1 files changed, 0 insertions, 188 deletions
diff --git a/gnu/llvm/unittests/Support/AllocatorTest.cpp b/gnu/llvm/unittests/Support/AllocatorTest.cpp
deleted file mode 100644
index 74b394f1b17..00000000000
--- a/gnu/llvm/unittests/Support/AllocatorTest.cpp
+++ /dev/null
@@ -1,188 +0,0 @@
-//===- llvm/unittest/Support/AllocatorTest.cpp - BumpPtrAllocator tests ---===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/Allocator.h"
-#include "gtest/gtest.h"
-#include <cstdlib>
-
-using namespace llvm;
-
-namespace {
-
-TEST(AllocatorTest, Basics) {
-  BumpPtrAllocator Alloc;
-  int *a = (int*)Alloc.Allocate(sizeof(int), alignof(int));
-  int *b = (int*)Alloc.Allocate(sizeof(int) * 10, alignof(int));
-  int *c = (int*)Alloc.Allocate(sizeof(int), alignof(int));
-  *a = 1;
-  b[0] = 2;
-  b[9] = 2;
-  *c = 3;
-  EXPECT_EQ(1, *a);
-  EXPECT_EQ(2, b[0]);
-  EXPECT_EQ(2, b[9]);
-  EXPECT_EQ(3, *c);
-  EXPECT_EQ(1U, Alloc.GetNumSlabs());
-
-  BumpPtrAllocator Alloc2 = std::move(Alloc);
-  EXPECT_EQ(0U, Alloc.GetNumSlabs());
-  EXPECT_EQ(1U, Alloc2.GetNumSlabs());
-
-  // Make sure the old pointers still work. These are especially interesting
-  // under ASan or Valgrind.
-  EXPECT_EQ(1, *a);
-  EXPECT_EQ(2, b[0]);
-  EXPECT_EQ(2, b[9]);
-  EXPECT_EQ(3, *c);
-
-  Alloc = std::move(Alloc2);
-  EXPECT_EQ(0U, Alloc2.GetNumSlabs());
-  EXPECT_EQ(1U, Alloc.GetNumSlabs());
-}
-
-// Allocate enough bytes to create three slabs.
-TEST(AllocatorTest, ThreeSlabs) {
-  BumpPtrAllocator Alloc;
-  Alloc.Allocate(3000, 1);
-  EXPECT_EQ(1U, Alloc.GetNumSlabs());
-  Alloc.Allocate(3000, 1);
-  EXPECT_EQ(2U, Alloc.GetNumSlabs());
-  Alloc.Allocate(3000, 1);
-  EXPECT_EQ(3U, Alloc.GetNumSlabs());
-}
-
-// Allocate enough bytes to create two slabs, reset the allocator, and do it
-// again.
-TEST(AllocatorTest, TestReset) {
-  BumpPtrAllocator Alloc;
-
-  // Allocate something larger than the SizeThreshold=4096.
-  (void)Alloc.Allocate(5000, 1);
-  Alloc.Reset();
-  // Calling Reset should free all CustomSizedSlabs.
-  EXPECT_EQ(0u, Alloc.GetNumSlabs());
-
-  Alloc.Allocate(3000, 1);
-  EXPECT_EQ(1U, Alloc.GetNumSlabs());
-  Alloc.Allocate(3000, 1);
-  EXPECT_EQ(2U, Alloc.GetNumSlabs());
-  Alloc.Reset();
-  EXPECT_EQ(1U, Alloc.GetNumSlabs());
-  Alloc.Allocate(3000, 1);
-  EXPECT_EQ(1U, Alloc.GetNumSlabs());
-  Alloc.Allocate(3000, 1);
-  EXPECT_EQ(2U, Alloc.GetNumSlabs());
-}
-
-// Test some allocations at varying alignments.
