[clang] [OpenMP] Introduce -fopenmp-force-usm flag (PR #75468)

[via cfe-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff 3c92011b600bdf70424e2547594dd461fe411a41 f0aaefbe923d2daa1752f3a9664dab3958346c51 -- clang/lib/CodeGen/CGOpenMPRuntime.cpp clang/lib/Driver/ToolChains/Clang.cpp
``````````

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
index 09204c3017..4855e7410a 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -1045,7 +1045,8 @@ CGOpenMPRuntime::CGOpenMPRuntime(CodeGenModule &CGM)
                                          : StringRef{});
   OMPBuilder.setConfig(Config);
 
-  // The user forces the compiler to behave as if omp requires unified_shared_memory was given.
+  // The user forces the compiler to behave as if omp requires
+  // unified_shared_memory was given.
   if (CGM.getLangOpts().OpenMPForceUSM) {
     HasRequiresUnifiedSharedMemory = true;
     OMPBuilder.Config.setHasRequiresUnifiedSharedMemory(true);

``````````

</details>


https://github.com/llvm/llvm-project/pull/75468