[llvm] [TableGen] Use "= default" (NFC) (PR #165968)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/165968

Identified with modernize-use-equals-default.


>From 0babcf5a5b5ff7074804562d4ede76da8ccd580f Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Wed, 29 Oct 2025 23:24:14 -0700
Subject: [PATCH] [TableGen] Use "= default" (NFC)

Identified with modernize-use-equals-default.
---
 llvm/utils/TableGen/Basic/RuntimeLibcallsEmitter.cpp      | 2 +-
 llvm/utils/TableGen/Basic/TargetFeaturesEmitter.h         | 2 +-
 llvm/utils/TableGen/Common/CodeGenTarget.cpp              | 2 +-
 llvm/utils/TableGen/Common/DAGISelMatcher.h               | 2 +-
 .../TableGen/Common/GlobalISel/GlobalISelMatchTable.cpp   | 8 ++++----
 .../TableGen/Common/GlobalISel/GlobalISelMatchTable.h     | 4 ++--
 llvm/utils/TableGen/FastISelEmitter.cpp                   | 2 +-
 llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp         | 2 +-
 llvm/utils/TableGen/X86DisassemblerTables.cpp             | 2 +-
 llvm/utils/TableGen/X86ModRMFilters.h                     | 2 +-
 10 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/llvm/utils/TableGen/Basic/RuntimeLibcallsEmitter.cpp b/llvm/utils/TableGen/Basic/RuntimeLibcallsEmitter.cpp
index ed802e20477d3..6a36f471678bf 100644
--- a/llvm/utils/TableGen/Basic/RuntimeLibcallsEmitter.cpp
+++ b/llvm/utils/TableGen/Basic/RuntimeLibcallsEmitter.cpp
@@ -154,7 +154,7 @@ class RuntimeLibcallImpl {
       Provides = ProvideMap.lookup(ProvidesDef);
   }
 
-  ~RuntimeLibcallImpl() {}
+  ~RuntimeLibcallImpl() = default;
 
   const Record *getDef() const { return TheDef; }
 
diff --git a/llvm/utils/TableGen/Basic/TargetFeaturesEmitter.h b/llvm/utils/TableGen/Basic/TargetFeaturesEmitter.h
index 99e4820c614c2..412f323d04821 100644
--- a/llvm/utils/TableGen/Basic/TargetFeaturesEmitter.h
+++ b/llvm/utils/TableGen/Basic/TargetFeaturesEmitter.h
@@ -43,7 +43,7 @@ class TargetFeaturesEmitter {
   void printFeatureKeyValues(raw_ostream &OS, const FeatureMapTy &FeatureMap);
   void printCPUKeyValues(raw_ostream &OS, const FeatureMapTy &FeatureMap);
   virtual void run(raw_ostream &O);
-  virtual ~TargetFeaturesEmitter() {};
+  virtual ~TargetFeaturesEmitter() = default;
 };
 } // namespace llvm
 #endif
diff --git a/llvm/utils/TableGen/Common/CodeGenTarget.cpp b/llvm/utils/TableGen/Common/CodeGenTarget.cpp
index 3db0d07eec88f..1e9378845854e 100644
--- a/llvm/utils/TableGen/Common/CodeGenTarget.cpp
+++ b/llvm/utils/TableGen/Common/CodeGenTarget.cpp
@@ -80,7 +80,7 @@ CodeGenTarget::CodeGenTarget(const RecordKeeper &records)
   MacroFusions = Records.getAllDerivedDefinitions("Fusion");
 }
 
-CodeGenTarget::~CodeGenTarget() {}
+CodeGenTarget::~CodeGenTarget() = default;
 
 StringRef CodeGenTarget::getName() const { return TargetRec->getName(); }
 
diff --git a/llvm/utils/TableGen/Common/DAGISelMatcher.h b/llvm/utils/TableGen/Common/DAGISelMatcher.h
index f87de757f4f8b..a19f4442f5f4d 100644
--- a/llvm/utils/TableGen/Common/DAGISelMatcher.h
+++ b/llvm/utils/TableGen/Common/DAGISelMatcher.h
@@ -105,7 +105,7 @@ class Matcher {
   Matcher(KindTy K) : Kind(K) {}
 
 public:
-  virtual ~Matcher() {}
+  virtual ~Matcher() = default;
 
   unsigned getSize() const { return Size; }
   void setSize(unsigned sz) { Size = sz; }
diff --git a/llvm/utils/TableGen/Common/GlobalISel/GlobalISelMatchTable.cpp b/llvm/utils/TableGen/Common/GlobalISel/GlobalISelMatchTable.cpp
index 5d49715879280..7af757c037612 100644
--- a/llvm/utils/TableGen/Common/GlobalISel/GlobalISelMatchTable.cpp
+++ b/llvm/utils/TableGen/Common/GlobalISel/GlobalISelMatchTable.cpp
@@ -457,7 +457,7 @@ std::optional<LLTCodeGen> llvm::gi::MVTToLLT(MVT::SimpleValueType SVT) {
 
 void Matcher::optimize() {}
 
-Matcher::~Matcher() {}
+Matcher::~Matcher() = default;
 
