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

Vector tuple is basically multiple grouped vector, so its size is also
determined by vscale, we need not to model it as a vector type but its
size need to be scalable.

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/ValueTypes.cpp b/llvm/lib/CodeGen/ValueTypes.cpp
index e3c746b274dd..2c80eee7c904 100644
--- a/llvm/lib/CodeGen/ValueTypes.cpp
+++ b/llvm/lib/CodeGen/ValueTypes.cpp
@@ -163,7 +163,7 @@ std::string EVT::getEVTString() const {
   switch (V.SimpleTy) {
   default:
     if (isRISCVVectorTuple()) {
-      unsigned Sz = getSizeInBits();
+      unsigned Sz = getSizeInBits().getKnownMinValue();
       unsigned NF = getRISCVVectorTupleNumFields();
       unsigned MinNumElts = Sz / (NF * 8);
       return "riscv_nxv" + utostr(MinNumElts) + "i8x" + utostr(NF);