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codegen for coro_id instruction

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See #727
This commit is contained in:
Andrew Kelley
2018-02-25 15:10:29 -05:00
parent 7567448b91
commit 9f6c5a20de
7 changed files with 43 additions and 2 deletions
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30
src/codegen.cpp
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@@ -942,6 +942,24 @@ static LLVMValueRef get_coro_destroy_fn_val(CodeGen *g) {
return g->coro_destroy_fn_val;
}
static LLVMValueRef get_coro_id_fn_val(CodeGen *g) {
if (g->coro_id_fn_val)
return g->coro_id_fn_val;
LLVMTypeRef param_types[] = {
LLVMInt32Type(),
LLVMPointerType(LLVMInt8Type(), 0),
LLVMPointerType(LLVMInt8Type(), 0),
LLVMPointerType(LLVMInt8Type(), 0),
};
LLVMTypeRef fn_type = LLVMFunctionType(ZigLLVMTokenTypeInContext(LLVMGetGlobalContext()), param_types, 4, false);
Buf *name = buf_sprintf("llvm.coro.id");
g->coro_id_fn_val = LLVMAddFunction(g->module, buf_ptr(name), fn_type);
assert(LLVMGetIntrinsicID(g->coro_id_fn_val));
return g->coro_id_fn_val;
}
static LLVMValueRef get_return_address_fn_val(CodeGen *g) {
if (g->return_address_fn_val)
return g->return_address_fn_val;
@@ -3730,7 +3748,17 @@ static LLVMValueRef ir_render_panic(CodeGen *g, IrExecutable *executable, IrInst
}
static LLVMValueRef ir_render_coro_id(CodeGen *g, IrExecutable *executable, IrInstructionCoroId *instruction) {
zig_panic("TODO ir_render_coro_id");
LLVMValueRef promise_ptr = ir_llvm_value(g, instruction->promise_ptr);
LLVMValueRef align_val = LLVMConstInt(LLVMInt32Type(), get_coro_frame_align_bytes(g), false);
LLVMValueRef null = LLVMConstIntToPtr(LLVMConstNull(g->builtin_types.entry_usize->type_ref),
LLVMPointerType(LLVMInt8Type(), 0));
LLVMValueRef params[] = {
align_val,
promise_ptr,
null,
null,
};
return LLVMBuildCall(g->builder, get_coro_id_fn_val(g), params, 4, "");
}
static LLVMValueRef ir_render_coro_alloc(CodeGen *g, IrExecutable *executable, IrInstructionCoroAlloc *instruction) {