1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/VectorUtils.cpp b/llvm/lib/Analysis/VectorUtils.cpp
index 968fd2f..63fccee 100644
--- a/llvm/lib/Analysis/VectorUtils.cpp
+++ b/llvm/lib/Analysis/VectorUtils.cpp
@@ -240,6 +240,30 @@ Intrinsic::ID llvm::getVectorIntrinsicIDForCall(const CallInst *CI,
   return Intrinsic::not_intrinsic;
 }
 
+struct InterleaveIntrinsic {
+  Intrinsic::ID Interleave, Deinterleave;
+};
+
+static InterleaveIntrinsic InterleaveIntrinsics[] = {
+    {Intrinsic::vector_interleave2, Intrinsic::vector_deinterleave2},
+    {Intrinsic::vector_interleave3, Intrinsic::vector_deinterleave3},
+    {Intrinsic::vector_interleave4, Intrinsic::vector_deinterleave4},
+    {Intrinsic::vector_interleave5, Intrinsic::vector_deinterleave5},
+    {Intrinsic::vector_interleave6, Intrinsic::vector_deinterleave6},
+    {Intrinsic::vector_interleave7, Intrinsic::vector_deinterleave7},
+    {Intrinsic::vector_interleave8, Intrinsic::vector_deinterleave8},
+};
+
+Intrinsic::ID llvm::getInterleaveIntrinsicID(unsigned Factor) {
+  assert(Factor >= 2 && Factor <= 8 && "Unexpected factor");
+  return InterleaveIntrinsics[Factor - 2].Interleave;
+}
+
+Intrinsic::ID llvm::getDeinterleaveIntrinsicID(unsigned Factor) {
+  assert(Factor >= 2 && Factor <= 8 && "Unexpected factor");
+  return InterleaveIntrinsics[Factor - 2].Deinterleave;
+}
+
 /// Given a vector and an element number, see if the scalar value is
 /// already around as a register, for example if it were inserted then extracted
 /// from the vector.