Huge commit from which this can be extracted in stages.

test/cmdlineTests/name_simplifier/output

@@ -19,96 +19,81 @@ object "C_59" {
     object "C_59_deployed" {
         code {
             {
-                mstore(64, 128)
+                let _1 := 64
+                mstore(_1, 128)
                 if iszero(lt(calldatasize(), 4))
                 {
-                    let _1 := 0
-                    if eq(0xf8eddcc6, shr(224, calldataload(_1)))
+                    let _2 := 0
+                    if eq(0xf8eddcc6, shr(224, calldataload(_2)))
                     {
-                        if callvalue() { revert(_1, _1) }
-                        let _2 := 32
-                        if slt(add(calldatasize(), not(3)), _2) { revert(_1, _1) }
+                        if callvalue() { revert(_2, _2) }
+                        let _3 := 32
+                        if slt(add(calldatasize(), not(3)), _3) { revert(_2, _2) }
                         let offset := calldataload(4)
-                        let _3 := 0xffffffffffffffff
-                        if gt(offset, _3) { revert(_1, _1) }
-                        if iszero(slt(add(offset, 35), calldatasize())) { revert(_1, _1) }
-                        let _4 := calldataload(add(4, offset))
-                        if gt(_4, _3) { panic_error_0x41() }
-                        let _5 := shl(5, _4)
-                        let dst := allocate_memory(add(_5, _2))
+                        let _4 := 0xffffffffffffffff
+                        if gt(offset, _4) { revert(_2, _2) }
+                        if iszero(slt(add(offset, 35), calldatasize())) { revert(_2, _2) }
+                        let _5 := calldataload(add(4, offset))
+                        if gt(_5, _4) { panic_error_0x41() }
+                        let _6 := shl(5, _5)
+                        let memPtr := mload(_1)
+                        let _7 := not(31)
+                        let newFreePtr := add(memPtr, and(add(_6, 63), _7))
+                        if or(gt(newFreePtr, _4), lt(newFreePtr, memPtr)) { panic_error_0x41() }
+                        mstore(_1, newFreePtr)
+                        let dst := memPtr
+                        mstore(memPtr, _5)
+                        dst := add(memPtr, _3)
                         let dst_1 := dst
-                        mstore(dst, _4)
-                        dst := add(dst, _2)
                         let src := add(offset, 36)
-                        if gt(add(add(offset, _5), 36), calldatasize()) { revert(_1, _1) }
-                        let i := _1
-                        for { } lt(i, _4) { i := add(i, 1) }
+                        if gt(add(add(offset, _6), 36), calldatasize()) { revert(_2, _2) }
+                        let i := _2
+                        for { } lt(i, _5) { i := add(i, 1) }
                         {
-                            if slt(sub(calldatasize(), src), _2) { revert(_1, _1) }
-                            let value := allocate_memory_1228()
-                            mstore(value, calldataload(src))
-                            mstore(dst, value)
-                            dst := add(dst, _2)
-                            src := add(src, _2)
+                            if slt(sub(calldatasize(), src), _3) { revert(_2, _2) }
+                            let memPtr_1 := mload(_1)
+                            let newFreePtr_1 := add(memPtr_1, _3)
+                            if or(gt(newFreePtr_1, _4), lt(newFreePtr_1, memPtr_1)) { panic_error_0x41() }
+                            mstore(_1, newFreePtr_1)
+                            mstore(memPtr_1, calldataload(src))
+                            mstore(dst, memPtr_1)
+                            dst := add(dst, _3)
+                            src := add(src, _3)
                         }
-                        let ret, ret_1 := fun_sumArray(dst_1)
-                        let memPos := mload(64)
-                        return(memPos, sub(abi_encode_uint256_string(memPos, ret, ret_1), memPos))
+                        if iszero(mload(memPtr)) { panic_error_0x32() }
+                        sstore(_2, mload(mload(dst_1)))
+                        if iszero(lt(1, mload(memPtr))) { panic_error_0x32() }
+                        let _8 := mload(mload(add(memPtr, _1)))
+                        sstore(0x02, _8)
