mirror of
https://github.com/roc-lang/roc.git
synced 2025-09-28 06:14:46 +00:00
366 lines
14 KiB
Rust
366 lines
14 KiB
Rust
#[macro_export]
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macro_rules! assert_llvm_evals_to {
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($src:expr, $expected:expr, $ty:ty, $transform:expr) => {
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let target = target_lexicon::Triple::host();
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let ptr_bytes = target.pointer_width().unwrap().bytes() as u32;
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let arena = Bump::new();
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let CanExprOut { loc_expr, var_store, var, constraint, home, interns, problems, .. } = can_expr($src);
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let errors = problems.into_iter().filter(|problem| {
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use roc_problem::can::Problem::*;
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// Ignore "unused" problems
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match problem {
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UnusedDef(_, _) | UnusedArgument(_, _, _) | UnusedImport(_, _) => false,
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_ => true,
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}
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}).collect::<Vec<roc_problem::can::Problem>>();
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assert_eq!(errors, Vec::new(), "Encountered errors: {:?}", errors);
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let subs = Subs::new(var_store.into());
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let mut unify_problems = Vec::new();
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let (content, mut subs) = infer_expr(subs, &mut unify_problems, &constraint, var);
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assert_eq!(unify_problems, Vec::new(), "Encountered type mismatches: {:?}", unify_problems);
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let context = Context::create();
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let module = roc_gen::llvm::build::module_from_builtins(&context, "app");
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let builder = context.create_builder();
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let opt_level = if cfg!(debug_assertions) {
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roc_gen::llvm::build::OptLevel::Normal
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} else {
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roc_gen::llvm::build::OptLevel::Optimize
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};
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let fpm = PassManager::create(&module);
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roc_gen::llvm::build::add_passes(&fpm, opt_level);
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fpm.initialize();
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// Compute main_fn_type before moving subs to Env
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let layout = Layout::new(&arena, content, &subs, ptr_bytes)
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.unwrap_or_else(|err| panic!("Code gen error in test: could not convert to layout. Err was {:?} and Subs were {:?}", err, subs));
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let execution_engine =
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module
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.create_jit_execution_engine(OptimizationLevel::None)
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.expect("Error creating JIT execution engine for test");
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let main_fn_type = basic_type_from_layout(&arena, &context, &layout, ptr_bytes)
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.fn_type(&[], false);
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let main_fn_name = "$Test.main";
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// Compile and add all the Procs before adding main
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let mut env = roc_gen::llvm::build::Env {
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arena: &arena,
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builder: &builder,
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context: &context,
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interns,
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module: arena.alloc(module),
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ptr_bytes
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};
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let mut procs = Procs::default();
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let mut ident_ids = env.interns.all_ident_ids.remove(&home).unwrap();
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let mut layout_ids = roc_gen::layout_id::LayoutIds::default();
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// Populate Procs and get the low-level Expr from the canonical Expr
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let mut mono_problems = Vec::new();
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let mut mono_env = roc_mono::expr::Env {
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arena: &arena,
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subs: &mut subs,
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problems: &mut mono_problems,
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home,
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ident_ids: &mut ident_ids,
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pointer_size: ptr_bytes,
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jump_counter: arena.alloc(0),
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};
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let main_body = Expr::new(&mut mono_env, loc_expr.value, &mut procs);
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let mut headers = Vec::with_capacity(procs.pending_specializations.len());
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let mut layout_cache = roc_mono::layout::LayoutCache::default();
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let (mut specializations, runtime_errors) =
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roc_mono::expr::specialize_all(&mut mono_env, procs, &mut layout_cache);
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assert_eq!(runtime_errors, roc_collections::all::MutSet::default());
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// Put this module's ident_ids back in the interns, so we can use them in env.
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// This must happen *after* building the headers, because otherwise there's
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// a conflicting mutable borrow on ident_ids.
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env.interns.all_ident_ids.insert(home, ident_ids);
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// Add all the Proc headers to the module.
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// We have to do this in a separate pass first,
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// because their bodies may reference each other.
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for ((symbol, layout), proc) in specializations.drain() {
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let (fn_val, arg_basic_types) =
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build_proc_header(&env, &mut layout_ids, symbol, &layout, &proc);
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headers.push((proc, fn_val, arg_basic_types));
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}
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// Build each proc using its header info.
