search for: estimated_execution_count

...update this information once per iteration of the outer inlining loop. As a result, we only need to keep it reasonably up to date within the inner inlining loop. (See note below about alternate approaches.) The metadata on the call site would look something like: call void @foo() !prof !"estimated_execution_count" 2000 (where 2000 is the estimated count) We'd have a new FunctionPass which removes any existing metadata and adds new metadata which basically comes down to a product of the functions entry count and the estimated block frequency (provided by BFI) of the block containing the call si...