1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Vectorize/VPlan.h b/llvm/lib/Transforms/Vectorize/VPlan.h
index 4184e5248ae..b9a82d4d61b 100644
--- a/llvm/lib/Transforms/Vectorize/VPlan.h
+++ b/llvm/lib/Transforms/Vectorize/VPlan.h
@@ -55,6 +55,20 @@ class raw_ostream;
 class Value;
 class VPBasicBlock;
 class VPRegionBlock;
+class VPlan;
+
+/// A range of powers-of-2 vectorization factors with fixed start and
+/// adjustable end. The range includes start and excludes end, e.g.,:
+/// [1, 9) = {1, 2, 4, 8}
+struct VFRange {
+  // A power of 2.
+  const unsigned Start;
+
+  // Need not be a power of 2. If End <= Start range is empty.
+  unsigned End;
+};
+
+using VPlanPtr = std::unique_ptr<VPlan>;
 
 /// In what follows, the term "input IR" refers to code that is fed into the
 /// vectorizer whereas the term "output IR" refers to code that is generated by
@@ -1290,6 +1304,7 @@ public:
     To->removePredecessor(From);
   }
 };
+
 } // end namespace llvm
 
 #endif // LLVM_TRANSFORMS_VECTORIZE_VPLAN_H