From c0f2700e0c7effc5da267bf501232ff4bfea63bc Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Wed, 19 Aug 2026 03:08:38 +0800
Subject: [RISCV][GlobalISel] Generate trap selection

---
 backend/lib/Target/RISCV/RISCVGISelControlFlow.rccdesc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'backend/lib/Target/RISCV/RISCVGISelControlFlow.rccdesc')

diff --git a/backend/lib/Target/RISCV/RISCVGISelControlFlow.rccdesc b/backend/lib/Target/RISCV/RISCVGISelControlFlow.rccdesc
index 21fd338..7f8b67c 100644
--- a/backend/lib/Target/RISCV/RISCVGISelControlFlow.rccdesc
+++ b/backend/lib/Target/RISCV/RISCVGISelControlFlow.rccdesc
@@ -1,6 +1,22 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 selection_rules:
+  -
+    id: select_g_trap
+    priority: 100
+    match:
+      opcode: G_TRAP
+    apply:
+      instructions:
+        - { opcode: UNIMP, root: true, operands: [] }
+  -
+    id: select_g_debugtrap
+    priority: 100
+    match:
+      opcode: G_DEBUGTRAP
+    apply:
+      instructions:
+        - { opcode: EBREAK, root: true, operands: [] }
   -
     id: select_g_brindirect
     priority: 100
-- 
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