codegen_llvm_back: whitespace & formatting fixes

src/librustc_codegen_llvm/back/archive.rs

@@ -83,6 +83,7 @@ impl<'a> ArchiveBuilder<'a> {
         if self.src_archive().is_none() {
             return Vec::new()
         }
+
         let archive = self.src_archive.as_ref().unwrap().as_ref().unwrap();
         let ret = archive.iter()
                          .filter_map(|child| child.ok())

src/librustc_codegen_llvm/back/link.rs

@@ -47,8 +47,8 @@ use std::str;
 use syntax::attr;
 
 pub use rustc_codegen_utils::link::{find_crate_name, filename_for_input, default_output_for_target,
-                                  invalid_output_for_target, out_filename, check_file_is_writeable,
-                                  filename_for_metadata};
+                                    invalid_output_for_target, filename_for_metadata,
+                                    out_filename, check_file_is_writeable};
 
 // The third parameter is for env vars, used on windows to set up the
 // path for MSVC to find its DLLs, and gcc to find its bundled
@@ -147,9 +147,7 @@ pub(crate) fn link_binary(sess: &Session,
 
     // Remove the temporary object file and metadata if we aren't saving temps
     if !sess.opts.cg.save_temps {
-        if sess.opts.output_types.should_codegen() &&
-            !preserve_objects_for_their_debuginfo(sess)
-        {
+        if sess.opts.output_types.should_codegen() && !preserve_objects_for_their_debuginfo(sess) {
             for obj in codegen_results.modules.iter().filter_map(|m| m.object.as_ref()) {
                 remove(sess, obj);
             }
@@ -814,8 +812,8 @@ fn link_natively(sess: &Session,
                     .unwrap_or_else(|_| {
                         let mut x = "Non-UTF-8 output: ".to_string();
                         x.extend(s.iter()
-                                 .flat_map(|&b| ascii::escape_default(b))
-                                 .map(|b| char::from_u32(b as u32).unwrap()));
+                                  .flat_map(|&b| ascii::escape_default(b))
+                                  .map(|b| char::from_u32(b as u32).unwrap()));
                         x
                     })
             }
@@ -1012,8 +1010,7 @@ fn exec_linker(sess: &Session, cmd: &mut Command, out_filename: &Path, tmpdir: &
                 // ensure the line is interpreted as one whole argument.
                 for c in self.arg.chars() {
                     match c {
-                        '\\' |
-                        ' ' => write!(f, "\\{}", c)?,
+                        '\\' | ' ' => write!(f, "\\{}", c)?,
                         c => write!(f, "{}", c)?,
                     }
                 }

src/librustc_codegen_llvm/back/lto.rs

@@ -205,11 +205,11 @@ pub(crate) fn run(cgcx: &CodegenContext,
         Lto::Fat => {
             assert!(cached_modules.is_empty());
             let opt_jobs = fat_lto(cgcx,
-                                  &diag_handler,
-                                  modules,
-                                  upstream_modules,
-                                  &symbol_white_list,
-                                  timeline);
+                                   &diag_handler,
+                                   modules,
+                                   upstream_modules,
+                                   &symbol_white_list,
+                                   timeline);
             opt_jobs.map(|opt_jobs| (opt_jobs, vec![]))
         }
         Lto::Thin |
@@ -310,8 +310,8 @@ fn fat_lto(cgcx: &CodegenContext,
         unsafe {
             let ptr = symbol_white_list.as_ptr();
             llvm::LLVMRustRunRestrictionPass(llmod,
-                                            ptr as *const *const libc::c_char,
-                                            symbol_white_list.len() as libc::size_t);
+                                             ptr as *const *const libc::c_char,
+                                             symbol_white_list.len() as libc::size_t);
             cgcx.save_temp_bitcode(&module, "lto.after-restriction");
         }
 
@@ -617,8 +617,7 @@ fn run_pass_manager(cgcx: &CodegenContext,
             llvm::LLVMRustAddPass(pm, pass.unwrap());
         }
 
-        time_ext(cgcx.time_passes, None, "LTO passes", ||
-             llvm::LLVMRunPassManager(pm, llmod));
+        time_ext(cgcx.time_passes, None, "LTO passes", || llvm::LLVMRunPassManager(pm, llmod));
 
         llvm::LLVMDisposePassManager(pm);
     }

src/librustc_codegen_llvm/back/rpath.rs

@@ -117,8 +117,7 @@ fn get_rpath_relative_to_output(config: &mut RPathConfig, lib: &Path) -> String
     let relative = path_relative_from(&lib, &output).unwrap_or_else(||
         panic!("couldn't create relative path from {:?} to {:?}", output, lib));
     // FIXME (#9639): This needs to handle non-utf8 paths
-    format!("{}/{}", prefix,
-            relative.to_str().expect("non-utf8 component in path"))
+    format!("{}/{}", prefix, relative.to_str().expect("non-utf8 component in path"))
 }
 
