returnSize assigned according to truth value of returnInfo.dynamicReturnSize

2023-10-03 13:03:40 +00:00 · 2022-03-03 18:55:10 +05:30
parent ebefb5d980
commit beabc51c20
40 changed files with 261 additions and 116 deletions
@@ -60,10 +60,10 @@ contract C {
 // compileViaYul: also
 // ----
 // test_bytes() ->
-// gas irOptimized: 371847
+// gas irOptimized: 371919
 // gas legacy: 418955
 // gas legacyOptimized: 326783
 // test_uint256() ->
-// gas irOptimized: 522929
+// gas irOptimized: 523001
 // gas legacy: 586784
 // gas legacyOptimized: 451529
@@ -26,6 +26,6 @@ contract C {
 // ----
 // library: L
 // f() -> 8, 7, 1, 2, 7, 12
-// gas irOptimized: 167672
+// gas irOptimized: 167696
 // gas legacy: 169347
 // gas legacyOptimized: 167269
@@ -61,10 +61,10 @@ contract C {
 // compileViaYul: also
 // ----
 // test_bytes() ->
-// gas irOptimized: 371847
+// gas irOptimized: 371919
 // gas legacy: 418955
 // gas legacyOptimized: 326783
 // test_uint256() ->
-// gas irOptimized: 522929
+// gas irOptimized: 523001
 // gas legacy: 586784
 // gas legacyOptimized: 451529
@@ -32,6 +32,6 @@ contract C is B {
 // compileViaYul: also
 // ----
 // test() -> 77
-// gas irOptimized: 119895
+// gas irOptimized: 119919
 // gas legacy: 155093
 // gas legacyOptimized: 111550
@@ -21,6 +21,6 @@ contract C {
 // f(uint256[][1]): 32, 32, 0 -> true
 // f(uint256[][1]): 32, 32, 1, 42 -> true
 // f(uint256[][1]): 32, 32, 8, 421, 422, 423, 424, 425, 426, 427, 428 -> true
-// gas irOptimized: 171838
+// gas irOptimized: 171842
 // gas legacy: 141644
 // gas legacyOptimized: 121532
@@ -21,6 +21,6 @@ contract B {
 // compileViaYul: also
 // ----
 // f() -> 2, 3, 4, 5, 6, 1000, 1001, 1002, 1003, 1004
-// gas irOptimized: 130097
+// gas irOptimized: 130152
 // gas legacy: 234943
 // gas legacyOptimized: 132863
@@ -45,6 +45,6 @@ contract C {
 // compileViaYul: also
 // ----
 // test() -> 5, 6, 7
-// gas irOptimized: 290567
+// gas irOptimized: 298983
 // gas legacy: 452172
 // gas legacyOptimized: 285017
@@ -26,6 +26,6 @@ contract Main {
 // compileViaYul: also
 // ----
 // f(uint256): 0x34 -> 0x46bddb1178e94d7f2892ff5f366840eb658911794f2c3a44c450aa2c505186c1
-// gas irOptimized: 113552
+// gas irOptimized: 113598
 // gas legacy: 126596
 // gas legacyOptimized: 113823
@@ -26,6 +26,6 @@ contract Creator {
 // compileViaYul: also
 // ----
 // f(uint256,address[]): 7, 0x40, 10, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 -> 7, 8
-// gas irOptimized: 443921
+// gas irOptimized: 443960
 // gas legacy: 590683
 // gas legacyOptimized: 448326
@@ -26,6 +26,6 @@ contract Creator {
 // compileViaYul: also
 // ----
 // f(uint256,bytes): 7, 0x40, 78, "abcdefghijklmnopqrstuvwxyzabcdef", "ghijklmnopqrstuvwxyzabcdefghijkl", "mnopqrstuvwxyz" -> 7, "h"
-// gas irOptimized: 300765
+// gas irOptimized: 300804
 // gas legacy: 428917
 // gas legacyOptimized: 298128
@@ -17,7 +17,7 @@ contract C {
 // compileViaYul: also
 // ----
 // constructor() ->
-// gas irOptimized: 177344
+// gas irOptimized: 173672
 // gas legacy: 250376
 // gas legacyOptimized: 174522
 // deposit(bytes32), 18 wei: 0x1234 ->
@@ -17,7 +17,7 @@ contract D {
 // compileViaYul: also
 // ----
 // constructor(): 2 ->
-// gas irOptimized: 200295
+// gas irOptimized: 203967
 // gas legacy: 245842
 // gas legacyOptimized: 195676
 // f() -> 2
@@ -18,7 +18,7 @@ contract D {
 // compileViaYul: also
 // ----
 // constructor(): 2 ->
-// gas irOptimized: 200458
+// gas irOptimized: 204130
 // gas legacy: 246202
 // gas legacyOptimized: 195914
 // f() -> 2
