mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-15 07:05:41 +00:00
1721 lines
70 KiB
Rust
1721 lines
70 KiB
Rust
use inkwell::{
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builder::Builder,
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context::Context,
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module::Module,
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passes::PassManager,
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types::{BasicType, BasicTypeEnum, FunctionType, PointerType},
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values::{BasicValue, FunctionValue, PhiValue, PointerValue},
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AddressSpace, FloatPredicate, IntPredicate,
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};
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use smallvec::SmallVec;
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use wasmer_runtime_core::{
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memory::MemoryType,
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module::ModuleInfo,
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structures::{Map, SliceMap, TypedIndex},
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types::{
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FuncIndex, FuncSig, GlobalIndex, LocalFuncIndex, LocalOrImport, MemoryIndex, SigIndex, Type,
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},
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};
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use wasmparser::{
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BinaryReaderError, CodeSectionReader, LocalsReader, MemoryImmediate, Operator, OperatorsReader,
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};
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use crate::intrinsics::{CtxType, GlobalCache, Intrinsics};
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use crate::read_info::type_to_type;
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use crate::state::{ControlFrame, IfElseState, State};
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fn func_sig_to_llvm(context: &Context, intrinsics: &Intrinsics, sig: &FuncSig) -> FunctionType {
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let user_param_types = sig.params().iter().map(|&ty| type_to_llvm(intrinsics, ty));
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let param_types: Vec<_> = std::iter::once(intrinsics.ctx_ptr_ty.as_basic_type_enum())
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.chain(user_param_types)
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.collect();
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match sig.returns() {
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&[] => intrinsics.void_ty.fn_type(¶m_types, false),
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&[single_value] => type_to_llvm(intrinsics, single_value).fn_type(¶m_types, false),
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returns @ _ => {
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let basic_types: Vec<_> = returns
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.iter()
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.map(|&ty| type_to_llvm(intrinsics, ty))
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.collect();
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context
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.struct_type(&basic_types, false)
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.fn_type(¶m_types, false)
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}
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}
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}
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fn type_to_llvm(intrinsics: &Intrinsics, ty: Type) -> BasicTypeEnum {
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match ty {
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Type::I32 => intrinsics.i32_ty.as_basic_type_enum(),
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Type::I64 => intrinsics.i64_ty.as_basic_type_enum(),
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Type::F32 => intrinsics.f32_ty.as_basic_type_enum(),
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Type::F64 => intrinsics.f64_ty.as_basic_type_enum(),
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}
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}
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pub fn parse_function_bodies(
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info: &ModuleInfo,
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code_reader: CodeSectionReader,
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) -> Result<(Module, Intrinsics), BinaryReaderError> {
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let context = Context::create();
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let module = context.create_module("module");
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let builder = context.create_builder();
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let intrinsics = Intrinsics::declare(&module, &context);
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let signatures: Map<SigIndex, FunctionType> = info
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.signatures
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.iter()
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.map(|(_, sig)| func_sig_to_llvm(&context, &intrinsics, sig))
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.collect();
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let functions: Map<LocalFuncIndex, FunctionValue> = info
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.func_assoc
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.iter()
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.skip(info.imported_functions.len())
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.map(|(func_index, &sig_index)| {
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module.add_function(
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&format!("fn{}", func_index.index()),
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signatures[sig_index],
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None,
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)
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})
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.collect();
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for (local_func_index, body) in code_reader.into_iter().enumerate() {
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let body = body?;
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let locals_reader = body.get_locals_reader()?;
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let op_reader = body.get_operators_reader()?;
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parse_function(
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&context,
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&module,
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&builder,
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&intrinsics,
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info,
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&signatures,
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&functions,
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LocalFuncIndex::new(local_func_index),
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locals_reader,
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op_reader,
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)?;
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}
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let pass_manager = PassManager::create_for_module();
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pass_manager.add_promote_memory_to_register_pass();
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pass_manager.add_cfg_simplification_pass();
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pass_manager.add_instruction_combining_pass();
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// pass_manager.add_aggressive_inst_combiner_pass();
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// pass_manager.add_merged_load_store_motion_pass();
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// pass_manager.add_sccp_pass();
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pass_manager.add_gvn_pass();
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pass_manager.add_new_gvn_pass();
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pass_manager.add_aggressive_dce_pass();
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pass_manager.add_verifier_pass();
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pass_manager.run_on_module(&module);
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println!("{}", module.print_to_string().to_string());
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Ok((module, intrinsics))
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}
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fn parse_function(
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context: &Context,
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module: &Module,
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builder: &Builder,
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intrinsics: &Intrinsics,
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info: &ModuleInfo,
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signatures: &SliceMap<SigIndex, FunctionType>,
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functions: &SliceMap<LocalFuncIndex, FunctionValue>,
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func_index: LocalFuncIndex,
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locals_reader: LocalsReader,
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op_reader: OperatorsReader,
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) -> Result<(), BinaryReaderError> {
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let sig_index = info.func_assoc[func_index.convert_up(info)];
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let func_sig = &info.signatures[sig_index];
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let llvm_sig = &signatures[sig_index];
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let function = functions[func_index];
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let mut state = State::new();
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let entry_block = context.append_basic_block(&function, "entry");
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let return_block = context.append_basic_block(&function, "return");
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builder.position_at_end(&return_block);
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let phis: SmallVec<[PhiValue; 1]> = func_sig
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.returns()
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.iter()
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.map(|&wasmer_ty| type_to_llvm(intrinsics, wasmer_ty))
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.map(|ty| builder.build_phi(ty, &state.var_name()))
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.collect();
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match phis.as_slice() {
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// No returns.
