diff --git a/src/tcompiler.cpp b/src/tcompiler.cpp
index 362905f11..7ac89d208 100644
--- a/src/tcompiler.cpp
+++ b/src/tcompiler.cpp
@@ -22,6 +22,10 @@ extern "C" {
 
 #if LLVM_VERSION < 50
 #include "llvm/ExecutionEngine/MCJIT.h"
+#else
+#if LLVM_VERSION < 120
+#include "llvm/ExecutionEngine/OrcMCJITReplacement.h"
+#endif
 #endif
 
 #include "llvm/Support/Atomic.h"
@@ -387,6 +391,9 @@ static void InitializeJIT(TerraCompilationUnit *CU) {
             .setMCJITMemoryManager(make_unique<TerraSectionMemoryManager>(CU))
 #else
             .setMCJITMemoryManager(std::make_unique<TerraSectionMemoryManager>(CU))
+#endif
+#if LLVM_VERSION < 120
+            .setOrcMCJITReplacement(true)
 #endif
             ;
 #endif
@@ -2486,7 +2493,15 @@ struct FunctionEmitter {
         DEBUG_ONLY(T) {
             MDNode *scope = debugScopeForFile(customfilename ? customfilename
                                                              : obj->string("filename"));
-            B->SetCurrentDebugLocation(DILocation::get(scope->getContext(), customfilename ? customlinenumber : obj->number("linenumber"), 0, scope));
+#if LLVM_VERSION < 120
+            B->SetCurrentDebugLocation(DebugLoc::get(
+                    customfilename ? customlinenumber : obj->number("linenumber"), 0,
+                    scope));
+#else
+            B->SetCurrentDebugLocation(DILocation::get(scope->getContext(), 
+                    customfilename ? customlinenumber : obj->number("linenumber"), 0,
+                    scope));
+#endif
         }
     }
 
diff --git a/src/tcwrapper.cpp b/src/tcwrapper.cpp
index d4472c61c..704db47f8 100644
--- a/src/tcwrapper.cpp
+++ b/src/tcwrapper.cpp
@@ -328,16 +328,14 @@ class IncludeCVisitor : public RecursiveASTVisitor<IncludeCVisitor> {
     }
     CStyleCastExpr *CreateCast(QualType Ty, CastKind Kind, Expr *E) {
         TypeSourceInfo *TInfo = Context->getTrivialTypeSourceInfo(Ty, SourceLocation());
-        return CStyleCastExpr::Create(*Context,
-                                      Ty,
-                                      VK_RValue,
-                                      Kind,
-                                      E,
-                                      0, // CXXCastPath BasePath (?)
+#if LLVM_VERSION < 120
+        return CStyleCastExpr::Create(*Context, Ty, VK_RValue, Kind, E, 0, TInfo,
+                                      SourceLocation(), SourceLocation());
+#else
+        return CStyleCastExpr::Create(*Context, Ty, VK_RValue, Kind, E, 0,
                                       FPOptionsOverride::getFromOpaqueInt(0),
-                                      TInfo,
-                                      SourceLocation(), 
-                                      SourceLocation());
+                                      TInfo, SourceLocation(), SourceLocation());
+#endif
     }
     IntegerLiteral *LiteralZero() {
         unsigned IntSize = static_cast<unsigned>(Context->getTypeSize(Context->IntTy));