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For PR1297:

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Adjust for changes in the bit counting intrinsics. They all return i32
now so we have to trunc/zext the DAG node accordingly.

llvm-svn: 35546
This commit is contained in:
Reid Spencer 2007-04-01 07:34:11 +00:00
parent 77c46f6cf5
commit 4a28a16efb
1 changed files with 31 additions and 24 deletions
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55
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -2328,37 +2328,44 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
DAG.setRoot(Tmp.getValue(1));
return 0;
}
case Intrinsic::bswap_i16:
case Intrinsic::bswap_i32:
case Intrinsic::bswap_i64:
case Intrinsic::bswap:
setValue(&I, DAG.getNode(ISD::BSWAP,
getValue(I.getOperand(1)).getValueType(),
getValue(I.getOperand(1))));
return 0;
case Intrinsic::cttz_i8:
case Intrinsic::cttz_i16:
case Intrinsic::cttz_i32:
case Intrinsic::cttz_i64:
setValue(&I, DAG.getNode(ISD::CTTZ,
getValue(I.getOperand(1)).getValueType(),
getValue(I.getOperand(1))));
case Intrinsic::cttz: {
SDOperand Arg = getValue(I.getOperand(1));
MVT::ValueType Ty = Arg.getValueType();
SDOperand result = DAG.getNode(ISD::CTTZ, Ty, Arg);
if (Ty < MVT::i32)
result = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, result);
else if (Ty > MVT::i32)
result = DAG.getNode(ISD::TRUNCATE, MVT::i32, result);
setValue(&I, result);
return 0;
case Intrinsic::ctlz_i8:
case Intrinsic::ctlz_i16:
case Intrinsic::ctlz_i32:
case Intrinsic::ctlz_i64:
setValue(&I, DAG.getNode(ISD::CTLZ,
getValue(I.getOperand(1)).getValueType(),
getValue(I.getOperand(1))));
}
case Intrinsic::ctlz: {
SDOperand Arg = getValue(I.getOperand(1));
MVT::ValueType Ty = Arg.getValueType();
SDOperand result = DAG.getNode(ISD::CTLZ, Ty, Arg);
if (Ty < MVT::i32)
result = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, result);
else if (Ty > MVT::i32)
result = DAG.getNode(ISD::TRUNCATE, MVT::i32, result);
setValue(&I, result);
return 0;
case Intrinsic::ctpop_i8:
case Intrinsic::ctpop_i16:
case Intrinsic::ctpop_i32:
case Intrinsic::ctpop_i64:
setValue(&I, DAG.getNode(ISD::CTPOP,
getValue(I.getOperand(1)).getValueType(),
getValue(I.getOperand(1))));
}
case Intrinsic::ctpop: {
SDOperand Arg = getValue(I.getOperand(1));
MVT::ValueType Ty = Arg.getValueType();
SDOperand result = DAG.getNode(ISD::CTPOP, Ty, Arg);
if (Ty < MVT::i32)
result = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, result);
else if (Ty > MVT::i32)
result = DAG.getNode(ISD::TRUNCATE, MVT::i32, result);
setValue(&I, result);
return 0;
}
case Intrinsic::stacksave: {
SDOperand Op = getRoot();
SDOperand Tmp = DAG.getNode(ISD::STACKSAVE,