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for (proc, fn_val, arg_basic_types) in headers {
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build_proc(&env, &mut layout_ids, proc, fn_val, arg_basic_types);
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if fn_val.verify(true) {
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fpm.run_on(&fn_val);
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} else {
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eprintln!(
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"\n\nFunction {:?} failed LLVM verification in NON-OPTIMIZED build. Its content was:\n", fn_val.get_name().to_str().unwrap()
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);
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fn_val.print_to_stderr();
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panic!(
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"The preceding code was from {:?}, which failed LLVM verification in NON-OPTIMIZED build.", fn_val.get_name().to_str().unwrap()
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);
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}
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}
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// Add main to the module.
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let main_fn = env.module.add_function(main_fn_name, main_fn_type, None);
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let cc = roc_gen::llvm::build::get_call_conventions(target.default_calling_convention().unwrap());
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main_fn.set_call_conventions(cc);
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// Add main's body
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let basic_block = context.append_basic_block(main_fn, "entry");
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builder.position_at_end(basic_block);
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let ret = roc_gen::llvm::build::build_expr(
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&env,
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&mut layout_ids,
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&ImMap::default(),
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main_fn,
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&main_body,
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);
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builder.build_return(Some(&ret));
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// Uncomment this to see the module's un-optimized LLVM instruction output:
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// env.module.print_to_stderr();
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if main_fn.verify(true) {
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fpm.run_on(&main_fn);
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} else {
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panic!("Function {} failed LLVM verification.", main_fn_name);
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}
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// Verify the module
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if let Err(errors) = env.module.verify() {
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panic!("Errors defining module: {:?}", errors);
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}
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// Uncomment this to see the module's optimized LLVM instruction output:
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// env.module.print_to_stderr();
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unsafe {
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let main: JitFunction<unsafe extern "C" fn() -> $ty> = execution_engine
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.get_function(main_fn_name)
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.ok()
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.ok_or(format!("Unable to JIT compile `{}`", main_fn_name))
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.expect("errored");
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assert_eq!($transform(main.call()), $expected);
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}
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};
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}
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// TODO this is almost all code duplication with assert_llvm_evals_to
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// the only difference is that this calls uniq_expr instead of can_expr.
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// Should extract the common logic into test helpers.
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#[macro_export]
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macro_rules! assert_opt_evals_to {
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($src:expr, $expected:expr, $ty:ty, $transform:expr) => {
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let arena = Bump::new();
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let target = target_lexicon::Triple::host();
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let ptr_bytes = target.pointer_width().unwrap().bytes() as u32;
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let (loc_expr, _output, problems, subs, var, constraint, home, interns) = uniq_expr($src);
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let errors = problems.into_iter().filter(|problem| {
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use roc_problem::can::Problem::*;
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// Ignore "unused" problems
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match problem {
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UnusedDef(_, _) | UnusedArgument(_, _, _) | UnusedImport(_, _) => false,
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_ => true,
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}
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}).collect::<Vec<roc_problem::can::Problem>>();
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assert_eq!(errors, Vec::new(), "Encountered errors: {:?}", errors);
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let mut unify_problems = Vec::new();
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let (content, mut subs) = infer_expr(subs, &mut unify_problems, &constraint, var);
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assert_eq!(unify_problems, Vec::new(), "Encountered one or more type mismatches: {:?}", unify_problems);
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let context = Context::create();
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let module = roc_gen::llvm::build::module_from_builtins(&context, "app");
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let builder = context.create_builder();
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let opt_level = if cfg!(debug_assertions) {
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roc_gen::llvm::build::OptLevel::Normal
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} else {
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roc_gen::llvm::build::OptLevel::Optimize
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};
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let fpm = PassManager::create(&module);
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roc_gen::llvm::build::add_passes(&fpm, opt_level);
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fpm.initialize();
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// Compute main_fn_type before moving subs to Env
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let layout = Layout::new(&arena, content, &subs, ptr_bytes)
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.unwrap_or_else(|err| panic!("Code gen error in test: could not convert to layout. Err was {:?} and Subs were {:?}", err, subs));
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let execution_engine =
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module
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.create_jit_execution_engine(OptimizationLevel::None)
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.expect("Error creating JIT execution engine for test");
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let main_fn_type = basic_type_from_layout(&arena, &context, &layout, ptr_bytes)
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.fn_type(&[], false);
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let main_fn_name = "$Test.main";
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// Compile and add all the Procs before adding main
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let mut env = roc_gen::llvm::build::Env {
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arena: &arena,
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builder: &builder,
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context: &context,
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interns,
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module: arena.alloc(module),
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ptr_bytes
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};
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let mut procs = Procs::default();
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let mut ident_ids = env.interns.all_ident_ids.remove(&home).unwrap();
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let mut layout_ids = roc_gen::layout_id::LayoutIds::default();
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// Populate Procs and get the low-level Expr from the canonical Expr
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let mut mono_problems = Vec::new();
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let mut mono_env = roc_mono::expr::Env {
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arena: &arena,
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subs: &mut subs,
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problems: &mut mono_problems,
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home,
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ident_ids: &mut ident_ids,
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pointer_size: ptr_bytes,
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jump_counter: arena.alloc(0),
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};
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let main_body = Expr::new(&mut mono_env, loc_expr.value, &mut procs);
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let mut headers = Vec::with_capacity(procs.pending_specializations.len());
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let mut layout_cache = roc_mono::layout::LayoutCache::default();
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let (mut specializations, runtime_errors) =
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roc_mono::expr::specialize_all(&mut mono_env, procs, &mut layout_cache);
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assert_eq!(runtime_errors, roc_collections::all::MutSet::default());
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// Put this module's ident_ids back in the interns, so we can use them in env.
