[llvm] [RISCV] RISCV vector calling convention (2/2) (PR #79096)

[Matt Arsenault via llvm-commits]

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@@ -20543,6 +20531,121 @@ unsigned RISCVTargetLowering::getMinimumJumpTableEntries() const {
   return Subtarget.getMinimumJumpTableEntries();
 }
 
+void RVVArgDispatcher::constructArgInfos(Type *Ty) {
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arsenm wrote:

What is a "vector tuple type"? The DAG doesn't seem to rely on a similar helper 

https://github.com/llvm/llvm-project/pull/79096