From 61fe623a201dd2409a8b5df4d52bcaf323672c60 Mon Sep 17 00:00:00 2001
From: erjuan <fengting11@huawei.com>
Date: Mon, 11 Nov 2024 16:51:32 +0800
Subject: [PATCH] [Backport][RUST] Add accessors for MCSubtargetInfo CPU and
 Feature tables

Add accessors for MCSubtargetInfo CPU and Feature tables
This is needed for -C target-cpu=help and -C target-feature=help in rustc
Reference: https://github.com/rust-lang/llvm-project/commit/a8f170c5611585510033764926b0c40a6901d001

Signed-off-by: fengting <fengting11@huawei.com>
---
 llvm/include/llvm/MC/MCSubtargetInfo.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/llvm/include/llvm/MC/MCSubtargetInfo.h b/llvm/include/llvm/MC/MCSubtargetInfo.h
index e1f0a86141e3..1e529bf4fb31 100644
--- a/llvm/include/llvm/MC/MCSubtargetInfo.h
+++ b/llvm/include/llvm/MC/MCSubtargetInfo.h
@@ -230,6 +230,14 @@ public:
     return Found != ProcDesc.end() && StringRef(Found->Key) == CPU;
   }
 
+  ArrayRef<SubtargetSubTypeKV> getCPUTable() const {
+    return ProcDesc;
+  }
+
+  ArrayRef<SubtargetFeatureKV> getFeatureTable() const {
+    return ProcFeatures;
+  }
+
   virtual unsigned getHwMode() const { return 0; }
 
   /// Return the cache size in bytes for the given level of cache.
-- 
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