Update tests.

Author: chriseth

test/libyul/yulOptimizerTests/deadCodeEliminator/dead_code_user_functions.yul

@@ -0,0 +1,44 @@
+{
+    switch calldataload(0)
+    case 0 {
+        recursive()
+        sstore(0, 1)
+    }
+    case 1 {
+        terminating()
+        sstore(0, 7)
+    }
+    case 2 {
+        reverting()
+        sstore(0, 7)
+    }
+
+
+    function recursive()
+    {
+        recursive()
+    }
+    function terminating()
+    {
+        return(0, 0)
+    }
+    function reverting()
+    {
+        revert(0, 0)
+    }
+}
+// ----
+// step: deadCodeEliminator
+//
+// {
+//     switch calldataload(0)
+//     case 0 { recursive() }
+//     case 1 { terminating() }
+//     case 2 { reverting() }
+//     function recursive()
+//     { recursive() }
+//     function terminating()
+//     { return(0, 0) }
+//     function reverting()
+//     { revert(0, 0) }
+// }

test/libyul/yulOptimizerTests/deadCodeEliminator/function_after_revert.yul

@@ -5,9 +5,7 @@
 
     function fun()
     {
-        return(1, 1)
-
-        pop(sub(10, 5))
+        sstore(0, 1)
     }
 
     pop(add(1, 1))
@@ -19,5 +17,5 @@
 //     fun()
 //     revert(0, 0)
 //     function fun()
-//     { return(1, 1) }
+//     { sstore(0, 1) }
 // }

test/libyul/yulOptimizerTests/fullSuite/name_cleaner_reserved.yul

@@ -1,11 +1,11 @@
 {
 	// This function name can be shortened, the other cannot.
 	function nonmstore_(x) {
-		nonmstore_(x)
+		if calldataload(0) { nonmstore_(x) }
 		sstore(10, calldataload(2))
 	}
 	function mstore_(x) -> y {
-		let t3_3_ := mstore_(x)
+		if calldataload(0) { let t3_3_ := mstore_(x) }
 		y := 8
 		sstore(y, calldataload(y))
 	}
@@ -22,12 +22,12 @@
 //     }
 //     function nonmstore(x)
 //     {
-//         nonmstore(x)
+//         if calldataload(0) { nonmstore(x) }
 //         sstore(10, calldataload(2))
 //     }
 //     function mstore_(x) -> y
 //     {
-//         pop(mstore_(x))
+//         if calldataload(0) { pop(mstore_(x)) }
 //         y := 8
 //         sstore(y, calldataload(y))
 //     }

test/libyul/yulOptimizerTests/fullSuite/unusedFunctionParameterPruner_recursion.yul

@@ -5,7 +5,9 @@
     sstore(1, l)
     function f(a, b, c) -> x, y, z
     {
-        x, y, z := f(1, 2, 3)
+        if calldataload(0) {
+            x, y, z := f(1, 2, 3)
+        }
         x := add(x, 1)
     }
 }
@@ -21,9 +23,13 @@
 //     }
 //     function f() -> x, y, z
 //     {
-//         let x_1, y_1, z_1 := f()
-//         y := y_1
-//         z := z_1
-//         x := add(x_1, 1)
+//         if calldataload(0)
+//         {
+//             let x_1, y_1, z_1 := f()
+//             x := x_1
+//             y := y_1
+//             z := z_1
+//         }
+//         x := add(x, 1)
 //     }
 // }