diff options
| -rw-r--r-- | docs/SourceLevelDebugging.html | 4 | ||||
| -rw-r--r-- | lib/Analysis/DIBuilder.cpp | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/docs/SourceLevelDebugging.html b/docs/SourceLevelDebugging.html index c9ae0202de..4c4439fd59 100644 --- a/docs/SourceLevelDebugging.html +++ b/docs/SourceLevelDebugging.html @@ -342,7 +342,9 @@ height="369"> 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> diff --git a/lib/Analysis/DIBuilder.cpp b/lib/Analysis/DIBuilder.cpp index dc98c9e67a..1375e497ac 100644 --- a/lib/Analysis/DIBuilder.cpp +++ b/lib/Analysis/DIBuilder.cpp @@ -51,6 +51,10 @@ void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename, ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeVer) }; TheCU = DICompileUnit(MDNode::get(VMContext, Elts)); + + // Create a named metadata so that it is easier to find cu in a module. + NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.cu"); + NMD->addOperand(TheCU); } /// createFile - Create a file descriptor to hold debugging information |