[PATCH] D40802: [MemDep] Don't use cached results from a previous larger query

[Dan Gohman via Phabricator via llvm-commits]

sunfish updated this revision to Diff 125780.
sunfish added a comment.

- Fixes debug info updating.
- Adds a proper testcase for the memset merging caching bug.


Repository:
  rL LLVM

https://reviews.llvm.org/D40802

Files:
  lib/Analysis/MemoryDependenceAnalysis.cpp
  lib/Transforms/Scalar/MemCpyOptimizer.cpp
  test/Transforms/MemCpyOpt/merge-into-memset.ll
  test/Transforms/MemCpyOpt/mixed-sizes.ll

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