[llvm] [RISCV] Change vector tuple type's TypeSize to scalable (PR #114329)

[Craig Topper via llvm-commits]

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@@ -185,7 +185,8 @@ namespace llvm {
 
     /// Return true if the type is a scalable type.
     bool isScalableVT() const {
-      return isScalableVector() || isScalableTargetExtVT();
+      return isScalableVector() || isScalableTargetExtVT() ||
+             isRISCVVectorTuple();
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topperc wrote:

Should isRISCVVectorTuple() be part of isScalableTargetExtVT()?

https://github.com/llvm/llvm-project/pull/114329