bjoernager/rust
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Stabilize -Z instrument-coverage as -C instrument-coverage

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Continue supporting -Z instrument-coverage for compatibility for now,
but show a deprecation warning for it.

Update uses and documentation to use the -C option.

Move the documentation from the unstable book to stable rustc
documentation.
This commit is contained in:
Josh Triplett 2021-10-21 16:04:22 +02:00
parent ff94b3b12b
commit 34106f8935
23 changed files with 102 additions and 79 deletions
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15
compiler/rustc_session/src/options.rs
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@ -109,17 +109,16 @@ impl Options {
}
pub fn instrument_coverage(&self) -> bool {
self.debugging_opts.instrument_coverage.unwrap_or(InstrumentCoverage::Off)
!= InstrumentCoverage::Off
self.cg.instrument_coverage.unwrap_or(InstrumentCoverage::Off) != InstrumentCoverage::Off
}
pub fn instrument_coverage_except_unused_generics(&self) -> bool {
self.debugging_opts.instrument_coverage.unwrap_or(InstrumentCoverage::Off)
self.cg.instrument_coverage.unwrap_or(InstrumentCoverage::Off)
== InstrumentCoverage::ExceptUnusedGenerics
}
pub fn instrument_coverage_except_unused_functions(&self) -> bool {
self.debugging_opts.instrument_coverage.unwrap_or(InstrumentCoverage::Off)
self.cg.instrument_coverage.unwrap_or(InstrumentCoverage::Off)
== InstrumentCoverage::ExceptUnusedFunctions
}
}
@ -1021,6 +1020,14 @@ options! {
"enable incremental compilation"),
inline_threshold: Option<u32> = (None, parse_opt_number, [TRACKED],
"set the threshold for inlining a function"),
instrument_coverage: Option<InstrumentCoverage> = (None, parse_instrument_coverage, [TRACKED],
"instrument the generated code to support LLVM source-based code coverage \
reports (note, the compiler build config must include `profiler = true`); \
implies `-C symbol-mangling-version=v0`. Optional values are:
`=all` (implicit value)
`=except-unused-generics`
`=except-unused-functions`
`=off` (default)"),
link_arg: (/* redirected to link_args */) = ((), parse_string_push, [UNTRACKED],
"a single extra argument to append to the linker invocation (can be used several times)"),
link_args: Vec<String> = (Vec::new(), parse_list, [UNTRACKED],