Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 1065 deletions

diff --git a/gnu/llvm/unittests/ADT/StringRefTest.cpp b/gnu/llvm/unittests/ADT/StringRefTest.cpp
deleted file mode 100644
index 4087d6c99a9..00000000000
--- a/gnu/llvm/unittests/ADT/StringRefTest.cpp
+++ /dev/null
@@ -1,1065 +0,0 @@
-//===- llvm/unittest/ADT/StringRefTest.cpp - StringRef 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/StringRef.h"
-#include "llvm/ADT/Hashing.h"
-#include "llvm/ADT/STLExtras.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;
-
-namespace llvm {
-
-std::ostream &operator<<(std::ostream &OS, const StringRef &S) {
-  OS << S.str();
-  return OS;
-}
-
-std::ostream &operator<<(std::ostream &OS,
-                         const std::pair<StringRef, StringRef> &P) {
-  OS << "(" << P.first << ", " << P.second << ")";
-  return OS;
-}
-
-}
-
-// Check that we can't accidentally assign a temporary std::string to a
-// StringRef. (Unfortunately we can't make use of the same thing with
-// constructors.)
-//
-// Disable this check under MSVC; even MSVC 2015 isn't consistent between
-// std::is_assignable and actually writing such an assignment.
-#if !defined(_MSC_VER)
-static_assert(
-    !std::is_assignable<StringRef&, std::string>::value,
-    "Assigning from prvalue std::string");
-static_assert(
-    !std::is_assignable<StringRef&, std::string &&>::value,
-    "Assigning from xvalue std::string");
-static_assert(
-    std::is_assignable<StringRef&, std::string &>::value,
-    "Assigning from lvalue std::string");
-static_assert(
-    std::is_assignable<StringRef&, const char *>::value,
-    "Assigning from prvalue C string");
-static_assert(
-    std::is_assignable<StringRef&, const char * &&>::value,
-    "Assigning from xvalue C string");
-static_assert(
-    std::is_assignable<StringRef&, const char * &>::value,
-    "Assigning from lvalue C string");
-#endif
-
-
-namespace {
-TEST(StringRefTest, Construction) {
-  EXPECT_EQ("", StringRef());
-  EXPECT_EQ("hello", StringRef("hello"));
-  EXPECT_EQ("hello", StringRef("hello world", 5));
-  EXPECT_EQ("hello", StringRef(std::string("hello")));
-}
-
-TEST(StringRefTest, EmptyInitializerList) {
-  StringRef S = {};
-  EXPECT_TRUE(S.empty());
-
-  S = {};
-  EXPECT_TRUE(S.empty());
-}
-
-TEST(StringRefTest, Iteration) {
-  StringRef S("hello");
-  const char *p = "hello";
-  for (const char *it = S.begin(), *ie = S.end(); it != ie; ++it, ++p)
-    EXPECT_EQ(*it, *p);
-}
-
-TEST(StringRefTest, StringOps) {
-  const char *p = "hello";
-  EXPECT_EQ(p, StringRef(p, 0).data());
-  EXPECT_TRUE(StringRef().empty());
-  EXPECT_EQ((size_t) 5, StringRef("hello").size());
-  EXPECT_EQ(-1, StringRef("aab").compare("aad"));
-  EXPECT_EQ( 0, StringRef("aab").compare("aab"));
-  EXPECT_EQ( 1, StringRef("aab").compare("aaa"));
-  EXPECT_EQ(-1, StringRef("aab").compare("aabb"));
-  EXPECT_EQ( 1, StringRef("aab").compare("aa"));
-  EXPECT_EQ( 1, StringRef("\xFF").compare("\1"));
-
-  EXPECT_EQ(-1, StringRef("AaB").compare_lower("aAd"));
-  EXPECT_EQ( 0, StringRef("AaB").compare_lower("aab"));
-  EXPECT_EQ( 1, StringRef("AaB").compare_lower("AAA"));
-  EXPECT_EQ(-1, StringRef("AaB").compare_lower("aaBb"));
-  EXPECT_EQ(-1, StringRef("AaB").compare_lower("bb"));
-  EXPECT_EQ( 1, StringRef("aaBb").compare_lower("AaB"));
-  EXPECT_EQ( 1, StringRef("bb").compare_lower("AaB"));
-  EXPECT_EQ( 1, StringRef("AaB").compare_lower("aA"));
-  EXPECT_EQ( 1, StringRef("\xFF").compare_lower("\1"));
-
-  EXPECT_EQ(-1, StringRef("aab").compare_numeric("aad"));
-  EXPECT_EQ( 0, StringRef("aab").compare_numeric("aab"));
-  EXPECT_EQ( 1, StringRef("aab").compare_numeric("aaa"));
-  EXPECT_EQ(-1, StringRef("aab").compare_numeric("aabb"));
-  EXPECT_EQ( 1, StringRef("aab").compare_numeric("aa"));
-  EXPECT_EQ(-1, StringRef("1").compare_numeric("10"));
-  EXPECT_EQ( 0, StringRef("10").compare_numeric("10"));
-  EXPECT_EQ( 0, StringRef("10a").compare_numeric("10a"));
-  EXPECT_EQ( 1, StringRef("2").compare_numeric("1"));
-  EXPECT_EQ( 0, StringRef("llvm_v1i64_ty").compare_numeric("llvm_v1i64_ty"));
-  EXPECT_EQ( 1, StringRef("\xFF").compare_numeric("\1"));
-  EXPECT_EQ( 1, StringRef("V16").compare_numeric("V1_q0"));
-  EXPECT_EQ(-1, StringRef("V1_q0").compare_numeric("V16"));
-  EXPECT_EQ(-1, StringRef("V8_q0").compare_numeric("V16"));
-  EXPECT_EQ( 1, StringRef("V16").compare_numeric("V8_q0"));
