Update SimpleStore.yul

ethers-solc/test-data/yul-sample/SimpleStore.yul

@@ -5,7 +5,49 @@ object "SimpleStore" {
     }
     object "Runtime" {
       code {
+  function mslice(position, length) -> result {
+    result := div(mload(position), exp(2, sub(256, mul(length, 8))))
+  }
+  function StoreCalldata.sig(pos) -> res {
+    res := mslice(StoreCalldata.sig.position(pos), 4)
+  }
+  function StoreCalldata.sig.position(_pos) -> _offset {
+          function StoreCalldata.sig.position._chunk0(pos) -> __r {
+            __r := 0x00
+          }
+          function StoreCalldata.sig.position._chunk1(pos) -> __r {
+            __r := pos
+          }
+        _offset := add(StoreCalldata.sig.position._chunk0(_pos), add(StoreCalldata.sig.position._chunk1(_pos), 0))
+
+  }
+  function StoreCalldata.val(pos) -> res {
+    res := mslice(StoreCalldata.val.position(pos), 32)
+  }
+  function StoreCalldata.val.position(_pos) -> _offset {
+         function StoreCalldata.val.position._chunk0(pos) -> __r {
+            __r := 0x04
+          }
+
+          function StoreCalldata.val.position._chunk1(pos) -> __r {
+            __r := pos
+          }
+
+
+        _offset := add(StoreCalldata.val.position._chunk0(_pos), add(StoreCalldata.val.position._chunk1(_pos), 0))
+  }
         calldatacopy(0, 0, 36) // write calldata to memory
+        switch StoreCalldata.sig(0) // select signature from memory (at position 0)
+
+        case 0x6057361d { // new signature method
+          sstore(0, StoreCalldata.val(0)) // sstore calldata value
+          log2(0, 0, 0x69404ebde4a368ae324ed310becfefc3edfe9e5ebca74464e37ffffd8309a3c1, StoreCalldata.val(0))
+        }
+
+        case 0x6d4ce63c {
+          mstore(100, sload(0))
+          return (100, 32)
+        }
       }
     }
   }