[clang] [RISCV][AArch64] Don't allow -mvscale-min/max options to be passed to the clang driver. (PR #68065)

[Craig Topper via cfe-commits]

https://github.com/topperc created https://github.com/llvm/llvm-project/pull/68065

The driver doesn't have code to pass these down to cc1. It just prints an unused option warning. Remove them from the driver.

>From b6be263a9b07425471f17e66b506bb805f29b8a0 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper at sifive.com>
Date: Mon, 2 Oct 2023 21:06:56 -0700
Subject: [PATCH] [RISCV][AArch64] Don't allow -mvscale-min/max options to be
 passed to the clang driver.

The driver doesn't have code to pass these down to cc1. It just
prints an unused option warning. Remove them from the driver.
---
 clang/include/clang/Driver/Options.td | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index ee4e23f335e7875..87159dd64dc7a7b 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -4563,13 +4563,11 @@ def msve_vector_bits_EQ : Joined<["-"], "msve-vector-bits=">, Group<m_aarch64_Fe
 } // let Flags = [TargetSpecific]
 
 def mvscale_min_EQ : Joined<["-"], "mvscale-min=">,
-  Group<m_aarch64_Features_Group>, Flags<[NoXarchOption]>,
-  Visibility<[ClangOption, CC1Option, FC1Option]>,
+  Visibility<[CC1Option, FC1Option]>,
   HelpText<"Specify the vscale minimum. Defaults to \"1\". (AArch64/RISC-V only)">,
   MarshallingInfoInt<LangOpts<"VScaleMin">>;
 def mvscale_max_EQ : Joined<["-"], "mvscale-max=">,
-  Group<m_aarch64_Features_Group>, Flags<[NoXarchOption]>,
-  Visibility<[ClangOption, CC1Option, FC1Option]>,
+  Visibility<[CC1Option, FC1Option]>,
   HelpText<"Specify the vscale maximum. Defaults to the"
            " vector length agnostic value of \"0\". (AArch64/RISC-V only)">,
   MarshallingInfoInt<LangOpts<"VScaleMax">>;