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Moved ABI lowering from codegen to semantic analysis. Fixes for failables in the ABI and the codegen.

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This commit is contained in:
Christoffer Lerno
2020-12-04 19:19:57 +01:00
parent 0b00fe6988
commit 6a5a0f2b94
22 changed files with 400 additions and 342 deletions
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11
src/compiler/llvm_codegen_function.c
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@@ -252,6 +252,8 @@ void llvm_emit_return_abi(GenContext *c, BEValue *return_value, BEValue *failabl
LLVMValueRef return_out = c->return_out;
Type *return_type = signature->rtype->type;
BEValue no_fail;
// In this case we use the failable as the actual return.
if (signature->failable)
{
@@ -261,6 +263,11 @@ void llvm_emit_return_abi(GenContext *c, BEValue *return_value, BEValue *failabl
}
return_out = c->failable_out;
return_type = type_error;
if (!failable)
{
llvm_value_set(&no_fail, LLVMConstNull(llvm_get_type(c, type_error)), type_error);
failable = &no_fail;
}
return_value = failable;
info = signature->failable_abi_info;
}
@@ -406,6 +413,10 @@ void llvm_emit_function_body(GenContext *context, Decl *decl)
else
{
context->return_out = NULL;
if (signature->ret_abi_info && signature->failable)
{
context->return_out = LLVMGetParam(context->function, arg++);
}
}