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&[] => {
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builder.build_return(None);
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}
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&[one_value] => {
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let value = one_value.as_basic_value();
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builder.build_return(Some(&value));
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}
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returns @ _ => {
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// let struct_ty = llvm_sig.get_return_type().as_struct_type();
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// let ret_struct = struct_ty.const_zero();
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unimplemented!("multi-value returns not yet implemented")
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}
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}
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state.push_block(return_block, phis);
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builder.position_at_end(&entry_block);
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let mut ctx = intrinsics.ctx(info, builder, &function);
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let mut locals = Vec::with_capacity(locals_reader.get_count() as usize);
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locals.extend(
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function
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.get_param_iter()
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.skip(1)
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.enumerate()
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.map(|(index, param)| {
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let ty = param.get_type();
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let alloca = builder.build_alloca(ty, &format!("local{}", index));
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builder.build_store(alloca, param);
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alloca
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}),
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);
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for (index, local) in locals_reader.into_iter().enumerate().skip(locals.len()) {
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let (_, ty) = local?;
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let wasmer_ty = type_to_type(ty)?;
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let ty = type_to_llvm(intrinsics, wasmer_ty);
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let alloca = builder.build_alloca(ty, &format!("local{}", index));
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let default_value = match wasmer_ty {
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Type::I32 => intrinsics.i32_zero.as_basic_value_enum(),
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Type::I64 => intrinsics.i64_zero.as_basic_value_enum(),
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Type::F32 => intrinsics.f32_zero.as_basic_value_enum(),
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Type::F64 => intrinsics.f64_zero.as_basic_value_enum(),
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};
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builder.build_store(alloca, default_value);
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locals.push(alloca);
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}
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for op in op_reader {
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match op? {
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/***************************
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* Control Flow instructions.
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* https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#control-flow-instructions
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***************************/
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Operator::Block { ty } => {
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let current_block = builder.get_insert_block().ok_or(BinaryReaderError {
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message: "not currently in a block",
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offset: -1isize as usize,
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})?;
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let end_block = context.append_basic_block(&function, "end");
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builder.position_at_end(&end_block);
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let phis = if let Ok(wasmer_ty) = type_to_type(ty) {
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let llvm_ty = type_to_llvm(intrinsics, wasmer_ty);
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[llvm_ty]
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.iter()
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.map(|&ty| builder.build_phi(ty, &state.var_name()))
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.collect()
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} else {
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SmallVec::new()
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};
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state.push_block(end_block, phis);
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builder.position_at_end(¤t_block);
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}
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Operator::Loop { ty } => {
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let loop_body = context.append_basic_block(&function, "loop_body");
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let loop_next = context.append_basic_block(&function, "loop_outer");
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builder.build_unconditional_branch(&loop_body);
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builder.position_at_end(&loop_next);
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let phis = if let Ok(wasmer_ty) = type_to_type(ty) {
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let llvm_ty = type_to_llvm(intrinsics, wasmer_ty);
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[llvm_ty]
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.iter()
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.map(|&ty| builder.build_phi(ty, &state.var_name()))
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.collect()
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} else {
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SmallVec::new()
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};
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builder.position_at_end(&loop_body);
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state.push_loop(loop_body, loop_next, phis);
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}
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Operator::Br { relative_depth } => {
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let frame = state.frame_at_depth(relative_depth)?;
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let current_block = builder.get_insert_block().ok_or(BinaryReaderError {
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message: "not currently in a block",
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offset: -1isize as usize,
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})?;
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let value_len = if frame.is_loop() {
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0
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} else {
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frame.phis().len()
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};
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let values = state.peekn(value_len)?;
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// For each result of the block we're branching to,
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// pop a value off the value stack and load it into
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// the corresponding phi.
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for (phi, value) in frame.phis().iter().zip(values.iter()) {
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phi.add_incoming(&[(value, ¤t_block)]);
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}
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builder.build_unconditional_branch(frame.br_dest());
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state.popn(value_len)?;
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state.reachable = false;
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}
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Operator::BrIf { relative_depth } => {
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let cond = state.pop1()?;
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let frame = state.frame_at_depth(relative_depth)?;
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let current_block = builder.get_insert_block().ok_or(BinaryReaderError {
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message: "not currently in a block",
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offset: -1isize as usize,
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})?;
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let value_len = if frame.is_loop() {
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0
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} else {
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frame.phis().len()
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};
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let param_stack = state.peekn(value_len)?;
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for (phi, value) in frame.phis().iter().zip(param_stack.iter()) {
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phi.add_incoming(&[(value, ¤t_block)]);
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}
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let else_block = context.append_basic_block(&function, "else");
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let cond_value = builder.build_int_compare(
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IntPredicate::NE,
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cond.into_int_value(),
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intrinsics.i32_zero,
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&state.var_name(),
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);
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builder.build_conditional_branch(cond_value, frame.br_dest(), &else_block);
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builder.position_at_end(&else_block);
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}
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Operator::BrTable { ref table } => {
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let current_block = builder.get_insert_block().ok_or(BinaryReaderError {
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message: "not currently in a block",
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offset: -1isize as usize,
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})?;
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let (label_depths, default_depth) = table.read_table()?;
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let index = state.pop1()?;
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let default_frame = state.frame_at_depth(default_depth)?;
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let res_len = default_frame.phis().len();
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let args = state.peekn(res_len)?;
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for (phi, value) in default_frame.phis().iter().zip(args.iter()) {
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phi.add_incoming(&[(value, ¤t_block)]);
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}
