[all-commits] [llvm/llvm-project] 5cd45e: [SCEV] Precommit test for widened signed induction...

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5cd45e442e99f8e01127f37548b124fa0e70f96a
      https://github.com/llvm/llvm-project/commit/5cd45e442e99f8e01127f37548b124fa0e70f96a
  Author: Philip Reames <preames at rivosinc.com>
  Date:   2024-03-06 (Wed, 06 Mar 2024)

  Changed paths:
    M llvm/test/Analysis/ScalarEvolution/trip-count.ll

  Log Message:
  -----------
  [SCEV] Precommit test for widened signed induction variables

These tests highlight that we have missed oppurtunities proving
trip count bounds when our start/end values are sign extended
from smaller types and we have either a loop guard to relate our
start vs end, or a nsw/nuw fact to bound end.



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