[clang] [llvm] [Clang][OpenMP] Implement Loop splitting `#pragma omp split` directive (PR #183261)

[Michael Kruse via cfe-commits]

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@@ -23054,6 +23054,11 @@ TEST_F(FormatTest, UnderstandsPragmaOmpTarget) {
       getLLVMStyleWithColumns(26));
 }
 
+TEST_F(FormatTest, UnderstandsPragmaOmpSplit) {
+  verifyFormat("#pragma omp split counts(2, 3)");
+  verifyFormat("#pragma omp split counts(2, omp_fill)");
+}
+
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Meinersbur wrote:

You probably don't need to test formatting; we are not going to add tests for every single directive here, but only ones where
1. clang-format has special handling for, or
2. there have been regressions in the past

https://github.com/llvm/llvm-project/pull/183261