[llvm] [AArch64] Remove an unnecessary cast (NFC) (PR #148532)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/148532

getRegisterInfo() already returns const AArch64RegisterInfo *.


>From d3480f0ac3df373c7032f240d82ff5970f17d6b1 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Sat, 12 Jul 2025 15:54:46 -0700
Subject: [PATCH] [AArch64] Remove an unnecessary cast (NFC)

getRegisterInfo() already returns const AArch64RegisterInfo *.
---
 llvm/lib/Target/AArch64/AArch64FrameLowering.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
index 00fbeef9d35df..0179be4894c92 100644
--- a/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
@@ -731,8 +731,7 @@ void AArch64FrameLowering::resetCFIToInitialState(
 
   MachineFunction &MF = *MBB.getParent();
   const auto &Subtarget = MF.getSubtarget<AArch64Subtarget>();
-  const auto &TRI =
-      static_cast<const AArch64RegisterInfo &>(*Subtarget.getRegisterInfo());
+  const auto &TRI = *Subtarget.getRegisterInfo();
   const auto &MFI = *MF.getInfo<AArch64FunctionInfo>();
 
   CFIInstBuilder CFIBuilder(MBB, MBB.begin(), MachineInstr::NoFlags);