[APInt] Use ashInPlace where possible.

llvm-svn: 301101

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 523f409..cdff32b 100644 (file)
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -4160,7 +4160,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
     auto SignExtendInReg = [&](APInt Val, llvm::EVT ConstantVT) {
       unsigned FromBits = EVT.getScalarSizeInBits();
       Val <<= Val.getBitWidth() - FromBits;
-      Val = Val.ashr(Val.getBitWidth() - FromBits);
+      Val.ashrInPlace(Val.getBitWidth() - FromBits);
       return getConstant(Val, DL, ConstantVT);
     };
 

diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 069fb5b..ac3934d 100644 (file)
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -2981,7 +2981,7 @@ static SDValue BuildExactSDIV(const TargetLowering &TLI, SDValue Op1, APInt d,
     Flags.setExact(true);
     Op1 = DAG.getNode(ISD::SRA, dl, Op1.getValueType(), Op1, Amt, &Flags);
     Created.push_back(Op1.getNode());
-    d = d.ashr(ShAmt);
+    d.ashrInPlace(ShAmt);
   }
 
   // Calculate the multiplicative inverse, using Newton's method.

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index e3de304..a664cb1 100644 (file)
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -31265,9 +31265,9 @@ static SDValue combineVectorShiftImm(SDNode *N, SelectionDAG &DAG,
     unsigned ShiftImm = ShiftVal.getZExtValue();
     for (APInt &Elt : EltBits) {
       if (X86ISD::VSHLI == Opcode)
-        Elt = Elt.shl(ShiftImm);
+        Elt <<= ShiftImm;
       else if (X86ISD::VSRAI == Opcode)
-        Elt = Elt.ashr(ShiftImm);
+        Elt.ashrInPlace(ShiftImm);
       else
         Elt.lshrInPlace(ShiftImm);
     }