-  EXPECT_EQ(-1, StringRef("V1_q0").compare_numeric("V8_q0"));
-  EXPECT_EQ( 1, StringRef("V8_q0").compare_numeric("V1_q0"));
-}
-
-TEST(StringRefTest, Operators) {
-  EXPECT_EQ("", StringRef());
-  EXPECT_TRUE(StringRef("aab") < StringRef("aad"));
-  EXPECT_FALSE(StringRef("aab") < StringRef("aab"));
-  EXPECT_TRUE(StringRef("aab") <= StringRef("aab"));
-  EXPECT_FALSE(StringRef("aab") <= StringRef("aaa"));
-  EXPECT_TRUE(StringRef("aad") > StringRef("aab"));
-  EXPECT_FALSE(StringRef("aab") > StringRef("aab"));
-  EXPECT_TRUE(StringRef("aab") >= StringRef("aab"));
-  EXPECT_FALSE(StringRef("aaa") >= StringRef("aab"));
-  EXPECT_EQ(StringRef("aab"), StringRef("aab"));
-  EXPECT_FALSE(StringRef("aab") == StringRef("aac"));
-  EXPECT_FALSE(StringRef("aab") != StringRef("aab"));
-  EXPECT_TRUE(StringRef("aab") != StringRef("aac"));
-  EXPECT_EQ('a', StringRef("aab")[1]);
-}
-
-TEST(StringRefTest, Substr) {
-  StringRef Str("hello");
-  EXPECT_EQ("lo", Str.substr(3));
-  EXPECT_EQ("", Str.substr(100));
-  EXPECT_EQ("hello", Str.substr(0, 100));
-  EXPECT_EQ("o", Str.substr(4, 10));
-}
-
-TEST(StringRefTest, Slice) {
-  StringRef Str("hello");
-  EXPECT_EQ("l", Str.slice(2, 3));
-  EXPECT_EQ("ell", Str.slice(1, 4));
-  EXPECT_EQ("llo", Str.slice(2, 100));
-  EXPECT_EQ("", Str.slice(2, 1));
-  EXPECT_EQ("", Str.slice(10, 20));
-}
-
-TEST(StringRefTest, Split) {
-  StringRef Str("hello");
-  EXPECT_EQ(std::make_pair(StringRef("hello"), StringRef("")),
-            Str.split('X'));
-  EXPECT_EQ(std::make_pair(StringRef("h"), StringRef("llo")),
-            Str.split('e'));
-  EXPECT_EQ(std::make_pair(StringRef(""), StringRef("ello")),
-            Str.split('h'));
-  EXPECT_EQ(std::make_pair(StringRef("he"), StringRef("lo")),
-            Str.split('l'));
-  EXPECT_EQ(std::make_pair(StringRef("hell"), StringRef("")),
-            Str.split('o'));
-
-  EXPECT_EQ(std::make_pair(StringRef("hello"), StringRef("")),
-            Str.rsplit('X'));
-  EXPECT_EQ(std::make_pair(StringRef("h"), StringRef("llo")),
-            Str.rsplit('e'));
-  EXPECT_EQ(std::make_pair(StringRef(""), StringRef("ello")),
-            Str.rsplit('h'));
-  EXPECT_EQ(std::make_pair(StringRef("hel"), StringRef("o")),
-            Str.rsplit('l'));
-  EXPECT_EQ(std::make_pair(StringRef("hell"), StringRef("")),
-            Str.rsplit('o'));
-
-  EXPECT_EQ(std::make_pair(StringRef("he"), StringRef("o")),
-		    Str.rsplit("ll"));
-  EXPECT_EQ(std::make_pair(StringRef(""), StringRef("ello")),
-		    Str.rsplit("h"));
-  EXPECT_EQ(std::make_pair(StringRef("hell"), StringRef("")),
-	      Str.rsplit("o"));
-  EXPECT_EQ(std::make_pair(StringRef("hello"), StringRef("")),
-		    Str.rsplit("::"));
-  EXPECT_EQ(std::make_pair(StringRef("hel"), StringRef("o")),
-		    Str.rsplit("l"));
-}
-
-TEST(StringRefTest, Split2) {
-  SmallVector<StringRef, 5> parts;
-  SmallVector<StringRef, 5> expected;
-
-  expected.push_back("ab"); expected.push_back("c");
-  StringRef(",ab,,c,").split(parts, ",", -1, false);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back(""); expected.push_back("ab"); expected.push_back("");
-  expected.push_back("c"); expected.push_back("");
-  StringRef(",ab,,c,").split(parts, ",", -1, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("");
-  StringRef("").split(parts, ",", -1, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  StringRef("").split(parts, ",", -1, false);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  StringRef(",").split(parts, ",", -1, false);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back(""); expected.push_back("");
-  StringRef(",").split(parts, ",", -1, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a"); expected.push_back("b");
-  StringRef("a,b").split(parts, ",", -1, true);
-  EXPECT_TRUE(parts == expected);
-
-  // Test MaxSplit
-  expected.clear(); parts.clear();
-  expected.push_back("a,,b,c");
-  StringRef("a,,b,c").split(parts, ",", 0, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a,,b,c");
-  StringRef("a,,b,c").split(parts, ",", 0, false);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a"); expected.push_back(",b,c");
-  StringRef("a,,b,c").split(parts, ",", 1, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a"); expected.push_back(",b,c");
-  StringRef("a,,b,c").split(parts, ",", 1, false);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a"); expected.push_back(""); expected.push_back("b,c");
