[Analysis, CodeGen] Use "= default" (NFC) (#166024)

Identified with modernize-use-equals-default.

5 files changed, 6 insertions, 6 deletions

diff --git a/llvm/lib/Analysis/AliasAnalysis.cpp b/llvm/lib/Analysis/AliasAnalysis.cpp
index f2dc25f..26a5602 100644
--- a/llvm/lib/Analysis/AliasAnalysis.cpp
+++ b/llvm/lib/Analysis/AliasAnalysis.cpp
@@ -75,7 +75,7 @@ AAResults::AAResults(const TargetLibraryInfo &TLI) : TLI(TLI) {}
 AAResults::AAResults(AAResults &&Arg)
     : TLI(Arg.TLI), AAs(std::move(Arg.AAs)), AADeps(std::move(Arg.AADeps)) {}
 
-AAResults::~AAResults() {}
+AAResults::~AAResults() = default;
 
 bool AAResults::invalidate(Function &F, const PreservedAnalyses &PA,
                            FunctionAnalysisManager::Invalidator &Inv) {
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index 8ea1326..0309e22 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -368,7 +368,7 @@ class CodeGenPrepare {
   std::unique_ptr<DominatorTree> DT;
 
 public:
-  CodeGenPrepare(){};
+  CodeGenPrepare() = default;
   CodeGenPrepare(const TargetMachine *TM) : TM(TM){};
   /// If encounter huge function, we need to limit the build time.
   bool IsHugeFunc = false;
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp
index 3ed1045..f18c051 100644
--- a/llvm/lib/CodeGen/MachineScheduler.cpp
+++ b/llvm/lib/CodeGen/MachineScheduler.cpp
@@ -334,7 +334,7 @@ public:
     LiveIntervals &LIS;
   };
 
-  MachineSchedulerImpl() {}
+  MachineSchedulerImpl() = default;
   // Migration only
   void setLegacyPass(MachineFunctionPass *P) { this->P = P; }
   void setMFAM(MachineFunctionAnalysisManager *MFAM) { this->MFAM = MFAM; }
@@ -358,7 +358,7 @@ public:
     MachineLoopInfo &MLI;
     AAResults &AA;
   };
-  PostMachineSchedulerImpl() {}
+  PostMachineSchedulerImpl() = default;
   // Migration only
   void setLegacyPass(MachineFunctionPass *P) { this->P = P; }
   void setMFAM(MachineFunctionAnalysisManager *MFAM) { this->MFAM = MFAM; }
diff --git a/llvm/lib/CodeGen/RegAllocFast.cpp b/llvm/lib/CodeGen/RegAllocFast.cpp
index 697b779..ec6ffd4 100644
--- a/llvm/lib/CodeGen/RegAllocFast.cpp
+++ b/llvm/lib/CodeGen/RegAllocFast.cpp
@@ -206,7 +206,7 @@ private:
     bool Error = false;              ///< Could not allocate.
 
     explicit LiveReg(Register VirtReg) : VirtReg(VirtReg) {}
-    explicit LiveReg() {}
+    explicit LiveReg() = default;
 
     unsigned getSparseSetIndex() const { return VirtReg.virtRegIndex(); }
   };
diff --git a/llvm/lib/CodeGen/RegisterCoalescer.cpp b/llvm/lib/CodeGen/RegisterCoalescer.cpp
index e17a214b..38f6deb 100644
--- a/llvm/lib/CodeGen/RegisterCoalescer.cpp
+++ b/llvm/lib/CodeGen/RegisterCoalescer.cpp
@@ -378,7 +378,7 @@ class RegisterCoalescer : private LiveRangeEdit::Delegate {
 
 public:
   // For legacy pass only.
-  RegisterCoalescer() {}
+  RegisterCoalescer() = default;
   RegisterCoalescer &operator=(RegisterCoalescer &&Other) = default;
 
   RegisterCoalescer(LiveIntervals *LIS, SlotIndexes *SI,