[llvm] r244238 - Update docs for accessing !dbg attachments

[Duncan P. N. Exon Smith via llvm-commits]

Author: dexonsmith
Date: Thu Aug  6 13:15:25 2015
New Revision: 244238

URL: http://llvm.org/viewvc/llvm-project?rev=244238&view=rev
Log:
Update docs for accessing !dbg attachments

Modified:
    llvm/trunk/docs/SourceLevelDebugging.rst

Modified: llvm/trunk/docs/SourceLevelDebugging.rst
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/SourceLevelDebugging.rst?rev=244238&r1=244237&r2=244238&view=diff
==============================================================================
--- llvm/trunk/docs/SourceLevelDebugging.rst (original)
+++ llvm/trunk/docs/SourceLevelDebugging.rst Thu Aug  6 13:15:25 2015
@@ -368,15 +368,14 @@ C/C++ source file information
 
 ``llvm::Instruction`` provides easy access to metadata attached with an
 instruction.  One can extract line number information encoded in LLVM IR using
-``Instruction::getMetadata()`` and ``DILocation::getLineNumber()``.
+``Instruction::getDebugLoc()`` and ``DILocation::getLine()``.
 
 .. code-block:: c++
 
-  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();
+  if (DILocation *Loc = I->getDebugLoc()) { // Here I is an LLVM instruction
+    unsigned Line = Loc->getLine();
+    StringRef File = Loc->getFilename();
+    StringRef Dir = Loc->getDirectory();
   }
 
 C/C++ global variable information