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Fix Regression/CodeGen/Generic/2006-04-26-SetCCAnd.ll and

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PR748.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27987 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-27 05:01:07 +00:00
parent b9098653cb
commit a83385fb7b
1 changed files with 29 additions and 1 deletions
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30
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -232,7 +232,22 @@ ISD::CondCode ISD::getSetCCAndOperation(ISD::CondCode Op1, ISD::CondCode Op2,
return ISD::SETCC_INVALID;
// Combine all of the condition bits.
return ISD::CondCode(Op1 & Op2);
ISD::CondCode Result = ISD::CondCode(Op1 & Op2);
// Canonicalize illegal integer setcc's.
if (isInteger) {
switch (Result) {
default: break;
case ISD::SETUO: // e.g. SETUGT & SETULT
Result = ISD::SETFALSE;
break;
case ISD::SETUEQ: // e.g. SETUGE & SETULE
Result = ISD::SETEQ;
break;
}
}
return Result;
}
const TargetMachine &SelectionDAG::getTarget() const {
@ -849,6 +864,19 @@ SDOperand SelectionDAG::SimplifySetCC(MVT::ValueType VT, SDOperand N1,
case ISD::SETFALSE2: return getConstant(0, VT);
case ISD::SETTRUE:
case ISD::SETTRUE2: return getConstant(1, VT);
case ISD::SETOEQ:
case ISD::SETOGT:
case ISD::SETOGE:
case ISD::SETOLT:
case ISD::SETOLE:
case ISD::SETONE:
case ISD::SETO:
case ISD::SETUO:
case ISD::SETUEQ:
case ISD::SETUNE:
assert(!MVT::isInteger(N1.getValueType()) && "Illegal setcc for integer!");
break;
}
if (ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.Val)) {