+                        let memPtr_2 := mload(_1)
+                        let newFreePtr_2 := add(memPtr_2, 160)
+                        if or(gt(newFreePtr_2, _4), lt(newFreePtr_2, memPtr_2)) { panic_error_0x41() }
+                        mstore(_1, newFreePtr_2)
+                        mstore(memPtr_2, 100)
+                        mstore(add(memPtr_2, _3), "longstringlongstringlongstringlo")
+                        mstore(add(memPtr_2, _1), "ngstringlongstringlongstringlong")
+                        let _9 := 96
+                        mstore(add(memPtr_2, _9), "stringlongstringlongstringlongst")
+                        mstore(add(memPtr_2, 128), "ring")
+                        let memPos := mload(_1)
+                        mstore(memPos, _8)
+                        mstore(add(memPos, _3), _1)
+                        let length := mload(memPtr_2)
+                        mstore(add(memPos, _1), length)
+                        let i_1 := _2
+                        for { } lt(i_1, length) { i_1 := add(i_1, _3) }
+                        {
+                            mstore(add(add(memPos, i_1), _9), mload(add(add(memPtr_2, i_1), _3)))
+                        }
+                        if gt(i_1, length)
+                        {
+                            mstore(add(add(memPos, length), _9), _2)
+                        }
+                        return(memPos, add(sub(add(memPos, and(add(length, 31), _7)), memPos), _9))
                     }
                 }
                 revert(0, 0)
             }
-            function abi_encode_uint256_string(headStart, value0, value1) -> tail
-            {
-                mstore(headStart, value0)
-                let _1 := 32
-                mstore(add(headStart, _1), 64)
-                let length := mload(value1)
-                mstore(add(headStart, 64), length)
-                let i := 0
-                for { } lt(i, length) { i := add(i, _1) }
-                {
-                    mstore(add(add(headStart, i), 96), mload(add(add(value1, i), _1)))
-                }
-                if gt(i, length)
-                {
-                    mstore(add(add(headStart, length), 96), 0)
-                }
-                tail := add(add(headStart, and(add(length, 31), not(31))), 96)
-            }
-            function allocate_memory_1228() -> memPtr
-            {
-                memPtr := mload(64)
-                let newFreePtr := add(memPtr, 32)
-                if or(gt(newFreePtr, 0xffffffffffffffff), lt(newFreePtr, memPtr)) { panic_error_0x41() }
-                mstore(64, newFreePtr)
-            }
-            function allocate_memory(size) -> memPtr
-            {
-                memPtr := mload(64)
-                let newFreePtr := add(memPtr, and(add(size, 31), not(31)))
-                if or(gt(newFreePtr, 0xffffffffffffffff), lt(newFreePtr, memPtr)) { panic_error_0x41() }
-                mstore(64, newFreePtr)
-            }
-            function fun_sumArray(var_s_mpos) -> var, var_mpos
-            {
-                if iszero(mload(var_s_mpos)) { panic_error_0x32() }
-                sstore(0x00, mload(mload(add(var_s_mpos, 32))))
-                if iszero(lt(1, mload(var_s_mpos))) { panic_error_0x32() }
-                let _1 := mload(mload(add(var_s_mpos, 64)))
-                sstore(0x02, _1)
-                var := _1
-                let memPtr := mload(64)
-                let newFreePtr := add(memPtr, 160)
-                if or(gt(newFreePtr, 0xffffffffffffffff), lt(newFreePtr, memPtr)) { panic_error_0x41() }
-                mstore(64, newFreePtr)
-                mstore(memPtr, 100)
-                mstore(add(memPtr, 32), "longstringlongstringlongstringlo")
-                mstore(add(memPtr, 64), "ngstringlongstringlongstringlong")
-                mstore(add(memPtr, 96), "stringlongstringlongstringlongst")
-                mstore(add(memPtr, 128), "ring")
-                var_mpos := memPtr
-            }
             function panic_error_0x32()
             {
                 mstore(0, shl(224, 0x4e487b71))

test/cmdlineTests/object_compiler/output

@@ -23,7 +23,7 @@ object "MyContract" {
 
 
 Binary representation:
-33600055600b806012600039806000f350fe60005460005260206000f3
+33600055600b8060106000396000f3fe60005460005260206000f3
 
