Loop Rewind - Flatten - 2022.2 English

Vitis HLS Messaging (UG1448)

Document ID
UG1448
Release Date
2022-12-16
Version
2022.2 English

Description

Warning: [200-957] Unable to rewind loop %s: loop nest is not flattened.
This message reports that the code is violating loop rewind optimization rules.

Explanation

Loop rewind optimization requires flattened nested loops to be flattened, and the nested loops could not be flattened.

Solution

See Loop Flatten.