-  StringRef("a,,b,c").split(parts, ",", 2, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a"); expected.push_back("b,c");
-  StringRef("a,,b,c").split(parts, ",", 2, false);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a"); expected.push_back(""); expected.push_back("b");
-  expected.push_back("c");
-  StringRef("a,,b,c").split(parts, ",", 3, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a"); expected.push_back("b"); expected.push_back("c");
-  StringRef("a,,b,c").split(parts, ",", 3, false);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a"); expected.push_back("b"); expected.push_back("c");
-  StringRef("a,,b,c").split(parts, ',', 3, false);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("");
-  StringRef().split(parts, ",", 0, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back(StringRef());
-  StringRef("").split(parts, ",", 0, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  StringRef("").split(parts, ",", 0, false);
-  EXPECT_TRUE(parts == expected);
-  StringRef().split(parts, ",", 0, false);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a");
-  expected.push_back("");
-  expected.push_back("b");
-  expected.push_back("c,d");
-  StringRef("a,,b,c,d").split(parts, ",", 3, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("");
-  StringRef().split(parts, ',', 0, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back(StringRef());
-  StringRef("").split(parts, ',', 0, true);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  StringRef("").split(parts, ',', 0, false);
-  EXPECT_TRUE(parts == expected);
-  StringRef().split(parts, ',', 0, false);
-  EXPECT_TRUE(parts == expected);
-
-  expected.clear(); parts.clear();
-  expected.push_back("a");
-  expected.push_back("");
-  expected.push_back("b");
-  expected.push_back("c,d");
-  StringRef("a,,b,c,d").split(parts, ',', 3, true);
-  EXPECT_TRUE(parts == expected);
-}
-
-TEST(StringRefTest, Trim) {
-  StringRef Str0("hello");
-  StringRef Str1(" hello ");
-  StringRef Str2("  hello  ");
-
-  EXPECT_EQ(StringRef("hello"), Str0.rtrim());
-  EXPECT_EQ(StringRef(" hello"), Str1.rtrim());
-  EXPECT_EQ(StringRef("  hello"), Str2.rtrim());
-  EXPECT_EQ(StringRef("hello"), Str0.ltrim());
-  EXPECT_EQ(StringRef("hello "), Str1.ltrim());
-  EXPECT_EQ(StringRef("hello  "), Str2.ltrim());
-  EXPECT_EQ(StringRef("hello"), Str0.trim());
-  EXPECT_EQ(StringRef("hello"), Str1.trim());
-  EXPECT_EQ(StringRef("hello"), Str2.trim());
-
-  EXPECT_EQ(StringRef("ello"), Str0.trim("hhhhhhhhhhh"));
-
-  EXPECT_EQ(StringRef(""), StringRef("").trim());
-  EXPECT_EQ(StringRef(""), StringRef(" ").trim());
-  EXPECT_EQ(StringRef("\0", 1), StringRef(" \0 ", 3).trim());
-  EXPECT_EQ(StringRef("\0\0", 2), StringRef("\0\0", 2).trim());
-  EXPECT_EQ(StringRef("x"), StringRef("\0\0x\0\0", 5).trim('\0'));
-}
-
-TEST(StringRefTest, StartsWith) {
-  StringRef Str("hello");
-  EXPECT_TRUE(Str.startswith(""));
-  EXPECT_TRUE(Str.startswith("he"));
-  EXPECT_FALSE(Str.startswith("helloworld"));
-  EXPECT_FALSE(Str.startswith("hi"));
-}
-
-TEST(StringRefTest, StartsWithLower) {
-  StringRef Str("heLLo");
-  EXPECT_TRUE(Str.startswith_lower(""));
-  EXPECT_TRUE(Str.startswith_lower("he"));
-  EXPECT_TRUE(Str.startswith_lower("hell"));
-  EXPECT_TRUE(Str.startswith_lower("HELlo"));
-  EXPECT_FALSE(Str.startswith_lower("helloworld"));
-  EXPECT_FALSE(Str.startswith_lower("hi"));
-}
-
-TEST(StringRefTest, ConsumeFront) {
-  StringRef Str("hello");
-  EXPECT_TRUE(Str.consume_front(""));
-  EXPECT_EQ("hello", Str);
-  EXPECT_TRUE(Str.consume_front("he"));
-  EXPECT_EQ("llo", Str);
-  EXPECT_FALSE(Str.consume_front("lloworld"));
-  EXPECT_EQ("llo", Str);
-  EXPECT_FALSE(Str.consume_front("lol"));
-  EXPECT_EQ("llo", Str);
-  EXPECT_TRUE(Str.consume_front("llo"));
-  EXPECT_EQ("", Str);
-  EXPECT_FALSE(Str.consume_front("o"));
-  EXPECT_TRUE(Str.consume_front(""));
-}
-
-TEST(StringRefTest, EndsWith) {
-  StringRef Str("hello");
-  EXPECT_TRUE(Str.endswith(""));
-  EXPECT_TRUE(Str.endswith("lo"));
-  EXPECT_FALSE(Str.endswith("helloworld"));
-  EXPECT_FALSE(Str.endswith("worldhello"));
-  EXPECT_FALSE(Str.endswith("so"));
-}
-
-TEST(StringRefTest, EndsWithLower) {
-  StringRef Str("heLLo");
-  EXPECT_TRUE(Str.endswith_lower(""));
-  EXPECT_TRUE(Str.endswith_lower("lo"));
-  EXPECT_TRUE(Str.endswith_lower("LO"));
-  EXPECT_TRUE(Str.endswith_lower("ELlo"));
-  EXPECT_FALSE(Str.endswith_lower("helloworld"));
