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BitVector uses the native word size for its internal representation.
That doesn't work well for literal bit masks in source code.
This patch adds BitVector operations to efficiently apply literal bit
masks specified as arrays of uint32_t. Since each array entry always
holds exactly 32 bits, these portable bit masks can be source code
literals, probably produced by TableGen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148272 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114830 91177308-0d34-0410-b5e6-96231b3b80d8
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and fix a bug in BitVector's reference proxy class which this exposed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102768 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95779 91177308-0d34-0410-b5e6-96231b3b80d8
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restriction in BitVector for |= and ^= that the operand must be the
same length.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95768 91177308-0d34-0410-b5e6-96231b3b80d8
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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.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95700 91177308-0d34-0410-b5e6-96231b3b80d8
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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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92730 91177308-0d34-0410-b5e6-96231b3b80d8
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