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[SelectionDAG] SelectionDAGLegalize::ExpandBITREVERSE - ensure we use ShiftTy 

We should be using the getShiftAmountTy value type for shift amounts.

llvm-svn: 345756
This commit is contained in:
Simon Pilgrim 2018-10-31 18:14:14 +00:00
parent 8f81aed12d
commit 805cdcfe73
1 changed files with 6 additions and 6 deletions
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12
llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -2534,22 +2534,22 @@ SDValue SelectionDAGLegalize::ExpandBITREVERSE(SDValue Op, const SDLoc &dl) {
// swap i4: ((V & 0xF0) >> 4) | ((V & 0x0F) << 4)
Tmp2 = DAG.getNode(ISD::AND, dl, VT, Tmp, DAG.getConstant(MaskHi4, dl, VT));
Tmp3 = DAG.getNode(ISD::AND, dl, VT, Tmp, DAG.getConstant(MaskLo4, dl, VT));
Tmp2 = DAG.getNode(ISD::SRL, dl, VT, Tmp2, DAG.getConstant(4, dl, VT));
Tmp3 = DAG.getNode(ISD::SHL, dl, VT, Tmp3, DAG.getConstant(4, dl, VT));
Tmp2 = DAG.getNode(ISD::SRL, dl, VT, Tmp2, DAG.getConstant(4, dl, SHVT));
Tmp3 = DAG.getNode(ISD::SHL, dl, VT, Tmp3, DAG.getConstant(4, dl, SHVT));
Tmp = DAG.getNode(ISD::OR, dl, VT, Tmp2, Tmp3);
// swap i2: ((V & 0xCC) >> 2) | ((V & 0x33) << 2)
Tmp2 = DAG.getNode(ISD::AND, dl, VT, Tmp, DAG.getConstant(MaskHi2, dl, VT));
Tmp3 = DAG.getNode(ISD::AND, dl, VT, Tmp, DAG.getConstant(MaskLo2, dl, VT));
Tmp2 = DAG.getNode(ISD::SRL, dl, VT, Tmp2, DAG.getConstant(2, dl, VT));
Tmp3 = DAG.getNode(ISD::SHL, dl, VT, Tmp3, DAG.getConstant(2, dl, VT));
Tmp2 = DAG.getNode(ISD::SRL, dl, VT, Tmp2, DAG.getConstant(2, dl, SHVT));
Tmp3 = DAG.getNode(ISD::SHL, dl, VT, Tmp3, DAG.getConstant(2, dl, SHVT));
Tmp = DAG.getNode(ISD::OR, dl, VT, Tmp2, Tmp3);
// swap i1: ((V & 0xAA) >> 1) | ((V & 0x55) << 1)
Tmp2 = DAG.getNode(ISD::AND, dl, VT, Tmp, DAG.getConstant(MaskHi1, dl, VT));
Tmp3 = DAG.getNode(ISD::AND, dl, VT, Tmp, DAG.getConstant(MaskLo1, dl, VT));
Tmp2 = DAG.getNode(ISD::SRL, dl, VT, Tmp2, DAG.getConstant(1, dl, VT));
Tmp3 = DAG.getNode(ISD::SHL, dl, VT, Tmp3, DAG.getConstant(1, dl, VT));
Tmp2 = DAG.getNode(ISD::SRL, dl, VT, Tmp2, DAG.getConstant(1, dl, SHVT));
Tmp3 = DAG.getNode(ISD::SHL, dl, VT, Tmp3, DAG.getConstant(1, dl, SHVT));
Tmp = DAG.getNode(ISD::OR, dl, VT, Tmp2, Tmp3);
return Tmp;
}