[Hexagon] Enable interleaving in loop vectorizer

llvm-svn: 340447

2 files changed, 7 insertions, 2 deletions

diff --git a/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.cpp b/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.cpp
index a496a17788d..4d0e7dc52e8 100644
--- a/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.cpp
@@ -207,8 +207,10 @@ unsigned HexagonTTIImpl::getGatherScatterOpCost(unsigned Opcode, Type *DataTy,
 unsigned HexagonTTIImpl::getInterleavedMemoryOpCost(unsigned Opcode,
       Type *VecTy, unsigned Factor, ArrayRef<unsigned> Indices,
       unsigned Alignment, unsigned AddressSpace) {
-  return BaseT::getInterleavedMemoryOpCost(Opcode, VecTy, Factor, Indices,
-                                           Alignment, AddressSpace);
+  if (Indices.size() != Factor)
+    return BaseT::getInterleavedMemoryOpCost(Opcode, VecTy, Factor, Indices,
+                                             Alignment, AddressSpace);
+  return getMemoryOpCost(Opcode, VecTy, Alignment, AddressSpace, nullptr);
 }
 
 unsigned HexagonTTIImpl::getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
diff --git a/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h b/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h
index a232f99fc40..2c03cd268ff 100644
--- a/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h
+++ b/llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h
@@ -98,6 +98,9 @@ public:
   bool prefersVectorizedAddressing() {
     return false;
   }
+  bool enableInterleavedAccessVectorization() {
+    return true;
+  }
 
   unsigned getScalarizationOverhead(Type *Ty, bool Insert, bool Extract);
   unsigned getOperandsScalarizationOverhead(ArrayRef<const Value*> Args,