[PATCH] D103145: [X86][AMX] Fix a bug on tile config.

[LuoYuanke via Phabricator via llvm-commits]

LuoYuanke created this revision.
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The previous code detect if a MBB is bottom block to determine if it is
a backedge of a loop. We should check latch block instead of bottom
block and we should check the header and the bottom block are in the
same loop.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D103145

Files:
  llvm/lib/Target/X86/X86PreTileConfig.cpp
  llvm/test/CodeGen/X86/AMX/amx-gemm.ll

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