Emerge Yul recompiler (#1)

Provide a modified (and incomplete) version of ZKSync zksolc that can compile the most basic contracts
2026-06-15 22:01:05 +00:00 · 2024-03-12 12:06:02 +01:00
parent d238d8f39e
commit cffa14a4d2
247 changed files with 35357 additions and 4905 deletions
@@ -0,0 +1,122 @@
+//!
+//! The Solidity compiler unit tests for IR artifacts.
+//!
+//! The tests check if the IR artifacts are kept in the final output.
+//!
+
+#![cfg(test)]
+
+use std::collections::BTreeMap;
+
+use crate::solc::pipeline::Pipeline as SolcPipeline;
+
+#[test]
+fn yul() {
+    let source_code = r#"
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+contract Test {
+    function main() public view returns (uint) {
+        return 42;
+    }
+}
+    "#;
+
+    let mut sources = BTreeMap::new();
+    sources.insert("test.sol".to_owned(), source_code.to_owned());
+
+    let build = super::build_solidity(
+        sources,
+        BTreeMap::new(),
+        None,
+        SolcPipeline::Yul,
+        era_compiler_llvm_context::OptimizerSettings::cycles(),
+    )
+    .expect("Test failure");
+
+    assert!(
+        build
+            .contracts
+            .as_ref()
+            .expect("Always exists")
+            .get("test.sol")
+            .expect("Always exists")
+            .get("Test")
+            .expect("Always exists")
+            .ir_optimized
+            .is_some(),
+        "Yul IR is missing"
+    );
+    assert!(
+        build
+            .contracts
+            .as_ref()
+            .expect("Always exists")
+            .get("test.sol")
+            .expect("Always exists")
+            .get("Test")
+            .expect("Always exists")
+            .evm
+            .as_ref()
+            .expect("EVM object is missing")
+            .assembly
+            .is_none(),
+        "EVMLA IR is present although not requested"
+    );
+}
+
+#[test]
+fn evmla() {
+    let source_code = r#"
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+contract Test {
+    function main() public view returns (uint) {
+        return 42;
+    }
+}
+    "#;
+
+    let mut sources = BTreeMap::new();
+    sources.insert("test.sol".to_owned(), source_code.to_owned());
+
+    let build = super::build_solidity(
+        sources,
+        BTreeMap::new(),
+        None,
+        SolcPipeline::EVMLA,
+        era_compiler_llvm_context::OptimizerSettings::cycles(),
+    )
+    .expect("Test failure");
+    assert!(
+        build
+            .contracts
+            .as_ref()
+            .expect("Always exists")
+            .get("test.sol")
+            .expect("Always exists")
+            .get("Test")
+            .expect("Always exists")
+            .evm
+            .as_ref()
+            .expect("EVM object is missing")
+            .assembly
+            .is_some(),
+        "EVMLA IR is missing",
+    );
+    assert!(
+        build
+            .contracts
+            .as_ref()
+            .expect("Always exists")
+            .get("test.sol")
+            .expect("Always exists")
+            .get("Test")
+            .expect("Always exists")
+            .ir_optimized
+            .is_none(),
+        "Yul IR is present although not requested",
+    );
+}