-  EXPECT_FALSE(Str.endswith_lower("hi"));
-}
-
-TEST(StringRefTest, ConsumeBack) {
-  StringRef Str("hello");
-  EXPECT_TRUE(Str.consume_back(""));
-  EXPECT_EQ("hello", Str);
-  EXPECT_TRUE(Str.consume_back("lo"));
-  EXPECT_EQ("hel", Str);
-  EXPECT_FALSE(Str.consume_back("helhel"));
-  EXPECT_EQ("hel", Str);
-  EXPECT_FALSE(Str.consume_back("hle"));
-  EXPECT_EQ("hel", Str);
-  EXPECT_TRUE(Str.consume_back("hel"));
-  EXPECT_EQ("", Str);
-  EXPECT_FALSE(Str.consume_back("h"));
-  EXPECT_TRUE(Str.consume_back(""));
-}
-
-TEST(StringRefTest, Find) {
-  StringRef Str("helloHELLO");
-  StringRef LongStr("hellx xello hell ello world foo bar hello HELLO");
-
-  struct {
-    StringRef Str;
-    char C;
-    std::size_t From;
-    std::size_t Pos;
-    std::size_t LowerPos;
-  } CharExpectations[] = {
-      {Str, 'h', 0U, 0U, 0U},
-      {Str, 'e', 0U, 1U, 1U},
-      {Str, 'l', 0U, 2U, 2U},
-      {Str, 'l', 3U, 3U, 3U},
-      {Str, 'o', 0U, 4U, 4U},
-      {Str, 'L', 0U, 7U, 2U},
-      {Str, 'z', 0U, StringRef::npos, StringRef::npos},
-  };
-
-  struct {
-    StringRef Str;
-    llvm::StringRef S;
-    std::size_t From;
-    std::size_t Pos;
-    std::size_t LowerPos;
-  } StrExpectations[] = {
-      {Str, "helloword", 0, StringRef::npos, StringRef::npos},
-      {Str, "hello", 0, 0U, 0U},
-      {Str, "ello", 0, 1U, 1U},
-      {Str, "zz", 0, StringRef::npos, StringRef::npos},
-      {Str, "ll", 2U, 2U, 2U},
-      {Str, "ll", 3U, StringRef::npos, 7U},
-      {Str, "LL", 2U, 7U, 2U},
-      {Str, "LL", 3U, 7U, 7U},
-      {Str, "", 0U, 0U, 0U},
-      {LongStr, "hello", 0U, 36U, 36U},
-      {LongStr, "foo", 0U, 28U, 28U},
-      {LongStr, "hell", 2U, 12U, 12U},
-      {LongStr, "HELL", 2U, 42U, 12U},
-      {LongStr, "", 0U, 0U, 0U}};
-
-  for (auto &E : CharExpectations) {
-    EXPECT_EQ(E.Pos, E.Str.find(E.C, E.From));
-    EXPECT_EQ(E.LowerPos, E.Str.find_lower(E.C, E.From));
-    EXPECT_EQ(E.LowerPos, E.Str.find_lower(toupper(E.C), E.From));
-  }
-
-  for (auto &E : StrExpectations) {
-    EXPECT_EQ(E.Pos, E.Str.find(E.S, E.From));
-    EXPECT_EQ(E.LowerPos, E.Str.find_lower(E.S, E.From));
-    EXPECT_EQ(E.LowerPos, E.Str.find_lower(E.S.upper(), E.From));
-  }
-
-  EXPECT_EQ(3U, Str.rfind('l'));
-  EXPECT_EQ(StringRef::npos, Str.rfind('z'));
-  EXPECT_EQ(StringRef::npos, Str.rfind("helloworld"));
-  EXPECT_EQ(0U, Str.rfind("hello"));
-  EXPECT_EQ(1U, Str.rfind("ello"));
-  EXPECT_EQ(StringRef::npos, Str.rfind("zz"));
-
-  EXPECT_EQ(8U, Str.rfind_lower('l'));
-  EXPECT_EQ(8U, Str.rfind_lower('L'));
-  EXPECT_EQ(StringRef::npos, Str.rfind_lower('z'));
-  EXPECT_EQ(StringRef::npos, Str.rfind_lower("HELLOWORLD"));
-  EXPECT_EQ(5U, Str.rfind("HELLO"));
-  EXPECT_EQ(6U, Str.rfind("ELLO"));
-  EXPECT_EQ(StringRef::npos, Str.rfind("ZZ"));
-
-  EXPECT_EQ(2U, Str.find_first_of('l'));
-  EXPECT_EQ(1U, Str.find_first_of("el"));
-  EXPECT_EQ(StringRef::npos, Str.find_first_of("xyz"));
-
-  Str = "hello";
-  EXPECT_EQ(1U, Str.find_first_not_of('h'));
-  EXPECT_EQ(4U, Str.find_first_not_of("hel"));
-  EXPECT_EQ(StringRef::npos, Str.find_first_not_of("hello"));
-
-  EXPECT_EQ(3U, Str.find_last_not_of('o'));
-  EXPECT_EQ(1U, Str.find_last_not_of("lo"));
-  EXPECT_EQ(StringRef::npos, Str.find_last_not_of("helo"));
-}
-
-TEST(StringRefTest, Count) {
-  StringRef Str("hello");
-  EXPECT_EQ(2U, Str.count('l'));
-  EXPECT_EQ(1U, Str.count('o'));
-  EXPECT_EQ(0U, Str.count('z'));
-  EXPECT_EQ(0U, Str.count("helloworld"));
-  EXPECT_EQ(1U, Str.count("hello"));
-  EXPECT_EQ(1U, Str.count("ello"));
-  EXPECT_EQ(0U, Str.count("zz"));
-}
-
-TEST(StringRefTest, EditDistance) {
-  StringRef Hello("hello");
-  EXPECT_EQ(2U, Hello.edit_distance("hill"));
-
-  StringRef Industry("industry");
-  EXPECT_EQ(6U, Industry.edit_distance("interest"));
-
-  StringRef Soylent("soylent green is people");
-  EXPECT_EQ(19U, Soylent.edit_distance("people soiled our green"));
-  EXPECT_EQ(26U, Soylent.edit_distance("people soiled our green",
-                                      /* allow replacements = */ false));
-  EXPECT_EQ(9U, Soylent.edit_distance("people soiled our green",
-                                      /* allow replacements = */ true,
-                                      /* max edit distance = */ 8));
-  EXPECT_EQ(53U, Soylent.edit_distance("people soiled our green "
-                                       "people soiled our green "
