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2 Commits

Author SHA1 Message Date
Evan Cheng
d08e5b48bc Avoid zero extend bit test operands to pointer type if all the masks fit in 
the original type of the switch statement key.
rdar://8781238


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122935 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-06 01:02:44 +00:00
Dan Gohman
8e0163ac1e Optimize the "bit test" code path for switch lowering in the 
case where the bit mask has exactly one bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106716 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-24 02:06:24 +00:00