 Text representation:
     /* "object_compiler/input.yul":128:136   */
@@ -32,21 +32,19 @@ Text representation:
   0x00
     /* "object_compiler/input.yul":118:137   */
   sstore
-  dataSize(sub_0)
     /* "object_compiler/input.yul":240:259   */
+  dataSize(sub_0)
   dup1
+    /* "object_compiler/input.yul":217:238   */
   dataOffset(sub_0)
     /* "object_compiler/input.yul":125:126   */
   0x00
     /* "object_compiler/input.yul":205:260   */
   codecopy
-    /* "object_compiler/input.yul":275:294   */
-  dup1
     /* "object_compiler/input.yul":125:126   */
   0x00
     /* "object_compiler/input.yul":265:295   */
   return
-  pop
 stop
 
 sub_0: assembly {

test/cmdlineTests/optimizer_array_sload/output

@@ -43,16 +43,12 @@ object "Arraysum_34" {
                             var_sum := add(var_sum, _3)
                         }
                         let memPos := mload(64)
-                        return(memPos, sub(abi_encode_uint256(memPos, var_sum), memPos))
+                        mstore(memPos, var_sum)
+                        return(memPos, 32)
                     }
                 }
                 revert(0, 0)
             }
-            function abi_encode_uint256(headStart, value0) -> tail
-            {
-                tail := add(headStart, 32)
-                mstore(headStart, value0)
-            }
             function panic_error_0x11()
             {
                 mstore(0, shl(224, 0x4e487b71))

test/cmdlineTests/standard_yul_optimiserSteps/output.json

@@ -1,18 +1,14 @@
-{"contracts":{"A":{"object":{"evm":{"assembly":"    /* \"A\":17:18   */
+{"contracts":{"A":{"object":{"evm":{"assembly":"    /* \"A\":38:39   */
   0x00
+  dup1
+  dup1
     /* \"A\":11:19   */
   mload
-    /* \"A\":38:39   */
-  0x00
-    /* \"A\":34:35   */
-  0x00
-    /* \"A\":31:32   */
-  dup3
     /* \"A\":27:36   */
   add
     /* \"A\":20:40   */
   sstore
-  pop
+  stop
 ","bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"<BYTECODE REMOVED>","opcodes":"<OPCODES REMOVED>","sourceMap":"<SOURCEMAP REMOVED>"}},"ir":"object \"object\" {
     code {
         let x := mload(0)

test/cmdlineTests/standard_yul_optimized/output.json

@@ -1,10 +1,11 @@
 {"contracts":{"A":{"object":{"evm":{"assembly":"    /* \"A\":17:18   */
   0x00
-  0x00
+  dup1
     /* \"A\":11:19   */
   mload
     /* \"A\":20:40   */
   sstore
+  stop
 ","bytecode":{"functionDebugData":{},"generatedSources":[],"linkReferences":{},"object":"<BYTECODE REMOVED>","opcodes":"<OPCODES REMOVED>","sourceMap":"<SOURCEMAP REMOVED>"}},"ir":"object \"object\" {
     code {
         let x := mload(0)

test/cmdlineTests/strict_asm_optimizer_steps/output

@@ -24,7 +24,7 @@ object "C_6" {
 
 
 Binary representation:
-60806040523415600f5760006000fd5b6010601d60003960106000f3fe608060405260043610155060006000fd
+6080604052346016575b600f601c600039600f6000f35b600080fdfe6080604052600436101550600080fd
 
