Use llvm.dbg.cu named metadata to collect compile units.
llvm-svn: 130756
diff --git a/llvm/docs/SourceLevelDebugging.html b/llvm/docs/SourceLevelDebugging.html
index c9ae020..4c4439f 100644
--- a/llvm/docs/SourceLevelDebugging.html
+++ b/llvm/docs/SourceLevelDebugging.html
@@ -342,7 +342,9 @@
that produced it.</p>
<p>Compile unit descriptors provide the root context for objects declared in a
- specific compilation unit. File descriptors are defined using this context.</p>
+ specific compilation unit. File descriptors are defined using this context.
+ These descriptors are collected by a named metadata
+ <tt>!llvm.dbg.cu</tt>.
</div>