-                                       "people soiled our green "));
-}
-
-TEST(StringRefTest, Misc) {
-  std::string Storage;
-  raw_string_ostream OS(Storage);
-  OS << StringRef("hello");
-  EXPECT_EQ("hello", OS.str());
-}
-
-TEST(StringRefTest, Hashing) {
-  EXPECT_EQ(hash_value(std::string()), hash_value(StringRef()));
-  EXPECT_EQ(hash_value(std::string()), hash_value(StringRef("")));
-  std::string S = "hello world";
-  hash_code H = hash_value(S);
-  EXPECT_EQ(H, hash_value(StringRef("hello world")));
-  EXPECT_EQ(H, hash_value(StringRef(S)));
-  EXPECT_NE(H, hash_value(StringRef("hello worl")));
-  EXPECT_EQ(hash_value(std::string("hello worl")),
-            hash_value(StringRef("hello worl")));
-  EXPECT_NE(H, hash_value(StringRef("hello world ")));
-  EXPECT_EQ(hash_value(std::string("hello world ")),
-            hash_value(StringRef("hello world ")));
-  EXPECT_EQ(H, hash_value(StringRef("hello world\0")));
-  EXPECT_NE(hash_value(std::string("ello worl")),
-            hash_value(StringRef("hello world").slice(1, -1)));
-}
-
-struct UnsignedPair {
-  const char *Str;
-  uint64_t Expected;
-} Unsigned[] =
-  { {"0", 0}
-  , {"255", 255}
-  , {"256", 256}
-  , {"65535", 65535}
-  , {"65536", 65536}
-  , {"4294967295", 4294967295ULL}
-  , {"4294967296", 4294967296ULL}
-  , {"18446744073709551615", 18446744073709551615ULL}
-  , {"042", 34}
-  , {"0x42", 66}
-  , {"0b101010", 42}
-  };
-
-struct SignedPair {
-  const char *Str;
-  int64_t Expected;
-} Signed[] =
-  { {"0", 0}
-  , {"-0", 0}
-  , {"127", 127}
-  , {"128", 128}
-  , {"-128", -128}
-  , {"-129", -129}
-  , {"32767", 32767}
-  , {"32768", 32768}
-  , {"-32768", -32768}
-  , {"-32769", -32769}
-  , {"2147483647", 2147483647LL}
-  , {"2147483648", 2147483648LL}
-  , {"-2147483648", -2147483648LL}
-  , {"-2147483649", -2147483649LL}
-  , {"-9223372036854775808", -(9223372036854775807LL) - 1}
-  , {"042", 34}
-  , {"0x42", 66}
-  , {"0b101010", 42}
-  , {"-042", -34}
-  , {"-0x42", -66}
-  , {"-0b101010", -42}
-  };
-
-TEST(StringRefTest, getAsInteger) {
-  uint8_t U8;
-  uint16_t U16;
-  uint32_t U32;
-  uint64_t U64;
-
-  for (size_t i = 0; i < array_lengthof(Unsigned); ++i) {
-    bool U8Success = StringRef(Unsigned[i].Str).getAsInteger(0, U8);
-    if (static_cast<uint8_t>(Unsigned[i].Expected) == Unsigned[i].Expected) {
-      ASSERT_FALSE(U8Success);
-      EXPECT_EQ(U8, Unsigned[i].Expected);
-    } else {
-      ASSERT_TRUE(U8Success);
-    }
-    bool U16Success = StringRef(Unsigned[i].Str).getAsInteger(0, U16);
-    if (static_cast<uint16_t>(Unsigned[i].Expected) == Unsigned[i].Expected) {
-      ASSERT_FALSE(U16Success);
-      EXPECT_EQ(U16, Unsigned[i].Expected);
-    } else {
-      ASSERT_TRUE(U16Success);
-    }
-    bool U32Success = StringRef(Unsigned[i].Str).getAsInteger(0, U32);
-    if (static_cast<uint32_t>(Unsigned[i].Expected) == Unsigned[i].Expected) {
-      ASSERT_FALSE(U32Success);
-      EXPECT_EQ(U32, Unsigned[i].Expected);
-    } else {
-      ASSERT_TRUE(U32Success);
-    }
-    bool U64Success = StringRef(Unsigned[i].Str).getAsInteger(0, U64);
-    if (static_cast<uint64_t>(Unsigned[i].Expected) == Unsigned[i].Expected) {
-      ASSERT_FALSE(U64Success);
-      EXPECT_EQ(U64, Unsigned[i].Expected);
-    } else {
-      ASSERT_TRUE(U64Success);
-    }
-  }
-
-  int8_t S8;
-  int16_t S16;
-  int32_t S32;
-  int64_t S64;
-
-  for (size_t i = 0; i < array_lengthof(Signed); ++i) {
-    bool S8Success = StringRef(Signed[i].Str).getAsInteger(0, S8);
-    if (static_cast<int8_t>(Signed[i].Expected) == Signed[i].Expected) {
-      ASSERT_FALSE(S8Success);
-      EXPECT_EQ(S8, Signed[i].Expected);
-    } else {
-      ASSERT_TRUE(S8Success);
-    }
-    bool S16Success = StringRef(Signed[i].Str).getAsInteger(0, S16);
-    if (static_cast<int16_t>(Signed[i].Expected) == Signed[i].Expected) {
-      ASSERT_FALSE(S16Success);
-      EXPECT_EQ(S16, Signed[i].Expected);
-    } else {
-      ASSERT_TRUE(S16Success);
-    }
-    bool S32Success = StringRef(Signed[i].Str).getAsInteger(0, S32);
-    if (static_cast<int32_t>(Signed[i].Expected) == Signed[i].Expected) {
-      ASSERT_FALSE(S32Success);
-      EXPECT_EQ(S32, Signed[i].Expected);
-    } else {
-      ASSERT_TRUE(S32Success);
-    }
-    bool S64Success = StringRef(Signed[i].Str).getAsInteger(0, S64);
-    if (static_cast<int64_t>(Signed[i].Expected) == Signed[i].Expected) {