@@ -25,7 +25,7 @@ contract C {
 // compileViaYul: also
 // ----
 // constructor(), 1 ether ->
-// gas irOptimized: 308423
+// gas irOptimized: 315341
 // gas legacy: 465314
 // gas legacyOptimized: 304481
 // f(uint256): 0 -> FAILURE
@@ -27,7 +27,7 @@ contract C {
 // revertStrings: debug
 // ----
 // constructor(), 1 ether ->
-// gas irOptimized: 445767
+// gas irOptimized: 452673
 // gas legacy: 834272
 // gas legacyOptimized: 510004
 // f(uint256): 0 -> FAILURE, hex"08c379a0", 0x20, 37, "Target contract does not contain", " code"
@@ -18,7 +18,7 @@ contract C {
 // compileViaYul: also
 // ----
 // constructor(), 20 wei
-// gas irOptimized: 213663
+// gas irOptimized: 219285
 // gas legacy: 294569
 // gas legacyOptimized: 174699
 // f(uint256): 20 -> 1370859564726510389319704988634906228201275401179
@@ -26,7 +26,7 @@ contract C {
 // f(uint256): 20 -> FAILURE
 // x() -> 1
 // stack(uint256): 1023 -> FAILURE
-// gas irOptimized: 304303
+// gas irOptimized: 314884
 // gas legacy: 483942
 // gas legacyOptimized: 298807
 // x() -> 1
@@ -41,7 +41,7 @@ contract test {
 // compileViaYul: also
 // ----
 // constructor(), 20 wei ->
-// gas irOptimized: 274154
+// gas irOptimized: 283040
 // gas legacy: 402654
 // gas legacyOptimized: 274470
 // sendAmount(uint256): 5 -> 5
@@ -40,7 +40,7 @@ contract test {
 // compileViaYul: also
 // ----
 // constructor(), 20 wei ->
-// gas irOptimized: 274154
+// gas irOptimized: 283040
 // gas legacy: 402654
 // gas legacyOptimized: 274470
 // sendAmount(uint256): 5 -> 5
@@ -0,0 +1,31 @@
+interface ShortReturn {
+    function f() external pure returns (bytes32);
+}
+contract LongReturn {
+    function f() external pure returns (uint[20] memory) {}
+}
+
+contract Test {
+    function test() public returns (uint) {
+        LongReturn longReturn = new LongReturn();
+        uint freeMemoryBefore;
+        assembly {
+            freeMemoryBefore := mload(0x40)
+        }
+
+        ShortReturn(address(longReturn)).f();
+
+        uint freeMemoryAfter;
+
+        assembly {
+            freeMemoryAfter := mload(0x40)
+        }
+
+        return freeMemoryAfter - freeMemoryBefore;
+    }
+}
+// ====
+// compileViaYul: true
+// ----
+// test() -> 0x20
+// gas legacy: 131966
@@ -0,0 +1,32 @@
+interface LongReturn {
+    function f() external pure returns (uint[20] memory);
+}
+contract ShortReturn {
+    function f() external pure returns (bytes32) {}
+}
+
+contract Test {
+    function test() public returns (uint) {
+        ShortReturn shortReturn = new ShortReturn();
+        uint freeMemoryBefore;
+        assembly {
+            freeMemoryBefore := mload(0x40)
+        }
+
+        LongReturn(address(shortReturn)).f();
+
+        uint freeMemoryAfter;
+
+        assembly {
+            freeMemoryAfter := mload(0x40)
+        }
+
+        return freeMemoryAfter - freeMemoryBefore;
+    }
+}
+// ====
+// EVMVersion: <=homestead
+// compileViaYul: true
+// ----
+// test() -> 0x0500
+// gas legacy: 131966
@@ -0,0 +1,34 @@
+interface LongReturn {
+    function f() external pure returns (uint[20] memory);
+}
+contract ShortReturn {
+    function f() external pure returns (bytes32) {}
+}
+
+contract Test {
+    function test() public returns (uint) {
+        ShortReturn shortReturn = new ShortReturn();
+        uint freeMemoryBefore;
+        assembly {
+            freeMemoryBefore := mload(0x40)
+        }
+
+        // This reverts. The external call succeeds but ABI decoding fails due to the returned
+        // `bytes32` being much shorter than the expected `uint[20]`.