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let cases: Vec<_> = label_depths
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.iter()
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.enumerate()
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.map(|(case_index, &depth)| {
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let frame = state.frame_at_depth(depth)?;
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let case_index_literal =
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context.i32_type().const_int(case_index as u64, false);
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for (phi, value) in frame.phis().iter().zip(args.iter()) {
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phi.add_incoming(&[(value, ¤t_block)]);
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}
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Ok((case_index_literal, frame.br_dest()))
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})
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.collect::<Result<_, _>>()?;
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builder.build_switch(index.into_int_value(), default_frame.br_dest(), &cases[..]);
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state.popn(res_len)?;
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builder.build_unreachable();
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}
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Operator::If { ty } => {
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let current_block = builder.get_insert_block().ok_or(BinaryReaderError {
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message: "not currently in a block",
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offset: -1isize as usize,
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})?;
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let if_then_block = context.append_basic_block(&function, "if_then");
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let if_else_block = context.append_basic_block(&function, "if_else");
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let end_block = context.append_basic_block(&function, "if_end");
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let end_phis = {
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builder.position_at_end(&end_block);
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let phis = if let Ok(wasmer_ty) = type_to_type(ty) {
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let llvm_ty = type_to_llvm(intrinsics, wasmer_ty);
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[llvm_ty]
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.iter()
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.map(|&ty| builder.build_phi(ty, &state.var_name()))
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.collect()
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} else {
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SmallVec::new()
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};
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builder.position_at_end(¤t_block);
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phis
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};
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let cond = state.pop1()?;
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let cond_value = builder.build_int_compare(
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IntPredicate::NE,
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cond.into_int_value(),
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intrinsics.i32_zero,
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&state.var_name(),
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);
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builder.build_conditional_branch(cond_value, &if_then_block, &if_else_block);
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builder.position_at_end(&if_then_block);
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state.push_if(if_then_block, if_else_block, end_block, end_phis);
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}
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Operator::Else => {
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if state.reachable {
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let frame = state.frame_at_depth(0)?;
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builder.build_unconditional_branch(frame.code_after());
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let current_block = builder.get_insert_block().ok_or(BinaryReaderError {
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message: "not currently in a block",
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offset: -1isize as usize,
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})?;
|
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for phi in frame.phis().to_vec().iter().rev() {
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let value = state.pop1()?;
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phi.add_incoming(&[(&value, ¤t_block)])
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}
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}
|
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let (if_else_block, if_else_state) = if let ControlFrame::IfElse {
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if_else,
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if_else_state,
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..
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} = state.frame_at_depth_mut(0)?
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{
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(if_else, if_else_state)
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} else {
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unreachable!()
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};
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*if_else_state = IfElseState::Else;
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builder.position_at_end(if_else_block);
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state.reachable = true;
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}
|
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Operator::End => {
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let frame = state.pop_frame()?;
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let current_block = builder.get_insert_block().ok_or(BinaryReaderError {
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message: "not currently in a block",
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offset: -1isize as usize,
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})?;
|
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|
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if state.reachable {
|
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builder.build_unconditional_branch(frame.code_after());
|
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|
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for phi in frame.phis().iter().rev() {
|
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let value = state.pop1()?;
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phi.add_incoming(&[(&value, ¤t_block)])
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}
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}
|
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|
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if let ControlFrame::IfElse {
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if_else,
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next,
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phis,
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if_else_state,
|
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..
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} = &frame
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{
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if let IfElseState::If = if_else_state {
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builder.position_at_end(if_else);
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builder.build_unconditional_branch(next);
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}
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}
|
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|
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builder.position_at_end(frame.code_after());
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state.reset_stack(&frame);
|
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state.reachable = true;
|
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|
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// Push each phi value to the value stack.
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for phi in frame.phis() {
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state.push1(phi.as_basic_value());
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}
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}
|
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Operator::Return => {
|
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let frame = state.outermost_frame()?;
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builder.build_unconditional_branch(frame.br_dest());
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state.reachable = false;
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}
|
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|
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Operator::Unreachable => {
|
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// Emit an unreachable instruction.
|
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// If llvm cannot prove that this is never touched,
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// it will emit a `ud2` instruction on x86_64 arches.
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builder.build_unreachable();
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state.reachable = false;
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}
|
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|
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/***************************
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* Basic instructions.
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* https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#basic-instructions
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***************************/
|
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Operator::Nop => {
|
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// Do nothing.
|
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}
|
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Operator::Drop => {
|
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state.pop1()?;
|
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}
|
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|
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// Generate const values.
|
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Operator::I32Const { value } => {
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let i = intrinsics.i32_ty.const_int(value as u64, false);
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state.push1(i);
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}
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Operator::I64Const { value } => {
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let i = intrinsics.i64_ty.const_int(value as u64, false);
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state.push1(i);
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}
|
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Operator::F32Const { value } => {
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let f = intrinsics
|
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.f32_ty
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.const_float(f64::from_bits(value.bits() as u64));
|
|
state.push1(f);
|
|
}
|
|
Operator::F64Const { value } => {
|
|
let f = intrinsics.f64_ty.const_float(f64::from_bits(value.bits()));
|
|
state.push1(f);
|
|
}
|
|
|
|
// Operate on locals.
