Remove exception handling support from the old JIT.
[oota-llvm.git] / unittests / ExecutionEngine / JIT / JITTest.cpp
index 0fde6fc66b99fe641a011cecfb4337804b0fba3d..cf995aac7a1a06e8e012400c23443e0dfc64c2c2 100644 (file)
@@ -7,28 +7,27 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/BasicBlock.h"
-#include "llvm/Constant.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Function.h"
-#include "llvm/GlobalValue.h"
-#include "llvm/GlobalVariable.h"
-#include "llvm/IRBuilder.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
-#include "llvm/TypeBuilder.h"
+#include "llvm/ExecutionEngine/JIT.h"
 #include "llvm/ADT/OwningPtr.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Assembly/Parser.h"
 #include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/ExecutionEngine/JIT.h"
 #include "llvm/ExecutionEngine/JITMemoryManager.h"
+#include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/Constant.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/GlobalValue.h"
+#include "llvm/IR/GlobalVariable.h"
+#include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Type.h"
+#include "llvm/IR/TypeBuilder.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/TargetSelect.h"
-
 #include "gtest/gtest.h"
 #include <vector>
 
@@ -36,6 +35,9 @@ using namespace llvm;
 
 namespace {
 
+// Tests on ARM, PowerPC and SystemZ disabled as we're running the old jit
+#if !defined(__arm__) && !defined(__powerpc__) && !defined(__s390__)
+
 Function *makeReturnGlobal(std::string Name, GlobalVariable *G, Module *M) {
   std::vector<Type*> params;
   FunctionType *FTy = FunctionType::get(G->getType()->getElementType(),
@@ -118,13 +120,14 @@ public:
     Base->endFunctionBody(F, FunctionStart, FunctionEnd);
   }
   virtual uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
-                                       unsigned SectionID) {
-    return Base->allocateDataSection(Size, Alignment, SectionID);
+                                       unsigned SectionID, bool IsReadOnly) {
+    return Base->allocateDataSection(Size, Alignment, SectionID, IsReadOnly);
   }
   virtual uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
                                        unsigned SectionID) {
     return Base->allocateCodeSection(Size, Alignment, SectionID);
   }
+  virtual bool applyPermissions(std::string *ErrMsg) { return false; }
   virtual uint8_t *allocateSpace(intptr_t Size, unsigned Alignment) {
     return Base->allocateSpace(Size, Alignment);
   }
@@ -140,54 +143,6 @@ public:
     deallocateFunctionBodyCalls.push_back(DeallocateFunctionBodyCall(Body));
     Base->deallocateFunctionBody(Body);
   }
-  struct DeallocateExceptionTableCall {
-    DeallocateExceptionTableCall(const void *ET) : ET(ET) {}
-    const void *ET;
-  };
-  std::vector<DeallocateExceptionTableCall> deallocateExceptionTableCalls;
-  virtual void deallocateExceptionTable(void *ET) {
-    deallocateExceptionTableCalls.push_back(DeallocateExceptionTableCall(ET));
-    Base->deallocateExceptionTable(ET);
-  }
-  struct StartExceptionTableCall {
-    StartExceptionTableCall(uint8_t *Result, const Function *F,
-                            uintptr_t ActualSize, uintptr_t ActualSizeResult)
-      : Result(Result), F(F), F_dump(DumpFunction(F)),
-        ActualSize(ActualSize), ActualSizeResult(ActualSizeResult) {}
-    uint8_t *Result;
-    const Function *F;
-    std::string F_dump;
-    uintptr_t ActualSize;
-    uintptr_t ActualSizeResult;
-  };
-  std::vector<StartExceptionTableCall> startExceptionTableCalls;
-  virtual uint8_t* startExceptionTable(const Function* F,
-                                       uintptr_t &ActualSize) {
-    uintptr_t InitialActualSize = ActualSize;
-    uint8_t *Result = Base->startExceptionTable(F, ActualSize);
-    startExceptionTableCalls.push_back(
-      StartExceptionTableCall(Result, F, InitialActualSize, ActualSize));
-    return Result;
-  }
-  struct EndExceptionTableCall {
-    EndExceptionTableCall(const Function *F, uint8_t *TableStart,
-                          uint8_t *TableEnd, uint8_t* FrameRegister)
-      : F(F), F_dump(DumpFunction(F)),
-        TableStart(TableStart), TableEnd(TableEnd),
-        FrameRegister(FrameRegister) {}
-    const Function *F;
-    std::string F_dump;
-    uint8_t *TableStart;
-    uint8_t *TableEnd;
-    uint8_t *FrameRegister;
-  };
-  std::vector<EndExceptionTableCall> endExceptionTableCalls;
-  virtual void endExceptionTable(const Function *F, uint8_t *TableStart,
-                                 uint8_t *TableEnd, uint8_t* FrameRegister) {
-      endExceptionTableCalls.push_back(
-          EndExceptionTableCall(F, TableStart, TableEnd, FrameRegister));
-    return Base->endExceptionTable(F, TableStart, TableEnd, FrameRegister);
-  }
 };
 
 bool LoadAssemblyInto(Module *M, const char *assembly) {
@@ -203,14 +158,20 @@ bool LoadAssemblyInto(Module *M, const char *assembly) {
 
 class JITTest : public testing::Test {
  protected:
+  virtual RecordingJITMemoryManager *createMemoryManager() {
+    return new RecordingJITMemoryManager;
+  }
+
   virtual void SetUp() {
     M = new Module("<main>", Context);
-    RJMM = new RecordingJITMemoryManager;
+    RJMM = createMemoryManager();
     RJMM->setPoisonMemory(true);
     std::string Error;
+    TargetOptions Options;
     TheJIT.reset(EngineBuilder(M).setEngineKind(EngineKind::JIT)
                  .setJITMemoryManager(RJMM)
-                 .setErrorStr(&Error).create());
+                 .setErrorStr(&Error)
+                 .setTargetOptions(Options).create());
     ASSERT_TRUE(TheJIT.get() != NULL) << Error;
   }
 
