11 #include "mlir/IR/Operation.h"
12 #include "llvm/ADT/SmallSet.h"
14 using namespace circt;
17 SmallVector<Operation *> worklist;
19 worklist.push_back(initialOp);
20 while (!worklist.empty()) {
21 auto *op = worklist.pop_back_val();
24 for (
auto arg : op->getOperands())
25 if (
auto *argOp = arg.getDefiningOp())
26 if (handled.insert(argOp).second)
27 worklist.push_back(argOp);
void pruneUnusedOps(Operation *initialOp, Reduction &reduction)
Starting at the given op, traverse through it and its operands and erase operations that have no more...
This file defines an intermediate representation for circuits acting as an abstraction for constraint...
An abstract reduction pattern.
void notifyOpErased(Operation *op)