WIP v3: Handle the non-loop blocks using a iterative algorithm

Author: VedantParanjape

include/blocks/loops.h

@@ -10,7 +10,7 @@ using namespace block;
 class loop {
 public:
     loop(std::shared_ptr<basic_block> header): header_block(header) {}
-    stmt::Ptr convert_to_ast_impl(dominator_analysis &dta_);
+    stmt::Ptr convert_to_ast_impl(dominator_analysis &dta_, std::vector<std::pair<std::shared_ptr<basic_block>, stmt_block::Ptr>> &return_blocks);
 
     struct loop_bounds_ {
         stmt::Ptr ind_var;