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| author | Brian Gesiak <modocache@gmail.com> | 2017-05-04 16:50:37 +0000 |
|---|---|---|
| committer | Brian Gesiak <modocache@gmail.com> | 2017-05-04 16:50:37 +0000 |
| commit | 97bb64d76e3d20345293f1f40b9027d529bf40c4 (patch) | |
| tree | a47aa2933cdba1abb49a92238ef0e904e6b687a7 /docs | |
| parent | cf1aa41d0281b52fad6343b495b503dc0964ff7a (diff) | |
[Lexicon] Add BDCE
Summary: Add an entry to the Lexicon for "BDCE."
Reviewers: jmolloy, hfinkel
Reviewed By: jmolloy
Differential Revision: https://reviews.llvm.org/D31861
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302169 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/Lexicon.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/Lexicon.rst b/docs/Lexicon.rst index 5d16091e27e5..35687e258182 100644 --- a/docs/Lexicon.rst +++ b/docs/Lexicon.rst @@ -38,6 +38,13 @@ B **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 |