|
|
Operator::GetLocal { local_index } => {
|
|
let pointer_value = locals[local_index as usize];
|
|
let v = builder.build_load(pointer_value, &state.var_name());
|
|
state.push1(v);
|
|
}
|
|
Operator::SetLocal { local_index } => {
|
|
let pointer_value = locals[local_index as usize];
|
|
let v = state.pop1()?;
|
|
builder.build_store(pointer_value, v);
|
|
}
|
|
Operator::TeeLocal { local_index } => {
|
|
let pointer_value = locals[local_index as usize];
|
|
let v = state.peek1()?;
|
|
builder.build_store(pointer_value, v);
|
|
}
|
|
|
|
Operator::GetGlobal { global_index } => {
|
|
let index = GlobalIndex::new(global_index as usize);
|
|
let global_cache = ctx.global_cache(index);
|
|
match global_cache {
|
|
GlobalCache::Const { value } => {
|
|
state.push1(value.as_basic_value_enum());
|
|
}
|
|
GlobalCache::Mut { ptr_to_value } => {
|
|
let value = builder.build_load(ptr_to_value, "global_value");
|
|
state.push1(value);
|
|
}
|
|
}
|
|
}
|
|
Operator::SetGlobal { global_index } => {
|
|
let value = state.pop1()?;
|
|
let index = GlobalIndex::new(global_index as usize);
|
|
let global_cache = ctx.global_cache(index);
|
|
match global_cache {
|
|
GlobalCache::Mut { ptr_to_value } => {
|
|
builder.build_store(ptr_to_value, value);
|
|
}
|
|
GlobalCache::Const { value: _ } => {
|
|
unreachable!("cannot set non-mutable globals")
|
|
}
|
|
}
|
|
}
|
|
|
|
Operator::Select => {
|
|
let (v1, v2, cond) = state.pop3()?;
|
|
let cond = cond.into_int_value();
|
|
let res = builder.build_select(cond, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::Call { function_index } => {
|
|
let func_index = FuncIndex::new(function_index as usize);
|
|
let sigindex = info.func_assoc[func_index];
|
|
let llvm_sig = signatures[sigindex];
|
|
let func_sig = &info.signatures[sig_index];
|
|
|
|
let call_site = match func_index.local_or_import(info) {
|
|
LocalOrImport::Local(local_func_index) => {
|
|
let func_value = functions[local_func_index];
|
|
let params: Vec<_> = [ctx.basic()]
|
|
.iter()
|
|
.chain(state.peekn(func_sig.params().len())?.iter())
|
|
.map(|v| *v)
|
|
.collect();
|
|
|
|
builder.build_call(func_value, ¶ms, &state.var_name())
|
|
}
|
|
LocalOrImport::Import(import_func_index) => {
|
|
let (func_ptr_untyped, ctx_ptr) = ctx.imported_func(import_func_index);
|
|
let params: Vec<_> = [ctx_ptr.as_basic_value_enum()]
|
|
.iter()
|
|
.chain(state.peekn(func_sig.params().len())?.iter())
|
|
.map(|v| *v)
|
|
.collect();
|
|
|
|
let func_ptr_ty = llvm_sig.ptr_type(AddressSpace::Generic);
|
|
|
|
// Once we can just bitcast between pointer types, remove this.
|
|
let func_ptr = {
|
|
let ptr_int = builder.build_ptr_to_int(
|
|
func_ptr_untyped,
|
|
intrinsics.i64_ty,
|
|
"func_ptr_int",
|
|
);
|
|
builder.build_int_to_ptr(ptr_int, func_ptr_ty, "typed_func_ptr")
|
|
};
|
|
|
|
builder.build_call(func_ptr, ¶ms, &state.var_name())
|
|
}
|
|
};
|
|
|
|
if let Some(basic_value) = call_site.try_as_basic_value().left() {
|
|
match func_sig.returns().len() {
|
|
1 => state.push1(basic_value),
|
|
count @ _ => {
|
|
// This is a multi-value return.
|
|
let struct_value = basic_value.into_struct_value();
|
|
for i in 0..(count as u32) {
|
|
let value =
|
|
builder.build_extract_value(struct_value, i, &state.var_name());
|
|
state.push1(value);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
Operator::CallIndirect { index, table_index } => {
|
|
unimplemented!("{}, {}", index, table_index);
|
|
}
|
|
|
|
/***************************
|
|
* Integer Arithmetic instructions.
|
|
* https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#integer-arithmetic-instructions
|
|
***************************/
|
|
Operator::I32Add | Operator::I64Add => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_add(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Sub | Operator::I64Sub => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_sub(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Mul | Operator::I64Mul => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_mul(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32DivS | Operator::I64DivS => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_signed_div(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32DivU | Operator::I64DivU => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_unsigned_div(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32RemS | Operator::I64RemS => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_signed_rem(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32RemU | Operator::I64RemU => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_unsigned_rem(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32And | Operator::I64And => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_and(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Or | Operator::I64Or => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_or(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Xor | Operator::I64Xor => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_xor(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Shl | Operator::I64Shl => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_left_shift(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32ShrS | Operator::I64ShrS => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_right_shift(v1, v2, true, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32ShrU | Operator::I64ShrU => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_right_shift(v1, v2, false, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Rotl => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let lhs = builder.build_left_shift(v1, v2, &state.var_name());
|
|
let rhs = {
|
|
let int_width = intrinsics.i32_ty.const_int(32 as u64, false);
|
|
let rhs = builder.build_int_sub(int_width, v2, &state.var_name());
|
|
builder.build_right_shift(v1, rhs, false, &state.var_name())
|
|
};
|
|
let res = builder.build_or(lhs, rhs, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I64Rotl => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let lhs = builder.build_left_shift(v1, v2, &state.var_name());
|
|
let rhs = {
|
|
let int_width = intrinsics.i64_ty.const_int(64 as u64, false);
|
|
let rhs = builder.build_int_sub(int_width, v2, &state.var_name());
|
|
builder.build_right_shift(v1, rhs, false, &state.var_name())
|
|
};
|
|
let res = builder.build_or(lhs, rhs, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Rotr => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let lhs = builder.build_right_shift(v1, v2, false, &state.var_name());
|
|
let rhs = {
|
|
let int_width = intrinsics.i32_ty.const_int(32 as u64, false);
|
|
let rhs = builder.build_int_sub(int_width, v2, &state.var_name());
|
|
builder.build_left_shift(v1, rhs, &state.var_name())
|
|
};
|
|
let res = builder.build_or(lhs, rhs, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I64Rotr => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let lhs = builder.build_right_shift(v1, v2, false, &state.var_name());
|
|
let rhs = {
|
|
let int_width = intrinsics.i64_ty.const_int(64 as u64, false);
|
|
let rhs = builder.build_int_sub(int_width, v2, &state.var_name());
|
|
builder.build_left_shift(v1, rhs, &state.var_name())
|
|
};
|
|
let res = builder.build_or(lhs, rhs, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Clz => {
|
|
let input = state.pop1()?;
|
|
let ensure_defined_zero = intrinsics
|
|
.i1_ty
|
|
.const_int(1 as u64, false)
|
|
.as_basic_value_enum();
|
|
let res = builder
|
|
.build_call(
|
|
intrinsics.ctlz_i32,
|
|
&[input, ensure_defined_zero],
|
|
&state.var_name(),
