4d5d2ffd3e
When there is no target-specific lowering of @llvm.cond.loop, it is lowered into a simple loop by PreISelIntrinsicLowering. Mark the branch weights into the no-return loop as unknown given we do not have value metadata to fix the profcheck test for this feature. Reviewers: mtrofin, alanzhao1, snehasish, pcc Pull Request: https://github.com/llvm/llvm-project/pull/180390