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Fix layering StringRef copy using BumpPtrAllocator.

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Now to copy a string into a BumpPtrAllocator and get a StringRef to the copy:

   StringRef myCopy = myStr.copy(myAllocator);
   



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200885 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Kledzik
2014-02-05 22:22:56 +00:00
parent 1a10a51431
commit 8147752976
7 changed files with 65 additions and 64 deletions
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33
unittests/ADT/ArrayRefTest.cpp Normal file
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@@ -0,0 +1,33 @@
//===- llvm/unittest/ADT/ArrayRefTest.cpp - ArrayRef unit tests -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/ArrayRef.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/raw_ostream.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace llvm {
TEST(ArrayRefTest, AllocatorCopy) {
BumpPtrAllocator Alloc;
static const uint16_t Words1[] = { 1, 4, 200, 37 };
ArrayRef<uint16_t> Array1 = makeArrayRef(Words1, 4);
static const uint16_t Words2[] = { 11, 4003, 67, 64000, 13 };
ArrayRef<uint16_t> Array2 = makeArrayRef(Words2, 5);
ArrayRef<uint16_t> Array1c = Array1.copy(Alloc);
ArrayRef<uint16_t> Array2c = Array2.copy(Alloc);;
EXPECT_TRUE(Array1.equals(Array1c));
EXPECT_NE(Array1.data(), Array1c.data());
EXPECT_TRUE(Array2.equals(Array2c));
EXPECT_NE(Array2.data(), Array2c.data());
}
} // end anonymous namespace

1
unittests/ADT/CMakeLists.txt
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@@ -5,6 +5,7 @@ set(LLVM_LINK_COMPONENTS
set(ADTSources
APFloatTest.cpp
APIntTest.cpp
ArrayRefTest.cpp
BitVectorTest.cpp
DAGDeltaAlgorithmTest.cpp
DeltaAlgorithmTest.cpp

15
unittests/ADT/StringRefTest.cpp
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@@ -11,6 +11,7 @@
#include "llvm/ADT/Hashing.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/raw_ostream.h"
#include "gtest/gtest.h"
using namespace llvm;
@@ -531,4 +532,18 @@ TEST(StringRefTest, joinStrings) {
EXPECT_TRUE(v2_join3);
}
TEST(StringRefTest, AllocatorCopy) {
BumpPtrAllocator Alloc;
StringRef Str1 = "hello";
StringRef Str2 = "bye";
StringRef Str1c = Str1.copy(Alloc);
StringRef Str2c = Str2.copy(Alloc);
EXPECT_TRUE(Str1.equals(Str1c));
EXPECT_NE(Str1.data(), Str1c.data());
EXPECT_TRUE(Str2.equals(Str2c));
EXPECT_NE(Str2.data(), Str2c.data());
}
} // end anonymous namespace

28
unittests/Support/AllocatorTest.cpp
View File

@@ -147,32 +147,4 @@ TEST(AllocatorTest, TestBigAlignment) {
EXPECT_LE(Ptr + 3000, ((uintptr_t)Slab) + Slab->Size);
}
TEST(AllocatorTest, CopyStringRef) {
BumpPtrAllocator Alloc;
StringRef Str1 = "hello";
StringRef Str2 = "bye";
StringRef Str1c = Alloc.allocateCopy(Str1);
StringRef Str2c = Alloc.allocateCopy(Str2);
EXPECT_TRUE(Str1.equals(Str1c));
EXPECT_NE(Str1.data(), Str1c.data());
EXPECT_TRUE(Str2.equals(Str2c));
EXPECT_NE(Str2.data(), Str2c.data());
}
TEST(AllocatorTest, CopyArrayRef) {
BumpPtrAllocator Alloc;
static const uint16_t Words1[] = { 1, 4, 200, 37 };
ArrayRef<uint16_t> Array1 = makeArrayRef(Words1, 4);
static const uint16_t Words2[] = { 11, 4003, 67, 64000, 13 };
ArrayRef<uint16_t> Array2 = makeArrayRef(Words2, 5);
ArrayRef<uint16_t> Array1c = Alloc.allocateCopy(Array1);
ArrayRef<uint16_t> Array2c = Alloc.allocateCopy(Array2);
EXPECT_TRUE(Array1.equals(Array1c));
EXPECT_NE(Array1.data(), Array1c.data());
EXPECT_TRUE(Array2.equals(Array2c));
EXPECT_NE(Array2.data(), Array2c.data());
}
} // anonymous namespace