|
|
)
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::I64Clz => {
|
|
let input = state.pop1()?;
|
|
let ensure_defined_zero = intrinsics
|
|
.i1_ty
|
|
.const_int(1 as u64, false)
|
|
.as_basic_value_enum();
|
|
let res = builder
|
|
.build_call(
|
|
intrinsics.ctlz_i64,
|
|
&[input, ensure_defined_zero],
|
|
&state.var_name(),
|
|
)
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Ctz => {
|
|
let input = state.pop1()?;
|
|
let ensure_defined_zero = intrinsics
|
|
.i1_ty
|
|
.const_int(1 as u64, false)
|
|
.as_basic_value_enum();
|
|
let res = builder
|
|
.build_call(
|
|
intrinsics.cttz_i32,
|
|
&[input, ensure_defined_zero],
|
|
&state.var_name(),
|
|
)
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::I64Ctz => {
|
|
let input = state.pop1()?;
|
|
let ensure_defined_zero = intrinsics
|
|
.i1_ty
|
|
.const_int(1 as u64, false)
|
|
.as_basic_value_enum();
|
|
let res = builder
|
|
.build_call(
|
|
intrinsics.cttz_i64,
|
|
&[input, ensure_defined_zero],
|
|
&state.var_name(),
|
|
)
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Popcnt => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.ctpop_i32, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::I64Popcnt => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.ctpop_i64, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Eqz => {
|
|
let input = state.pop1()?.into_int_value();
|
|
let res = builder.build_int_compare(
|
|
IntPredicate::EQ,
|
|
input,
|
|
intrinsics.i32_zero,
|
|
&state.var_name(),
|
|
);
|
|
state.push1(res);
|
|
}
|
|
Operator::I64Eqz => {
|
|
let input = state.pop1()?.into_int_value();
|
|
let res = builder.build_int_compare(
|
|
IntPredicate::EQ,
|
|
input,
|
|
intrinsics.i64_zero,
|
|
&state.var_name(),
|
|
);
|
|
state.push1(res);
|
|
}
|
|
|
|
/***************************
|
|
* Floating-Point Arithmetic instructions.
|
|
* https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#floating-point-arithmetic-instructions
|
|
***************************/
|
|
Operator::F32Add | Operator::F64Add => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_float_value(), v2.into_float_value());
|
|
let res = builder.build_float_add(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Sub | Operator::F64Sub => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_float_value(), v2.into_float_value());
|
|
let res = builder.build_float_sub(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Mul | Operator::F64Mul => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_float_value(), v2.into_float_value());
|
|
let res = builder.build_float_mul(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Div | Operator::F64Div => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_float_value(), v2.into_float_value());
|
|
let res = builder.build_float_div(v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Sqrt => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.sqrt_f32, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F64Sqrt => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.sqrt_f64, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Min => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let res = builder
|
|
.build_call(intrinsics.minimum_f32, &[v1, v2], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F64Min => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let res = builder
|
|
.build_call(intrinsics.minimum_f64, &[v1, v2], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Max => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let res = builder
|
|
.build_call(intrinsics.maximum_f32, &[v1, v2], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F64Max => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let res = builder
|
|
.build_call(intrinsics.maximum_f64, &[v1, v2], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Ceil => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.ceil_f32, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F64Ceil => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.ceil_f64, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Floor => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.floor_f32, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F64Floor => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.floor_f64, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Trunc => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.trunc_f32, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F64Trunc => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.trunc_f64, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Nearest => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.nearbyint_f32, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F64Nearest => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.nearbyint_f64, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Abs => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.fabs_f32, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F64Abs => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.fabs_f64, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Neg | Operator::F64Neg => {
|
|
let input = state.pop1()?.into_float_value();
|
|
let res = builder.build_float_neg(input, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Copysign => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.copysign_f32, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
Operator::F64Copysign => {
|
|
let input = state.pop1()?;
|
|
let res = builder
|
|
.build_call(intrinsics.copysign_f64, &[input], &state.var_name())
|
|
.try_as_basic_value()
|
|
.left()
|
|
.unwrap();
|
|
state.push1(res);
|
|
}
|
|
|
|
/***************************
|
|
* Integer Comparison instructions.
|
|
* https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#integer-comparison-instructions
|
|
***************************/
|
|
Operator::I32Eq | Operator::I64Eq => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_compare(IntPredicate::EQ, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32Ne | Operator::I64Ne => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_compare(IntPredicate::NE, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32LtS | Operator::I64LtS => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_compare(IntPredicate::SLT, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32LtU | Operator::I64LtU => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_compare(IntPredicate::ULT, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32LeS | Operator::I64LeS => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_compare(IntPredicate::SLE, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32LeU | Operator::I64LeU => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_compare(IntPredicate::ULE, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32GtS | Operator::I64GtS => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_compare(IntPredicate::SGT, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32GtU | Operator::I64GtU => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_compare(IntPredicate::UGT, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32GeS | Operator::I64GeS => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_compare(IntPredicate::SGE, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32GeU | Operator::I64GeU => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_int_value(), v2.into_int_value());
|
|
let res = builder.build_int_compare(IntPredicate::UGE, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
|
|
/***************************
|
|
* Floating-Point Comparison instructions.
