llvm-project

010f8534 - [BasicBlockUtilsTests] Added test case splitBlockBefore2. NFC (#179408)

[BasicBlockUtilsTests] Added test case splitBlockBefore2. NFC (#179408) Splitting a basic block BB into a pair of blocks NewBB->BB used to make LoopInfo invalid. Commit 28a0cfa946c5 (PR #179392) fixed this issue. So this commit just adds the test case the issue was found with.