Summary: Add an entry to the Lexicon for "BDCE."
Reviewers: jmolloy, hfinkel
Reviewed By: jmolloy
Differential Revision: https://reviews.llvm.org/D31861
llvm-svn: 302169
**BB Vectorization**
Basic-Block Vectorization
+**BDCE**
+ Bit-tracking dead code elimination. Some bit-wise instructions (shifts,
+ ands, ors, etc.) "kill" some of their input bits -- that is, they make it
+ such that those bits can be either zero or one without affecting control or
+ data flow of a program. The BDCE pass removes instructions that only
+ compute these dead bits.
+
**BURS**
Bottom Up Rewriting System --- A method of instruction selection for code
generation. An example is the `BURG