[llvm] [offload] Add early exit on plugin deinit when offloading is disabled (PR #134090)

[Michael Halkenhäuser via llvm-commits]

https://github.com/mhalk created https://github.com/llvm/llvm-project/pull/134090

Add early exit during plugin de-init
 - when OffloadPolicy::isOffloadDisabled
 - e.g.: `OMP_TARGET_OFFLOAD=DISABLED`

See also: https://github.com/llvm/llvm-project/pull/133470

>From 5c935aa8b34d9171c526db5253ed05be375b1531 Mon Sep 17 00:00:00 2001
From: Michael Halkenhaeuser <MichaelGerald.Halkenhauser at amd.com>
Date: Wed, 2 Apr 2025 07:16:42 -0500
Subject: [PATCH] [offload] Add early exit on plugin deinit when offloading is
 disabled

Add early exit during plugin de-init
 - when OffloadPolicy::isOffloadDisabled
 - e.g.: `OMP_TARGET_OFFLOAD=DISABLED`

See also: https://github.com/llvm/llvm-project/pull/133470
---
 offload/libomptarget/PluginManager.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/offload/libomptarget/PluginManager.cpp b/offload/libomptarget/PluginManager.cpp
index d6d529a207587..d9c068b313251 100644
--- a/offload/libomptarget/PluginManager.cpp
+++ b/offload/libomptarget/PluginManager.cpp
@@ -51,6 +51,11 @@ void PluginManager::init() {
 
 void PluginManager::deinit() {
   TIMESCOPE();
+  if (OffloadPolicy::isOffloadDisabled()) {
+    DP("Offload is disabled. Skipping plugin deinitialization\n");
+    return;
+  }
+
   DP("Unloading RTLs...\n");
 
   for (auto &Plugin : Plugins) {