+        LongReturn(address(shortReturn)).f();
+
+        uint freeMemoryAfter;
+
+        assembly {
+            freeMemoryAfter := mload(0x40)
+        }
+
+        return freeMemoryAfter - freeMemoryBefore;
+    }
+}
+// ====
+// EVMVersion: >homestead
+// compileViaYul: true
+// ----
+// test() -> FAILURE
+// gas legacy: 131966
@@ -29,7 +29,7 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 3, 7, 5
-// gas irOptimized: 127302
+// gas irOptimized: 127347
 // gas legacy: 151334
 // gas legacyOptimized: 125166
 // x() -> 7
@@ -25,6 +25,6 @@ contract B {
 // compileViaYul: also
 // ----
 // g() -> 42
-// gas irOptimized: 111770
+// gas irOptimized: 111794
 // gas legacy: 185053
 // gas legacyOptimized: 114598
@@ -42,7 +42,7 @@ contract Main {
 // compileViaYul: also
 // ----
 // constructor(), 22 wei ->
-// gas irOptimized: 276469
+// gas irOptimized: 284287
 // gas legacy: 402045
 // gas legacyOptimized: 266772
 // getFlag() -> true
@@ -18,7 +18,7 @@ contract ClientReceipt {
 // compileViaYul: also
 // ----
 // constructor(), 2000 wei ->
-// gas irOptimized: 184076
+// gas irOptimized: 188162
 // gas legacy: 235195
 // gas legacyOptimized: 176766
 // balance -> 1500
@@ -25,6 +25,6 @@ contract Test {
 // ----
 // library: Lib
 // f() -> 4, 0x11
-// gas irOptimized: 115822
+// gas irOptimized: 115874
 // gas legacy: 135952
 // gas legacyOptimized: 119643
@@ -22,6 +22,6 @@ contract Test {
 // ----
 // library: Lib
 // f() -> 1, 0, 0x2a, 0x17, 0, 0x63
-// gas irOptimized: 119757
+// gas irOptimized: 119561
 // gas legacy: 124793
 // gas legacyOptimized: 119694
@@ -20,6 +20,6 @@ contract Test {
 // ----
 // library: Lib
 // f() -> 1, 0, 0x2a, 0x17, 0, 0x63
-// gas irOptimized: 120471
+// gas irOptimized: 120572
 // gas legacy: 125245
 // gas legacyOptimized: 120153
@@ -23,5 +23,5 @@ contract Test {
 // ----
 // library: Lib
 // f() -> 7, 8
-// gas irOptimized: 101869
+// gas irOptimized: 101820
 // gas legacy: 101504
@@ -22,6 +22,6 @@ contract A {
 // compileViaYul: also
 // ----
 // f(), 10 ether -> 3007, 3008, 3009
-// gas irOptimized: 272338
+// gas irOptimized: 272413
 // gas legacy: 422501
 // gas legacyOptimized: 287472
@@ -51,7 +51,7 @@ contract C {
 // compileViaYul: also
 // ----
 // test_f() -> true
-// gas irOptimized: 122413
+// gas irOptimized: 122364
 // gas legacy: 126168
 // gas legacyOptimized: 123199
 // test_g() -> true
@@ -19,7 +19,7 @@ contract D {
 // compileViaYul: also
 // ----
 // constructor(), 27 wei ->
-// gas irOptimized: 175261
+// gas irOptimized: 178933
 // gas legacy: 222977
 // gas legacyOptimized: 169779
 // f() -> 27
@@ -22,6 +22,6 @@ contract C {
 // compileViaYul: also
 // ----
 // g() -> 2, 6
-// gas irOptimized: 178822
+// gas irOptimized: 178812
 // gas legacy: 180762
 // gas legacyOptimized: 179481
@@ -22,7 +22,7 @@ contract test {
 // compileViaYul: also
 // ----
 // constructor(), 20 wei ->
-// gas irOptimized: 185891
+// gas irOptimized: 192113
 // gas legacy: 265006
 // gas legacyOptimized: 182842
 // sendAmount(uint256): 5 -> 8
@@ -21,7 +21,7 @@ contract test {
 // compileViaYul: also
 // ----
 // constructor(), 20 wei ->
-// gas irOptimized: 187835
+// gas irOptimized: 194261
 // gas legacy: 266728
 // gas legacyOptimized: 184762
 // sendAmount(uint256): 5 -> 8
@@ -23,6 +23,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() ->
-// gas irOptimized: 113096
+// gas irOptimized: 112998
 // gas legacy: 112937
 // gas legacyOptimized: 112608