address comment

Author: diggerlin

llvm/include/llvm/CodeGen/SelectionDAG.h

@@ -1130,8 +1130,8 @@ class SelectionDAG {
     return getNode(ISD::UNDEF, SDLoc(), VT);
   }
 
-  /// Return an POISON node. POISON does not have a useful SDLoc.
-  SDValue getPoison(EVT VT) { return getNode(ISD::POISON, SDLoc(), VT); }
+  /// Return a POISON node. POISON does not have a useful SDLoc.
+  SDValue getPOISON(EVT VT) { return getNode(ISD::POISON, SDLoc(), VT); }
 
   /// Return a node that represents the runtime scaling 'MulImm * RuntimeVL'.
   SDValue getVScale(const SDLoc &DL, EVT VT, APInt MulImm,

llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

@@ -984,7 +984,7 @@ void SelectionDAGLegalize::LegalizeOp(SDNode *Node) {
   // Additionally, many existing test cases rely on the current behavior (e.g.,
   // llvm/test/CodeGen/PowerPC/vec_shuffle.ll). A broader discussion and
   // incremental changes might be needed to properly
-  //  support POISON without breaking existing targets and tests.
+  // support POISON without breaking existing targets and tests.
   case ISD::POISON: {
     SDValue UndefNode = DAG.getUNDEF(Node->getValueType(0));
     ReplaceNode(Node, UndefNode.getNode());

llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

@@ -9203,7 +9203,6 @@ SDValue SelectionDAG::getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType,
 
   SDVTList VTs = Indexed ?
     getVTList(VT, Ptr.getValueType(), MVT::Other) : getVTList(VT, MVT::Other);
-
   SDValue Ops[] = { Chain, Ptr, Offset };
   FoldingSetNodeID ID;
   AddNodeIDNode(ID, ISD::LOAD, VTs, Ops);

llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

@@ -1817,7 +1817,7 @@ SDValue SelectionDAGBuilder::getValueImpl(const Value *V) {
       return DAG.getConstantFP(*CFP, getCurSDLoc(), VT);
 
     if (isa<UndefValue>(C) && !V->getType()->isAggregateType())
-      return isa<PoisonValue>(C) ? DAG.getPoison(VT) : DAG.getUNDEF(VT);
+      return isa<PoisonValue>(C) ? DAG.getPOISON(VT) : DAG.getUNDEF(VT);
 
     if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
       visit(CE->getOpcode(), *CE);