 // This routine is adapted from the *old* Path's `path_relative_from`

src/librustc_codegen_llvm/back/write.rs

@@ -106,8 +106,7 @@ pub fn write_output_file(
         file_type: llvm::FileType) -> Result<(), FatalError> {
     unsafe {
         let output_c = path2cstr(output);
-        let result = llvm::LLVMRustWriteOutputFile(
-                target, pm, m, output_c.as_ptr(), file_type);
+        let result = llvm::LLVMRustWriteOutputFile(target, pm, m, output_c.as_ptr(), file_type);
         if result.into_result().is_err() {
             let msg = format!("could not write output to {}", output.display());
             Err(llvm_err(handler, msg))
@@ -590,8 +589,7 @@ unsafe fn optimize(cgcx: &CodegenContext,
 
             for pass in &config.passes {
                 if !addpass(pass) {
-                    diag_handler.warn(&format!("unknown pass `{}`, ignoring",
-                                            pass));
+                    diag_handler.warn(&format!("unknown pass `{}`, ignoring", pass));
                 }
                 if pass == "name-anon-globals" {
                     have_name_anon_globals_pass = true;
@@ -601,8 +599,8 @@ unsafe fn optimize(cgcx: &CodegenContext,
             for pass in &cgcx.plugin_passes {
                 if !addpass(pass) {
                     diag_handler.err(&format!("a plugin asked for LLVM pass \
-                                            `{}` but LLVM does not \
-                                            recognize it", pass));
+                                               `{}` but LLVM does not \
+                                               recognize it", pass));
                 }
                 if pass == "name-anon-globals" {
                     have_name_anon_globals_pass = true;
@@ -613,12 +611,12 @@ unsafe fn optimize(cgcx: &CodegenContext,
                 // As described above, this will probably cause an error in LLVM
                 if config.no_prepopulate_passes {
                     diag_handler.err("The current compilation is going to use thin LTO buffers \
-                                     without running LLVM's NameAnonGlobals pass. \
-                                     This will likely cause errors in LLVM. Consider adding \
-                                     -C passes=name-anon-globals to the compiler command line.");
+                                      without running LLVM's NameAnonGlobals pass. \
+                                      This will likely cause errors in LLVM. Consider adding \
+                                      -C passes=name-anon-globals to the compiler command line.");
                 } else {
                     bug!("We are using thin LTO buffers without running the NameAnonGlobals pass. \
-                         This will likely cause errors in LLVM and should never happen.");
+                          This will likely cause errors in LLVM and should never happen.");
                 }
             }
         }
@@ -704,9 +702,9 @@ unsafe fn codegen(cgcx: &CodegenContext,
         // escape the closure itself, and the manager should only be
         // used once.
         unsafe fn with_codegen<'ll, F, R>(tm: &'ll llvm::TargetMachine,
-                                    llmod: &'ll llvm::Module,
-                                    no_builtins: bool,
-                                    f: F) -> R
+                                          llmod: &'ll llvm::Module,
+                                          no_builtins: bool,
+                                          f: F) -> R
             where F: FnOnce(&'ll mut PassManager<'ll>) -> R,
         {
             let cpm = llvm::LLVMCreatePassManager();
@@ -818,15 +816,15 @@ unsafe fn codegen(cgcx: &CodegenContext,
                 };
                 with_codegen(tm, llmod, config.no_builtins, |cpm| {
                     write_output_file(diag_handler, tm, cpm, llmod, &path,
-                                    llvm::FileType::AssemblyFile)
+                                      llvm::FileType::AssemblyFile)
                 })?;
                 timeline.record("asm");
             }
 
             if write_obj {
                 with_codegen(tm, llmod, config.no_builtins, |cpm| {
                     write_output_file(diag_handler, tm, cpm, llmod, &obj_out,
-                                    llvm::FileType::ObjectFile)
+                                      llvm::FileType::ObjectFile)
                 })?;
                 timeline.record("obj");
             } else if asm_to_obj {
@@ -947,11 +945,11 @@ fn need_pre_thin_lto_bitcode_for_incr_comp(sess: &Session) -> bool {
 }
 
 pub fn start_async_codegen(tcx: TyCtxt,
-                               time_graph: Option<TimeGraph>,
-                               metadata: EncodedMetadata,
-                               coordinator_receive: Receiver<Box<dyn Any + Send>>,
-                               total_cgus: usize)
-                               -> OngoingCodegen {
+                           time_graph: Option<TimeGraph>,
+                           metadata: EncodedMetadata,
+                           coordinator_receive: Receiver<Box<dyn Any + Send>>,
+                           total_cgus: usize)
+                           -> OngoingCodegen {
     let sess = tcx.sess;
     let crate_name = tcx.crate_name(LOCAL_CRATE);
     let crate_hash = tcx.crate_hash(LOCAL_CRATE);
@@ -1116,7 +1114,8 @@ fn copy_all_cgu_workproducts_to_incr_comp_cache_dir(
         }
 
         if let Some((id, product)) =
-                copy_cgu_workproducts_to_incr_comp_cache_dir(sess, &module.name, &files) {
+            copy_cgu_workproducts_to_incr_comp_cache_dir(sess, &module.name, &files)
+        {
             work_products.insert(id, product);
         }
     }
@@ -1584,10 +1583,8 @@ fn start_executing_work(tcx: TyCtxt,
 
