1906   ArenaBitVector visited(&allocator,  in TryReplacingLoopPhiPlaceholderWithDefault()  local
1910   visited.ClearAllBits();  in TryReplacingLoopPhiPlaceholderWithDefault()
1916   visited.SetBit(PhiPlaceholderIndex(phi_placeholder));  in TryReplacingLoopPhiPlaceholderWithDefault()
1928         if (!visited.IsBitSet(PhiPlaceholderIndex(value))) {  in TryReplacingLoopPhiPlaceholderWithDefault()
1929           visited.SetBit(PhiPlaceholderIndex(value));  in TryReplacingLoopPhiPlaceholderWithDefault()
1963             if (!visited.IsBitSet(PhiPlaceholderIndex(value))) {  in TryReplacingLoopPhiPlaceholderWithDefault()
1964               visited.SetBit(PhiPlaceholderIndex(value));  in TryReplacingLoopPhiPlaceholderWithDefault()
1977   for (uint32_t phi_placeholder_index : visited.Indexes()) {  in TryReplacingLoopPhiPlaceholderWithDefault()
1981   phi_placeholders_to_materialize->Subtract(&visited);  in TryReplacingLoopPhiPlaceholderWithDefault()
1990   ArenaBitVector visited(&allocator,  in TryReplacingLoopPhiPlaceholderWithSingleInput()  local
1994   visited.ClearAllBits();  in TryReplacingLoopPhiPlaceholderWithSingleInput()
2000   visited.SetBit(PhiPlaceholderIndex(phi_placeholder));  in TryReplacingLoopPhiPlaceholderWithSingleInput()
2012         if (!visited.IsBitSet(PhiPlaceholderIndex(value))) {  in TryReplacingLoopPhiPlaceholderWithSingleInput()
2013           visited.SetBit(PhiPlaceholderIndex(value));  in TryReplacingLoopPhiPlaceholderWithSingleInput()
2034   for (uint32_t phi_placeholder_index : visited.Indexes()) {  in TryReplacingLoopPhiPlaceholderWithSingleInput()
2038   phi_placeholders_to_materialize->Subtract(&visited);  in TryReplacingLoopPhiPlaceholderWithSingleInput()
2720   ArenaBitVector visited(&allocator,  in FindOldValueForPhiPlaceholder()  local
2724   visited.ClearAllBits();  in FindOldValueForPhiPlaceholder()