|
|
* https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#floating-point-comparison-instructions
|
|
***************************/
|
|
Operator::F32Eq | Operator::F64Eq => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_float_value(), v2.into_float_value());
|
|
let res =
|
|
builder.build_float_compare(FloatPredicate::OEQ, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Ne | Operator::F64Ne => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_float_value(), v2.into_float_value());
|
|
let res =
|
|
builder.build_float_compare(FloatPredicate::UNE, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Lt | Operator::F64Lt => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_float_value(), v2.into_float_value());
|
|
let res =
|
|
builder.build_float_compare(FloatPredicate::OLT, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Le | Operator::F64Le => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_float_value(), v2.into_float_value());
|
|
let res =
|
|
builder.build_float_compare(FloatPredicate::OLE, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Gt | Operator::F64Gt => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_float_value(), v2.into_float_value());
|
|
let res =
|
|
builder.build_float_compare(FloatPredicate::OGT, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32Ge | Operator::F64Ge => {
|
|
let (v1, v2) = state.pop2()?;
|
|
let (v1, v2) = (v1.into_float_value(), v2.into_float_value());
|
|
let res =
|
|
builder.build_float_compare(FloatPredicate::OGE, v1, v2, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
|
|
/***************************
|
|
* Conversion instructions.
|
|
* https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#conversion-instructions
|
|
***************************/
|
|
Operator::I32WrapI64 => {
|
|
let v1 = state.pop1()?.into_int_value();
|
|
let res = builder.build_int_truncate(v1, intrinsics.i32_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I64ExtendSI32 => {
|
|
let v1 = state.pop1()?.into_int_value();
|
|
let res = builder.build_int_s_extend(v1, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I64ExtendUI32 => {
|
|
let v1 = state.pop1()?.into_int_value();
|
|
let res = builder.build_int_z_extend(v1, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32TruncSF32
|
|
| Operator::I32TruncSF64
|
|
| Operator::I32TruncSSatF32
|
|
| Operator::I32TruncSSatF64 => {
|
|
let v1 = state.pop1()?.into_float_value();
|
|
let res =
|
|
builder.build_float_to_signed_int(v1, intrinsics.i32_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I64TruncSF32
|
|
| Operator::I64TruncSF64
|
|
| Operator::I64TruncSSatF32
|
|
| Operator::I64TruncSSatF64 => {
|
|
let v1 = state.pop1()?.into_float_value();
|
|
let res =
|
|
builder.build_float_to_signed_int(v1, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32TruncUF32
|
|
| Operator::I32TruncUF64
|
|
| Operator::I32TruncUSatF32
|
|
| Operator::I32TruncUSatF64 => {
|
|
let v1 = state.pop1()?.into_float_value();
|
|
let res =
|
|
builder.build_float_to_unsigned_int(v1, intrinsics.i32_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I64TruncUF32
|
|
| Operator::I64TruncUF64
|
|
| Operator::I64TruncUSatF32
|
|
| Operator::I64TruncUSatF64 => {
|
|
let v1 = state.pop1()?.into_float_value();
|
|
let res =
|
|
builder.build_float_to_unsigned_int(v1, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32DemoteF64 => {
|
|
let v1 = state.pop1()?.into_float_value();
|
|
let res = builder.build_float_trunc(v1, intrinsics.f32_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F64PromoteF32 => {
|
|
let v1 = state.pop1()?.into_float_value();
|
|
let res = builder.build_float_ext(v1, intrinsics.f64_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32ConvertSI32 | Operator::F32ConvertSI64 => {
|
|
let v1 = state.pop1()?.into_int_value();
|
|
let res =
|
|
builder.build_signed_int_to_float(v1, intrinsics.f32_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F64ConvertSI32 | Operator::F64ConvertSI64 => {
|
|
let v1 = state.pop1()?.into_int_value();
|
|
let res =
|
|
builder.build_signed_int_to_float(v1, intrinsics.f64_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F32ConvertUI32 | Operator::F32ConvertUI64 => {
|
|
let v1 = state.pop1()?.into_int_value();
|
|
let res =
|
|
builder.build_unsigned_int_to_float(v1, intrinsics.f32_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::F64ConvertUI32 | Operator::F64ConvertUI64 => {
|
|
let v1 = state.pop1()?.into_int_value();
|
|
let res =
|
|
builder.build_unsigned_int_to_float(v1, intrinsics.f64_ty, &state.var_name());
|
|
state.push1(res);
|
|
}
|
|
Operator::I32ReinterpretF32
|
|
| Operator::F32ReinterpretI32
|
|
| Operator::I64ReinterpretF64
|
|
| Operator::F64ReinterpretI64 => {
|
|
unimplemented!("waiting on better bitcasting support in inkwell")
|
|
}
|
|
|
|
/***************************
|
|
* Sign-extension operators.
