[Support] Fix SaturatingMultiply<T>() to be correct (and fast), Re-enable Unit Tests

[oota-llvm.git] / tools / lli / OrcLazyJIT.h

diff --git a/tools/lli/OrcLazyJIT.h b/tools/lli/OrcLazyJIT.h
index 8e6f400f0c5e5430ce9cb4496d82591cf96067a8..ec86a72efaa0fbdc15520f1b5425526e3baea55f 100644 (file)
--- a/tools/lli/OrcLazyJIT.h
+++ b/tools/lli/OrcLazyJIT.h
@@ -20,10 +20,9 @@
 #include "llvm/ExecutionEngine/Orc/CompileUtils.h"
 #include "llvm/ExecutionEngine/Orc/ExecutionUtils.h"
 #include "llvm/ExecutionEngine/Orc/IRCompileLayer.h"
-#include "llvm/ExecutionEngine/Orc/LazyEmittingLayer.h"
+#include "llvm/ExecutionEngine/Orc/IRTransformLayer.h"
 #include "llvm/ExecutionEngine/Orc/ObjectLinkingLayer.h"
 #include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
-#include "llvm/IR/LLVMContext.h"
 
 namespace llvm {
 
@@ -33,29 +32,27 @@ public:
   typedef orc::JITCompileCallbackManagerBase CompileCallbackMgr;
   typedef orc::ObjectLinkingLayer<> ObjLayerT;
   typedef orc::IRCompileLayer<ObjLayerT> CompileLayerT;
-  typedef orc::LazyEmittingLayer<CompileLayerT> LazyEmitLayerT;
-  typedef orc::CompileOnDemandLayer<LazyEmitLayerT,
-                                    CompileCallbackMgr> CODLayerT;
+  typedef std::function<std::unique_ptr<Module>(std::unique_ptr<Module>)>
+    TransformFtor;
+  typedef orc::IRTransformLayer<CompileLayerT, TransformFtor> IRDumpLayerT;
+  typedef orc::CompileOnDemandLayer<IRDumpLayerT, CompileCallbackMgr> CODLayerT;
+  typedef CODLayerT::IndirectStubsManagerBuilderT
+    IndirectStubsManagerBuilder;
   typedef CODLayerT::ModuleSetHandleT ModuleHandleT;
 
-  typedef std::function<
-            std::unique_ptr<CompileCallbackMgr>(CompileLayerT&,
-                                                RuntimeDyld::MemoryManager&,
-                                                LLVMContext&)>
-    CallbackManagerBuilder;
-
-  static CallbackManagerBuilder createCallbackManagerBuilder(Triple T);
-
-  OrcLazyJIT(std::unique_ptr<TargetMachine> TM, LLVMContext &Context,
-             CallbackManagerBuilder &BuildCallbackMgr)
-    : TM(std::move(TM)),
-      Mang(this->TM->getDataLayout()),
-      ObjectLayer(),
-      CompileLayer(ObjectLayer, orc::SimpleCompiler(*this->TM)),
-      LazyEmitLayer(CompileLayer),
-      CCMgr(BuildCallbackMgr(CompileLayer, CCMgrMemMgr, Context)),
-      CODLayer(LazyEmitLayer, *CCMgr),
-      CXXRuntimeOverrides([this](const std::string &S) { return mangle(S); }) {}
+  OrcLazyJIT(std::unique_ptr<TargetMachine> TM,
+             std::unique_ptr<CompileCallbackMgr> CCMgr,
+             IndirectStubsManagerBuilder IndirectStubsMgrBuilder,
+             bool InlineStubs)
+      : TM(std::move(TM)), DL(this->TM->createDataLayout()),
+       CCMgr(std::move(CCMgr)),
+       ObjectLayer(),
+        CompileLayer(ObjectLayer, orc::SimpleCompiler(*this->TM)),
+        IRDumpLayer(CompileLayer, createDebugDumper()),
+        CODLayer(IRDumpLayer, extractSingleFunction, *this->CCMgr,
+                 std::move(IndirectStubsMgrBuilder), InlineStubs),
+        CXXRuntimeOverrides(
+            [this](const std::string &S) { return mangle(S); }) {}
 
   ~OrcLazyJIT() {
     // Run any destructors registered with __cxa_atexit.
@@ -65,15 +62,13 @@ public:
       DtorRunner.runViaLayer(CODLayer);
   }
 