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// This must happen *after* building the headers, because otherwise there's
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// a conflicting mutable borrow on ident_ids.
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env.interns.all_ident_ids.insert(home, ident_ids);
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// Add all the Proc headers to the module.
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// We have to do this in a separate pass first,
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// because their bodies may reference each other.
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for ((symbol, layout), proc) in specializations.drain() {
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let (fn_val, arg_basic_types) =
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build_proc_header(&env, &mut layout_ids, symbol, &layout, &proc);
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headers.push((proc, fn_val, arg_basic_types));
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}
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// Build each proc using its header info.
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for (proc, fn_val, arg_basic_types) in headers {
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build_proc(&env, &mut layout_ids, proc, fn_val, arg_basic_types);
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if fn_val.verify(true) {
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fpm.run_on(&fn_val);
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} else {
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eprintln!(
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"\n\nFunction {:?} failed LLVM verification in OPTIMIZED build. Its content was:\n", fn_val.get_name().to_str().unwrap()
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);
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fn_val.print_to_stderr();
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panic!(
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"The preceding code was from {:?}, which failed LLVM verification in OPTIMIZED build.", fn_val.get_name().to_str().unwrap()
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);
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}
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}
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// Add main to the module.
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let main_fn = env.module.add_function(main_fn_name, main_fn_type, None);
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let cc = roc_gen::llvm::build::get_call_conventions(target.default_calling_convention().unwrap());
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main_fn.set_call_conventions(cc);
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// Add main's body
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let basic_block = context.append_basic_block(main_fn, "entry");
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builder.position_at_end(basic_block);
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let ret = roc_gen::llvm::build::build_expr(
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&env,
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&mut layout_ids,
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&ImMap::default(),
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main_fn,
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&main_body,
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);
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builder.build_return(Some(&ret));
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// Uncomment this to see the module's un-optimized LLVM instruction output:
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// env.module.print_to_stderr();
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if main_fn.verify(true) {
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fpm.run_on(&main_fn);
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} else {
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panic!("Function {} failed LLVM verification.", main_fn_name);
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}
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// Verify the module
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if let Err(errors) = env.module.verify() {
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panic!("Errors defining module: {:?}", errors);
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}
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// Uncomment this to see the module's optimized LLVM instruction output:
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// env.module.print_to_stderr();
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unsafe {
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let main: JitFunction<unsafe extern "C" fn() -> $ty> = execution_engine
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.get_function(main_fn_name)
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.ok()
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.ok_or(format!("Unable to JIT compile `{}`", main_fn_name))
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.expect("errored");
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assert_eq!($transform(main.call()), $expected);
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}
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};
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}
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#[macro_export]
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macro_rules! assert_evals_to {
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($src:expr, $expected:expr, $ty:ty) => {
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// Run un-optimized tests, and then optimized tests, in separate scopes.
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// These each rebuild everything from scratch, starting with
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// parsing the source, so that there's no chance their passing
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// or failing depends on leftover state from the previous one.
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{
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assert_llvm_evals_to!($src, $expected, $ty, (|val| val));
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}
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{
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assert_opt_evals_to!($src, $expected, $ty, (|val| val));
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}
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};
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($src:expr, $expected:expr, $ty:ty, $transform:expr) => {
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// Same as above, except with an additional transformation argument.
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{
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assert_llvm_evals_to!($src, $expected, $ty, $transform);
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}
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{
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assert_opt_evals_to!($src, $expected, $ty, $transform);
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}
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};
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}
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