scavenger. 
llvm-svn: 34986
 2007-03-06 21:59:20 +00:00
Evan Cheng d28de6700b Code clean up. Prepare to use register scavenger. 
llvm-svn: 34976
 2007-03-06 18:02:41 +00:00
Evan Cheng 10043e215b ARM backend contribution from Apple. 
llvm-svn: 33353
 2007-01-19 07:51:42 +00:00