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implement Zig IR for async functions

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See #727
This commit is contained in:
Andrew Kelley
2018-02-23 03:03:06 -05:00
parent ca1b77b2d5
commit 99985ad6fc
6 changed files with 467 additions and 54 deletions
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46
src/codegen.cpp
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@@ -542,7 +542,7 @@ static LLVMValueRef fn_llvm_value(CodeGen *g, FnTableEntry *fn_table_entry) {
if (!type_has_bits(return_type)) {
// nothing to do
} else if (return_type->id == TypeTableEntryIdPointer || return_type->id == TypeTableEntryIdFn) {
} else if (type_is_codegen_pointer(return_type)) {
addLLVMAttr(fn_table_entry->llvm_value, 0, "nonnull");
} else if (handle_is_ptr(return_type) &&
calling_convention_does_first_arg_return(fn_type->data.fn.fn_type_id.cc))
@@ -2789,7 +2789,7 @@ static LLVMValueRef gen_non_null_bit(CodeGen *g, TypeTableEntry *maybe_type, LLV
if (child_type->zero_bits) {
return maybe_handle;
} else {
bool maybe_is_ptr = (child_type->id == TypeTableEntryIdPointer || child_type->id == TypeTableEntryIdFn);
bool maybe_is_ptr = type_is_codegen_pointer(child_type);
if (maybe_is_ptr) {
return LLVMBuildICmp(g->builder, LLVMIntNE, maybe_handle, LLVMConstNull(maybe_type->type_ref), "");
} else {
@@ -2829,7 +2829,7 @@ static LLVMValueRef ir_render_unwrap_maybe(CodeGen *g, IrExecutable *executable,
if (child_type->zero_bits) {
return nullptr;
} else {
bool maybe_is_ptr = (child_type->id == TypeTableEntryIdPointer || child_type->id == TypeTableEntryIdFn);
bool maybe_is_ptr = type_is_codegen_pointer(child_type);
if (maybe_is_ptr) {
return maybe_ptr;
} else {
@@ -3052,6 +3052,10 @@ static LLVMValueRef ir_render_align_cast(CodeGen *g, IrExecutable *executable, I
{
align_bytes = target_type->data.maybe.child_type->data.fn.fn_type_id.alignment;
ptr_val = target_val;
} else if (target_type->id == TypeTableEntryIdMaybe &&
target_type->data.maybe.child_type->id == TypeTableEntryIdPromise)
{
zig_panic("TODO audit this function");
} else if (target_type->id == TypeTableEntryIdStruct && target_type->data.structure.is_slice) {
TypeTableEntry *slice_ptr_type = target_type->data.structure.fields[slice_ptr_index].type_entry;
align_bytes = slice_ptr_type->data.pointer.alignment;
@@ -3522,9 +3526,7 @@ static LLVMValueRef ir_render_maybe_wrap(CodeGen *g, IrExecutable *executable, I
}
LLVMValueRef payload_val = ir_llvm_value(g, instruction->value);
if (child_type->id == TypeTableEntryIdPointer ||
child_type->id == TypeTableEntryIdFn)
{
if (type_is_codegen_pointer(child_type)) {
return payload_val;
}
@@ -3716,6 +3718,22 @@ static LLVMValueRef ir_render_coro_alloc_fail(CodeGen *g, IrExecutable *executab
zig_panic("TODO ir_render_coro_alloc_fail");
}
static LLVMValueRef ir_render_coro_suspend(CodeGen *g, IrExecutable *executable, IrInstructionCoroSuspend *instruction) {
zig_panic("TODO ir_render_coro_suspend");
}
static LLVMValueRef ir_render_coro_end(CodeGen *g, IrExecutable *executable, IrInstructionCoroEnd *instruction) {
zig_panic("TODO ir_render_coro_end");
}
static LLVMValueRef ir_render_coro_free(CodeGen *g, IrExecutable *executable, IrInstructionCoroFree *instruction) {
zig_panic("TODO ir_render_coro_free");
}
static LLVMValueRef ir_render_coro_resume(CodeGen *g, IrExecutable *executable, IrInstructionCoroResume *instruction) {
zig_panic("TODO ir_render_coro_resume");
}
static void set_debug_location(CodeGen *g, IrInstruction *instruction) {
AstNode *source_node = instruction->source_node;
Scope *scope = instruction->scope;
@@ -3911,6 +3929,14 @@ static LLVMValueRef ir_render_instruction(CodeGen *g, IrExecutable *executable,
return ir_render_coro_begin(g, executable, (IrInstructionCoroBegin *)instruction);
case IrInstructionIdCoroAllocFail:
return ir_render_coro_alloc_fail(g, executable, (IrInstructionCoroAllocFail *)instruction);
case IrInstructionIdCoroSuspend:
return ir_render_coro_suspend(g, executable, (IrInstructionCoroSuspend *)instruction);
case IrInstructionIdCoroEnd:
return ir_render_coro_end(g, executable, (IrInstructionCoroEnd *)instruction);
case IrInstructionIdCoroFree:
return ir_render_coro_free(g, executable, (IrInstructionCoroFree *)instruction);
case IrInstructionIdCoroResume:
return ir_render_coro_resume(g, executable, (IrInstructionCoroResume *)instruction);
}
zig_unreachable();
}
@@ -4155,9 +4181,7 @@ static LLVMValueRef gen_const_val(CodeGen *g, ConstExprValue *const_val, const c
TypeTableEntry *child_type = type_entry->data.maybe.child_type;
if (child_type->zero_bits) {
return LLVMConstInt(LLVMInt1Type(), const_val->data.x_maybe ? 1 : 0, false);
} else if (child_type->id == TypeTableEntryIdPointer ||
child_type->id == TypeTableEntryIdFn)
{
} else if (type_is_codegen_pointer(child_type)) {
if (const_val->data.x_maybe) {
return gen_const_val(g, const_val->data.x_maybe, "");
} else {
@@ -6085,9 +6109,7 @@ static void get_c_type(CodeGen *g, GenH *gen_h, TypeTableEntry *type_entry, Buf
if (child_type->zero_bits) {
buf_init_from_str(out_buf, "bool");
return;
} else if (child_type->id == TypeTableEntryIdPointer ||
child_type->id == TypeTableEntryIdFn)
{
} else if (type_is_codegen_pointer(child_type)) {
return get_c_type(g, gen_h, child_type, out_buf);
} else {
zig_unreachable();