[APInt] Replace calls to setBits with more specific calls to setBitsF…

…rom and setLowBits where possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301768 91177308-0d34-0410-b5e6-96231b3b80d8
Boscop · Apr 30, 2017 · c07d5e6 · c07d5e6
1 parent 78c3b9e
commit c07d5e6
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2516,7 +2516,7 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known,
     computeKnownBits(Op.getOperand(1), Known2, DemandedElts, Depth + 1);
     KnownZeroLow = std::min(KnownZeroLow,
                             Known2.Zero.countTrailingOnes());
-    Known.Zero.setBits(0, KnownZeroLow);
+    Known.Zero.setLowBits(KnownZeroLow);
     break;
   }
   case ISD::UADDO:

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
@@ -26701,11 +26701,11 @@ void X86TargetLowering::computeKnownBitsForTargetNode(const SDValue Op,
       break;
     LLVM_FALLTHROUGH;
   case X86ISD::SETCC:
-    Known.Zero.setBits(1, BitWidth);
+    Known.Zero.setBitsFrom(1);
     break;
   case X86ISD::MOVMSK: {
     unsigned NumLoBits = Op.getOperand(0).getValueType().getVectorNumElements();
-    Known.Zero.setBits(NumLoBits, BitWidth);
+    Known.Zero.setBitsFrom(NumLoBits);
     break;
   }
   case X86ISD::VSHLI:
@@ -26746,7 +26746,7 @@ void X86TargetLowering::computeKnownBitsForTargetNode(const SDValue Op,
     DAG.computeKnownBits(N0, Known, DemandedSrcElts, Depth + 1);
     Known.One = Known.One.zext(BitWidth);
     Known.Zero = Known.Zero.zext(BitWidth);
-    Known.Zero.setBits(InBitWidth, BitWidth);
+    Known.Zero.setBitsFrom(InBitWidth);
     break;
   }
   }