[SelectionDAG] Use getAllOnesConstant.

Author: topperc

llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

@@ -5042,7 +5042,8 @@ void SelectionDAGLegalize::ConvertNodeToLibcall(SDNode *Node) {
   case ISD::RESET_FPENV: {
     // It is legalized to call 'fesetenv(FE_DFL_ENV)'. On most targets
     // FE_DFL_ENV is defined as '((const fenv_t *) -1)' in glibc.
-    SDValue Ptr = DAG.getIntPtrConstant(-1LL, dl);
+    EVT PtrTy = TLI.getPointerTy(DAG.getDataLayout());
+    SDValue Ptr = DAG.getAllOnesConstant(dl, PtrTy);
     SDValue Chain = Node->getOperand(0);
     Results.push_back(
         DAG.makeStateFunctionCall(RTLIB::FESETENV, Ptr, Chain, dl));
@@ -5097,7 +5098,7 @@ void SelectionDAGLegalize::ConvertNodeToLibcall(SDNode *Node) {
     // target must provide custom lowering.
     const DataLayout &DL = DAG.getDataLayout();
     EVT PtrTy = TLI.getPointerTy(DL);
-    SDValue Mode = DAG.getConstant(-1LL, dl, PtrTy);
+    SDValue Mode = DAG.getAllOnesConstant(dl, PtrTy);
     Results.push_back(DAG.makeStateFunctionCall(RTLIB::FESETMODE, Mode,
                                                 Node->getOperand(0), dl));
     break;

llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp

@@ -10658,7 +10658,7 @@ SDValue TargetLowering::expandCMP(SDNode *Node, SelectionDAG &DAG) const {
     SDValue SelectZeroOrOne =
         DAG.getSelect(dl, ResVT, IsGT, DAG.getConstant(1, dl, ResVT),
                       DAG.getConstant(0, dl, ResVT));
-    return DAG.getSelect(dl, ResVT, IsLT, DAG.getConstant(-1, dl, ResVT),
+    return DAG.getSelect(dl, ResVT, IsLT, DAG.getAllOnesConstant(dl, ResVT),
                          SelectZeroOrOne);
   }