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codegen: fix array access of struct field

master
Andrew Kelley 2016-01-06 02:43:29 -07:00
parent 9c775d2111
commit 8b48e242b8
1 changed files with 14 additions and 4 deletions
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18
src/codegen.cpp
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@ -218,14 +218,24 @@ static LLVMValueRef gen_fn_call_expr(CodeGen *g, AstNode *node) {
static LLVMValueRef gen_array_ptr(CodeGen *g, AstNode *node) {
assert(node->type == NodeTypeArrayAccessExpr);
TypeTableEntry *type_entry = get_expr_type(node->data.array_access_expr.array_ref_expr);
AstNode *array_expr_node = node->data.array_access_expr.array_ref_expr;
TypeTableEntry *type_entry = get_expr_type(array_expr_node);
LLVMValueRef array_ptr = gen_expr(g, array_expr_node);
LLVMValueRef array_ptr;
if (array_expr_node->type == NodeTypeFieldAccessExpr) {
array_ptr = gen_field_access_expr(g, array_expr_node, true);
if (type_entry->id == TypeTableEntryIdPointer) {
// we have a double pointer so we must dereference it once
add_debug_source_node(g, node);
array_ptr = LLVMBuildLoad(g->builder, array_ptr, "");
}
} else {
array_ptr = gen_expr(g, array_expr_node);
}
assert(LLVMGetTypeKind(LLVMTypeOf(array_ptr)) == LLVMPointerTypeKind);
LLVMValueRef subscript_value = gen_expr(g, node->data.array_access_expr.subscript);
assert(array_ptr);
assert(subscript_value);
if (type_entry->id == TypeTableEntryIdArray) {