Convert a few more cases of direct intialization of unique_ptrs from MemoryBuffer::getMemBuffer to move initialization now that it returns by unique_ptr instead of raw pointer.

Cleanup/improvements following r216583.

llvm-svn: 216605
diff --git a/llvm/tools/gold/gold-plugin.cpp b/llvm/tools/gold/gold-plugin.cpp
index fd505b0..69d33c9 100644
--- a/llvm/tools/gold/gold-plugin.cpp
+++ b/llvm/tools/gold/gold-plugin.cpp
@@ -546,8 +546,8 @@
   if (get_view(F.handle, &View) != LDPS_OK)
     message(LDPL_FATAL, "Failed to get a view of file");
 
-  std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer(
-      StringRef((char *)View, File.filesize), "", false));
+  std::unique_ptr<MemoryBuffer> Buffer = MemoryBuffer::getMemBuffer(
+      StringRef((char *)View, File.filesize), "", false);
 
   if (release_input_file(F.handle) != LDPS_OK)
     message(LDPL_FATAL, "Failed to release file information");
diff --git a/llvm/unittests/Support/LineIteratorTest.cpp b/llvm/unittests/Support/LineIteratorTest.cpp
index 2c8e143..8ec6c93 100644
--- a/llvm/unittests/Support/LineIteratorTest.cpp
+++ b/llvm/unittests/Support/LineIteratorTest.cpp
@@ -17,9 +17,9 @@
 namespace {
 
 TEST(LineIteratorTest, Basic) {
-  std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer("line 1\n"
-                                                                  "line 2\n"
-                                                                  "line 3"));
+  std::unique_ptr<MemoryBuffer> Buffer = MemoryBuffer::getMemBuffer("line 1\n"
+                                                                    "line 2\n"
+                                                                    "line 3");
 
   line_iterator I = line_iterator(*Buffer), E;
 
@@ -68,11 +68,11 @@
 }
 
 TEST(LineIteratorTest, BlankSkipping) {
-  std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer("\n\n\n"
-                                                                  "line 1\n"
-                                                                  "\n\n\n"
-                                                                  "line 2\n"
-                                                                  "\n\n\n"));
+  std::unique_ptr<MemoryBuffer> Buffer = MemoryBuffer::getMemBuffer("\n\n\n"
+                                                                    "line 1\n"
+                                                                    "\n\n\n"
+                                                                    "line 2\n"
+                                                                    "\n\n\n");
 
   line_iterator I = line_iterator(*Buffer), E;
 
@@ -91,7 +91,7 @@
 }
 
 TEST(LineIteratorTest, EmptyBuffers) {
-  std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer(""));
+  std::unique_ptr<MemoryBuffer> Buffer = MemoryBuffer::getMemBuffer("");
   EXPECT_TRUE(line_iterator(*Buffer).is_at_eof());
   EXPECT_EQ(line_iterator(), line_iterator(*Buffer));
 
diff --git a/llvm/unittests/Support/SpecialCaseListTest.cpp b/llvm/unittests/Support/SpecialCaseListTest.cpp
index bb9c351..1e13dba 100644
--- a/llvm/unittests/Support/SpecialCaseListTest.cpp
+++ b/llvm/unittests/Support/SpecialCaseListTest.cpp
@@ -18,7 +18,7 @@
 class SpecialCaseListTest : public ::testing::Test {
 protected:
   SpecialCaseList *makeSpecialCaseList(StringRef List, std::string &Error) {
-    std::unique_ptr<MemoryBuffer> MB(MemoryBuffer::getMemBuffer(List));
+    std::unique_ptr<MemoryBuffer> MB = MemoryBuffer::getMemBuffer(List);
     return SpecialCaseList::create(MB.get(), Error);
   }