|
|
* https://github.com/WebAssembly/sign-extension-ops/blob/master/proposals/sign-extension-ops/Overview.md
|
|
***************************/
|
|
Operator::I32Extend8S => {
|
|
let value = state.pop1()?.into_int_value();
|
|
let narrow_value =
|
|
builder.build_int_truncate(value, intrinsics.i8_ty, &state.var_name());
|
|
let extended_value =
|
|
builder.build_int_s_extend(narrow_value, intrinsics.i32_ty, &state.var_name());
|
|
state.push1(extended_value);
|
|
}
|
|
Operator::I32Extend16S => {
|
|
let value = state.pop1()?.into_int_value();
|
|
let narrow_value =
|
|
builder.build_int_truncate(value, intrinsics.i16_ty, &state.var_name());
|
|
let extended_value =
|
|
builder.build_int_s_extend(narrow_value, intrinsics.i32_ty, &state.var_name());
|
|
state.push1(extended_value);
|
|
}
|
|
Operator::I64Extend8S => {
|
|
let value = state.pop1()?.into_int_value();
|
|
let narrow_value =
|
|
builder.build_int_truncate(value, intrinsics.i8_ty, &state.var_name());
|
|
let extended_value =
|
|
builder.build_int_s_extend(narrow_value, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(extended_value);
|
|
}
|
|
Operator::I64Extend16S => {
|
|
let value = state.pop1()?.into_int_value();
|
|
let narrow_value =
|
|
builder.build_int_truncate(value, intrinsics.i16_ty, &state.var_name());
|
|
let extended_value =
|
|
builder.build_int_s_extend(narrow_value, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(extended_value);
|
|
}
|
|
Operator::I64Extend32S => {
|
|
let value = state.pop1()?.into_int_value();
|
|
let narrow_value =
|
|
builder.build_int_truncate(value, intrinsics.i32_ty, &state.var_name());
|
|
let extended_value =
|
|
builder.build_int_s_extend(narrow_value, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(extended_value);
|
|
}
|
|
|
|
/***************************
|
|
* Load and Store instructions.
|
|
* https://github.com/sunfishcode/wasm-reference-manual/blob/master/WebAssembly.md#load-and-store-instructions
|
|
***************************/
|
|
Operator::I32Load { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i32_ptr_ty,
|
|
)?;
|
|
let result = builder.build_load(effective_address, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::I64Load { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i64_ptr_ty,
|
|
)?;
|
|
let result = builder.build_load(effective_address, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::F32Load { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i32_ptr_ty,
|
|
)?;
|
|
let result = builder.build_load(effective_address, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::F64Load { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.f64_ptr_ty,
|
|
)?;
|
|
let result = builder.build_load(effective_address, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
|
|
Operator::I32Store { memarg } => {
|
|
let value = state.pop1()?;
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i32_ptr_ty,
|
|
)?;
|
|
builder.build_store(effective_address, value);
|
|
}
|
|
Operator::I64Store { memarg } => {
|
|
let value = state.pop1()?;
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i64_ptr_ty,
|
|
)?;
|
|
builder.build_store(effective_address, value);
|
|
}
|
|
Operator::F32Store { memarg } => {
|
|
let value = state.pop1()?;
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.f32_ptr_ty,
|
|
)?;
|
|
builder.build_store(effective_address, value);
|
|
}
|
|
Operator::F64Store { memarg } => {
|
|
let value = state.pop1()?;
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.f64_ptr_ty,
|
|
)?;
|
|
builder.build_store(effective_address, value);
|
|
}
|
|
|
|
Operator::I32Load8S { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i8_ptr_ty,
|
|
)?;
|
|
let narrow_result = builder
|
|
.build_load(effective_address, &state.var_name())
|
|
.into_int_value();
|
|
let result =
|
|
builder.build_int_s_extend(narrow_result, intrinsics.i32_ty, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::I32Load16S { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i16_ptr_ty,
|
|
)?;
|
|
let narrow_result = builder
|
|
.build_load(effective_address, &state.var_name())
|
|
.into_int_value();
|
|
let result =
|
|
builder.build_int_s_extend(narrow_result, intrinsics.i32_ty, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::I64Load8S { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i8_ptr_ty,
|
|
)?;
|
|
let narrow_result = builder
|
|
.build_load(effective_address, &state.var_name())
|
|
.into_int_value();
|
|
let result =
|
|
builder.build_int_s_extend(narrow_result, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::I64Load16S { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i16_ptr_ty,
|
|
)?;
|
|
let narrow_result = builder
|
|
.build_load(effective_address, &state.var_name())
|
|
.into_int_value();
|
|
let result =
|
|
builder.build_int_s_extend(narrow_result, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::I64Load32S { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i32_ptr_ty,
|
|
)?;
|
|
let narrow_result = builder
|
|
.build_load(effective_address, &state.var_name())
|
|
.into_int_value();
|
|
let result =
|
|
builder.build_int_s_extend(narrow_result, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
|
|
Operator::I32Load8U { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i8_ptr_ty,
|
|
)?;
|
|
let narrow_result = builder
|
|
.build_load(effective_address, &state.var_name())
|
|
.into_int_value();
|
|
let result =
|
|
builder.build_int_z_extend(narrow_result, intrinsics.i32_ty, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::I32Load16U { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i16_ptr_ty,
|
|
)?;
|
|
let narrow_result = builder
|
|
.build_load(effective_address, &state.var_name())
|
|
.into_int_value();
|
|
let result =
|
|
