Invert the MC -> Object dependency.

Now that we have a lib/MC/MCAnalysis, the dependency was there just because
of two helper classes. Move the two over to MC.

This will allow IRObjectFile to parse inline assembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212248 91177308-0d34-0410-b5e6-96231b3b80d8

unittests/MC/StringTableBuilderTest.cpp

@@ -0,0 +1,40 @@
+//===----------- StringTableBuilderTest.cpp -------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/StringTableBuilder.h"
+#include "gtest/gtest.h"
+#include <string>
+
+using namespace llvm;
+
+namespace {
+
+TEST(StringTableBuilderTest, Basic) {
+  StringTableBuilder B;
+
+  B.add("foo");
+  B.add("bar");
+  B.add("foobar");
+
+  B.finalize();
+
+  std::string Expected;
+  Expected += '\x00';
+  Expected += "foobar";
+  Expected += '\x00';
+  Expected += "foo";
+  Expected += '\x00';
+
+  EXPECT_EQ(Expected, B.data());
+  EXPECT_EQ(1U, B.getOffset("foobar"));
+  EXPECT_EQ(4U, B.getOffset("bar"));
+  EXPECT_EQ(8U, B.getOffset("foo"));
+}
+
+}