Reverting r76825 and r76828, since they caused clang runtime errors and some build failure involving memset.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76838 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 276 deletions

diff --git a/unittests/ExecutionEngine/JIT/JITMemoryManagerTest.cpp b/unittests/ExecutionEngine/JIT/JITMemoryManagerTest.cpp
index f9b3a03c38..e69de29bb2 100644
--- a/unittests/ExecutionEngine/JIT/JITMemoryManagerTest.cpp
+++ b/unittests/ExecutionEngine/JIT/JITMemoryManagerTest.cpp
@@ -1,276 +0,0 @@
-//===- JITMemoryManagerTest.cpp - Unit tests for the JIT memory manager ---===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "gtest/gtest.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ExecutionEngine/JITMemoryManager.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Function.h"
-#include "llvm/GlobalValue.h"
-
-using namespace llvm;
-
-namespace {
-
-Function *makeFakeFunction() {
-  std::vector<const Type*> params;
-  const FunctionType *FTy = FunctionType::get(Type::VoidTy, params, false);
-  return Function::Create(FTy, GlobalValue::ExternalLinkage);
-}
-
-// Allocate three simple functions that fit in the initial slab.  This exercises
-// the code in the case that we don't have to allocate more memory to store the
-// function bodies.
-TEST(JITMemoryManagerTest, NoAllocations) {
-  OwningPtr<JITMemoryManager> MemMgr(
-      JITMemoryManager::CreateDefaultMemManager());
-  uintptr_t size;
-  uint8_t *start;
-  std::string Error;
-
-  // Allocate the functions.
-  OwningPtr<Function> F1(makeFakeFunction());
-  size = 1024;
-  start = MemMgr->startFunctionBody(F1.get(), size);
-  memset(start, 0xFF, 1024);
-  MemMgr->endFunctionBody(F1.get(), start, start + 1024);
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-
-  OwningPtr<Function> F2(makeFakeFunction());
-  size = 1024;
-  start = MemMgr->startFunctionBody(F2.get(), size);
-  memset(start, 0xFF, 1024);
-  MemMgr->endFunctionBody(F2.get(), start, start + 1024);
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-
-  OwningPtr<Function> F3(makeFakeFunction());
-  size = 1024;
-  start = MemMgr->startFunctionBody(F3.get(), size);
-  memset(start, 0xFF, 1024);
-  MemMgr->endFunctionBody(F3.get(), start, start + 1024);
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-
-  // Deallocate them out of order, in case that matters.
-  MemMgr->deallocateMemForFunction(F2.get());
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-  MemMgr->deallocateMemForFunction(F1.get());
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-  MemMgr->deallocateMemForFunction(F3.get());
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-}
-
-// Make three large functions that take up most of the space in the slab.  Then
-// try allocating three smaller functions that don't require additional slabs.
-TEST(JITMemoryManagerTest, TestCodeAllocation) {
-  OwningPtr<JITMemoryManager> MemMgr(
-      JITMemoryManager::CreateDefaultMemManager());
-  uintptr_t size;
-  uint8_t *start;
-  std::string Error;
-
-  // Big functions are a little less than the largest block size.
-  const uintptr_t smallFuncSize = 1024;
-  const uintptr_t bigFuncSize = (MemMgr->GetDefaultCodeSlabSize() -
-                                 smallFuncSize * 2);
-
-  // Allocate big functions
-  OwningPtr<Function> F1(makeFakeFunction());
-  size = bigFuncSize;
-  start = MemMgr->startFunctionBody(F1.get(), size);
-  ASSERT_LE(bigFuncSize, size);
-  memset(start, 0xFF, bigFuncSize);
-  MemMgr->endFunctionBody(F1.get(), start, start + bigFuncSize);
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-
-  OwningPtr<Function> F2(makeFakeFunction());
-  size = bigFuncSize;
-  start = MemMgr->startFunctionBody(F2.get(), size);
-  ASSERT_LE(bigFuncSize, size);
-  memset(start, 0xFF, bigFuncSize);
-  MemMgr->endFunctionBody(F2.get(), start, start + bigFuncSize);
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-
-  OwningPtr<Function> F3(makeFakeFunction());
-  size = bigFuncSize;
-  start = MemMgr->startFunctionBody(F3.get(), size);
-  ASSERT_LE(bigFuncSize, size);
-  memset(start, 0xFF, bigFuncSize);
-  MemMgr->endFunctionBody(F3.get(), start, start + bigFuncSize);
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-
-  // Check that each large function took it's own slab.
