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constant initializers allow simple expressions

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This commit is contained in:
Andrew Kelley
2015-12-14 23:49:56 -07:00
parent 83b68c9f13
commit 4dc2b82506
4 changed files with 56 additions and 19 deletions
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14
src/codegen.cpp
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@@ -103,6 +103,8 @@ static int count_non_void_params(CodeGen *g, ZigList<AstNode *> *params) {
}
static void add_debug_source_node(CodeGen *g, AstNode *node) {
if (!g->cur_block_context)
return;
LLVMZigSetCurrentDebugLocation(g->builder, node->line + 1, node->column + 1,
g->cur_block_context->di_scope);
}
@@ -1040,12 +1042,16 @@ static void do_code_gen(CodeGen *g) {
for (int i = 0; i < g->global_vars.length; i += 1) {
VariableTableEntry *var = g->global_vars.at(i);
LLVMValueRef init_val = gen_expr(g, var->decl_node->data.variable_declaration.expr);
// TODO if the global is exported, set external linkage
LLVMValueRef global_value = LLVMAddGlobal(g->module, LLVMTypeOf(init_val), "");
LLVMValueRef global_value = LLVMAddGlobal(g->module, var->type->type_ref, "");
LLVMSetLinkage(global_value, LLVMPrivateLinkage);
LLVMSetInitializer(global_value, init_val);
if (var->is_const) {
LLVMValueRef init_val = gen_expr(g, var->decl_node->data.variable_declaration.expr);
LLVMSetInitializer(global_value, init_val);
} else {
LLVMSetInitializer(global_value, LLVMConstNull(var->type->type_ref));
}
LLVMSetGlobalConstant(global_value, var->is_const);
LLVMSetUnnamedAddr(global_value, true);