From fc8b6c6657962002af58f9a4cf5796031ebbf665 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Tue, 25 Jun 2024 12:39:04 +0200 Subject: [PATCH 1/2] Add `input_file` method on `LlvmFileCheck` --- src/tools/run-make-support/src/llvm.rs | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/tools/run-make-support/src/llvm.rs b/src/tools/run-make-support/src/llvm.rs index 7f42223bf7f..4c9e9a53230 100644 --- a/src/tools/run-make-support/src/llvm.rs +++ b/src/tools/run-make-support/src/llvm.rs @@ -180,6 +180,13 @@ impl LlvmFilecheck { self.cmd.arg(path.as_ref()); self } + + /// `--input-file` option. + pub fn input_file>(&mut self, input_file: P) -> &mut Self { + self.cmd.arg("--input-file"); + self.cmd.arg(input_file.as_ref()); + self + } } impl LlvmObjdump { From 7276499dc962a2fe5e6d7517ffdf1f866f046ed8 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Tue, 25 Jun 2024 12:39:19 +0200 Subject: [PATCH 2/2] Migrate `run-make/llvm-ident` to `rmake.rs` --- .../tidy/src/allowed_run_make_makefiles.txt | 1 - tests/run-make/llvm-ident/Makefile | 19 --------- tests/run-make/llvm-ident/rmake.rs | 41 +++++++++++++++++++ 3 files changed, 41 insertions(+), 20 deletions(-) delete mode 100644 tests/run-make/llvm-ident/Makefile create mode 100644 tests/run-make/llvm-ident/rmake.rs diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 741bb46d1a7..5a8480e408d 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -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 diff --git a/tests/run-make/llvm-ident/Makefile b/tests/run-make/llvm-ident/Makefile deleted file mode 100644 index e583e6018e0..00000000000 --- a/tests/run-make/llvm-ident/Makefile +++ /dev/null @@ -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 diff --git a/tests/run-make/llvm-ident/rmake.rs b/tests/run-make/llvm-ident/rmake.rs new file mode 100644 index 00000000000..f460829288e --- /dev/null +++ b/tests/run-make/llvm-ident/rmake.rs @@ -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(); + } + }); +}