[PATCH] D125956: [NOT YET FOR REVIEW][AArch64][LV] Implement AArch64TTIImpl::getRegisterClassForType

[Dave Green via Phabricator via llvm-commits]

dmgreen added a comment.

It might be worth teaching AArch64TTIImpl::getRegisterClassForType that fp regs and vector regs are the same thing. That would require some testing to make sure it actually produces better results though.



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Comment at: llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp:229
+    return Vector ? 1 : 0;
+  return getRegMVTForType(Ty).isVector() ? 1 : 0;
+}
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Can this just use the existing TLI->getTypeLegalizationCost call to get the MVT?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D125956/new/

https://reviews.llvm.org/D125956