diff options
author | Jay Foad <jay.foad@gmail.com> | 2010-12-07 08:25:19 +0000 |
---|---|---|
committer | Jay Foad <jay.foad@gmail.com> | 2010-12-07 08:25:19 +0000 |
commit | 40f8f6264d5af2c38e797e0dc59827cd231e8ff7 (patch) | |
tree | 3f3b576d6ec060c4063e4630d1ac4fad94997d82 /lib/CodeGen/SelectionDAG/DAGCombiner.cpp | |
parent | 0ea112f104215ccba8d89c839cdeded6e3d49e59 (diff) | |
download | external_llvm-40f8f6264d5af2c38e797e0dc59827cd231e8ff7.zip external_llvm-40f8f6264d5af2c38e797e0dc59827cd231e8ff7.tar.gz external_llvm-40f8f6264d5af2c38e797e0dc59827cd231e8ff7.tar.bz2 |
PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and
zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121120 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 994dbd4..279452a 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -2133,7 +2133,7 @@ SDValue DAGCombiner::visitAND(SDNode *N) { if (N1C && N0.getOpcode() == ISD::ANY_EXTEND) { SDValue N0Op0 = N0.getOperand(0); APInt Mask = ~N1C->getAPIntValue(); - Mask.trunc(N0Op0.getValueSizeInBits()); + Mask = Mask.trunc(N0Op0.getValueSizeInBits()); if (DAG.MaskedValueIsZero(N0Op0, Mask)) { SDValue Zext = DAG.getNode(ISD::ZERO_EXTEND, N->getDebugLoc(), N0.getValueType(), N0Op0); @@ -2866,7 +2866,7 @@ SDValue DAGCombiner::visitSHL(SDNode *N) { EVT TruncVT = N1.getValueType(); SDValue N100 = N1.getOperand(0).getOperand(0); APInt TruncC = N101C->getAPIntValue(); - TruncC.trunc(TruncVT.getSizeInBits()); + TruncC = TruncC.trunc(TruncVT.getSizeInBits()); return DAG.getNode(ISD::SHL, N->getDebugLoc(), VT, N0, DAG.getNode(ISD::AND, N->getDebugLoc(), TruncVT, DAG.getNode(ISD::TRUNCATE, @@ -3022,7 +3022,7 @@ SDValue DAGCombiner::visitSRA(SDNode *N) { EVT TruncVT = N1.getValueType(); SDValue N100 = N1.getOperand(0).getOperand(0); APInt TruncC = N101C->getAPIntValue(); - TruncC.trunc(TruncVT.getScalarType().getSizeInBits()); + TruncC = TruncC.trunc(TruncVT.getScalarType().getSizeInBits()); return DAG.getNode(ISD::SRA, N->getDebugLoc(), VT, N0, DAG.getNode(ISD::AND, N->getDebugLoc(), TruncVT, @@ -3163,7 +3163,7 @@ SDValue DAGCombiner::visitSRL(SDNode *N) { EVT TruncVT = N1.getValueType(); SDValue N100 = N1.getOperand(0).getOperand(0); APInt TruncC = N101C->getAPIntValue(); - TruncC.trunc(TruncVT.getSizeInBits()); + TruncC = TruncC.trunc(TruncVT.getSizeInBits()); return DAG.getNode(ISD::SRL, N->getDebugLoc(), VT, N0, DAG.getNode(ISD::AND, N->getDebugLoc(), TruncVT, @@ -3706,7 +3706,7 @@ SDValue DAGCombiner::visitZERO_EXTEND(SDNode *N) { X = DAG.getNode(ISD::TRUNCATE, X.getDebugLoc(), VT, X); } APInt Mask = cast<ConstantSDNode>(N0.getOperand(1))->getAPIntValue(); - Mask.zext(VT.getSizeInBits()); + Mask = Mask.zext(VT.getSizeInBits()); return DAG.getNode(ISD::AND, N->getDebugLoc(), VT, X, DAG.getConstant(Mask, VT)); } @@ -3907,7 +3907,7 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) { X = DAG.getNode(ISD::TRUNCATE, N->getDebugLoc(), VT, X); } APInt Mask = cast<ConstantSDNode>(N0.getOperand(1))->getAPIntValue(); - Mask.zext(VT.getSizeInBits()); + Mask = Mask.zext(VT.getSizeInBits()); return DAG.getNode(ISD::AND, N->getDebugLoc(), VT, X, DAG.getConstant(Mask, VT)); } @@ -4614,7 +4614,7 @@ ConstantFoldBITCASTofBUILD_VECTOR(SDNode *BV, EVT DstEltVT) { if (Op.getOpcode() == ISD::UNDEF) continue; EltIsUndef = false; - NewBits |= APInt(cast<ConstantSDNode>(Op)->getAPIntValue()). + NewBits |= cast<ConstantSDNode>(Op)->getAPIntValue(). zextOrTrunc(SrcBitSize).zext(DstBitSize); } @@ -4644,13 +4644,13 @@ ConstantFoldBITCASTofBUILD_VECTOR(SDNode *BV, EVT DstEltVT) { continue; } - APInt OpVal = APInt(cast<ConstantSDNode>(BV->getOperand(i))-> - getAPIntValue()).zextOrTrunc(SrcBitSize); + APInt OpVal = cast<ConstantSDNode>(BV->getOperand(i))-> + getAPIntValue().zextOrTrunc(SrcBitSize); for (unsigned j = 0; j != NumOutputsPerInput; ++j) { - APInt ThisVal = APInt(OpVal).trunc(DstBitSize); + APInt ThisVal = OpVal.trunc(DstBitSize); Ops.push_back(DAG.getConstant(ThisVal, DstEltVT)); - if (isS2V && i == 0 && j == 0 && APInt(ThisVal).zext(SrcBitSize) == OpVal) + if (isS2V && i == 0 && j == 0 && ThisVal.zext(SrcBitSize) == OpVal) // Simply turn this into a SCALAR_TO_VECTOR of the new type. return DAG.getNode(ISD::SCALAR_TO_VECTOR, BV->getDebugLoc(), VT, Ops[0]); |