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Move SCEVNAryExpr's virtual member functions out of line, and convert

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them to iterators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111140 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-08-16 16:21:27 +00:00
parent bb85409b51
commit 2f199f9952
2 changed files with 36 additions and 22 deletions
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25
include/llvm/Analysis/ScalarEvolutionExpressions.h
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@ -208,33 +208,14 @@ namespace llvm {
op_iterator op_begin() const { return Operands; }
op_iterator op_end() const { return Operands + NumOperands; }
virtual bool isLoopInvariant(const Loop *L) const {
for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
if (!getOperand(i)->isLoopInvariant(L)) return false;
return true;
}
virtual bool isLoopInvariant(const Loop *L) const;
// hasComputableLoopEvolution - N-ary expressions have computable loop
// evolutions iff they have at least one operand that varies with the loop,
// but that all varying operands are computable.
virtual bool hasComputableLoopEvolution(const Loop *L) const {
bool HasVarying = false;
for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
if (!getOperand(i)->isLoopInvariant(L)) {
if (getOperand(i)->hasComputableLoopEvolution(L))
HasVarying = true;
else
return false;
}
return HasVarying;
}
virtual bool hasComputableLoopEvolution(const Loop *L) const;
virtual bool hasOperand(const SCEV *O) const {
for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
if (O == getOperand(i) || getOperand(i)->hasOperand(O))
return true;
return false;
}
virtual bool hasOperand(const SCEV *O) const;
bool dominates(BasicBlock *BB, DominatorTree *DT) const;