add an option to not auto-process abbreviations in advance()


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172946 91177308-0d34-0410-b5e6-96231b3b80d8
convert the bitstream reader itself and the IR .bc file parser to use the new advance() APIs,
simplifying things and making a bunch of details more private to BitstreamCursor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172947 91177308-0d34-0410-b5e6-96231b3b80d8
docs: Inline documentation structure into homepage.

This brings back {Ctrl,Cmd}-f'ability, and makes some really bad
organizational choices easier to see (and therefore fix).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172949 91177308-0d34-0410-b5e6-96231b3b80d8
docs: Use proper markup.

These are really definition lists.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172950 91177308-0d34-0410-b5e6-96231b3b80d8
switch llvm-bcanalyzer onto the new cursor APIs, allowing deletion of
the old ReadRecord methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172952 91177308-0d34-0410-b5e6-96231b3b80d8
trivial micro-optimization: lazily call the virtual method instead of eagerly calling it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172953 91177308-0d34-0410-b5e6-96231b3b80d8