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add undefined literal

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This commit is contained in:
Andrew Kelley
2016-01-22 22:42:02 -07:00
parent 523e3b86af
commit 0e51c16ef5
4 changed files with 54 additions and 21 deletions
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22
src/codegen.cpp
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@@ -1486,22 +1486,6 @@ static LLVMValueRef gen_asm_expr(CodeGen *g, AstNode *node) {
return LLVMBuildCall(g->builder, asm_fn, param_values, input_and_output_count, "");
}
static LLVMValueRef gen_null_literal(CodeGen *g, AstNode *node) {
assert(node->type == NodeTypeNullLiteral);
TypeTableEntry *type_entry = get_expr_type(node);
assert(type_entry->id == TypeTableEntryIdMaybe);
LLVMValueRef tmp_struct_ptr = node->data.null_literal.resolved_struct_val_expr.ptr;
add_debug_source_node(g, node);
LLVMValueRef field_ptr = LLVMBuildStructGEP(g->builder, tmp_struct_ptr, 1, "");
LLVMValueRef null_value = LLVMConstNull(LLVMInt1Type());
LLVMBuildStore(g->builder, null_value, field_ptr);
return tmp_struct_ptr;
}
static LLVMValueRef gen_container_init_expr(CodeGen *g, AstNode *node) {
assert(node->type == NodeTypeContainerInitExpr);
@@ -1963,7 +1947,11 @@ static LLVMValueRef gen_expr(CodeGen *g, AstNode *node) {
case NodeTypeFieldAccessExpr:
return gen_field_access_expr(g, node, false);
case NodeTypeNullLiteral:
return gen_null_literal(g, node);
// caught by constant expression eval codegen
zig_unreachable();
case NodeTypeUndefinedLiteral:
// caught by constant expression eval codegen
zig_unreachable();
case NodeTypeIfBoolExpr:
return gen_if_bool_expr(g, node);
case NodeTypeIfVarExpr: