[RISCV] Use early-return in lowerInterleaveIntrinsicToStore [nfc]

Author: preames

llvm/lib/Target/RISCV/RISCVInterleavedAccess.cpp

@@ -341,34 +341,32 @@ bool RISCVTargetLowering::lowerInterleaveIntrinsicToStore(
     Ops.append({SI->getPointerOperand(), Mask, VL});
 
     Builder.CreateCall(VssegNFunc, Ops);
-  } else {
-    unsigned SEW = DL.getTypeSizeInBits(InVTy->getElementType());
-    unsigned NumElts = InVTy->getElementCount().getKnownMinValue();
-    Type *VecTupTy = TargetExtType::get(
-        SI->getContext(), "riscv.vector.tuple",
-        ScalableVectorType::get(Type::getInt8Ty(SI->getContext()),
-                                NumElts * SEW / 8),
-        Factor);
-
-    Value *VL = Constant::getAllOnesValue(XLenTy);
-    Value *Mask = Builder.getAllOnesMask(InVTy->getElementCount());
-
-    Value *StoredVal = PoisonValue::get(VecTupTy);
-    for (unsigned i = 0; i < Factor; ++i)
-      StoredVal = Builder.CreateIntrinsic(
-          Intrinsic::riscv_tuple_insert, {VecTupTy, InVTy},
-          {StoredVal, InterleaveValues[i], Builder.getInt32(i)});
+    return true;
+  }
+  unsigned SEW = DL.getTypeSizeInBits(InVTy->getElementType());
+  unsigned NumElts = InVTy->getElementCount().getKnownMinValue();
+  Type *VecTupTy = TargetExtType::get(
+      SI->getContext(), "riscv.vector.tuple",
+      ScalableVectorType::get(Type::getInt8Ty(SI->getContext()),
+                              NumElts * SEW / 8),
+      Factor);
 
-    Function *VssegNFunc = Intrinsic::getOrInsertDeclaration(
-        SI->getModule(), ScalableVssegIntrIds[Factor - 2],
-        {VecTupTy, PtrTy, Mask->getType(), VL->getType()});
+  Value *VL = Constant::getAllOnesValue(XLenTy);
+  Value *Mask = Builder.getAllOnesMask(InVTy->getElementCount());
 
-    Value *Operands[] = {StoredVal, SI->getPointerOperand(), Mask, VL,
-                         ConstantInt::get(XLenTy, Log2_64(SEW))};
+  Value *StoredVal = PoisonValue::get(VecTupTy);
+  for (unsigned i = 0; i < Factor; ++i)
+    StoredVal = Builder.CreateIntrinsic(
+        Intrinsic::riscv_tuple_insert, {VecTupTy, InVTy},
+        {StoredVal, InterleaveValues[i], Builder.getInt32(i)});
 
-    Builder.CreateCall(VssegNFunc, Operands);
-  }
+  Function *VssegNFunc = Intrinsic::getOrInsertDeclaration(
+      SI->getModule(), ScalableVssegIntrIds[Factor - 2],
+      {VecTupTy, PtrTy, Mask->getType(), VL->getType()});
 
+  Value *Operands[] = {StoredVal, SI->getPointerOperand(), Mask, VL,
+                       ConstantInt::get(XLenTy, Log2_64(SEW))};
+  Builder.CreateCall(VssegNFunc, Operands);
   return true;
 }