@@ -296,8 +257,6 @@ int PlusOne(int arg) {
   return arg + 1;
 }
 
-// ARM tests disabled pending fix for PR10783.
-#if !defined(__arm__)
 TEST_F(JITTest, FarCallToKnownFunction) {
   // x86-64 can only make direct calls to functions within 32 bits of
   // the current PC.  To call anything farther away, we have to load
@@ -453,29 +412,7 @@ TEST_F(JITTest, ModuleDeletion) {
   }
   EXPECT_EQ(RJMM->startFunctionBodyCalls.size(),
             RJMM->deallocateFunctionBodyCalls.size());
-
-  SmallPtrSet<const void*, 2> ExceptionTablesDeallocated;
-  unsigned NumTablesDeallocated = 0;
-  for (unsigned i = 0, e = RJMM->deallocateExceptionTableCalls.size();
-       i != e; ++i) {
-    ExceptionTablesDeallocated.insert(
-        RJMM->deallocateExceptionTableCalls[i].ET);
-    if (RJMM->deallocateExceptionTableCalls[i].ET != NULL) {
-        // If JITEmitDebugInfo is off, we'll "deallocate" NULL, which doesn't
-        // appear in startExceptionTableCalls.
-        NumTablesDeallocated++;
-    }
-  }
-  for (unsigned i = 0, e = RJMM->startExceptionTableCalls.size(); i != e; ++i) {
-    EXPECT_TRUE(ExceptionTablesDeallocated.count(
-                  RJMM->startExceptionTableCalls[i].Result))
-      << "Function's exception table leaked: \n"
-      << RJMM->startExceptionTableCalls[i].F_dump;
-  }
-  EXPECT_EQ(RJMM->startExceptionTableCalls.size(),
-            NumTablesDeallocated);
 }
-#endif // !defined(__arm__)
 
 // ARM, MIPS and PPC still emit stubs for calls since the target may be
 // too far away to call directly.  This #if can probably be removed when
@@ -555,10 +492,9 @@ TEST_F(JITTest, FunctionPointersOutliveTheirCreator) {
 #endif
 }
 
-// ARM and MIPS do not have an implementation
-// of replaceMachineCodeForFunction(), so recompileAndRelinkFunction
-// doesn't work.
-#if !defined(__arm__) && !defined(__mips__)
+// ARM does not have an implementation of replaceMachineCodeForFunction(),
+// so recompileAndRelinkFunction doesn't work.
+#if !defined(__arm__)
 TEST_F(JITTest, FunctionIsRecompiledAndRelinked) {
   Function *F = Function::Create(TypeBuilder<int(void), false>::get(Context),
                                  GlobalValue::ExternalLinkage, "test", M);
@@ -596,7 +532,7 @@ TEST_F(JITTest, FunctionIsRecompiledAndRelinked) {
 // program from the IR input to the JIT to assert that the JIT doesn't use its
 // definition.
 extern "C" int32_t JITTest_AvailableExternallyGlobal;
-int32_t JITTest_AvailableExternallyGlobal = 42;
+int32_t JITTest_AvailableExternallyGlobal LLVM_ATTRIBUTE_USED = 42;
 namespace {
 
 TEST_F(JITTest, AvailableExternallyGlobalIsntEmitted) {
@@ -615,18 +551,16 @@ TEST_F(JITTest, AvailableExternallyGlobalIsntEmitted) {
   EXPECT_EQ(42, loader()) << "func should return 42 from the external global,"
                           << " not 7 from the IR version.";
 }
-
 }  // anonymous namespace
 // This function is intentionally defined differently in the statically-compiled
 // program from the IR input to the JIT to assert that the JIT doesn't use its
 // definition.
+extern "C" int32_t JITTest_AvailableExternallyFunction() LLVM_ATTRIBUTE_USED;
 extern "C" int32_t JITTest_AvailableExternallyFunction() {
   return 42;
 }
 namespace {
 
-// ARM tests disabled pending fix for PR10783.
-#if !defined(__arm__)
 TEST_F(JITTest, AvailableExternallyFunctionIsntCompiled) {
   TheJIT->DisableLazyCompilation(true);
   LoadAssembly("define available_externally i32 "
@@ -782,7 +716,7 @@ TEST(LazyLoadedJITTest, EagerCompiledRecursionThroughGhost) {
     (intptr_t)TheJIT->getPointerToFunction(recur1IR));
   EXPECT_EQ(3, recur1(4));
 }
-#endif // !defined(__arm__)
+#endif // !defined(__arm__) && !defined(__powerpc__) && !defined(__s390__)
 
 // This code is copied from JITEventListenerTest, but it only runs once for all
 // the tests in this directory.  Everything seems fine, but that's strange