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4 Commits

Author SHA1 Message Date
Benjamin Kramer
0a0f0f6465 Silence GCC warnings. 
llvm-svn: 95779
 2010-02-10 13:34:02 +00:00
Dan Gohman
2dd0d36f14 Implement operators |=, &=, and ^= for SmallBitVector, and remove the 
restriction in BitVector for |= and ^= that the operand must be the
same length.

llvm-svn: 95768
 2010-02-10 05:54:04 +00:00
Dale Johannesen
af10702e49 Disable unittests/ADT/BitVectorTest on PPC Darwin. 
It fails with a release build only, for reasons
as yet unknown.  (If there's a better way to Xfail
things here let me know, doesn't seem to be any
prior art in unittests.)

llvm-svn: 95700
 2010-02-09 22:15:27 +00:00
Dan Gohman
090f279ac5 Add a SmallBitVector class, which mimics BitVector but uses only 
a single pointer (PointerIntPair) member. In "small" mode, the
pointer field is reinterpreted as a set of bits. In "large" mode,
the pointer points to a heap-allocated object.

Also, give BitVector empty and swap functions.

And, add some simple unittests for BitVector and SmallBitVector.

llvm-svn: 92730
 2010-01-05 15:04:49 +00:00