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Minor code micro-optimizations.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101141 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-04-13 16:49:23 +00:00
parent 2a7cb9d9ce
commit 3ab131243e
1 changed files with 7 additions and 7 deletions
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14
lib/Analysis/ScalarEvolution.cpp
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@ -1698,15 +1698,15 @@ const SCEV *ScalarEvolution::getMulExpr(SmallVectorImpl<const SCEV *> &Ops,
return getAddExpr(NewOps);
}
}
if (Ops.size() == 1)
return Ops[0];
}
// Skip over the add expression until we get to a multiply.
while (Idx < Ops.size() && Ops[Idx]->getSCEVType() < scMulExpr)
++Idx;
if (Ops.size() == 1)
return Ops[0];
// If there are mul operands inline them all into this expression.
if (Idx < Ops.size()) {
bool DeletedMul = false;
@ -2091,9 +2091,9 @@ ScalarEvolution::getSMaxExpr(SmallVectorImpl<const SCEV *> &Ops) {
// maximum-int.
return Ops[0];
}
}
if (Ops.size() == 1) return Ops[0];
if (Ops.size() == 1) return Ops[0];
}
// Find the first SMax
while (Idx < Ops.size() && Ops[Idx]->getSCEVType() < scSMaxExpr)
@ -2190,9 +2190,9 @@ ScalarEvolution::getUMaxExpr(SmallVectorImpl<const SCEV *> &Ops) {
// maximum-int.
return Ops[0];
}
}
if (Ops.size() == 1) return Ops[0];
if (Ops.size() == 1) return Ops[0];
}
// Find the first UMax
while (Idx < Ops.size() && Ops[Idx]->getSCEVType() < scUMaxExpr)