[PATCH] D99010: [X86] Fix a bug when calculating the ldtilecfg insertion points.

[Pengfei Wang via Phabricator via llvm-commits]

pengfei created this revision.
pengfei added reviewers: LuoYuanke, yubing, xiangzhangllvm.
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The BB we initialized the ldtilecfg is special. We don't need to check
if its predecessor BBs need to insert ldtilecfg for calls.

This case happens only when the entry BB is in a loop. We need to hoist
the first tile config point out of the loop in future.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99010

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

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