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

1 files changed, 10 insertions, 7 deletions

diff --git a/lldb/source/Plugins/Process/MacOSX-Kernel/ThreadKDP.cpp b/lldb/source/Plugins/Process/MacOSX-Kernel/ThreadKDP.cpp
index d0e78a8e74d..341c6329ad6 100644
--- a/lldb/source/Plugins/Process/MacOSX-Kernel/ThreadKDP.cpp
+++ b/lldb/source/Plugins/Process/MacOSX-Kernel/ThreadKDP.cpp
@@ -29,6 +29,8 @@
 #include "RegisterContextKDP_i386.h"
 #include "RegisterContextKDP_x86_64.h"
 
+#include <memory>
+
 using namespace lldb;
 using namespace lldb_private;
 
@@ -98,19 +100,20 @@ ThreadKDP::CreateRegisterContextForFrame(StackFrame *frame) {
                   ->GetCommunication()
                   .GetCPUType()) {
       case llvm::MachO::CPU_TYPE_ARM:
-        reg_ctx_sp.reset(new RegisterContextKDP_arm(*this, concrete_frame_idx));
+        reg_ctx_sp =
+            std::make_shared<RegisterContextKDP_arm>(*this, concrete_frame_idx);
         break;
       case llvm::MachO::CPU_TYPE_ARM64:
-        reg_ctx_sp.reset(
-            new RegisterContextKDP_arm64(*this, concrete_frame_idx));
+        reg_ctx_sp = std::make_shared<RegisterContextKDP_arm64>(
+            *this, concrete_frame_idx);
         break;
       case llvm::MachO::CPU_TYPE_I386:
-        reg_ctx_sp.reset(
-            new RegisterContextKDP_i386(*this, concrete_frame_idx));
+        reg_ctx_sp = std::make_shared<RegisterContextKDP_i386>(
+            *this, concrete_frame_idx);
         break;
       case llvm::MachO::CPU_TYPE_X86_64:
-        reg_ctx_sp.reset(
-            new RegisterContextKDP_x86_64(*this, concrete_frame_idx));
+        reg_ctx_sp = std::make_shared<RegisterContextKDP_x86_64>(
+            *this, concrete_frame_idx);
         break;
       default:
         llvm_unreachable("Add CPU type support in KDP");