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codegen for coro_begin instruction

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See #727
This commit is contained in:
Andrew Kelley
2018-02-25 16:22:19 -05:00
parent 79f1ff574b
commit d0f2eca106
2 changed files with 24 additions and 1 deletions
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24
src/codegen.cpp
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@@ -987,6 +987,22 @@ static LLVMValueRef get_coro_size_fn_val(CodeGen *g) {
return g->coro_size_fn_val;
}
static LLVMValueRef get_coro_begin_fn_val(CodeGen *g) {
if (g->coro_begin_fn_val)
return g->coro_begin_fn_val;
LLVMTypeRef param_types[] = {
ZigLLVMTokenTypeInContext(LLVMGetGlobalContext()),
LLVMPointerType(LLVMInt8Type(), 0),
};
LLVMTypeRef fn_type = LLVMFunctionType(LLVMPointerType(LLVMInt8Type(), 0), param_types, 2, false);
Buf *name = buf_sprintf("llvm.coro.begin");
g->coro_begin_fn_val = LLVMAddFunction(g->module, buf_ptr(name), fn_type);
assert(LLVMGetIntrinsicID(g->coro_begin_fn_val));
return g->coro_begin_fn_val;
}
static LLVMValueRef get_return_address_fn_val(CodeGen *g) {
if (g->return_address_fn_val)
return g->return_address_fn_val;
@@ -3808,7 +3824,13 @@ static LLVMValueRef ir_render_coro_size(CodeGen *g, IrExecutable *executable, Ir
}
static LLVMValueRef ir_render_coro_begin(CodeGen *g, IrExecutable *executable, IrInstructionCoroBegin *instruction) {
zig_panic("TODO ir_render_coro_begin");
LLVMValueRef coro_id = ir_llvm_value(g, instruction->coro_id);
LLVMValueRef coro_mem_ptr = ir_llvm_value(g, instruction->coro_mem_ptr);
LLVMValueRef params[] = {
coro_id,
coro_mem_ptr,
};
return LLVMBuildCall(g->builder, get_coro_begin_fn_val(g), params, 2, "");
}
static LLVMValueRef ir_render_coro_alloc_fail(CodeGen *g, IrExecutable *executable,