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coverage: Rename the run-coverage test mode to coverage-run #117700

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Nov 8, 2023
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22 changes: 11 additions & 11 deletions src/bootstrap/src/core/build_steps/test.rs
Original file line number Diff line number Diff line change
@@ -1434,7 +1434,7 @@ impl Step for Coverage {

fn run(self, builder: &Builder<'_>) {
self.run_unified_suite(builder, CoverageMap::MODE);
self.run_unified_suite(builder, RunCoverage::MODE);
self.run_unified_suite(builder, CoverageRun::MODE);
}
}

@@ -1444,16 +1444,16 @@ coverage_test_alias!(CoverageMap {
default: true,
only_hosts: false,
});
coverage_test_alias!(RunCoverage {
alias_and_mode: "run-coverage",
coverage_test_alias!(CoverageRun {
alias_and_mode: "coverage-run",
default: true,
only_hosts: true,
});

host_test!(RunCoverageRustdoc {
path: "tests/run-coverage-rustdoc",
mode: "run-coverage",
suite: "run-coverage-rustdoc"
host_test!(CoverageRunRustdoc {
path: "tests/coverage-run-rustdoc",
mode: "coverage-run",
suite: "coverage-run-rustdoc"
});

// For the mir-opt suite we do not use macros, as we need custom behavior when blessing.
@@ -1640,7 +1640,7 @@ note: if you're sure you want to do this, please open an issue as to why. In the
|| (mode == "ui" && is_rustdoc)
|| mode == "js-doc-test"
|| mode == "rustdoc-json"
|| suite == "run-coverage-rustdoc"
|| suite == "coverage-run-rustdoc"
{
cmd.arg("--rustdoc-path").arg(builder.rustdoc(compiler));
}
@@ -1662,7 +1662,7 @@ note: if you're sure you want to do this, please open an issue as to why. In the
cmd.arg("--coverage-dump-path").arg(coverage_dump);
}

if mode == "run-coverage" {
if mode == "coverage-run" {
// The demangler doesn't need the current compiler, so we can avoid
// unnecessary rebuilds by using the bootstrap compiler instead.
let rust_demangler = builder
@@ -1854,11 +1854,11 @@ note: if you're sure you want to do this, please open an issue as to why. In the
}

if !builder.config.dry_run()
&& (matches!(suite, "run-make" | "run-make-fulldeps") || mode == "run-coverage")
&& (matches!(suite, "run-make" | "run-make-fulldeps") || mode == "coverage-run")
{
// The llvm/bin directory contains many useful cross-platform
// tools. Pass the path to run-make tests so they can use them.
// (The run-coverage tests also need these tools to process
// (The coverage-run tests also need these tools to process
// coverage reports.)
let llvm_bin_path = llvm_config
.parent()
4 changes: 2 additions & 2 deletions src/bootstrap/src/core/builder.rs
Original file line number Diff line number Diff line change
@@ -729,7 +729,7 @@ impl<'a> Builder<'a> {
test::RunPassValgrind,
test::Coverage,
test::CoverageMap,
test::RunCoverage,
test::CoverageRun,
test::MirOpt,
test::Codegen,
test::CodegenUnits,
@@ -740,7 +740,7 @@ impl<'a> Builder<'a> {
test::CodegenCranelift,
test::CodegenGCC,
test::Rustdoc,
test::RunCoverageRustdoc,
test::CoverageRunRustdoc,
test::Pretty,
test::Crate,
test::CrateLibrustc,
4 changes: 2 additions & 2 deletions src/tools/compiletest/src/common.rs
Original file line number Diff line number Diff line change
@@ -67,7 +67,7 @@ string_enum! {
MirOpt => "mir-opt",
Assembly => "assembly",
CoverageMap => "coverage-map",
RunCoverage => "run-coverage",
CoverageRun => "coverage-run",
}
}

@@ -91,7 +91,7 @@ impl Mode {
// Coverage tests use the same test files for multiple test modes,
// so each mode should have a separate output directory.
match self {
CoverageMap | RunCoverage => self.to_str(),
CoverageMap | CoverageRun => self.to_str(),
_ => "",
}
}
4 changes: 2 additions & 2 deletions src/tools/compiletest/src/header.rs
Original file line number Diff line number Diff line change
@@ -911,11 +911,11 @@ pub fn make_test_description<R: Read>(
let mut should_fail = false;

