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36 lines
1.2 KiB
Rust
36 lines
1.2 KiB
Rust
//@ only-linux
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//@ ignore-cross-compile
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use run_make_support::llvm::llvm_bin_dir;
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use run_make_support::{
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cmd, env_var, has_extension, llvm_filecheck, rustc, shallow_find_files, source_root,
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};
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fn main() {
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// `-Ccodegen-units=16 -Copt-level=2` is used here to trigger thin LTO
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// across codegen units to test deduplication of the named metadata
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// (see `LLVMRustPrepareThinLTOImport` for details).
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rustc()
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.emit("link,obj")
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.arg("-")
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.arg("-Csave-temps")
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.codegen_units(16)
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.opt_level("2")
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.target(&env_var("TARGET"))
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.stdin_buf("fn main(){}")
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.run();
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// `llvm-dis` is used here since `--emit=llvm-ir` does not emit LLVM IR
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// for temporary outputs.
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let files = shallow_find_files(".", |path| has_extension(path, "bc"));
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cmd(llvm_bin_dir().join("llvm-dis")).args(files).run();
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// Check LLVM IR files (including temporary outputs) have `!llvm.ident`
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// named metadata, reusing the related codegen test.
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let llvm_ident_path = source_root().join("tests/codegen/llvm-ident.rs");
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let files = shallow_find_files(".", |path| has_extension(path, "ll"));
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for file in files {
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llvm_filecheck().input_file(file).arg(&llvm_ident_path).run();
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}
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}
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