builder.build_int_z_extend(narrow_result, intrinsics.i32_ty, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::I64Load8U { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i8_ptr_ty,
|
|
)?;
|
|
let narrow_result = builder
|
|
.build_load(effective_address, &state.var_name())
|
|
.into_int_value();
|
|
let result =
|
|
builder.build_int_z_extend(narrow_result, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::I64Load16U { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i16_ptr_ty,
|
|
)?;
|
|
let narrow_result = builder
|
|
.build_load(effective_address, &state.var_name())
|
|
.into_int_value();
|
|
let result =
|
|
builder.build_int_z_extend(narrow_result, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
Operator::I64Load32U { memarg } => {
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i32_ptr_ty,
|
|
)?;
|
|
let narrow_result = builder
|
|
.build_load(effective_address, &state.var_name())
|
|
.into_int_value();
|
|
let result =
|
|
builder.build_int_z_extend(narrow_result, intrinsics.i64_ty, &state.var_name());
|
|
state.push1(result);
|
|
}
|
|
|
|
Operator::I32Store8 { memarg } | Operator::I64Store8 { memarg } => {
|
|
let value = state.pop1()?.into_int_value();
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i8_ptr_ty,
|
|
)?;
|
|
let narrow_value =
|
|
builder.build_int_truncate(value, intrinsics.i8_ty, &state.var_name());
|
|
builder.build_store(effective_address, narrow_value);
|
|
}
|
|
Operator::I32Store16 { memarg } | Operator::I64Store16 { memarg } => {
|
|
let value = state.pop1()?.into_int_value();
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i16_ptr_ty,
|
|
)?;
|
|
let narrow_value =
|
|
builder.build_int_truncate(value, intrinsics.i16_ty, &state.var_name());
|
|
builder.build_store(effective_address, narrow_value);
|
|
}
|
|
Operator::I64Store32 { memarg } => {
|
|
let value = state.pop1()?.into_int_value();
|
|
let effective_address = resolve_memory_ptr(
|
|
builder,
|
|
intrinsics,
|
|
&mut state,
|
|
&mut ctx,
|
|
memarg,
|
|
intrinsics.i32_ptr_ty,
|
|
)?;
|
|
let narrow_value =
|
|
builder.build_int_truncate(value, intrinsics.i32_ty, &state.var_name());
|
|
builder.build_store(effective_address, narrow_value);
|
|
}
|
|
|
|
Operator::MemoryGrow { reserved } => {
|
|
let memory_index = MemoryIndex::new(reserved as usize);
|
|
let func_value = match memory_index.local_or_import(info) {
|
|
LocalOrImport::Local(local_mem_index) => {
|
|
let mem_desc = &info.memories[local_mem_index];
|
|
match mem_desc.memory_type() {
|
|
MemoryType::Dynamic => intrinsics.memory_grow_dynamic_local,
|
|
MemoryType::Static => intrinsics.memory_grow_static_local,
|
|
MemoryType::SharedStatic => intrinsics.memory_grow_shared_local,
|
|
}
|
|
}
|
|
LocalOrImport::Import(import_mem_index) => {
|
|
let mem_desc = &info.imported_memories[import_mem_index].1;
|
|
match mem_desc.memory_type() {
|
|
MemoryType::Dynamic => intrinsics.memory_grow_dynamic_import,
|
|
MemoryType::Static => intrinsics.memory_grow_static_import,
|
|
MemoryType::SharedStatic => intrinsics.memory_grow_shared_import,
|
|
}
|
|
}
|
|
};
|
|
|
|
let memory_index_const = intrinsics
|
|
.i32_ty
|
|
.const_int(reserved as u64, false)
|
|
.as_basic_value_enum();
|
|
let delta = state.pop1()?;
|
|
|
|
let result = builder.build_call(
|
|
func_value,
|
|
&[ctx.basic(), memory_index_const, delta],
|
|
&state.var_name(),
|
|
);
|
|
state.push1(result.try_as_basic_value().left().unwrap());
|
|
}
|
|
Operator::MemorySize { reserved } => {
|
|
let memory_index = MemoryIndex::new(reserved as usize);
|
|
let func_value = match memory_index.local_or_import(info) {
|
|
LocalOrImport::Local(local_mem_index) => {
|
|
let mem_desc = &info.memories[local_mem_index];
|
|
match mem_desc.memory_type() {
|
|
MemoryType::Dynamic => intrinsics.memory_size_dynamic_local,
|
|
MemoryType::Static => intrinsics.memory_size_static_local,
|
|
MemoryType::SharedStatic => intrinsics.memory_size_shared_local,
|
|
}
|
|
}
|
|
LocalOrImport::Import(import_mem_index) => {
|
|
let mem_desc = &info.imported_memories[import_mem_index].1;
|
|
match mem_desc.memory_type() {
|
|
MemoryType::Dynamic => intrinsics.memory_size_dynamic_import,
|
|
MemoryType::Static => intrinsics.memory_size_static_import,
|
|
MemoryType::SharedStatic => intrinsics.memory_size_shared_import,
|
|
}
|
|
}
|
|
};
|
|
|
|
let memory_index_const = intrinsics
|
|
.i32_ty
|
|
.const_int(reserved as u64, false)
|
|
.as_basic_value_enum();
|
|
let result = builder.build_call(
|
|
func_value,
|
|
&[ctx.basic(), memory_index_const],
|
|
&state.var_name(),
|
|
);
|
|
state.push1(result.try_as_basic_value().left().unwrap());
|
|
}
|
|
op @ _ => {
|
|
println!("{}", module.print_to_string().to_string());
|
|
unimplemented!("{:?}", op);
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn resolve_memory_ptr(
|
|
builder: &Builder,
|
|
intrinsics: &Intrinsics,
|
|
state: &mut State,
|
|
ctx: &mut CtxType,
|
|
memarg: MemoryImmediate,
|
|
ptr_ty: PointerType,
|
|
) -> Result<PointerValue, BinaryReaderError> {
|
|
// Ignore alignment hint for the time being.
|
|
let imm_offset = intrinsics.i64_ty.const_int(memarg.offset as u64, false);
|
|
let var_offset_i32 = state.pop1()?.into_int_value();
|
|
let var_offset =
|
|
builder.build_int_z_extend(var_offset_i32, intrinsics.i64_ty, &state.var_name());
|
|
let effective_offset = builder.build_int_add(var_offset, imm_offset, &state.var_name());
|
|
let (mem_base, mem_bound) = ctx.memory(MemoryIndex::new(0));
|
|
let mem_base_int = builder.build_ptr_to_int(mem_base, intrinsics.i64_ty, &state.var_name());
|
|
let effective_address_int =
|
|
builder.build_int_add(mem_base_int, effective_offset, &state.var_name());
|
|
Ok(builder.build_int_to_ptr(
|
|
effective_address_int,
|
|
intrinsics.i32_ptr_ty,
|
|
&state.var_name(),
|
|
))
|
|
}
|