[llvm] Remove redundant control flow (NFC) (#138304)

Author: kazutakahirata

llvm/lib/Analysis/KernelInfo.cpp

@@ -313,8 +313,6 @@ void KernelInfo::emitKernelInfo(Function &F, FunctionAnalysisManager &FAM,
   REMARK_PROPERTY(Invokes);
   REMARK_PROPERTY(FlatAddrspaceAccesses);
 #undef REMARK_PROPERTY
-
-  return;
 }
 
 PreservedAnalyses KernelInfoPrinter::run(Function &F,

llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp

@@ -3597,9 +3597,8 @@ void IRTranslator::translateDbgDeclareRecord(Value *Address, bool HasArgList,
   // A dbg.declare describes the address of a source variable, so lower it
   // into an indirect DBG_VALUE.
   MIRBuilder.setDebugLoc(DL);
-  MIRBuilder.buildIndirectDbgValue(getOrCreateVReg(*Address),
-                                   Variable, Expression);
-  return;
+  MIRBuilder.buildIndirectDbgValue(getOrCreateVReg(*Address), Variable,
+                                   Expression);
 }
 
 void IRTranslator::translateDbgInfo(const Instruction &Inst,

llvm/lib/CodeGen/PeepholeOptimizer.cpp

@@ -521,7 +521,7 @@ class PeepholeOptimizer : private MachineFunction::Delegate {
   DenseMap<RegSubRegPair, MachineInstr *> CopySrcMIs;
 
   // MachineFunction::Delegate implementation. Used to maintain CopySrcMIs.
-  void MF_HandleInsertion(MachineInstr &MI) override { return; }
+  void MF_HandleInsertion(MachineInstr &MI) override {}
 
   bool getCopySrc(MachineInstr &MI, RegSubRegPair &SrcPair) {
     if (!MI.isCopy())

llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp

@@ -1389,7 +1389,6 @@ void DWARFVerifier::verifyNameIndexBuckets(const DWARFDebugNames::NameIndex &NI,
     }
     NextUncovered = std::max(NextUncovered, Idx);
   }
-  return;
 }
 
 void DWARFVerifier::verifyNameIndexAttribute(
@@ -1469,7 +1468,6 @@ void DWARFVerifier::verifyNameIndexAttribute(
     });
     return;
   }
-  return;
 }
 
 void DWARFVerifier::verifyNameIndexAbbrevs(
@@ -2068,7 +2066,6 @@ void DWARFVerifier::verifyDebugNames(const DWARFSection &AccelSection,
       }
     }
   }
-  return;
 }
 
 bool DWARFVerifier::handleAccelTables() {

llvm/lib/IR/ConvergenceVerifier.cpp

@@ -34,9 +34,7 @@ auto GenericConvergenceVerifier<SSAContext>::getConvOp(const Instruction &I)
 
 template <>
 void GenericConvergenceVerifier<SSAContext>::checkConvergenceTokenProduced(
-    const Instruction &I) {
-  return;
-}
+    const Instruction &I) {}
 
 template <>
 const Instruction *

llvm/lib/Support/Mustache.cpp

@@ -707,7 +707,6 @@ void ASTNode::renderSectionLambdas(const json::Value &Contexts,
   Parser P = Parser(LambdaStr);
   AstPtr LambdaNode = P.parse(Partials, Lambdas, SectionLambdas, Escapes);
   LambdaNode->render(Contexts, OS);
-  return;
 }
 
 void Template::render(const json::Value &Data, llvm::raw_ostream &OS) {

llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp

@@ -5902,7 +5902,6 @@ static void ReplaceTcgen05Ld(SDNode *N, SelectionDAG &DAG,
   SDValue BuildVector = DAG.getNode(ISD::BUILD_VECTOR, DL, ResVT, ScalarRes);
   Results.push_back(BuildVector); // Build Vector
   Results.push_back(Chain);       // Chain
-  return;
 }
 
 static void ReplaceINTRINSIC_W_CHAIN(SDNode *N, SelectionDAG &DAG,

llvm/lib/Target/SPIRV/SPIRVPrepareFunctions.cpp

@@ -357,8 +357,6 @@ static void lowerExpectAssume(IntrinsicInst *II) {
   } else {
     llvm_unreachable("Unknown intrinsic");
   }
-
-  return;
 }
 
 static bool toSpvOverloadedIntrinsic(IntrinsicInst *II, Intrinsic::ID NewID,

llvm/lib/Transforms/Vectorize/VectorCombine.cpp

@@ -1295,7 +1295,6 @@ static void analyzeCostOfVecReduction(const IntrinsicInst &II,
   }
   CostAfterReduction = TTI.getArithmeticReductionCost(ReductionOpc, VecRedTy,
                                                       std::nullopt, CostKind);
-  return;
 }
 
 bool VectorCombine::foldBinopOfReductions(Instruction &I) {