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Compile:

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%tmp152 = setgt uint %tmp144, %tmp149           ; <bool> [#uses=1]
        %tmp159 = setlt uint %tmp144, %tmp149           ; <bool> [#uses=1]
        %bothcond2 = or bool %tmp152, %tmp159           ; <bool> [#uses=1]

To setne, not setune, which causes an assertion fault.

llvm-svn: 28244
This commit is contained in:
Chris Lattner 2006-05-12 17:03:46 +00:00
parent bcd2c4f32d
commit db5b91f6a8
1 changed files with 6 additions and 1 deletions
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7
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -217,7 +217,12 @@ ISD::CondCode ISD::getSetCCOrOperation(ISD::CondCode Op1, ISD::CondCode Op2,
// If the N and U bits get set then the resultant comparison DOES suddenly
// care about orderedness, and is true when ordered.
if (Op > ISD::SETTRUE2)
Op &= ~16; // Clear the N bit.
Op &= ~16; // Clear the U bit if the N bit is set.
// Canonicalize illegal integer setcc's.
if (isInteger && Op == ISD::SETUNE) // e.g. SETUGT | SETULT
Op = ISD::SETNE;
return ISD::CondCode(Op);
}