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Author SHA1 Message Date
Bill Wendling 2c8685e327 Rework test so that it reproduces the error without the horrible flag. 
llvm-svn: 161989
 2012-08-15 21:10:18 +00:00
Bill Wendling 97b9359623 Do trivial CSE of dead BBs during codegen preparation. 
Some BBs can become dead after codegen preparation. If we delete them here, it
could help enable tail-call optimizations later on.
<rdar://problem/10256573>

llvm-svn: 152002
 2012-03-04 10:46:01 +00:00
Evan Cheng 42401d6af2 Do not form thumb2 ldrd / strd if the offset is by multiple of 4. rdar://9133587 
llvm-svn: 127683
 2011-03-15 18:41:52 +00:00