-      ASSERT_FALSE(S64Success);
-      EXPECT_EQ(S64, Signed[i].Expected);
-    } else {
-      ASSERT_TRUE(S64Success);
-    }
-  }
-}
-
-
-static const char* BadStrings[] = {
-    ""                      // empty string
-  , "18446744073709551617"  // value just over max
-  , "123456789012345678901" // value way too large
-  , "4t23v"                 // illegal decimal characters
-  , "0x123W56"              // illegal hex characters
-  , "0b2"                   // illegal bin characters
-  , "08"                    // illegal oct characters
-  , "0o8"                   // illegal oct characters
-  , "-123"                  // negative unsigned value
-  , "0x"
-  , "0b"
-};
-
-
-TEST(StringRefTest, getAsUnsignedIntegerBadStrings) {
-  unsigned long long U64;
-  for (size_t i = 0; i < array_lengthof(BadStrings); ++i) {
-    bool IsBadNumber = StringRef(BadStrings[i]).getAsInteger(0, U64);
-    ASSERT_TRUE(IsBadNumber);
-  }
-}
-
-struct ConsumeUnsignedPair {
-  const char *Str;
-  uint64_t Expected;
-  const char *Leftover;
-} ConsumeUnsigned[] = {
-    {"0", 0, ""},
-    {"255", 255, ""},
-    {"256", 256, ""},
-    {"65535", 65535, ""},
-    {"65536", 65536, ""},
-    {"4294967295", 4294967295ULL, ""},
-    {"4294967296", 4294967296ULL, ""},
-    {"255A376", 255, "A376"},
-    {"18446744073709551615", 18446744073709551615ULL, ""},
-    {"18446744073709551615ABC", 18446744073709551615ULL, "ABC"},
-    {"042", 34, ""},
-    {"0x42", 66, ""},
-    {"0x42-0x34", 66, "-0x34"},
-    {"0b101010", 42, ""},
-    {"0429F", 042, "9F"},            // Auto-sensed octal radix, invalid digit
-    {"0x42G12", 0x42, "G12"},        // Auto-sensed hex radix, invalid digit
-    {"0b10101020101", 42, "20101"}}; // Auto-sensed binary radix, invalid digit.
-
-struct ConsumeSignedPair {
-  const char *Str;
-  int64_t Expected;
-  const char *Leftover;
-} ConsumeSigned[] = {
-    {"0", 0, ""},
-    {"-0", 0, ""},
-    {"0-1", 0, "-1"},
-    {"-0-1", 0, "-1"},
-    {"127", 127, ""},
-    {"128", 128, ""},
-    {"127-1", 127, "-1"},
-    {"128-1", 128, "-1"},
-    {"-128", -128, ""},
-    {"-129", -129, ""},
-    {"-128-1", -128, "-1"},
-    {"-129-1", -129, "-1"},
-    {"32767", 32767, ""},
-    {"32768", 32768, ""},
-    {"32767-1", 32767, "-1"},
-    {"32768-1", 32768, "-1"},
-    {"-32768", -32768, ""},
-    {"-32769", -32769, ""},
-    {"-32768-1", -32768, "-1"},
-    {"-32769-1", -32769, "-1"},
-    {"2147483647", 2147483647LL, ""},
-    {"2147483648", 2147483648LL, ""},
-    {"2147483647-1", 2147483647LL, "-1"},
-    {"2147483648-1", 2147483648LL, "-1"},
-    {"-2147483648", -2147483648LL, ""},
-    {"-2147483649", -2147483649LL, ""},
-    {"-2147483648-1", -2147483648LL, "-1"},
-    {"-2147483649-1", -2147483649LL, "-1"},
-    {"-9223372036854775808", -(9223372036854775807LL) - 1, ""},
-    {"-9223372036854775808-1", -(9223372036854775807LL) - 1, "-1"},
-    {"042", 34, ""},
-    {"042-1", 34, "-1"},
-    {"0x42", 66, ""},
-    {"0x42-1", 66, "-1"},
-    {"0b101010", 42, ""},
-    {"0b101010-1", 42, "-1"},
-    {"-042", -34, ""},
-    {"-042-1", -34, "-1"},
-    {"-0x42", -66, ""},
-    {"-0x42-1", -66, "-1"},
-    {"-0b101010", -42, ""},
-    {"-0b101010-1", -42, "-1"}};
-
-TEST(StringRefTest, consumeIntegerUnsigned) {
-  uint8_t U8;
-  uint16_t U16;
-  uint32_t U32;
-  uint64_t U64;
-
-  for (size_t i = 0; i < array_lengthof(ConsumeUnsigned); ++i) {
-    StringRef Str = ConsumeUnsigned[i].Str;
-    bool U8Success = Str.consumeInteger(0, U8);
-    if (static_cast<uint8_t>(ConsumeUnsigned[i].Expected) ==
-        ConsumeUnsigned[i].Expected) {
-      ASSERT_FALSE(U8Success);
-      EXPECT_EQ(U8, ConsumeUnsigned[i].Expected);
-      EXPECT_EQ(Str, ConsumeUnsigned[i].Leftover);
-    } else {
-      ASSERT_TRUE(U8Success);
-    }
-
-    Str = ConsumeUnsigned[i].Str;
-    bool U16Success = Str.consumeInteger(0, U16);
-    if (static_cast<uint16_t>(ConsumeUnsigned[i].Expected) ==
-        ConsumeUnsigned[i].Expected) {
-      ASSERT_FALSE(U16Success);
-      EXPECT_EQ(U16, ConsumeUnsigned[i].Expected);
-      EXPECT_EQ(Str, ConsumeUnsigned[i].Leftover);
-    } else {
-      ASSERT_TRUE(U16Success);
-    }
-
-    Str = ConsumeUnsigned[i].Str;
-    bool U32Success = Str.consumeInteger(0, U32);
-    if (static_cast<uint32_t>(ConsumeUnsigned[i].Expected) ==
-        ConsumeUnsigned[i].Expected) {
-      ASSERT_FALSE(U32Success);
-      EXPECT_EQ(U32, ConsumeUnsigned[i].Expected);
