[llvm] [SCEV] - Add positive-stride predicate for backedge-taken count. (PR #222261)

[Florian Hahn via llvm-commits]

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@@ -0,0 +1,75 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --filter-out-after "scalar.ph:" --version 5
+; RUN: opt -passes=loop-vectorize -mtriple=riscv64 -S %s | FileCheck %s
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fhahn wrote:

There should be no need to make this test RISCV specific. Please check if there's already a suitable existing test file where it can be  added

https://github.com/llvm/llvm-project/pull/222261