Commit Graph

4 Commits

Author SHA1 Message Date
Evan Cheng f4807a19e8 Avoid partial CPSR dependency from loop backedges. rdar://10357570
llvm-svn: 143145
2011-10-27 21:21:05 +00:00
Jim Grosbach 8d77bb5f06 Use regex to remove false dependencies on register allocation.
llvm-svn: 138137
2011-08-19 23:10:31 +00:00
Jim Grosbach 066e9ec1e4 Update tests.
llvm-svn: 138116
2011-08-19 22:19:48 +00:00
Bob Wilson a2881ee8a4 Avoid some 's' 16-bit instruction which partially update CPSR
(and add false dependency) when it isn't dependent on last CPSR defining
instruction. rdar://8928208

llvm-svn: 129773
2011-04-19 18:11:49 +00:00