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Rollup merge of #128757 - Oneirical:calm-before-the-sltorm, r=jieyouxu

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Migrate `pgo-gen-lto` `run-make` test to rmake

Part of #121876 and the associated [Google Summer of Code project](https://blog.rust-lang.org/2024/05/01/gsoc-2024-selected-projects.html).

This one is so easy, I'm surprised I missed it.

try-job: aarch64-apple
try-job: x86_64-msvc
try-job: x86_64-mingw
try-job: i686-msvc
try-job: i686-mingw
try-job: x86_64-gnu-llvm-17
This commit is contained in:
Guillaume Gomez 2024-08-07 15:59:39 +02:00 committed by GitHub
commit c0efd51396
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3 changed files with 22 additions and 12 deletions
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1
src/tools/tidy/src/allowed_run_make_makefiles.txt
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@ -17,7 +17,6 @@ run-make/min-global-align/Makefile
run-make/native-link-modifier-bundle/Makefile run-make/native-link-modifier-bundle/Makefile
run-make/no-alloc-shim/Makefile run-make/no-alloc-shim/Makefile
run-make/pdb-buildinfo-cl-cmd/Makefile run-make/pdb-buildinfo-cl-cmd/Makefile
run-make/pgo-gen-lto/Makefile
run-make/pgo-indirect-call-promotion/Makefile run-make/pgo-indirect-call-promotion/Makefile
run-make/remap-path-prefix-dwarf/Makefile run-make/remap-path-prefix-dwarf/Makefile
run-make/reproducible-build/Makefile run-make/reproducible-build/Makefile

11
tests/run-make/pgo-gen-lto/Makefile
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@ -1,11 +0,0 @@
# needs-profiler-support
# ignore-cross-compile
include ../tools.mk
COMPILE_FLAGS=-Copt-level=3 -Clto=fat -Cprofile-generate="$(TMPDIR)"
all:
$(RUSTC) $(COMPILE_FLAGS) test.rs
$(call RUN,test) || exit 1
[ -e "$(TMPDIR)"/default_*.profraw ] || (echo "No .profraw file"; exit 1)

22
tests/run-make/pgo-gen-lto/rmake.rs Normal file
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@ -0,0 +1,22 @@
// A simple smoke test: when rustc compiles with profiling enabled, a profraw file
// should be generated.
// See https://github.com/rust-lang/rust/pull/48346
//@ needs-profiler-support
// Reason: this exercises LTO profiling
//@ ignore-cross-compile
// Reason: the compiled binary is executed
use run_make_support::{cwd, has_extension, has_prefix, run, rustc, shallow_find_files};
fn main() {
rustc().opt_level("3").arg("-Clto=fat").profile_generate(cwd()).input("test.rs").run();
run("test");
assert_eq!(
shallow_find_files(cwd(), |path| {
has_prefix(path, "default_") && has_extension(path, "profraw")
})
.len(),
1
);
}