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for loop: add ability to get pointer to elem var

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see #51
This commit is contained in:
Andrew Kelley
2016-04-20 11:58:01 -07:00
parent a25307c0a1
commit 6acc354957
7 changed files with 46 additions and 6 deletions
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11
src/codegen.cpp
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@@ -2427,9 +2427,14 @@ static LLVMValueRef gen_for_expr(CodeGen *g, AstNode *node) {
LLVMPositionBuilderAtEnd(g->builder, body_block);
LLVMValueRef elem_ptr = gen_array_elem_ptr(g, node, array_val, array_type, index_val);
LLVMValueRef elem_val = handle_is_ptr(child_type) ? elem_ptr : LLVMBuildLoad(g->builder, elem_ptr, "");
gen_assign_raw(g, node, BinOpTypeAssign, elem_var->value_ref, elem_val,
elem_var->type, child_type);
LLVMValueRef elem_val;
if (node->data.for_expr.elem_is_ptr) {
elem_val = elem_ptr;
} else {
elem_val = handle_is_ptr(child_type) ? elem_ptr : LLVMBuildLoad(g->builder, elem_ptr, "");
}
gen_assign_raw(g, node, BinOpTypeAssign, elem_var->value_ref, elem_val, elem_var->type, child_type);
gen_var_debug_decl(g, elem_var);
g->break_block_stack.append(end_block);
g->continue_block_stack.append(continue_block);