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

[Matt Arsenault via llvm-commits]

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@@ -18743,17 +18732,16 @@ bool RISCVTargetLowering::CanLowerReturn(
   SmallVector<CCValAssign, 16> RVLocs;
   CCState CCInfo(CallConv, IsVarArg, MF, RVLocs, Context);
 
-  std::optional<unsigned> FirstMaskArgument;
-  if (Subtarget.hasVInstructions())
-    FirstMaskArgument = preAssignMask(Outs);
+  std::vector<Type *> TypeList = {MF.getFunction().getReturnType()};
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arsenm wrote:

Don't need vector?

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