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Implement more of next_function and finalize

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This commit is contained in:
Brandon Fish 2019-04-30 23:22:41 -05:00
parent ec253c73ab
commit 0ee2ba0ee6
1 changed files with 48 additions and 4 deletions
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52
lib/llvm-backend/src/code.rs
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@ -4593,11 +4593,11 @@ impl FunctionCodeGenerator<CodegenError> for LLVMFunctionCodeGenerator {
}
}
unimplemented!()
Ok(())
}
fn finalize(&mut self) -> Result<(), CodegenError> {
unimplemented!()
Ok(())
}
}
@ -4692,6 +4692,22 @@ impl ModuleCodeGenerator<LLVMFunctionCodeGenerator, LLVMBackend, CodegenError>
);
function.set_personality_function(self.personality_func);
let mut state = State::new();
let entry_block = self.context.append_basic_block(&function, "entry");
let return_block = self.context.append_basic_block(&function, "return");
self.builder.position_at_end(&return_block);
let phis: SmallVec<[PhiValue; 1]> = func_sig
.returns()
.iter()
.map(|&wasmer_ty| type_to_llvm(&self.intrinsics, wasmer_ty))
.map(|ty| self.builder.build_phi(ty, &state.var_name()))
.collect();
state.push_block(return_block, phis);
self.builder.position_at_end(&entry_block);
let mut locals = Vec::new();
locals.extend(
function
@ -4709,7 +4725,7 @@ impl ModuleCodeGenerator<LLVMFunctionCodeGenerator, LLVMBackend, CodegenError>
let num_params = locals.len();
let code = LLVMFunctionCodeGenerator {
state: State::new(),
state,
builder: unsafe { ::std::mem::transmute::<&Builder, &'static Builder>(&self.builder) },
context: unsafe { ::std::mem::transmute::<&Context, &'static Context>(&self.context) },
function,
@ -4742,7 +4758,35 @@ impl ModuleCodeGenerator<LLVMFunctionCodeGenerator, LLVMBackend, CodegenError>
}
fn finalize(self, module_info: &ModuleInfo) -> Result<LLVMBackend, CodegenError> {
unimplemented!()
// self.module.print_to_stderr();
generate_trampolines(
module_info,
&self.signatures,
&self.module,
&self.context,
&self.builder,
&self.intrinsics,
);
let pass_manager = PassManager::create_for_module();
// pass_manager.add_verifier_pass();
pass_manager.add_function_inlining_pass();
pass_manager.add_promote_memory_to_register_pass();
pass_manager.add_cfg_simplification_pass();
// pass_manager.add_instruction_combining_pass();
pass_manager.add_aggressive_inst_combiner_pass();
pass_manager.add_merged_load_store_motion_pass();
// pass_manager.add_sccp_pass();
// pass_manager.add_gvn_pass();
pass_manager.add_new_gvn_pass();
pass_manager.add_aggressive_dce_pass();
pass_manager.run_on_module(&self.module);
// self.module.print_to_stderr();
let (backend, _cache_gen) = LLVMBackend::new(self.module, self.intrinsics);
Ok(backend)
}
fn feed_signatures(&mut self, signatures: Map<SigIndex, FuncSig>) -> Result<(), CodegenError> {