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3 Commits

Author SHA1 Message Date
Chris Lattner
f9b2e3c68a add a simple dag combine to replace trivial shl+lshr with 
and.  This happens with the store->load narrowing stuff.

llvm-svn: 101348
 2010-04-15 05:28:43 +00:00
Evan Cheng
0f55e9ce2e Don't generate sbfx / ubfx with negative lsb field. Patch by David Conrad. 
llvm-svn: 84813
 2009-10-22 00:40:00 +00:00
Sandeep Patel
423e42b371 Add ARMv6T2 SBFX/UBFX instructions. Approved by Anton Korobeynikov. 
llvm-svn: 84009
 2009-10-13 18:59:48 +00:00