let extra_directives: &[&str] = match config.mode {
// The run-coverage tests are treated as having these extra directives,
// The coverage-run tests are treated as having these extra directives,
// without needing to specify them manually in every test file.
// (Some of the comments below have been copied over from
// `tests/run-make/coverage-reports/Makefile`, which no longer exists.)
Mode::RunCoverage => {
Mode::CoverageRun => {
&[
"needs-profiler-support",
// FIXME(mati865): MinGW GCC miscompiles compiler-rt profiling library but with Clang it works
14 changes: 7 additions & 7 deletions src/tools/compiletest/src/runtest.rs
Original file line number Diff line number Diff line change
@@ -6,7 +6,7 @@ use crate::common::{Assembly, Incremental, JsDocTest, MirOpt, RunMake, RustdocJs
use crate::common::{Codegen, CodegenUnits, DebugInfo, Debugger, Rustdoc};
use crate::common::{CompareMode, FailMode, PassMode};
use crate::common::{Config, TestPaths};
use crate::common::{CoverageMap, Pretty, RunCoverage, RunPassValgrind};
use crate::common::{CoverageMap, CoverageRun, Pretty, RunPassValgrind};
use crate::common::{UI_COVERAGE, UI_COVERAGE_MAP, UI_RUN_STDERR, UI_RUN_STDOUT};
use crate::compute_diff::{write_diff, write_filtered_diff};
use crate::errors::{self, Error, ErrorKind};
@@ -257,7 +257,7 @@ impl<'test> TestCx<'test> {
Assembly => self.run_assembly_test(),
JsDocTest => self.run_js_doc_test(),
CoverageMap => self.run_coverage_map_test(),
RunCoverage => self.run_coverage_test(),
CoverageRun => self.run_coverage_run_test(),
}
}

@@ -510,7 +510,7 @@ impl<'test> TestCx<'test> {
}
}

fn run_coverage_test(&self) {
fn run_coverage_run_test(&self) {
let should_run = self.run_if_enabled();
let proc_res = self.compile_test(should_run, Emit::None);

@@ -549,7 +549,7 @@ impl<'test> TestCx<'test> {
let mut profraw_paths = vec![profraw_path];
let mut bin_paths = vec![self.make_exe_name()];

if self.config.suite == "run-coverage-rustdoc" {
if self.config.suite == "coverage-run-rustdoc" {
self.run_doctests_for_coverage(&mut profraw_paths, &mut bin_paths);
}

@@ -2193,7 +2193,7 @@ impl<'test> TestCx<'test> {
|| self.is_vxworks_pure_static()
|| self.config.target.contains("bpf")
|| !self.config.target_cfg().dynamic_linking
|| matches!(self.config.mode, CoverageMap | RunCoverage)
|| matches!(self.config.mode, CoverageMap | CoverageRun)
{
// We primarily compile all auxiliary libraries as dynamic libraries
// to avoid code size bloat and large binaries as much as possible
@@ -2395,7 +2395,7 @@ impl<'test> TestCx<'test> {
}
}
DebugInfo => { /* debuginfo tests must be unoptimized */ }
CoverageMap | RunCoverage => {
CoverageMap | CoverageRun => {
// Coverage mappings and coverage reports are affected by
// optimization level, so they ignore the optimize-tests
// setting and set an optimization level in their mode's
@@ -2478,7 +2478,7 @@ impl<'test> TestCx<'test> {
// by `compile-flags`.
rustc.arg("-Copt-level=2");
}
RunCoverage => {
CoverageRun => {
rustc.arg("-Cinstrument-coverage");
// Coverage reports are sometimes sensitive to optimizations,
// and the current snapshots assume `opt-level=2` unless
File renamed without changes.
File renamed without changes.
6 changes: 3 additions & 3 deletions tests/coverage/README.md
Original file line number Diff line number Diff line change
@@ -2,15 +2,15 @@ The tests in this directory are shared by two different test modes, and can be
run in multiple different ways:

- `./x.py test coverage-map` (compiles to LLVM IR and checks coverage mappings)
- `./x.py test run-coverage` (runs a test binary and checks its coverage report)
- `./x.py test coverage` (runs both `coverage-map` and `run-coverage`)
- `./x.py test coverage-run` (runs a test binary and checks its coverage report)
- `./x.py test coverage` (runs both `coverage-map` and `coverage-run`)

## Maintenance note

These tests can be sensitive to small changes in MIR spans or MIR control flow,
especially in HIR-to-MIR lowering or MIR optimizations.

If you haven't touched the coverage code directly, and the tests still pass in
`run-coverage` mode, then it should usually be OK to just re-bless the mappings
`coverage-run` mode, then it should usually be OK to just re-bless the mappings
as necessary with `./x.py test coverage-map --bless`, without worrying too much
about the exact changes.