Index: llvm/include/llvm/ExecutionEngine/Orc/LLJIT.h
===================================================================
--- llvm/include/llvm/ExecutionEngine/Orc/LLJIT.h
+++ llvm/include/llvm/ExecutionEngine/Orc/LLJIT.h
@@ -447,6 +447,9 @@
       public LLLazyJITBuilderSetters<LLLazyJIT, LLLazyJITBuilder,
                                      LLLazyJITBuilderState> {};
 
+/// Configure the LLJIT instance to use orc runtime support. 
+Error setUpOrcPlatform(LLJIT& J);
+
 /// Configure the LLJIT instance to scrape modules for llvm.global_ctors and
 /// llvm.global_dtors variables and (if present) build initialization and
 /// deinitialization functions. Platform specific initialization configurations
Index: llvm/lib/ExecutionEngine/Orc/LLJIT.cpp
===================================================================
--- llvm/lib/ExecutionEngine/Orc/LLJIT.cpp
+++ llvm/lib/ExecutionEngine/Orc/LLJIT.cpp
@@ -81,6 +81,53 @@
   return WrapperFn;
 }
 
+class ORCPlatformSupport : public LLJIT::PlatformSupport {
+public:
+  ORCPlatformSupport(orc::LLJIT &J) : J(J) {}
+
+  Error initialize(orc::JITDylib &JD) override {
+    using llvm::orc::shared::SPSExecutorAddr;
+    using llvm::orc::shared::SPSString;
+    using SPSDLOpenSig = SPSExecutorAddr(SPSString, int32_t);
+    enum dlopen_mode : int32_t {
+      ORC_RT_RTLD_LAZY = 0x1,
+      ORC_RT_RTLD_NOW = 0x2,
+      ORC_RT_RTLD_LOCAL = 0x4,
+      ORC_RT_RTLD_GLOBAL = 0x8
+    };
+
+    if (auto WrapperAddr = J.lookup("__orc_rt_jit_dlopen_wrapper")) {
+      return J.getExecutionSession().callSPSWrapper<SPSDLOpenSig>(
+          *WrapperAddr, DSOHandles[&JD], JD.getName(),
+          int32_t(ORC_RT_RTLD_LAZY));
+    } else
+      return WrapperAddr.takeError();
+  }
+
+  Error deinitialize(orc::JITDylib &JD) override {
+    using llvm::orc::shared::SPSExecutorAddr;
+    using SPSDLCloseSig = int32_t(SPSExecutorAddr);
+
+    if (auto WrapperAddr = J.lookup("__orc_rt_jit_dlclose_wrapper")) {
+      int32_t result;
+      auto E = J.getExecutionSession().callSPSWrapper<SPSDLCloseSig>(
+          *WrapperAddr, result, DSOHandles[&JD]);
+      if (E)
+        return E;
+      else if (result)
+        return make_error<StringError>("dlclose failed",
+                                       inconvertibleErrorCode());
+      DSOHandles.erase(&JD);
+    } else
+      return WrapperAddr.takeError();
+    return Error::success();
+  }
+
+private:
+  orc::LLJIT &J;
+  DenseMap<orc::JITDylib *, orc::ExecutorAddr> DSOHandles;
+};
+
 class GenericLLVMIRPlatformSupport;
 
 /// orc::Platform component of Generic LLVM IR Platform support.
@@ -880,6 +927,13 @@
   return Error::success();
 }
 
+Error setUpOrcPlatform(LLJIT& J) {
+    LLVM_DEBUG(
+        { dbgs() << "Setting up orc platform support for LLJIT\n"; });
+    J.setPlatformSupport(std::make_unique<ORCPlatformSupport>(J));
+    return Error::success();
+}
+
 void setUpGenericLLVMIRPlatform(LLJIT &J) {
   LLVM_DEBUG(
       { dbgs() << "Setting up GenericLLVMIRPlatform support for LLJIT\n"; });
Index: llvm/tools/lli/lli.cpp
===================================================================
--- llvm/tools/lli/lli.cpp
+++ llvm/tools/lli/lli.cpp
@@ -373,53 +373,6 @@
   }
 };
 
-class ORCPlatformSupport : public orc::LLJIT::PlatformSupport {
-public:
-  ORCPlatformSupport(orc::LLJIT &J) : J(J) {}
-
-  Error initialize(orc::JITDylib &JD) override {
-    using llvm::orc::shared::SPSExecutorAddr;
-    using llvm::orc::shared::SPSString;
-    using SPSDLOpenSig = SPSExecutorAddr(SPSString, int32_t);
-    enum dlopen_mode : int32_t {
-      ORC_RT_RTLD_LAZY = 0x1,
-      ORC_RT_RTLD_NOW = 0x2,
-      ORC_RT_RTLD_LOCAL = 0x4,
-      ORC_RT_RTLD_GLOBAL = 0x8
-    };
-
-    if (auto WrapperAddr = J.lookup("__orc_rt_jit_dlopen_wrapper")) {
-      return J.getExecutionSession().callSPSWrapper<SPSDLOpenSig>(
-          *WrapperAddr, DSOHandles[&JD], JD.getName(),
-          int32_t(ORC_RT_RTLD_LAZY));
-    } else
-      return WrapperAddr.takeError();
-  }
-
-  Error deinitialize(orc::JITDylib &JD) override {
-    using llvm::orc::shared::SPSExecutorAddr;
-    using SPSDLCloseSig = int32_t(SPSExecutorAddr);
-
-    if (auto WrapperAddr = J.lookup("__orc_rt_jit_dlclose_wrapper")) {
-      int32_t result;
-      auto E = J.getExecutionSession().callSPSWrapper<SPSDLCloseSig>(
-          *WrapperAddr, result, DSOHandles[&JD]);
-      if (E)
-        return E;
-      else if (result)
-        return make_error<StringError>("dlclose failed",
-                                       inconvertibleErrorCode());
-      DSOHandles.erase(&JD);
-    } else
-      return WrapperAddr.takeError();
-    return Error::success();
-  }
-
-private:
-  orc::LLJIT &J;
-  DenseMap<orc::JITDylib *, orc::ExecutorAddr> DSOHandles;
-};
-
 // On Mingw and Cygwin, an external symbol named '__main' is called from the
 // generated 'main' function to allow static initialization.  To avoid linking
 // problems with remote targets (because lli's remote target support does not
@@ -969,10 +922,7 @@
   }
   switch (P) {
   case LLJITPlatform::ORC:
-    Builder.setPlatformSetUp([](llvm::orc::LLJIT &J) -> llvm::Error {
-      J.setPlatformSupport(std::make_unique<ORCPlatformSupport>(J));
-      return Error::success();
-    });
+    Builder.setPlatformSetUp(orc::setUpOrcPlatform);
     break;
   case LLJITPlatform::GenericIR:
     // Nothing to do: LLJITBuilder will use this by default.