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| -rw-r--r-- | llvm/docs/SourceLevelDebugging.rst | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/llvm/docs/SourceLevelDebugging.rst b/llvm/docs/SourceLevelDebugging.rst index 67b81c61d8a..b98fd33002a 100644 --- a/llvm/docs/SourceLevelDebugging.rst +++ b/llvm/docs/SourceLevelDebugging.rst @@ -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 |
