Use std::make_shared in LLDB (NFC)

Unlike std::make_unique, which is only available since C++14,
std::make_shared is available since C++11. Not only is std::make_shared
a lot more readable compared to ::reset(new), it also performs a single
heap allocation for the object and control block.

Differential revision: https://reviews.llvm.org/D57990

llvm-svn: 353764

3 files changed, 9 insertions, 3 deletions

diff --git a/lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/MainThreadCheckerRuntime.cpp b/lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/MainThreadCheckerRuntime.cpp
index b23254c8d00..297dd2b58cb 100644
--- a/lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/MainThreadCheckerRuntime.cpp
+++ b/lldb/source/Plugins/InstrumentationRuntime/MainThreadChecker/MainThreadCheckerRuntime.cpp
@@ -24,6 +24,8 @@
 #include "lldb/Utility/RegularExpression.h"
 #include "Plugins/Process/Utility/HistoryThread.h"
 
+#include <memory>
+
 using namespace lldb;
 using namespace lldb_private;
 
@@ -238,7 +240,7 @@ lldb::ThreadCollectionSP
 MainThreadCheckerRuntime::GetBacktracesFromExtendedStopInfo(
     StructuredData::ObjectSP info) {
   ThreadCollectionSP threads;
-  threads.reset(new ThreadCollection());
+  threads = std::make_shared<ThreadCollection>();
   
   ProcessSP process_sp = GetProcessSP();
   
diff --git a/lldb/source/Plugins/InstrumentationRuntime/TSan/TSanRuntime.cpp b/lldb/source/Plugins/InstrumentationRuntime/TSan/TSanRuntime.cpp
index 3c195accbd9..aa615837c20 100644
--- a/lldb/source/Plugins/InstrumentationRuntime/TSan/TSanRuntime.cpp
+++ b/lldb/source/Plugins/InstrumentationRuntime/TSan/TSanRuntime.cpp
@@ -30,6 +30,8 @@
 #include "lldb/Utility/RegularExpression.h"
 #include "lldb/Utility/Stream.h"
 
+#include <memory>
+
 using namespace lldb;
 using namespace lldb_private;
 
@@ -1050,7 +1052,7 @@ lldb::ThreadCollectionSP
 ThreadSanitizerRuntime::GetBacktracesFromExtendedStopInfo(
     StructuredData::ObjectSP info) {
   ThreadCollectionSP threads;
-  threads.reset(new ThreadCollection());
+  threads = std::make_shared<ThreadCollection>();
 
   if (info->GetObjectForDotSeparatedPath("instrumentation_class")
           ->GetStringValue() != "ThreadSanitizer")
diff --git a/lldb/source/Plugins/InstrumentationRuntime/UBSan/UBSanRuntime.cpp b/lldb/source/Plugins/InstrumentationRuntime/UBSan/UBSanRuntime.cpp
index e400b8160c4..8445954be0a 100644
--- a/lldb/source/Plugins/InstrumentationRuntime/UBSan/UBSanRuntime.cpp
+++ b/lldb/source/Plugins/InstrumentationRuntime/UBSan/UBSanRuntime.cpp
@@ -31,6 +31,8 @@
 #include "lldb/Utility/Stream.h"
 #include <ctype.h>
 
+#include <memory>
+
 using namespace lldb;
 using namespace lldb_private;
 
@@ -303,7 +305,7 @@ lldb::ThreadCollectionSP
 UndefinedBehaviorSanitizerRuntime::GetBacktracesFromExtendedStopInfo(
     StructuredData::ObjectSP info) {
   ThreadCollectionSP threads;
-  threads.reset(new ThreadCollection());
+  threads = std::make_shared<ThreadCollection>();
 
   ProcessSP process_sp = GetProcessSP();