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

is associated with a SCEV expansion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70556 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/include/llvm/Analysis/ScalarEvolutionExpander.h b/include/llvm/Analysis/ScalarEvolutionExpander.h
index 6290c40123..bb3183dafa 100644
--- a/include/llvm/Analysis/ScalarEvolutionExpander.h
+++ b/include/llvm/Analysis/ScalarEvolutionExpander.h
@@ -53,6 +53,12 @@ namespace llvm {
       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
     /// canonical induction variable of the specified type for the specified
     /// loop (inserting one if there is none).  A canonical induction variable