[PATCH] D128584: [X86][AMX] Split greedy RA for tile register

[LuoYuanke via Phabricator via llvm-commits]

LuoYuanke added inline comments.


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Comment at: llvm/lib/Target/X86/X86TargetMachine.cpp:637
+  }
+  return TargetPassConfig::addRegAssignAndRewriteOptimized();
+}
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xiangzhangllvm wrote:
> Will the "TargetPassConfig::addRegAssignAndRewriteOptimized()" handle tile register again ?
No. In the 2nd greedy pass, the tile register has been assign to a physical register, so it won't allocate for tile register again.


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https://reviews.llvm.org/D128584