[PATCH] D146988: [CodeGen] Enable processing of interconnected complex number operations

[Igor Kirillov via Phabricator via llvm-commits]

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With this patch, ComplexDeinterleavingPass now has the ability to handle
any number of interconnected operations involving complex numbers.
For example, the patch enables the processing of code like the following:

for (int i = 0; i < 1000; ++i) {

  a[i] =  w[i] * v[i];
  b[i] =  w[i] * u[i];

}

This code has multiple arrays containing complex numbers and a common
subexpression `w` that appears in two expressions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D146988

Files:
  llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp
  llvm/test/CodeGen/AArch64/complex-deinterleaving-multiuses.ll

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