 //===- GroupMatcher -------------------------------------------------------===//
 
@@ -1150,11 +1150,11 @@ void RuleMatcher::insnmatchers_pop_front() { Matchers.erase(Matchers.begin()); }
 
 //===- PredicateMatcher ---------------------------------------------------===//
 
-PredicateMatcher::~PredicateMatcher() {}
+PredicateMatcher::~PredicateMatcher() = default;
 
 //===- OperandPredicateMatcher --------------------------------------------===//
 
-OperandPredicateMatcher::~OperandPredicateMatcher() {}
+OperandPredicateMatcher::~OperandPredicateMatcher() = default;
 
 bool OperandPredicateMatcher::isHigherPriorityThan(
     const OperandPredicateMatcher &B) const {
@@ -1941,7 +1941,7 @@ bool InstructionOperandMatcher::isHigherPriorityThan(
 
 //===- OperandRenderer ----------------------------------------------------===//
 
-OperandRenderer::~OperandRenderer() {}
+OperandRenderer::~OperandRenderer() = default;
 
 //===- CopyRenderer -------------------------------------------------------===//
 
diff --git a/llvm/utils/TableGen/Common/GlobalISel/GlobalISelMatchTable.h b/llvm/utils/TableGen/Common/GlobalISel/GlobalISelMatchTable.h
index 0f1241eb4d63f..fdcca1d3aa8c0 100644
--- a/llvm/utils/TableGen/Common/GlobalISel/GlobalISelMatchTable.h
+++ b/llvm/utils/TableGen/Common/GlobalISel/GlobalISelMatchTable.h
@@ -1375,7 +1375,7 @@ class InstructionPredicateMatcher : public PredicateMatcher {
 public:
   InstructionPredicateMatcher(PredicateKind Kind, unsigned InsnVarID)
       : PredicateMatcher(Kind, InsnVarID) {}
-  ~InstructionPredicateMatcher() override {}
+  ~InstructionPredicateMatcher() override = default;
 
   /// Compare the priority of this object and B.
   ///
@@ -2319,7 +2319,7 @@ class MatchAction {
 
   ActionKind getKind() const { return Kind; }
 
-  virtual ~MatchAction() {}
+  virtual ~MatchAction() = default;
 
   // Some actions may need to add extra predicates to ensure they can run.
   virtual void emitAdditionalPredicates(MatchTable &Table,
diff --git a/llvm/utils/TableGen/FastISelEmitter.cpp b/llvm/utils/TableGen/FastISelEmitter.cpp
index e0be104c883c5..c4dbb148c72c1 100644
--- a/llvm/utils/TableGen/FastISelEmitter.cpp
+++ b/llvm/utils/TableGen/FastISelEmitter.cpp
@@ -85,7 +85,7 @@ struct OperandsSignature {
     char Repr = OK_Invalid;
 
   public:
-    OpKind() {}
+    OpKind() = default;
 
     bool operator<(OpKind RHS) const { return Repr < RHS.Repr; }
     bool operator==(OpKind RHS) const { return Repr == RHS.Repr; }
diff --git a/llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp b/llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp
index 043bc6286146c..50e63a4bdc462 100644
--- a/llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp
+++ b/llvm/utils/TableGen/GlobalISelCombinerEmitter.cpp
@@ -2441,7 +2441,7 @@ class GICombinerEmitter final : public GlobalISelMatchTableExecutorEmitter {
   explicit GICombinerEmitter(const RecordKeeper &RK,
                              const CodeGenTarget &Target, StringRef Name,
                              const Record *Combiner);
-  ~GICombinerEmitter() override {}
+  ~GICombinerEmitter() override = default;
 
   void run(raw_ostream &OS);
 };
diff --git a/llvm/utils/TableGen/X86DisassemblerTables.cpp b/llvm/utils/TableGen/X86DisassemblerTables.cpp
index 3414190b9c9b4..b8c3c02a9eb3f 100644
--- a/llvm/utils/TableGen/X86DisassemblerTables.cpp
+++ b/llvm/utils/TableGen/X86DisassemblerTables.cpp
@@ -708,7 +708,7 @@ DisassemblerTables::DisassemblerTables() {
   HasConflicts = false;
 }
 
-DisassemblerTables::~DisassemblerTables() {}
+DisassemblerTables::~DisassemblerTables() = default;
 
 void DisassemblerTables::emitModRMDecision(raw_ostream &o1, raw_ostream &o2,
                                            unsigned &i1, unsigned &i2,
diff --git a/llvm/utils/TableGen/X86ModRMFilters.h b/llvm/utils/TableGen/X86ModRMFilters.h
index 7bf111ffa1d50..4eb57b0a4623b 100644
--- a/llvm/utils/TableGen/X86ModRMFilters.h
+++ b/llvm/utils/TableGen/X86ModRMFilters.h
@@ -28,7 +28,7 @@ class ModRMFilter {
 
 public:
   /// Destructor    - Override as necessary.
-  virtual ~ModRMFilter() {}
+  virtual ~ModRMFilter() = default;
 
   /// isDumb        - Indicates whether this filter returns the same value for
   ///                 any value of the ModR/M byte.