[llvm] Remove redundant member initialization (NFC)

Identified with readability-redundant-member-init.

Author: kazutakahirata

llvm/include/llvm/ADT/Triple.h

@@ -271,9 +271,7 @@ class Triple {
 
   /// Default constructor is the same as an empty string and leaves all
   /// triple fields unknown.
-  Triple()
-      : Data(), Arch(), SubArch(), Vendor(), OS(), Environment(),
-        ObjectFormat() {}
+  Triple() : Arch(), SubArch(), Vendor(), OS(), Environment(), ObjectFormat() {}
 
   explicit Triple(const Twine &Str);
   Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr);

llvm/include/llvm/Analysis/BasicAliasAnalysis.h

@@ -58,7 +58,7 @@ class BasicAAResult : public AAResultBase<BasicAAResult> {
   BasicAAResult(const DataLayout &DL, const Function &F,
                 const TargetLibraryInfo &TLI, AssumptionCache &AC,
                 DominatorTree *DT = nullptr, PhiValues *PV = nullptr)
-      : AAResultBase(), DL(DL), F(F), TLI(TLI), AC(AC), DT(DT), PV(PV) {}
+      : DL(DL), F(F), TLI(TLI), AC(AC), DT(DT), PV(PV) {}
 
   BasicAAResult(const BasicAAResult &Arg)
       : AAResultBase(Arg), DL(Arg.DL), F(Arg.F), TLI(Arg.TLI), AC(Arg.AC),

llvm/include/llvm/Analysis/DDG.h

@@ -52,7 +52,7 @@ class DDGNode : public DDGNodeBase {
   };
 
   DDGNode() = delete;
-  DDGNode(const NodeKind K) : DDGNodeBase(), Kind(K) {}
+  DDGNode(const NodeKind K) : Kind(K) {}
   DDGNode(const DDGNode &N) : DDGNodeBase(N), Kind(N.Kind) {}
   DDGNode(DDGNode &&N) : DDGNodeBase(std::move(N)), Kind(N.Kind) {}
   virtual ~DDGNode() = 0;

llvm/include/llvm/Analysis/LazyCallGraph.h

@@ -1190,7 +1190,7 @@ class LazyCallGraph {
   }
 };
 
-inline LazyCallGraph::Edge::Edge() : Value() {}
+inline LazyCallGraph::Edge::Edge() {}
 inline LazyCallGraph::Edge::Edge(Node &N, Kind K) : Value(&N, K) {}
 
 inline LazyCallGraph::Edge::operator bool() const {

llvm/include/llvm/Analysis/MemoryLocation.h

@@ -284,8 +284,7 @@ class MemoryLocation {
     return T.isScalable() ? UnknownSize : T.getFixedSize();
   }
 
-  MemoryLocation()
-      : Ptr(nullptr), Size(LocationSize::beforeOrAfterPointer()), AATags() {}
+  MemoryLocation() : Ptr(nullptr), Size(LocationSize::beforeOrAfterPointer()) {}
 
   explicit MemoryLocation(const Value *Ptr, LocationSize Size,
                           const AAMDNodes &AATags = AAMDNodes())

llvm/include/llvm/Analysis/ObjCARCAliasAnalysis.h

@@ -40,7 +40,7 @@ class ObjCARCAAResult : public AAResultBase<ObjCARCAAResult> {
   const DataLayout &DL;
 
 public:
-  explicit ObjCARCAAResult(const DataLayout &DL) : AAResultBase(), DL(DL) {}
+  explicit ObjCARCAAResult(const DataLayout &DL) : DL(DL) {}
   ObjCARCAAResult(ObjCARCAAResult &&Arg)
       : AAResultBase(std::move(Arg)), DL(Arg.DL) {}
 

llvm/include/llvm/Analysis/ScalarEvolutionAliasAnalysis.h

@@ -27,7 +27,7 @@ class SCEVAAResult : public AAResultBase<SCEVAAResult> {
   ScalarEvolution &SE;
 
 public:
-  explicit SCEVAAResult(ScalarEvolution &SE) : AAResultBase(), SE(SE) {}
+  explicit SCEVAAResult(ScalarEvolution &SE) : SE(SE) {}
   SCEVAAResult(SCEVAAResult &&Arg) : AAResultBase(std::move(Arg)), SE(Arg.SE) {}
 
   AliasResult alias(const MemoryLocation &LocA, const MemoryLocation &LocB,

llvm/include/llvm/CodeGen/CodeGenPassBuilder.h

@@ -159,7 +159,7 @@ template <typename DerivedT> class CodeGenPassBuilder {
   class AddIRPass {
   public:
     AddIRPass(ModulePassManager &MPM, bool DebugPM, bool Check = true)
-        : MPM(MPM), FPM() {
+        : MPM(MPM) {
       if (Check)
         AddingFunctionPasses = false;
     }

llvm/include/llvm/CodeGen/GlobalISel/CallLowering.h

@@ -95,7 +95,7 @@ class CallLowering {
             bool IsFixed = true)
       : ArgInfo(Regs, OrigValue.getType(), OrigIndex, Flags, IsFixed, &OrigValue) {}
 
-    ArgInfo() : BaseArgInfo() {}
+    ArgInfo() {}
   };
 
   struct CallLoweringInfo {

llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h

@@ -556,7 +556,7 @@ class LegalizeRuleSet {
   }
 
 public:
-  LegalizeRuleSet() : AliasOf(0), IsAliasedByAnother(false), Rules() {}
+  LegalizeRuleSet() : AliasOf(0), IsAliasedByAnother(false) {}
 
   bool isAliasedByAnother() { return IsAliasedByAnother; }
   void setIsAliasedByAnother() { IsAliasedByAnother = true; }