1 files changed, 20 insertions, 0 deletions
diff --git a/lib/DebugInfo/PDB/PDBSymbolCompiland.cpp b/lib/DebugInfo/PDB/PDBSymbolCompiland.cpp
index 74369148e26e5..ebff08846cace 100644
--- a/lib/DebugInfo/PDB/PDBSymbolCompiland.cpp
+++ b/lib/DebugInfo/PDB/PDBSymbolCompiland.cpp
@@ -8,12 +8,14 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolCompilandEnv.h"
 
 #include "llvm/DebugInfo/PDB/PDBSymDumper.h"
 
 #include <utility>
 
 using namespace llvm;
+using namespace llvm::pdb;
 
 PDBSymbolCompiland::PDBSymbolCompiland(const IPDBSession &PDBSession,
                                        std::unique_ptr<IPDBRawSymbol> Symbol)
@@ -22,3 +24,21 @@ PDBSymbolCompiland::PDBSymbolCompiland(const IPDBSession &PDBSession,
 void PDBSymbolCompiland::dump(PDBSymDumper &Dumper) const {
   Dumper.dump(*this);
 }
+
+std::string PDBSymbolCompiland::getSourceFileName() const
+{
+    std::string Result = RawSymbol->getSourceFileName();
+    if (!Result.empty())
+        return Result;
+    auto Envs = findAllChildren<PDBSymbolCompilandEnv>();
+    if (!Envs)
+        return std::string();
+    while (auto Env = Envs->getNext()) {
+        std::string Var = Env->getName();
+        if (Var != "src")
+            continue;
+        std::string Value = Env->getValue();
+        return Value;
+    }
+    return std::string();
+}