-  template <typename PtrTy>
-  static PtrTy fromTargetAddress(orc::TargetAddress Addr) {
-    return reinterpret_cast<PtrTy>(static_cast<uintptr_t>(Addr));
-  }
+  static std::unique_ptr<CompileCallbackMgr> createCompileCallbackMgr(Triple T);
+  static IndirectStubsManagerBuilder createIndirectStubsMgrBuilder(Triple T);
 
   ModuleHandleT addModule(std::unique_ptr<Module> M) {
     // Attach a data-layout if one isn't already present.
     if (M->getDataLayout().isDefault())
-      M->setDataLayout(*TM->getDataLayout());
+      M->setDataLayout(DL);
 
     // Record the static constructors and destructors. We have to do this before
     // we hand over ownership of the module to the JIT.
@@ -87,33 +82,37 @@ public:
     //   1) Search the JIT symbols.
     //   2) Check for C++ runtime overrides.
     //   3) Search the host process (LLI)'s symbol table.
-    auto FallbackLookup =
-      [this](const std::string &Name) {
-
-        if (auto Sym = CODLayer.findSymbol(Name, true))
-          return RuntimeDyld::SymbolInfo(Sym.getAddress(), Sym.getFlags());
-
-        if (auto Sym = CXXRuntimeOverrides.searchOverrides(Name))
-          return Sym;
-
-        if (auto Addr = RTDyldMemoryManager::getSymbolAddressInProcess(Name))
-          return RuntimeDyld::SymbolInfo(Addr, JITSymbolFlags::Exported);
-
-        return RuntimeDyld::SymbolInfo(nullptr);
-      };
+    std::shared_ptr<RuntimeDyld::SymbolResolver> Resolver =
+      orc::createLambdaResolver(
+        [this](const std::string &Name) {
+          if (auto Sym = CODLayer.findSymbol(Name, true))
+            return RuntimeDyld::SymbolInfo(Sym.getAddress(),
+                                           Sym.getFlags());
+          if (auto Sym = CXXRuntimeOverrides.searchOverrides(Name))
+            return Sym;
+
+          if (auto Addr =
+              RTDyldMemoryManager::getSymbolAddressInProcess(Name))
+            return RuntimeDyld::SymbolInfo(Addr, JITSymbolFlags::Exported);
+
+          return RuntimeDyld::SymbolInfo(nullptr);
+        },
+        [](const std::string &Name) {
+          return RuntimeDyld::SymbolInfo(nullptr);
+        }
+      );
 
     // Add the module to the JIT.
     std::vector<std::unique_ptr<Module>> S;
     S.push_back(std::move(M));
-    auto H = CODLayer.addModuleSet(std::move(S), std::move(FallbackLookup));
+    auto H = CODLayer.addModuleSet(std::move(S), nullptr, std::move(Resolver));
 
     // Run the static constructors, and save the static destructor runner for
     // execution when the JIT is torn down.
     orc::CtorDtorRunner<CODLayerT> CtorRunner(std::move(CtorNames), H);
     CtorRunner.runViaLayer(CODLayer);
 
-    IRStaticDestructorRunners.push_back(
-        orc::CtorDtorRunner<CODLayerT>(std::move(DtorNames), H));
+    IRStaticDestructorRunners.emplace_back(std::move(DtorNames), H);
 
     return H;
   }
@@ -132,19 +131,27 @@ private:
     std::string MangledName;
     {
       raw_string_ostream MangledNameStream(MangledName);
-      Mang.getNameWithPrefix(MangledNameStream, Name);
+      Mangler::getNameWithPrefix(MangledNameStream, Name, DL);
     }
     return MangledName;
   }
 
+  static std::set<Function*> extractSingleFunction(Function &F) {
+    std::set<Function*> Partition;
+    Partition.insert(&F);
+    return Partition;
+  }
+
+  static TransformFtor createDebugDumper();
+
   std::unique_ptr<TargetMachine> TM;
-  Mangler Mang;
+  DataLayout DL;
   SectionMemoryManager CCMgrMemMgr;
 
+  std::unique_ptr<CompileCallbackMgr> CCMgr;
   ObjLayerT ObjectLayer;
   CompileLayerT CompileLayer;
-  LazyEmitLayerT LazyEmitLayer;
-  std::unique_ptr<CompileCallbackMgr> CCMgr;
+  IRDumpLayerT IRDumpLayer;
   CODLayerT CODLayer;
 
   orc::LocalCXXRuntimeOverrides CXXRuntimeOverrides;