[ORC] Move SimpleCompiler/ConcurrentIRCompiler definitions into a .cpp file.

SimpleCompiler is no longer templated, so there's no reason for this code to be
in a header any more.

llvm-svn: 359626

llvm/include/llvm/ExecutionEngine/Orc/CompileUtils.h

@@ -13,25 +13,17 @@
 #ifndef LLVM_EXECUTIONENGINE_ORC_COMPILEUTILS_H
 #define LLVM_EXECUTIONENGINE_ORC_COMPILEUTILS_H
 
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ExecutionEngine/ObjectCache.h"
 #include "llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h"
-#include "llvm/IR/LegacyPassManager.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Object/Binary.h"
-#include "llvm/Object/ObjectFile.h"
-#include "llvm/Support/Error.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/SmallVectorMemoryBuffer.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetMachine.h"
-#include <algorithm>
 #include <memory>
 
 namespace llvm {
 
+class JITTargetMachineBuilder;
 class MCContext;
+class MemoryBuffer;
+class Module;
+class ObjectCache;
+class TargetMachine;
 
 namespace orc {
 
@@ -50,52 +42,11 @@ public:
   void setObjectCache(ObjectCache *NewCache) { ObjCache = NewCache; }
 
   /// Compile a Module to an ObjectFile.
-  CompileResult operator()(Module &M) {
-    CompileResult CachedObject = tryToLoadFromObjectCache(M);
-    if (CachedObject)
-      return CachedObject;
-
-    SmallVector<char, 0> ObjBufferSV;
-
-    {
-      raw_svector_ostream ObjStream(ObjBufferSV);
-
-      legacy::PassManager PM;
-      MCContext *Ctx;
-      if (TM.addPassesToEmitMC(PM, Ctx, ObjStream))
-        llvm_unreachable("Target does not support MC emission.");
-      PM.run(M);
-    }
-
-    auto ObjBuffer = llvm::make_unique<SmallVectorMemoryBuffer>(
-        std::move(ObjBufferSV),
-        "<in memory object compiled from " + M.getModuleIdentifier() + ">");
-    auto Obj =
-        object::ObjectFile::createObjectFile(ObjBuffer->getMemBufferRef());
-
-    if (Obj) {
-      notifyObjectCompiled(M, *ObjBuffer);
-      return std::move(ObjBuffer);
-    }
-
-    // TODO: Actually report errors helpfully.
-    consumeError(Obj.takeError());
-    return nullptr;
-  }
+  CompileResult operator()(Module &M);
 
 private:
-
-  CompileResult tryToLoadFromObjectCache(const Module &M) {
-    if (!ObjCache)
-      return CompileResult();
-
-    return ObjCache->getObject(&M);
-  }
-
-  void notifyObjectCompiled(const Module &M, const MemoryBuffer &ObjBuffer) {
-    if (ObjCache)
-      ObjCache->notifyObjectCompiled(&M, ObjBuffer.getMemBufferRef());
-  }
+  CompileResult tryToLoadFromObjectCache(const Module &M);
+  void notifyObjectCompiled(const Module &M, const MemoryBuffer &ObjBuffer);
 
   TargetMachine &TM;
   ObjectCache *ObjCache = nullptr;
@@ -108,16 +59,11 @@ private:
 class ConcurrentIRCompiler {
 public:
   ConcurrentIRCompiler(JITTargetMachineBuilder JTMB,
-                       ObjectCache *ObjCache = nullptr)
-      : JTMB(std::move(JTMB)), ObjCache(ObjCache) {}
+                       ObjectCache *ObjCache = nullptr);
 
   void setObjectCache(ObjectCache *ObjCache) { this->ObjCache = ObjCache; }
 
-  std::unique_ptr<MemoryBuffer> operator()(Module &M) {
-    auto TM = cantFail(JTMB.createTargetMachine());
-    SimpleCompiler C(*TM, ObjCache);
-    return C(M);
-  }
+  std::unique_ptr<MemoryBuffer> operator()(Module &M);
 
 private:
   JITTargetMachineBuilder JTMB;

llvm/lib/ExecutionEngine/Orc/CMakeLists.txt

@@ -1,5 +1,6 @@
 add_llvm_library(LLVMOrcJIT
   CompileOnDemandLayer.cpp
+  CompileUtils.cpp
   Core.cpp
   ExecutionUtils.cpp
   IndirectionUtils.cpp

llvm/lib/ExecutionEngine/Orc/CompileUtils.cpp

@@ -0,0 +1,86 @@
+//===------ CompileUtils.cpp - Utilities for compiling IR in the JIT ------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ExecutionEngine/Orc/CompileUtils.h"
+
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ExecutionEngine/ObjectCache.h"
+#include "llvm/IR/LegacyPassManager.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/SmallVectorMemoryBuffer.h"
+#include "llvm/Target/TargetMachine.h"
+
+#include <algorithm>
+
+namespace llvm {
+namespace orc {
+
+/// Compile a Module to an ObjectFile.
+SimpleCompiler::CompileResult SimpleCompiler::operator()(Module &M) {
+  CompileResult CachedObject = tryToLoadFromObjectCache(M);
+  if (CachedObject)
+    return CachedObject;
+
+  SmallVector<char, 0> ObjBufferSV;
+
+  {
+    raw_svector_ostream ObjStream(ObjBufferSV);
+
+    legacy::PassManager PM;
+    MCContext *Ctx;
+    if (TM.addPassesToEmitMC(PM, Ctx, ObjStream))
+      llvm_unreachable("Target does not support MC emission.");
+    PM.run(M);
+  }
+
+  auto ObjBuffer = llvm::make_unique<SmallVectorMemoryBuffer>(
+      std::move(ObjBufferSV),
+      "<in memory object compiled from " + M.getModuleIdentifier() + ">");
+
+  auto Obj = object::ObjectFile::createObjectFile(ObjBuffer->getMemBufferRef());
+
+  if (Obj) {
+    notifyObjectCompiled(M, *ObjBuffer);
+    return std::move(ObjBuffer);
+  }
+
+  // TODO: Actually report errors helpfully.
+  consumeError(Obj.takeError());
+  return nullptr;
+}
+
+SimpleCompiler::CompileResult
+SimpleCompiler::tryToLoadFromObjectCache(const Module &M) {
+  if (!ObjCache)
+    return CompileResult();
+
+  return ObjCache->getObject(&M);
+}
+
+void SimpleCompiler::notifyObjectCompiled(const Module &M,
+                                          const MemoryBuffer &ObjBuffer) {
+  if (ObjCache)
+    ObjCache->notifyObjectCompiled(&M, ObjBuffer.getMemBufferRef());
+}
+
+ConcurrentIRCompiler::ConcurrentIRCompiler(JITTargetMachineBuilder JTMB,
+                                           ObjectCache *ObjCache)
+    : JTMB(std::move(JTMB)), ObjCache(ObjCache) {}
+
+std::unique_ptr<MemoryBuffer> ConcurrentIRCompiler::operator()(Module &M) {
+  auto TM = cantFail(JTMB.createTargetMachine());
+  SimpleCompiler C(*TM, ObjCache);
+  return C(M);
+}
+
+} // end namespace orc
+} // end namespace llvm