[InstCombine] Make max size array combine a tunable.
Requested by Sanjoy/Hal a while ago, and forgotten by me
(r283612).
llvm-svn: 294323
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
index 092cc5e..bfa6964 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
@@ -508,6 +508,9 @@
return llvm::computeOverflowForUnsignedAdd(LHS, RHS, DL, &AC, CxtI, &DT);
}
+ /// Maximum size of array considered when transforming.
+ int MaxArraySizeForCombine;
+
private:
/// \brief Performs a few simplifications for operators which are associative
/// or commutative.