fixup! [RISCV] Change vector tuple type's TypeSize to scalable

Author: 4vtomat

llvm/include/llvm/CodeGen/ValueTypes.h

@@ -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();
     }
 
     /// Return true if this is a 16-bit vector type.

llvm/include/llvm/CodeGen/ValueTypes.td

@@ -63,7 +63,6 @@ class VTVecTup<int size, int nf, ValueType dummy_elt, int value>
   let NF = nf;
   let ElementType = dummy_elt;
   let isRISCVVecTuple = true;
-  let isScalable = true;
 }
 
 defset list<ValueType> ValueTypes = {

llvm/include/llvm/CodeGenTypes/MachineValueType.h

@@ -306,12 +306,14 @@ namespace llvm {
     /// be set and the runtime size will be a positive integer multiple of the
     /// base size.
     TypeSize getSizeInBits() const {
+      // clang-format off
       static constexpr TypeSize SizeTable[] = {
 #define GET_VT_ATTR(Ty, N, Sz, Any, Int, FP, Vec, Sc, Tup, NF, NElem, EltTy) \
-    TypeSize(Sz, Sc || Ty == aarch64svcount /* FIXME: Not in the td. */),
+    TypeSize(Sz, Sc || Tup || Ty == aarch64svcount /* FIXME: Not in the td. */),
 #include "llvm/CodeGen/GenVT.inc"
 #undef GET_VT_ATTR
       };
+      // clang-format on
 
       switch (SimpleTy) {
       case INVALID_SIMPLE_VALUE_TYPE: