[llvm] [SandboxIR][Region][NFC] Fix windows build issue (PR #129082)

[via llvm-commits]

https://github.com/vporpo created https://github.com/llvm/llvm-project/pull/129082

This should fix the issue reported here:
https://discourse.llvm.org/t/second-stage-of-build-on-windows-fails-in-sandboxir/84841

>From 3f0d543d2ae49b9c56d3ef976cecf615f18bbc0f Mon Sep 17 00:00:00 2001
From: Vasileios Porpodas <vporpodas at google.com>
Date: Thu, 27 Feb 2025 08:21:49 -0800
Subject: [PATCH] [SandboxIR][Region][NFC] Fix windows build issue

This should fix the issue reported here:
https://discourse.llvm.org/t/second-stage-of-build-on-windows-fails-in-sandboxir/84841
---
 llvm/lib/SandboxIR/Region.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/SandboxIR/Region.cpp b/llvm/lib/SandboxIR/Region.cpp
index 086993e6dc872..2eb84bd72ed00 100644
--- a/llvm/lib/SandboxIR/Region.cpp
+++ b/llvm/lib/SandboxIR/Region.cpp
@@ -64,7 +64,7 @@ void Region::setAux(ArrayRef<Instruction *> Aux) {
   auto &LLVMCtx = Ctx.LLVMCtx;
   for (auto [Idx, I] : enumerate(Aux)) {
     llvm::ConstantInt *IdxC =
-        llvm::ConstantInt::get(LLVMCtx, llvm::APInt(32, Idx, false));
+        llvm::ConstantInt::get(llvm::Type::getInt32Ty(LLVMCtx), Idx, false);
     assert(cast<llvm::Instruction>(I->Val)->getMetadata(AuxMDKind) == nullptr &&
            "Instruction already in Aux!");
     cast<llvm::Instruction>(I->Val)->setMetadata(