         let (name, mut cmd) = get_linker(sess, &linker, flavor);
         cmd.args(&sess.target.target.options.asm_args);
-        Some(Arc::new(AssemblerCommand {
-            name,
-            cmd,
-        }))
+
+        Some(Arc::new(AssemblerCommand { name, cmd }))
     } else {
         None
     };
@@ -2186,9 +2183,9 @@ pub fn run_assembler(cgcx: &CodegenContext, handler: &Handler, assembly: &Path,
                 handler.struct_err(&format!("linking with `{}` failed: {}",
                                             pname.display(),
                                             prog.status))
-                    .note(&format!("{:?}", &cmd))
-                    .note(str::from_utf8(&note[..]).unwrap())
-                    .emit();
+                       .note(&format!("{:?}", &cmd))
+                       .note(str::from_utf8(&note[..]).unwrap())
+                       .emit();
                 handler.abort_if_errors();
             }
         },
@@ -2450,8 +2447,8 @@ impl OngoingCodegen {
     }
 
     pub(crate) fn submit_pre_codegened_module_to_llvm(&self,
-                                                       tcx: TyCtxt,
-                                                       module: ModuleCodegen) {
+                                                      tcx: TyCtxt,
+                                                      module: ModuleCodegen) {
         self.wait_for_signal_to_codegen_item();
         self.check_for_errors(tcx.sess);
 

src/librustc_codegen_utils/linker.rs

@@ -224,9 +224,9 @@ impl<'a> GccLinker<'a> {
 }
 
 impl<'a> Linker for GccLinker<'a> {
-    fn link_dylib(&mut self, lib: &str) { self.hint_dynamic(); self.cmd.arg(format!("-l{}",lib)); }
+    fn link_dylib(&mut self, lib: &str) { self.hint_dynamic(); self.cmd.arg(format!("-l{}", lib)); }
     fn link_staticlib(&mut self, lib: &str) {
-        self.hint_static(); self.cmd.arg(format!("-l{}",lib));
+        self.hint_static(); self.cmd.arg(format!("-l{}", lib));
     }
     fn link_rlib(&mut self, lib: &Path) { self.hint_static(); self.cmd.arg(lib); }
     fn include_path(&mut self, path: &Path) { self.cmd.arg("-L").arg(path); }
@@ -243,7 +243,7 @@ impl<'a> Linker for GccLinker<'a> {
 
     fn link_rust_dylib(&mut self, lib: &str, _path: &Path) {
         self.hint_dynamic();
-        self.cmd.arg(format!("-l{}",lib));
+        self.cmd.arg(format!("-l{}", lib));
     }
 
     fn link_framework(&mut self, framework: &str) {
@@ -261,7 +261,7 @@ impl<'a> Linker for GccLinker<'a> {
         self.hint_static();
         let target = &self.sess.target.target;
         if !target.options.is_like_osx {
-            self.linker_arg("--whole-archive").cmd.arg(format!("-l{}",lib));
+            self.linker_arg("--whole-archive").cmd.arg(format!("-l{}", lib));
             self.linker_arg("--no-whole-archive");
         } else {
             // -force_load is the macOS equivalent of --whole-archive, but it
@@ -373,8 +373,7 @@ impl<'a> Linker for GccLinker<'a> {
             // purely to support rustbuild right now, we should get a more
             // principled solution at some point to force the compiler to pass
             // the right `-Wl,-install_name` with an `@rpath` in it.
-            if self.sess.opts.cg.rpath ||
-               self.sess.opts.debugging_opts.osx_rpath_install_name {
+            if self.sess.opts.cg.rpath || self.sess.opts.debugging_opts.osx_rpath_install_name {
                 self.linker_arg("-install_name");
                 let mut v = OsString::from("@rpath/");
                 v.push(out_filename.file_name().unwrap());

src/librustc_codegen_utils/symbol_export.rs

@@ -47,11 +47,10 @@ fn crate_export_threshold(crate_type: config::CrateType) -> SymbolExportLevel {
     }
 }
 
-pub fn crates_export_threshold(crate_types: &[config::CrateType])
-                                      -> SymbolExportLevel {
-    if crate_types.iter().any(|&crate_type| {
-        crate_export_threshold(crate_type) == SymbolExportLevel::Rust
-    }) {
+pub fn crates_export_threshold(crate_types: &[config::CrateType]) -> SymbolExportLevel {
+    if crate_types.iter().any(|&crate_type|
+        crate_export_threshold(crate_type) == SymbolExportLevel::Rust)
+    {
         SymbolExportLevel::Rust
     } else {
         SymbolExportLevel::C
@@ -359,7 +358,7 @@ fn is_unreachable_local_definition_provider(tcx: TyCtxt, def_id: DefId) -> bool
         !tcx.reachable_set(LOCAL_CRATE).0.contains(&node_id)
     } else {
         bug!("is_unreachable_local_definition called with non-local DefId: {:?}",
-              def_id)
+             def_id)
     }
 }