[llvm] [GitHub][RISCV] Restrict backend:RISC-V labelling to Clang and LLVM (PR #192429)

[Luke Lau via llvm-commits]

https://github.com/lukel97 created https://github.com/llvm/llvm-project/pull/192429

The auto-labeller currently assigns any PR that touches any file with RISCV in its path the backend:RISC-V. This means that if you're subscribed to that label you get a lot of notifications about other projects like LLDB, libc etc. which often add test cases for RISC-V. Whilst they have something to do with RISC-V they aren't specific to the RISC-V backend per se, and I'm not sure if RISC-V backend developers particularly need visibility on them.

Other backends like AArch64 and X86 only label PRs that touch LLVM or Clang. This PR proposes to change RISC-V to follow suit, and help reduce the number of non-backend relevant notifications.


>From b9b58fc1e7fbe45ed4968de62013e55fa4d8a243 Mon Sep 17 00:00:00 2001
From: Luke Lau <luke at igalia.com>
Date: Thu, 16 Apr 2026 10:18:17 +0100
Subject: [PATCH] [GitHub][RISCV] Restrict backend:RISC-V labelling to Clang
 and LLVM

The auto-labeller currently assigns any PR that touches any file with RISCV in its path the backend:RISC-V. This means that if you're subscribed to that label you get a lot of notifications about other projects like LLDB, libc etc. which often add test cases for RISC-V. Whilst they have something to do with RISC-V they aren't specific to the RISC-V backend per se, and I'm not sure if RISC-V backend developers particularly need visibility on them.

Other backends like AArch64 and X86 only label PRs that touch LLVM or Clang. This PR proposes to change RISC-V to follow suit, and help reduce the number of non-backend relevant notifications.
---
 .github/new-prs-labeler.yml | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/.github/new-prs-labeler.yml b/.github/new-prs-labeler.yml
index d8cba3bfa7272..ba664babbac4a 100644
--- a/.github/new-prs-labeler.yml
+++ b/.github/new-prs-labeler.yml
@@ -1084,10 +1084,14 @@ backend:MIPS:
 backend:RISC-V:
   - changed-files:
     - any-glob-to-any-file:
-      - '**/*riscv*'
-      - '**/*RISCV*'
-      - '**/*riscv*/**'
-      - '**/*RISCV*/**'
+      - 'llvm/**/*riscv*'
+      - 'llvm/**/*RISCV*'
+      - 'llvm/**/*riscv*/**'
+      - 'llvm/**/*RISCV*/**'
+      - 'clang/**/*riscv*'
+      - 'clang/**/*RISCV*'
+      - 'clang/**/*riscv*/**'
+      - 'clang/**/*RISCV*/**'
 
 backend:Xtensa:
   - changed-files: