[llvm] [AArch64] Fix build failure with -Werror (PR #144749)

[John Brawn via llvm-commits]

https://github.com/john-brawn-arm created https://github.com/llvm/llvm-project/pull/144749

PR#144387 caused buildbot failures with -Werror due to a comparison between signed and unsigned types. Fix this with an explicit cast.

>From cd13ebbc95f80daaa15a2d5e7e94692343addd75 Mon Sep 17 00:00:00 2001
From: John Brawn <john.brawn at arm.com>
Date: Wed, 18 Jun 2025 17:31:32 +0100
Subject: [PATCH] [AArch64] Fix build failure with -Werror

PR#144387 caused buildbot failures with -Werror due to a comparison
between signed and unsigned types. Fix this with an explicit cast.
---
 llvm/lib/Target/AArch64/AArch64ISelLowering.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 22c497d3de647..76d88aa7918bb 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -27057,7 +27057,7 @@ bool AArch64TargetLowering::getIndexedAddressParts(SDNode *N, SDNode *Op,
     // only allow an offset that's equal to the store size.
     EVT MemType = cast<MemSDNode>(N)->getMemoryVT();
     if (!Subtarget->isLittleEndian() && MemType.isVector() &&
-        RHSC != MemType.getStoreSize())
+        (uint64_t)RHSC != MemType.getStoreSize())
       return false;
     // Always emit pre-inc/post-inc addressing mode. Use negated constant offset
     // when dealing with subtraction.