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codegen for coro_resume instruction

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See #727
This commit is contained in:
Andrew Kelley
2018-02-25 17:34:05 -05:00
parent 4eac75914b
commit 83f8906449
3 changed files with 25 additions and 3 deletions
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18
src/codegen.cpp
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@@ -1051,6 +1051,21 @@ static LLVMValueRef get_coro_free_fn_val(CodeGen *g) {
return g->coro_free_fn_val;
}
static LLVMValueRef get_coro_resume_fn_val(CodeGen *g) {
if (g->coro_resume_fn_val)
return g->coro_resume_fn_val;
LLVMTypeRef param_types[] = {
LLVMPointerType(LLVMInt8Type(), 0),
};
LLVMTypeRef fn_type = LLVMFunctionType(LLVMVoidType(), param_types, 1, false);
Buf *name = buf_sprintf("llvm.coro.resume");
g->coro_resume_fn_val = LLVMAddFunction(g->module, buf_ptr(name), fn_type);
assert(LLVMGetIntrinsicID(g->coro_resume_fn_val));
return g->coro_resume_fn_val;
}
static LLVMValueRef get_return_address_fn_val(CodeGen *g) {
if (g->return_address_fn_val)
return g->return_address_fn_val;
@@ -3935,7 +3950,8 @@ static LLVMValueRef ir_render_coro_free(CodeGen *g, IrExecutable *executable, Ir
}
static LLVMValueRef ir_render_coro_resume(CodeGen *g, IrExecutable *executable, IrInstructionCoroResume *instruction) {
zig_panic("TODO ir_render_coro_resume");
LLVMValueRef awaiter_handle = ir_llvm_value(g, instruction->awaiter_handle);
return LLVMBuildCall(g->builder, get_coro_resume_fn_val(g), &awaiter_handle, 1, "");
}
static void set_debug_location(CodeGen *g, IrInstruction *instruction) {