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firtool -disable-opt runs folders (via LowerFormalToHW) #8035

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dtzSiFive opened this issue Jan 6, 2025 · 0 comments
Open

firtool -disable-opt runs folders (via LowerFormalToHW) #8035

dtzSiFive opened this issue Jan 6, 2025 · 0 comments

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@dtzSiFive
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Consider:

hw.module @foo(out y : i1) {
  %one = hw.constant 1 : i1
  %0 = comb.xor %10, %one : i1
  %1 = comb.xor %0, %one : i1
  %2 = comb.xor %1, %one : i1
  %3 = comb.xor %2, %one : i1
  %4 = comb.xor %3, %one : i1
  %5 = comb.xor %4, %one : i1
  %6 = comb.xor %5, %one : i1
  %7 = comb.xor %6, %one : i1
  %8 = comb.xor %7, %one : i1
  %9 = comb.xor %8, %one : i1
  %10 = comb.xor %9, %one : i1
  hw.output %10 : i1
}
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