-  EXPECT_EQ(3U, MemMgr->GetNumCodeSlabs());
-
-  // Allocate small functions
-  OwningPtr<Function> F4(makeFakeFunction());
-  size = smallFuncSize;
-  start = MemMgr->startFunctionBody(F4.get(), size);
-  ASSERT_LE(smallFuncSize, size);
-  memset(start, 0xFF, smallFuncSize);
-  MemMgr->endFunctionBody(F4.get(), start, start + smallFuncSize);
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-
-  OwningPtr<Function> F5(makeFakeFunction());
-  size = smallFuncSize;
-  start = MemMgr->startFunctionBody(F5.get(), size);
-  ASSERT_LE(smallFuncSize, size);
-  memset(start, 0xFF, smallFuncSize);
-  MemMgr->endFunctionBody(F5.get(), start, start + smallFuncSize);
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-
-  OwningPtr<Function> F6(makeFakeFunction());
-  size = smallFuncSize;
-  start = MemMgr->startFunctionBody(F6.get(), size);
-  ASSERT_LE(smallFuncSize, size);
-  memset(start, 0xFF, smallFuncSize);
-  MemMgr->endFunctionBody(F6.get(), start, start + smallFuncSize);
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-
-  // Check that the small functions didn't allocate any new slabs.
-  EXPECT_EQ(3U, MemMgr->GetNumCodeSlabs());
-
-  // Deallocate them out of order, in case that matters.
-  MemMgr->deallocateMemForFunction(F2.get());
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-  MemMgr->deallocateMemForFunction(F1.get());
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-  MemMgr->deallocateMemForFunction(F4.get());
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-  MemMgr->deallocateMemForFunction(F3.get());
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-  MemMgr->deallocateMemForFunction(F5.get());
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-  MemMgr->deallocateMemForFunction(F6.get());
-  EXPECT_TRUE(MemMgr->CheckInvariants(Error)) << Error;
-}
-
-// Allocate five global ints of varying widths and alignment, and check their
-// alignment and overlap.
-TEST(JITMemoryManagerTest, TestSmallGlobalInts) {
-  OwningPtr<JITMemoryManager> MemMgr(
-      JITMemoryManager::CreateDefaultMemManager());
-  uint8_t  *a = (uint8_t *)MemMgr->allocateGlobal(8,  0);
-  uint16_t *b = (uint16_t*)MemMgr->allocateGlobal(16, 2);
-  uint32_t *c = (uint32_t*)MemMgr->allocateGlobal(32, 4);
-  uint64_t *d = (uint64_t*)MemMgr->allocateGlobal(64, 8);
-
-  // Check the alignment.
-  EXPECT_EQ(0U, ((uintptr_t)b) & 0x1);
-  EXPECT_EQ(0U, ((uintptr_t)c) & 0x3);
-  EXPECT_EQ(0U, ((uintptr_t)d) & 0x7);
-
-  // Initialize them each one at a time and make sure they don't overlap.
-  *a = 0xff;
-  *b = 0U;
-  *c = 0U;
-  *d = 0U;
-  EXPECT_EQ(0xffU, *a);
-  EXPECT_EQ(0U, *b);
-  EXPECT_EQ(0U, *c);
-  EXPECT_EQ(0U, *d);
-  *a = 0U;
-  *b = 0xffffU;
-  EXPECT_EQ(0U, *a);
-  EXPECT_EQ(0xffffU, *b);
-  EXPECT_EQ(0U, *c);
-  EXPECT_EQ(0U, *d);
-  *b = 0U;
-  *c = 0xffffffffU;
-  EXPECT_EQ(0U, *a);
-  EXPECT_EQ(0U, *b);
-  EXPECT_EQ(0xffffffffU, *c);
-  EXPECT_EQ(0U, *d);
-  *c = 0U;
-  *d = 0xffffffffffffffffU;
-  EXPECT_EQ(0U, *a);
-  EXPECT_EQ(0U, *b);
-  EXPECT_EQ(0U, *c);
-  EXPECT_EQ(0xffffffffffffffffU, *d);
-
-  // Make sure we didn't allocate any extra slabs for this tiny amount of data.
