From 898b8a42b5fde2738da46ec9f5b427693bc681a1 Mon Sep 17 00:00:00 2001
From: Zaara Syeda <syzaara@ca.ibm.com>
Date: Thu, 20 Jun 2024 11:30:58 -0400
Subject: [PPC] Add DwarfRegAlias for VSRPair (#95837)

Add DwarfRegAlias for VSRPair as it shares dwarfRegNum with the VR
registers.
---
 llvm/lib/Target/PowerPC/PPCRegisterInfo.td | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Target')

diff --git a/llvm/lib/Target/PowerPC/PPCRegisterInfo.td b/llvm/lib/Target/PowerPC/PPCRegisterInfo.td
index 8a37e40..fdbdc14 100644
--- a/llvm/lib/Target/PowerPC/PPCRegisterInfo.td
+++ b/llvm/lib/Target/PowerPC/PPCRegisterInfo.td
@@ -199,7 +199,7 @@ let SubRegIndices = [sub_vsx0, sub_vsx1] in {
     def VSRp#!add(!srl(Index, 1), 16) :
       VSRPair<!add(!srl(Index, 1), 16), "vsp"#!add(Index, 32),
               [!cast<VR>("V"#Index), !cast<VR>("V"#!add(Index, 1))]>,
-      DwarfRegNum<[-1, -1]>;
+              DwarfRegAlias<!cast<VR>("V"#Index)>;
   }
 }
 
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