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SCEVComplexityCompare's new code was missing SCEVUDivExpr. Implement

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the SCEVUDivExpr case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71173 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-05-07 19:23:21 +00:00
parent 1978426a94
commit a6b35e201f
1 changed files with 14 additions and 0 deletions
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14
lib/Analysis/ScalarEvolution.cpp
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@ -502,6 +502,20 @@ namespace {
return LC->getNumOperands() < RC->getNumOperands();
}
// Lexicographically compare udiv expressions.
if (const SCEVUDivExpr *LC = dyn_cast<SCEVUDivExpr>(LHS)) {
const SCEVUDivExpr *RC = cast<SCEVUDivExpr>(RHS);
if (operator()(LC->getLHS(), RC->getLHS()))
return true;
if (operator()(RC->getLHS(), LC->getLHS()))
return false;
if (operator()(LC->getRHS(), RC->getRHS()))
return true;
if (operator()(RC->getRHS(), LC->getRHS()))
return false;
return false;
}
// Compare cast expressions by operand.
if (const SCEVCastExpr *LC = dyn_cast<SCEVCastExpr>(LHS)) {
const SCEVCastExpr *RC = cast<SCEVCastExpr>(RHS);