2 files changed, 11 insertions, 0 deletions
diff --git a/llvm/include/llvm/ExecutionEngine/Orc/Core.h b/llvm/include/llvm/ExecutionEngine/Orc/Core.h
index f7a92ae0fdd..6440d8197d4 100644
--- a/llvm/include/llvm/ExecutionEngine/Orc/Core.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/Core.h
@@ -18,6 +18,7 @@
 #include "llvm/ExecutionEngine/JITSymbol.h"
 #include "llvm/ExecutionEngine/Orc/SymbolStringPool.h"
 #include "llvm/IR/Module.h"
+#include "llvm/Support/Debug.h"
 
 #include <list>
 #include <map>
@@ -25,6 +26,8 @@
 #include <set>
 #include <vector>
 
+#define DEBUG_TYPE "orc"
+
 namespace llvm {
 namespace orc {
 
@@ -736,6 +739,8 @@ public:
   /// Materialize the given unit.
   void dispatchMaterialization(JITDylib &JD,
                                std::unique_ptr<MaterializationUnit> MU) {
+    LLVM_DEBUG(dbgs() << "For " << JD.getName() << " compiling "
+                      << MU->getSymbols() << "\n");
     DispatchMaterialization(JD, std::move(MU));
   }
 
@@ -832,4 +837,6 @@ private:
 } // End namespace orc
 } // End namespace llvm
 
+#undef DEBUG_TYPE // "orc"
+
 #endif // LLVM_EXECUTIONENGINE_ORC_CORE_H
diff --git a/llvm/lib/ExecutionEngine/Orc/Core.cpp b/llvm/lib/ExecutionEngine/Orc/Core.cpp
index 780e2fb9802..b1a82e89c6f 100644
--- a/llvm/lib/ExecutionEngine/Orc/Core.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/Core.cpp
@@ -18,6 +18,8 @@
 #include <future>
 #endif
 
+#define DEBUG_TYPE "orc"
+
 namespace llvm {
 namespace orc {
 
@@ -334,6 +336,8 @@ void MaterializationResponsibility::replace(
   for (auto &KV : MU->getSymbols())
     SymbolFlags.erase(KV.first);
 
+  LLVM_DEBUG(dbgs() << "For " << JD.getName() << " replacing " << MU->getSymbols() << "\n");
+
   JD.replace(std::move(MU));
 }