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Add support for FP->INT conversions and back.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19369 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-01-08 08:08:56 +00:00
parent 1645ed0b93
commit ae0aacb833
3 changed files with 42 additions and 17 deletions
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lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+11
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@@ -396,6 +396,8 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
case ISD::SIGN_EXTEND: return getConstant(C->getSignExtended(), VT);
case ISD::ZERO_EXTEND: return getConstant(Val, VT);
case ISD::TRUNCATE: return getConstant(Val, VT);
case ISD::SINT_TO_FP: return getConstantFP(C->getSignExtended(), VT);
case ISD::UINT_TO_FP: return getConstantFP(C->getValue(), VT);
}
}
@@ -404,6 +406,10 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
case ISD::FP_ROUND:
case ISD::FP_EXTEND:
return getConstantFP(C->getValue(), VT);
case ISD::FP_TO_SINT:
return getConstant((int64_t)C->getValue(), VT);
case ISD::FP_TO_UINT:
return getConstant((uint64_t)C->getValue(), VT);
}
unsigned OpOpcode = Operand.Val->getOpcode();
@@ -821,6 +827,11 @@ void SDNode::dump() const {
case ISD::FP_ROUND: std::cerr << "fp_round"; break;
case ISD::FP_EXTEND: std::cerr << "fp_extend"; break;
case ISD::SINT_TO_FP: std::cerr << "sint_to_fp"; break;
case ISD::UINT_TO_FP: std::cerr << "uint_to_fp"; break;
case ISD::FP_TO_SINT: std::cerr << "fp_to_sint"; break;
case ISD::FP_TO_UINT: std::cerr << "fp_to_uint"; break;
// Control flow instructions
case ISD::BR: std::cerr << "br"; break;
case ISD::BRCOND: std::cerr << "brcond"; break;