-      EXPECT_EQ(Str, ConsumeUnsigned[i].Leftover);
-    } else {
-      ASSERT_TRUE(U32Success);
-    }
-
-    Str = ConsumeUnsigned[i].Str;
-    bool U64Success = Str.consumeInteger(0, U64);
-    if (static_cast<uint64_t>(ConsumeUnsigned[i].Expected) ==
-        ConsumeUnsigned[i].Expected) {
-      ASSERT_FALSE(U64Success);
-      EXPECT_EQ(U64, ConsumeUnsigned[i].Expected);
-      EXPECT_EQ(Str, ConsumeUnsigned[i].Leftover);
-    } else {
-      ASSERT_TRUE(U64Success);
-    }
-  }
-}
-
-TEST(StringRefTest, consumeIntegerSigned) {
-  int8_t S8;
-  int16_t S16;
-  int32_t S32;
-  int64_t S64;
-
-  for (size_t i = 0; i < array_lengthof(ConsumeSigned); ++i) {
-    StringRef Str = ConsumeSigned[i].Str;
-    bool S8Success = Str.consumeInteger(0, S8);
-    if (static_cast<int8_t>(ConsumeSigned[i].Expected) ==
-        ConsumeSigned[i].Expected) {
-      ASSERT_FALSE(S8Success);
-      EXPECT_EQ(S8, ConsumeSigned[i].Expected);
-      EXPECT_EQ(Str, ConsumeSigned[i].Leftover);
-    } else {
-      ASSERT_TRUE(S8Success);
-    }
-
-    Str = ConsumeSigned[i].Str;
-    bool S16Success = Str.consumeInteger(0, S16);
-    if (static_cast<int16_t>(ConsumeSigned[i].Expected) ==
-        ConsumeSigned[i].Expected) {
-      ASSERT_FALSE(S16Success);
-      EXPECT_EQ(S16, ConsumeSigned[i].Expected);
-      EXPECT_EQ(Str, ConsumeSigned[i].Leftover);
-    } else {
-      ASSERT_TRUE(S16Success);
-    }
-
-    Str = ConsumeSigned[i].Str;
-    bool S32Success = Str.consumeInteger(0, S32);
-    if (static_cast<int32_t>(ConsumeSigned[i].Expected) ==
-        ConsumeSigned[i].Expected) {
-      ASSERT_FALSE(S32Success);
-      EXPECT_EQ(S32, ConsumeSigned[i].Expected);
-      EXPECT_EQ(Str, ConsumeSigned[i].Leftover);
-    } else {
-      ASSERT_TRUE(S32Success);
-    }
-
-    Str = ConsumeSigned[i].Str;
-    bool S64Success = Str.consumeInteger(0, S64);
-    if (static_cast<int64_t>(ConsumeSigned[i].Expected) ==
-        ConsumeSigned[i].Expected) {
-      ASSERT_FALSE(S64Success);
-      EXPECT_EQ(S64, ConsumeSigned[i].Expected);
-      EXPECT_EQ(Str, ConsumeSigned[i].Leftover);
-    } else {
-      ASSERT_TRUE(S64Success);
-    }
-  }
-}
-
-struct GetDoubleStrings {
-  const char *Str;
-  bool AllowInexact;
-  bool ShouldFail;
-  double D;
-} DoubleStrings[] = {{"0", false, false, 0.0},
-                     {"0.0", false, false, 0.0},
-                     {"-0.0", false, false, -0.0},
-                     {"123.45", false, true, 123.45},
-                     {"123.45", true, false, 123.45},
-                     {"1.8e308", true, false, std::numeric_limits<double>::infinity()},
-                     {"1.8e308", false, true, std::numeric_limits<double>::infinity()},
-                     {"0x0.0000000000001P-1023", false, true, 0.0},
-                     {"0x0.0000000000001P-1023", true, false, 0.0},
-                    };
-
-TEST(StringRefTest, getAsDouble) {
-  for (const auto &Entry : DoubleStrings) {
-    double Result;
-    StringRef S(Entry.Str);
-    EXPECT_EQ(Entry.ShouldFail, S.getAsDouble(Result, Entry.AllowInexact));
-    if (!Entry.ShouldFail) {
-      EXPECT_EQ(Result, Entry.D);
-    }
-  }
-}
-
-static const char *join_input[] = { "a", "b", "c" };
-static const char join_result1[] = "a";
-static const char join_result2[] = "a:b:c";
-static const char join_result3[] = "a::b::c";
-
-TEST(StringRefTest, joinStrings) {
-  std::vector<StringRef> v1;
-  std::vector<std::string> v2;
-  for (size_t i = 0; i < array_lengthof(join_input); ++i) {
-    v1.push_back(join_input[i]);
-    v2.push_back(join_input[i]);
-  }
-
-  bool v1_join1 = join(v1.begin(), v1.begin() + 1, ":") == join_result1;
-  EXPECT_TRUE(v1_join1);
-  bool v1_join2 = join(v1.begin(), v1.end(), ":") == join_result2;
-  EXPECT_TRUE(v1_join2);
-  bool v1_join3 = join(v1.begin(), v1.end(), "::") == join_result3;
-  EXPECT_TRUE(v1_join3);
-
-  bool v2_join1 = join(v2.begin(), v2.begin() + 1, ":") == join_result1;
-  EXPECT_TRUE(v2_join1);
-  bool v2_join2 = join(v2.begin(), v2.end(), ":") == join_result2;
-  EXPECT_TRUE(v2_join2);
-  bool v2_join3 = join(v2.begin(), v2.end(), "::") == join_result3;
-  EXPECT_TRUE(v2_join3);
-  v2_join3 = join(v2, "::") == join_result3;
-  EXPECT_TRUE(v2_join3);
-}
-
-
-TEST(StringRefTest, AllocatorCopy) {
-  BumpPtrAllocator Alloc;
-  // First test empty strings.  We don't want these to allocate anything on the
-  // allocator.