-  EXPECT_EQ(1U, MemMgr->GetNumDataSlabs());
-}
-
-// Allocate a small global, a big global, and a third global, and make sure we
-// only use two slabs for that.
-TEST(JITMemoryManagerTest, TestLargeGlobalArray) {
-  OwningPtr<JITMemoryManager> MemMgr(
-      JITMemoryManager::CreateDefaultMemManager());
-  size_t Size = 4 * MemMgr->GetDefaultDataSlabSize();
-  uint64_t *a = (uint64_t*)MemMgr->allocateGlobal(64, 8);
-  uint8_t *g = MemMgr->allocateGlobal(Size, 8);
-  uint64_t *b = (uint64_t*)MemMgr->allocateGlobal(64, 8);
-
-  // Check the alignment.
-  EXPECT_EQ(0U, ((uintptr_t)a) & 0x7);
-  EXPECT_EQ(0U, ((uintptr_t)g) & 0x7);
-  EXPECT_EQ(0U, ((uintptr_t)b) & 0x7);
-
-  // Initialize them to make sure we don't segfault and make sure they don't
-  // overlap.
-  memset(a, 0x1, 8);
-  memset(g, 0x2, Size);
-  memset(b, 0x3, 8);
-  EXPECT_EQ(0x0101010101010101U, *a);
-  // Just check the edges.
-  EXPECT_EQ(0x02U, g[0]);
-  EXPECT_EQ(0x02U, g[Size - 1]);
-  EXPECT_EQ(0x0303030303030303U, *b);
-
-  // Check the number of slabs.
-  EXPECT_EQ(2U, MemMgr->GetNumDataSlabs());
-}
-
-// Allocate lots of medium globals so that we can test moving the bump allocator
-// to a new slab.
-TEST(JITMemoryManagerTest, TestManyGlobals) {
-  OwningPtr<JITMemoryManager> MemMgr(
-      JITMemoryManager::CreateDefaultMemManager());
-  size_t SlabSize = MemMgr->GetDefaultDataSlabSize();
-  size_t Size = 128;
-  int Iters = (SlabSize / Size) + 1;
-
-  // We should start with one slab.
-  EXPECT_EQ(1U, MemMgr->GetNumDataSlabs());
-
-  // After allocating a bunch of globals, we should have two.
-  for (int I = 0; I < Iters; ++I)
-    MemMgr->allocateGlobal(Size, 8);
-  EXPECT_EQ(2U, MemMgr->GetNumDataSlabs());
-
-  // And after much more, we should have three.
-  for (int I = 0; I < Iters; ++I)
-    MemMgr->allocateGlobal(Size, 8);
-  EXPECT_EQ(3U, MemMgr->GetNumDataSlabs());
-}
-
-// Allocate lots of function stubs so that we can test moving the stub bump
-// allocator to a new slab.
-TEST(JITMemoryManagerTest, TestManyStubs) {
-  OwningPtr<JITMemoryManager> MemMgr(
-      JITMemoryManager::CreateDefaultMemManager());
-  size_t SlabSize = MemMgr->GetDefaultStubSlabSize();
-  size_t Size = 128;
-  int Iters = (SlabSize / Size) + 1;
-
-  // We should start with one slab.
-  EXPECT_EQ(1U, MemMgr->GetNumStubSlabs());
-
-  // After allocating a bunch of stubs, we should have two.
-  for (int I = 0; I < Iters; ++I)
-    MemMgr->allocateStub(NULL, Size, 8);
-  EXPECT_EQ(2U, MemMgr->GetNumStubSlabs());
-
-  // And after much more, we should have three.
-  for (int I = 0; I < Iters; ++I)
-    MemMgr->allocateStub(NULL, Size, 8);
-  EXPECT_EQ(3U, MemMgr->GetNumStubSlabs());
-}
-
-}