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Add an accessor method to allow clients to test if a given expression

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is associated with a SCEV expansion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70556 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-05-01 17:08:34 +00:00
parent 9f2d671b15
commit b52e1c587f
1 changed files with 6 additions and 0 deletions
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6
include/llvm/Analysis/ScalarEvolutionExpander.h
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@@ -53,6 +53,12 @@ namespace llvm {
return InsertedValues.count(I); return InsertedValues.count(I);
} }
/// isInsertedExpression - Return true if the the code rewriter has a
/// Value* recorded for the given expression.
bool isInsertedExpression(const SCEV *S) const {
return InsertedExpressions.count(S);
}
/// getOrInsertCanonicalInductionVariable - This method returns the /// getOrInsertCanonicalInductionVariable - This method returns the
/// canonical induction variable of the specified type for the specified /// canonical induction variable of the specified type for the specified
/// loop (inserting one if there is none). A canonical induction variable /// loop (inserting one if there is none). A canonical induction variable