-TEST(AllocatorTest, TestAlignment) {
-  BumpPtrAllocator Alloc;
-  uintptr_t a;
-  a = (uintptr_t)Alloc.Allocate(1, 2);
-  EXPECT_EQ(0U, a & 1);
-  a = (uintptr_t)Alloc.Allocate(1, 4);
-  EXPECT_EQ(0U, a & 3);
-  a = (uintptr_t)Alloc.Allocate(1, 8);
-  EXPECT_EQ(0U, a & 7);
-  a = (uintptr_t)Alloc.Allocate(1, 16);
-  EXPECT_EQ(0U, a & 15);
-  a = (uintptr_t)Alloc.Allocate(1, 32);
-  EXPECT_EQ(0U, a & 31);
-  a = (uintptr_t)Alloc.Allocate(1, 64);
-  EXPECT_EQ(0U, a & 63);
-  a = (uintptr_t)Alloc.Allocate(1, 128);
-  EXPECT_EQ(0U, a & 127);
-}
-
-// Test allocating just over the slab size.  This tests a bug where before the
-// allocator incorrectly calculated the buffer end pointer.
-TEST(AllocatorTest, TestOverflow) {
-  BumpPtrAllocator Alloc;
-
-  // Fill the slab right up until the end pointer.
-  Alloc.Allocate(4096, 1);
-  EXPECT_EQ(1U, Alloc.GetNumSlabs());
-
-  // If we don't allocate a new slab, then we will have overflowed.
-  Alloc.Allocate(1, 1);
-  EXPECT_EQ(2U, Alloc.GetNumSlabs());
-}
-
-// Test allocating with a size larger than the initial slab size.
-TEST(AllocatorTest, TestSmallSlabSize) {
-  BumpPtrAllocator Alloc;
-
-  Alloc.Allocate(8000, 1);
-  EXPECT_EQ(1U, Alloc.GetNumSlabs());
-}
-
-// Test requesting alignment that goes past the end of the current slab.
-TEST(AllocatorTest, TestAlignmentPastSlab) {
-  BumpPtrAllocator Alloc;
-  Alloc.Allocate(4095, 1);
-
-  // Aligning the current slab pointer is likely to move it past the end of the
-  // slab, which would confuse any unsigned comparisons with the difference of
-  // the end pointer and the aligned pointer.
-  Alloc.Allocate(1024, 8192);
-
-  EXPECT_EQ(2U, Alloc.GetNumSlabs());
-}
-
-// Mock slab allocator that returns slabs aligned on 4096 bytes.  There is no
-// easy portable way to do this, so this is kind of a hack.
-class MockSlabAllocator {
-  static size_t LastSlabSize;
-
-public:
-  ~MockSlabAllocator() { }
-
-  void *Allocate(size_t Size, size_t /*Alignment*/) {
-    // Allocate space for the alignment, the slab, and a void* that goes right
-    // before the slab.
-    size_t Alignment = 4096;
-    void *MemBase = safe_malloc(Size + Alignment - 1 + sizeof(void*));
-
-    // Find the slab start.
-    void *Slab = (void *)alignAddr((char*)MemBase + sizeof(void *), Alignment);
-
-    // Hold a pointer to the base so we can free the whole malloced block.
-    ((void**)Slab)[-1] = MemBase;
-
-    LastSlabSize = Size;
-    return Slab;
-  }
-
-  void Deallocate(void *Slab, size_t Size) {
-    free(((void**)Slab)[-1]);
-  }
-
-  static size_t GetLastSlabSize() { return LastSlabSize; }
-};
-
-size_t MockSlabAllocator::LastSlabSize = 0;
-
-// Allocate a large-ish block with a really large alignment so that the
-// allocator will think that it has space, but after it does the alignment it
-// will not.
-TEST(AllocatorTest, TestBigAlignment) {
-  BumpPtrAllocatorImpl<MockSlabAllocator> Alloc;
-
-  // First allocate a tiny bit to ensure we have to re-align things.
-  (void)Alloc.Allocate(1, 1);
-
-  // Now the big chunk with a big alignment.
-  (void)Alloc.Allocate(3000, 2048);
-
-  // We test that the last slab size is not the default 4096 byte slab, but
-  // rather a custom sized slab that is larger.
-  EXPECT_GT(MockSlabAllocator::GetLastSlabSize(), 4096u);
-}
-
-}  // anonymous namespace