[llvm] [IR][RISCV] Add llvm.vector.(de)interleave3/5/7 (PR #124825)

[Craig Topper via llvm-commits]

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@@ -931,6 +955,16 @@ matchIntrinsicType(Type *Ty, ArrayRef<Intrinsic::IITDescriptor> &Infos,
     return !isa<VectorType>(ArgTys[D.getArgumentNumber()]) ||
            VectorType::getHalfElementsVectorType(
                cast<VectorType>(ArgTys[D.getArgumentNumber()])) != Ty;
+  case IITDescriptor::OneThirdVecArgument:
+  case IITDescriptor::OneFifthVecArgument:
+  case IITDescriptor::OneSeventhVecArgument:
+    // If this is a forward reference, defer the check for later.
+    if (D.getArgumentNumber() >= ArgTys.size())
+      return IsDeferredCheck || DeferCheck(Ty);
+    return !isa<VectorType>(ArgTys[D.getArgumentNumber()]) ||
+           VectorType::getOneNthElementsVectorType(
+               cast<VectorType>(ArgTys[D.getArgumentNumber()]),
+               3 + (D.Kind - IITDescriptor::OneThirdVecArgument) * 2) != Ty;
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topperc wrote:

Same

https://github.com/llvm/llvm-project/pull/124825