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Migrate run-make/llvm-ident to rmake.rs

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This commit is contained in:
Guillaume Gomez 2024-06-25 12:39:19 +02:00
parent fc8b6c6657
commit 7276499dc9
3 changed files with 41 additions and 20 deletions
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1
src/tools/tidy/src/allowed_run_make_makefiles.txt
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@ -85,7 +85,6 @@ run-make/link-cfg/Makefile
run-make/link-framework/Makefile
run-make/link-path-order/Makefile
run-make/linkage-attr-on-static/Makefile
run-make/llvm-ident/Makefile
run-make/long-linker-command-lines-cmd-exe/Makefile
run-make/long-linker-command-lines/Makefile
run-make/longjmp-across-rust/Makefile

19
tests/run-make/llvm-ident/Makefile
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@ -1,19 +0,0 @@
include ../tools.mk
# only-linux
all:
# `-Ccodegen-units=16 -Copt-level=2` is used here to trigger thin LTO
# across codegen units to test deduplication of the named metadata
# (see `LLVMRustPrepareThinLTOImport` for details).
echo 'fn main(){}' | $(RUSTC) - --emit=link,obj -Csave-temps -Ccodegen-units=16 -Copt-level=2 --target=$(TARGET)
# `llvm-dis` is used here since `--emit=llvm-ir` does not emit LLVM IR
# for temporary outputs.
"$(LLVM_BIN_DIR)"/llvm-dis $(TMPDIR)/*.bc
# Check LLVM IR files (including temporary outputs) have `!llvm.ident`
# named metadata, reusing the related codegen test.
set -e; for f in $(TMPDIR)/*.ll; do \
$(LLVM_FILECHECK) --input-file $$f ../../codegen/llvm-ident.rs; \
done

41
tests/run-make/llvm-ident/rmake.rs Normal file
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@ -0,0 +1,41 @@
//@ only-linux
//@ ignore-cross-compile
use run_make_support::llvm::llvm_bin_dir;
use run_make_support::{cmd, env_var, llvm_filecheck, read_dir, rustc, source_root};
use std::ffi::OsStr;
fn main() {
// `-Ccodegen-units=16 -Copt-level=2` is used here to trigger thin LTO
// across codegen units to test deduplication of the named metadata
// (see `LLVMRustPrepareThinLTOImport` for details).
rustc()
.emit("link,obj")
.arg("-")
.arg("-Csave-temps")
.codegen_units(16)
.opt_level("2")
.target(&env_var("TARGET"))
.stdin("fn main(){}")
.run();
// `llvm-dis` is used here since `--emit=llvm-ir` does not emit LLVM IR
// for temporary outputs.
let mut files = Vec::new();
read_dir(".", |path| {
if path.is_file() && path.extension().is_some_and(|ext| ext == OsStr::new("bc")) {
files.push(path.to_path_buf());
}
});
cmd(llvm_bin_dir().join("llvm-dis")).args(&files).run();
// Check LLVM IR files (including temporary outputs) have `!llvm.ident`
// named metadata, reusing the related codegen test.
let llvm_ident_path = source_root().join("tests/codegen/llvm-ident.rs");
read_dir(".", |path| {
if path.is_file() && path.extension().is_some_and(|ext| ext == OsStr::new("ll")) {
llvm_filecheck().input_file(path).arg(&llvm_ident_path).run();
}
});
}