[PATCH] D79651: InstCombine: Broaden copy-constant-to-alloca optimization

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: rnk, majnemer, jdoerfert, asbirlea, vitalybuka.
Herald added subscribers: kerbowa, hiraditya, tpr, nhaehnle, wdng, jvesely.
Herald added a project: LLVM.

Consider any constant memory type, not just global constants. AMDGPU
kernel parameters are effectively global constants, but appear as
either reads from an intrinsic derived pointer or function argument.


https://reviews.llvm.org/D79651

Files:
  llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
  llvm/test/Transforms/InstCombine/AMDGPU/memcpy-from-constant.ll

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