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

[Brandon Wu via llvm-commits]

================
@@ -17839,9 +17823,13 @@ void RISCVTargetLowering::analyzeOutputArgs(
     CallLoweringInfo *CLI, RISCVCCAssignFn Fn) const {
   unsigned NumArgs = Outs.size();
 
-  std::optional<unsigned> FirstMaskArgument;
-  if (Subtarget.hasVInstructions())
-    FirstMaskArgument = preAssignMask(Outs);
+  std::vector<Type *> TypeList;
+  if (IsRet)
+    TypeList.push_back(MF.getFunction().getReturnType());
+  else if (CLI)
----------------
4vtomat wrote:

As [LLVM Coding Standards](https://llvm.org/docs/CodingStandards.html#don-t-use-braces-on-simple-single-statement-bodies-of-if-else-loop-statements) mentioned, the `else if` and `for` both contain only 1 statement and without comments, we don't need braces for it, do we?

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