[llvm] 3f62028 - [X86] Use SelectionDAG::getAllOnesConstant to simplify some code. NFC

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2020-02-06T21:32:53-08:00
New Revision: 3f62028f2f3a904e608945147ebddc7051c0d6f9

URL: https://github.com/llvm/llvm-project/commit/3f62028f2f3a904e608945147ebddc7051c0d6f9
DIFF: https://github.com/llvm/llvm-project/commit/3f62028f2f3a904e608945147ebddc7051c0d6f9.diff

LOG: [X86] Use SelectionDAG::getAllOnesConstant to simplify some code. NFC

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86ISelLowering.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 280f6822997e..676c6be9191c 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -22023,9 +22023,8 @@ SDValue X86TargetLowering::LowerSETCCCARRY(SDValue Op, SelectionDAG &DAG) const
 
   // Recreate the carry if needed.
   EVT CarryVT = Carry.getValueType();
-  APInt NegOne = APInt::getAllOnesValue(CarryVT.getScalarSizeInBits());
   Carry = DAG.getNode(X86ISD::ADD, DL, DAG.getVTList(CarryVT, MVT::i32),
-                      Carry, DAG.getConstant(NegOne, DL, CarryVT));
+                      Carry, DAG.getAllOnesConstant(DL, CarryVT));
 
   SDVTList VTs = DAG.getVTList(LHS.getValueType(), MVT::i32);
   SDValue Cmp = DAG.getNode(X86ISD::SBB, DL, VTs, LHS, RHS, Carry.getValue(1));
@@ -28191,9 +28190,8 @@ static SDValue LowerADDSUBCARRY(SDValue Op, SelectionDAG &DAG) {
   // Set the carry flag.
   SDValue Carry = Op.getOperand(2);
   EVT CarryVT = Carry.getValueType();
-  APInt NegOne = APInt::getAllOnesValue(CarryVT.getScalarSizeInBits());
   Carry = DAG.getNode(X86ISD::ADD, DL, DAG.getVTList(CarryVT, MVT::i32),
-                      Carry, DAG.getConstant(NegOne, DL, CarryVT));
+                      Carry, DAG.getAllOnesConstant(DL, CarryVT));
 
   unsigned Opc = Op.getOpcode() == ISD::ADDCARRY ? X86ISD::ADC : X86ISD::SBB;
   SDValue Sum = DAG.getNode(Opc, DL, VTs, Op.getOperand(0),