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

This makes it more consistent with the `coverage-map` mode and the shared
`tests/coverage` test directory.

src/bootstrap/src/core/build_steps/test.rs

@@ -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()

src/bootstrap/src/core/builder.rs

@@ -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,

src/tools/compiletest/src/common.rs

@@ -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(),
             _ => "",
         }
     }

src/tools/compiletest/src/header.rs

@@ -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

src/tools/compiletest/src/runtest.rs

@@ -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

tests/coverage/README.md

@@ -2,8 +2,8 @@ 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
 
@@ -11,6 +11,6 @@ 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.