Emerge Yul recompiler (#1)

Provide a modified (and incomplete) version of ZKSync zksolc that can compile the most basic contracts

crates/llvm-context/src/eravm/context/loop.rs

@@ -0,0 +1,33 @@
+//!
+//! The LLVM IR generator loop.
+//!
+
+///
+/// The LLVM IR generator loop.
+///
+#[derive(Debug, Clone)]
+pub struct Loop<'ctx> {
+    /// The loop current block.
+    pub body_block: inkwell::basic_block::BasicBlock<'ctx>,
+    /// The increment block before the body.
+    pub continue_block: inkwell::basic_block::BasicBlock<'ctx>,
+    /// The join block after the body.
+    pub join_block: inkwell::basic_block::BasicBlock<'ctx>,
+}
+
+impl<'ctx> Loop<'ctx> {
+    ///
+    /// A shortcut constructor.
+    ///
+    pub fn new(
+        body_block: inkwell::basic_block::BasicBlock<'ctx>,
+        continue_block: inkwell::basic_block::BasicBlock<'ctx>,
+        join_block: inkwell::basic_block::BasicBlock<'ctx>,
+    ) -> Self {
+        Self {
+            body_block,
+            continue_block,
+            join_block,
+        }
+    }
+}