From 0c83952c2e75a70f802728ed893f3d9cb77d03fc Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Fri, 28 Nov 2014 20:30:37 +0000
Subject: [PATCH] Use unique_ptr to simplify deletion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222929 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/CodeGenTarget.cpp | 8 +++-----
 utils/TableGen/CodeGenTarget.h   | 4 ++--
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp
index f4f5e2b2346..b871e067794 100644
--- a/utils/TableGen/CodeGenTarget.cpp
+++ b/utils/TableGen/CodeGenTarget.cpp
@@ -133,7 +133,7 @@ std::string llvm::getQualifiedName(const Record *R) {
 /// getTarget - Return the current instance of the Target class.
 ///
 CodeGenTarget::CodeGenTarget(RecordKeeper &records)
-  : Records(records), RegBank(nullptr), SchedModels(nullptr) {
+  : Records(records) {
   std::vector<Record*> Targets = Records.getAllDerivedDefinitions("Target");
   if (Targets.size() == 0)
     PrintFatalError("ERROR: No 'Target' subclasses defined!");
@@ -144,8 +144,6 @@ CodeGenTarget::CodeGenTarget(RecordKeeper &records)
 
 CodeGenTarget::~CodeGenTarget() {
   DeleteContainerSeconds(Instructions);
-  delete RegBank;
-  delete SchedModels;
 }
 
 const std::string &CodeGenTarget::getName() const {
@@ -211,7 +209,7 @@ Record *CodeGenTarget::getAsmWriter() const {
 
 CodeGenRegBank &CodeGenTarget::getRegBank() const {
   if (!RegBank)
-    RegBank = new CodeGenRegBank(Records);
+    RegBank = llvm::make_unique<CodeGenRegBank>(Records);
   return *RegBank;
 }
 
@@ -265,7 +263,7 @@ void CodeGenTarget::ReadLegalValueTypes() const {
 
 CodeGenSchedModels &CodeGenTarget::getSchedModels() const {
   if (!SchedModels)
-    SchedModels = new CodeGenSchedModels(Records, *this);
+    SchedModels = llvm::make_unique<CodeGenSchedModels>(Records, *this);
   return *SchedModels;
 }
 
diff --git a/utils/TableGen/CodeGenTarget.h b/utils/TableGen/CodeGenTarget.h
index f4e1b6ad6d5..a46c9a6ffff 100644
--- a/utils/TableGen/CodeGenTarget.h
+++ b/utils/TableGen/CodeGenTarget.h
@@ -66,14 +66,14 @@ class CodeGenTarget {
   Record *TargetRec;
 
   mutable DenseMap<const Record*, CodeGenInstruction*> Instructions;
-  mutable CodeGenRegBank *RegBank;
+  mutable std::unique_ptr<CodeGenRegBank> RegBank;
   mutable std::vector<Record*> RegAltNameIndices;
   mutable SmallVector<MVT::SimpleValueType, 8> LegalValueTypes;
   void ReadRegAltNameIndices() const;
   void ReadInstructions() const;
   void ReadLegalValueTypes() const;
 
-  mutable CodeGenSchedModels *SchedModels;
+  mutable std::unique_ptr<CodeGenSchedModels> SchedModels;
 
   mutable std::vector<const CodeGenInstruction*> InstrsByEnum;
 public: