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When bit-twiddling CondCode values for integer comparisons produces

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SETOEQ, is it does with (SETEQ & SETULE), map it to SETEQ.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51112 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-05-14 18:17:09 +00:00
parent 8ffe2e2156
commit d64a78c9ed
2 changed files with 25 additions and 0 deletions
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1
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@@ -293,6 +293,7 @@ ISD::CondCode ISD::getSetCCAndOperation(ISD::CondCode Op1, ISD::CondCode Op2,
switch (Result) {
default: break;
case ISD::SETUO : Result = ISD::SETFALSE; break; // SETUGT & SETULT
case ISD::SETOEQ: // SETEQ & SETU[LG]E
case ISD::SETUEQ: Result = ISD::SETEQ ; break; // SETUGE & SETULE
case ISD::SETOLT: Result = ISD::SETULT ; break; // SETULT & SETNE
case ISD::SETOGT: Result = ISD::SETUGT ; break; // SETUGT & SETNE