-  StringRef StrEmpty = "";
-  StringRef StrEmptyc = StrEmpty.copy(Alloc);
-  EXPECT_TRUE(StrEmpty.equals(StrEmptyc));
-  EXPECT_EQ(StrEmptyc.data(), nullptr);
-  EXPECT_EQ(StrEmptyc.size(), 0u);
-  EXPECT_EQ(Alloc.getTotalMemory(), 0u);
-
-  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());
-}
-
-TEST(StringRefTest, Drop) {
-  StringRef Test("StringRefTest::Drop");
-
-  StringRef Dropped = Test.drop_front(5);
-  EXPECT_EQ(Dropped, "gRefTest::Drop");
-
-  Dropped = Test.drop_back(5);
-  EXPECT_EQ(Dropped, "StringRefTest:");
-
-  Dropped = Test.drop_front(0);
-  EXPECT_EQ(Dropped, Test);
-
-  Dropped = Test.drop_back(0);
-  EXPECT_EQ(Dropped, Test);
-
-  Dropped = Test.drop_front(Test.size());
-  EXPECT_TRUE(Dropped.empty());
-
-  Dropped = Test.drop_back(Test.size());
-  EXPECT_TRUE(Dropped.empty());
-}
-
-TEST(StringRefTest, Take) {
-  StringRef Test("StringRefTest::Take");
-
-  StringRef Taken = Test.take_front(5);
-  EXPECT_EQ(Taken, "Strin");
-
-  Taken = Test.take_back(5);
-  EXPECT_EQ(Taken, ":Take");
-
-  Taken = Test.take_front(Test.size());
-  EXPECT_EQ(Taken, Test);
-
-  Taken = Test.take_back(Test.size());
-  EXPECT_EQ(Taken, Test);
-
-  Taken = Test.take_front(0);
-  EXPECT_TRUE(Taken.empty());
-
-  Taken = Test.take_back(0);
-  EXPECT_TRUE(Taken.empty());
-}
-
-TEST(StringRefTest, FindIf) {
-  StringRef Punct("Test.String");
-  StringRef NoPunct("ABCDEFG");
-  StringRef Empty;
-
-  auto IsPunct = [](char c) { return ::ispunct(c); };
-  auto IsAlpha = [](char c) { return ::isalpha(c); };
-  EXPECT_EQ(4U, Punct.find_if(IsPunct));
-  EXPECT_EQ(StringRef::npos, NoPunct.find_if(IsPunct));
-  EXPECT_EQ(StringRef::npos, Empty.find_if(IsPunct));
-
-  EXPECT_EQ(4U, Punct.find_if_not(IsAlpha));
-  EXPECT_EQ(StringRef::npos, NoPunct.find_if_not(IsAlpha));
-  EXPECT_EQ(StringRef::npos, Empty.find_if_not(IsAlpha));
-}
-
-TEST(StringRefTest, TakeWhileUntil) {
-  StringRef Test("String With 1 Number");
-
-  StringRef Taken = Test.take_while([](char c) { return ::isdigit(c); });
-  EXPECT_EQ("", Taken);
-
-  Taken = Test.take_until([](char c) { return ::isdigit(c); });
-  EXPECT_EQ("String With ", Taken);
-
-  Taken = Test.take_while([](char c) { return true; });
-  EXPECT_EQ(Test, Taken);
-
-  Taken = Test.take_until([](char c) { return true; });
-  EXPECT_EQ("", Taken);
-
-  Test = "";
-  Taken = Test.take_while([](char c) { return true; });
-  EXPECT_EQ("", Taken);
-}
-
-TEST(StringRefTest, DropWhileUntil) {
-  StringRef Test("String With 1 Number");
-
-  StringRef Taken = Test.drop_while([](char c) { return ::isdigit(c); });
-  EXPECT_EQ(Test, Taken);
-
-  Taken = Test.drop_until([](char c) { return ::isdigit(c); });
-  EXPECT_EQ("1 Number", Taken);
-
-  Taken = Test.drop_while([](char c) { return true; });
-  EXPECT_EQ("", Taken);
-
-  Taken = Test.drop_until([](char c) { return true; });
-  EXPECT_EQ(Test, Taken);
-
-  StringRef EmptyString = "";
-  Taken = EmptyString.drop_while([](char c) { return true; });
-  EXPECT_EQ("", Taken);
-}
-
-TEST(StringRefTest, StringLiteral) {
-  constexpr StringLiteral Strings[] = {"Foo", "Bar"};
-  EXPECT_EQ(StringRef("Foo"), Strings[0]);
-  EXPECT_EQ(StringRef("Bar"), Strings[1]);
-}
-
-} // end anonymous namespace