[clang] [llvm] [RISCV][VLS] Support RISCV VLS calling convention (PR #100346)

[Craig Topper via cfe-commits]

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@@ -726,7 +713,11 @@ ABIArgInfo RISCVABIInfo::classifyArgumentType(QualType Ty, bool IsFixed,
     return ABIArgInfo::getDirect();
   }
 
-  if (const VectorType *VT = Ty->getAs<VectorType>()) {
+  // TODO: _BitInt is not handled yet in VLS calling convention since _BitInt
+  // ABI is also not merged yet in RISCV:
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topperc wrote:

RISCV -> RISC-V

https://github.com/llvm/llvm-project/pull/100346