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add compile error when unable to inline a function

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See #38
This commit is contained in:
Andrew Kelley
2017-05-04 15:00:25 -04:00
parent 5c094d7390
commit 866c841dd8
3 changed files with 56 additions and 10 deletions
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38
src/codegen.cpp
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@@ -353,10 +353,12 @@ static LLVMValueRef fn_llvm_value(CodeGen *g, FnTableEntry *fn_table_entry) {
} else {
fn_table_entry->llvm_value = LLVMAddFunction(g->module, buf_ptr(symbol_name), fn_llvm_type);
}
fn_table_entry->llvm_name = LLVMGetValueName(fn_table_entry->llvm_value);
switch (fn_table_entry->fn_inline) {
case FnInlineAlways:
addLLVMFnAttr(fn_table_entry->llvm_value, "alwaysinline");
g->inline_fns.append(fn_table_entry);
break;
case FnInlineNever:
addLLVMFnAttr(fn_table_entry->llvm_value, "noinline");
@@ -3628,6 +3630,27 @@ static void ensure_cache_dir(CodeGen *g) {
}
}
static void report_errors_and_maybe_exit(CodeGen *g) {
if (g->errors.length != 0) {
for (size_t i = 0; i < g->errors.length; i += 1) {
ErrorMsg *err = g->errors.at(i);
print_err_msg(err, g->err_color);
}
exit(1);
}
}
static void validate_inline_fns(CodeGen *g) {
for (size_t i = 0; i < g->inline_fns.length; i += 1) {
FnTableEntry *fn_entry = g->inline_fns.at(i);
LLVMValueRef fn_val = LLVMGetNamedFunction(g->module, fn_entry->llvm_name);
if (fn_val != nullptr) {
add_node_error(g, fn_entry->proto_node, buf_sprintf("unable to inline function"));
}
}
report_errors_and_maybe_exit(g);
}
static void do_code_gen(CodeGen *g) {
if (g->verbose) {
fprintf(stderr, "\nCode Generation:\n");
@@ -3927,6 +3950,8 @@ static void do_code_gen(CodeGen *g) {
zig_panic("unable to write object file: %s", err_msg);
}
validate_inline_fns(g);
g->link_objects.append(output_path);
}
@@ -4719,16 +4744,9 @@ static void gen_root_source(CodeGen *g) {
}
}
if (g->errors.length == 0) {
if (g->verbose) {
fprintf(stderr, "OK\n");
}
} else {
for (size_t i = 0; i < g->errors.length; i += 1) {
ErrorMsg *err = g->errors.at(i);
print_err_msg(err, g->err_color);
}
exit(1);
report_errors_and_maybe_exit(g);
if (g->verbose) {
fprintf(stderr, "OK\n");
}
}