From 7d53e449a9c50f5fdf7f3c3494c94fa31269cd68 Mon Sep 17 00:00:00 2001
From: Philipp Hansch <dev@phansch.net>
Date: Mon, 5 Feb 2018 20:39:35 +0100
Subject: [PATCH] Add DAG to glossary

---
 src/glossary.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/glossary.md b/src/glossary.md
index 91af4c7d..de1390d5 100644
--- a/src/glossary.md
+++ b/src/glossary.md
@@ -6,6 +6,7 @@ The compiler uses a number of...idiosyncratic abbreviations and things. This glo
 Term                    | Meaning
 ------------------------|--------
 AST                     |  the abstract syntax tree produced by the syntax crate; reflects user syntax very closely.
+DAG                     |  a directed acyclic graph is used during compilation to index which queries execute which other queries. ([see more](incremental-compilation.html))
 codegen unit            |  when we produce LLVM IR, we group the Rust code into a number of codegen units. Each of these units is processed by LLVM independently from one another, enabling parallelism. They are also the unit of incremental re-use.
 cx                      |  we tend to use "cx" as an abbrevation for context. See also `tcx`, `infcx`, etc.
 DefId                   |  an index identifying a definition (see `librustc/hir/def_id.rs`). Uniquely identifies a `DefPath`.