bjoernager/rust
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coverage: Add -Zcoverage-options for fine control of coverage

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This new nightly-only flag can be used to toggle fine-grained flags that
control the details of coverage instrumentation.

Currently the only supported flag value is `branch` (or `no-branch`), which is
a placeholder for upcoming support for branch coverage. Other flag values can
be added in the future, to prototype proposed new behaviour, or to enable
special non-default behaviour.
This commit is contained in:
Zalathar 2024-03-08 18:07:04 +11:00
parent 1f544ce305
commit 3407fcc12e
8 changed files with 84 additions and 11 deletions
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12
compiler/rustc_interface/src/tests.rs
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@ -4,11 +4,12 @@ use rustc_data_structures::profiling::TimePassesFormat;
use rustc_errors::{emitter::HumanReadableErrorType, registry, ColorConfig};
use rustc_session::config::{
build_configuration, build_session_options, rustc_optgroups, BranchProtection, CFGuard, Cfg,
CollapseMacroDebuginfo, DebugInfo, DumpMonoStatsFormat, ErrorOutputType, ExternEntry,
ExternLocation, Externs, FunctionReturn, InliningThreshold, Input, InstrumentCoverage,
InstrumentXRay, LinkSelfContained, LinkerPluginLto, LocationDetail, LtoCli, NextSolverConfig,
OomStrategy, Options, OutFileName, OutputType, OutputTypes, PAuthKey, PacRet, Passes, Polonius,
ProcMacroExecutionStrategy, Strip, SwitchWithOptPath, SymbolManglingVersion, WasiExecModel,
CollapseMacroDebuginfo, CoverageOptions, DebugInfo, DumpMonoStatsFormat, ErrorOutputType,
ExternEntry, ExternLocation, Externs, FunctionReturn, InliningThreshold, Input,
InstrumentCoverage, InstrumentXRay, LinkSelfContained, LinkerPluginLto, LocationDetail, LtoCli,
NextSolverConfig, OomStrategy, Options, OutFileName, OutputType, OutputTypes, PAuthKey, PacRet,
Passes, Polonius, ProcMacroExecutionStrategy, Strip, SwitchWithOptPath, SymbolManglingVersion,
WasiExecModel,
};
use rustc_session::lint::Level;
use rustc_session::search_paths::SearchPath;
@ -750,6 +751,7 @@ fn test_unstable_options_tracking_hash() {
);
tracked!(codegen_backend, Some("abc".to_string()));
tracked!(collapse_macro_debuginfo, CollapseMacroDebuginfo::Yes);
tracked!(coverage_options, CoverageOptions { branch: true });
tracked!(crate_attr, vec!["abc".to_string()]);
tracked!(cross_crate_inline_threshold, InliningThreshold::Always);
tracked!(debug_info_for_profiling, true);