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Diffstat (limited to 'docs/SourceLevelDebugging.html')
| -rw-r--r-- | docs/SourceLevelDebugging.html | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/SourceLevelDebugging.html b/docs/SourceLevelDebugging.html index 66a9a2e34e..f92a1656a9 100644 --- a/docs/SourceLevelDebugging.html +++ b/docs/SourceLevelDebugging.html @@ -1069,6 +1069,18 @@ int main(int argc, char *argv[]) { </pre> </div> +<p>llvm::Instruction provides easy access to metadata attached with an +instruction. One can extract line number information encoded in LLVM IR +using <tt>Instruction::getMetadata()</tt> and +<tt>DILocation::getLineNumber()</tt>. +<pre> + if (MDNode *N = I->getMetadata("dbg")) { // Here I is an LLVM instruction + DILocation Loc(N); // DILocation is in DebugInfo.h + unsigned Line = Loc.getLineNumber(); + StringRef File = Loc.getFilename(); + StringRef Dir = Loc.getDirectory(); + } +</pre> </div> <!-- ======================================================================= --> |