llvm::lto::Config::RemarksHotnessThreshold

The minimum hotness value a diagnostic needs in order to be included in optimization diagnostics.

Synopsis

Declared in <llvm/LTO/Config.h>

std::optional<uint64_t> RemarksHotnessThreshold = 0;

Description

The threshold is an Optional value, which maps to one of the 3 states: 1. 0 => threshold disabled. All emarks will be printed. 2. positive int => manual threshold by user. Remarks with hotness exceed threshold will be printed. 3. None => 'auto' threshold by user. The actual value is not available at command line, but will be synced with hotness threhold from profile summary during compilation.

If threshold option is not specified, it is disabled by default.

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