 Text representation:
     /* "strict_asm_optimizer_steps/input.yul":45:48   */
@@ -34,32 +34,28 @@ Text representation:
     /* "strict_asm_optimizer_steps/input.yul":34:49   */
   mstore
     /* "strict_asm_optimizer_steps/input.yul":61:72   */
-  callvalue
-    /* "strict_asm_optimizer_steps/input.yul":58:60   */
-  iszero
-  tag_1
-  jumpi
-    /* "strict_asm_optimizer_steps/input.yul":85:86   */
-  0x00
-    /* "strict_asm_optimizer_steps/input.yul":82:83   */
-  0x00
-    /* "strict_asm_optimizer_steps/input.yul":75:87   */
-  revert
-    /* "strict_asm_optimizer_steps/input.yul":58:60   */
-tag_1:
-    /* "strict_asm_optimizer_steps/input.yul":98:163   */
+  jumpi(tag_1, callvalue)
+tag_2:
+    /* "strict_asm_optimizer_steps/input.yul":138:162   */
   dataSize(sub_0)
+    /* "strict_asm_optimizer_steps/input.yul":110:136   */
   dataOffset(sub_0)
     /* "strict_asm_optimizer_steps/input.yul":107:108   */
   0x00
     /* "strict_asm_optimizer_steps/input.yul":98:163   */
   codecopy
-    /* "strict_asm_optimizer_steps/input.yul":172:207   */
+    /* "strict_asm_optimizer_steps/input.yul":182:206   */
   dataSize(sub_0)
     /* "strict_asm_optimizer_steps/input.yul":179:180   */
   0x00
     /* "strict_asm_optimizer_steps/input.yul":172:207   */
   return
+tag_1:
+    /* "strict_asm_optimizer_steps/input.yul":85:86   */
+  0x00
+  dup1
+    /* "strict_asm_optimizer_steps/input.yul":75:87   */
+  revert
 stop
 
 sub_0: assembly {
@@ -81,8 +77,7 @@ sub_0: assembly {
       pop
         /* "strict_asm_optimizer_steps/input.yul":570:571   */
       0x00
-        /* "strict_asm_optimizer_steps/input.yul":567:568   */
-      0x00
+      dup1
         /* "strict_asm_optimizer_steps/input.yul":560:572   */
       revert
 }

test/cmdlineTests/viair_subobjects/output

@@ -1,9 +1,9 @@
 
 ======= viair_subobjects/input.sol:C =======
 Binary:
-60806040523415600f5760006000fd5b600a80601e608039806080f350fe608060405260006000fd
+6080604052346015575b600980601b6080396080f35b600080fdfe6080604052600080fd
 Binary of the runtime part:
-608060405260006000fd
+6080604052600080fd
 Optimized IR:
 /*******************************************************
  *                       WARNING                       *
@@ -35,9 +35,9 @@ object "C_3" {
 
 ======= viair_subobjects/input.sol:D =======
 Binary:
-608060405234156100105760006000fd5b60ba80610020608039806080f350fe6080604052600436101515608b576000803560e01c6326121ff0141560895734156027578081fd5b80600319360112156036578081fd5b6028806080016080811067ffffffffffffffff82111715606457634e487b7160e01b83526041600452602483fd5b508061009260803980608083f015156082576040513d83823e3d81fd505b5080604051f35b505b60006000fdfe60806040523415600f5760006000fd5b600a80601e608039806080f350fe608060405260006000fd
+608060405234610017575b60ba8061001d6080396080f35b600080fdfe60806040526004361015610013575b600080fd5b6000803560e01c6326121ff01461002b575b5061000e565b34610092575b8060031936011261008f575b60248060800167ffffffffffffffff6080821091111761007a575b80610096608039608082f01561006e575b604051f35b604051903d90823e3d90fd5b50602490634e487b7160e01b81526041600452fd5b80fd5b80fdfe6080604052346015575b600980601b6080396080f35b600080fdfe6080604052600080fd
 Binary of the runtime part:
-6080604052600436101515608b576000803560e01c6326121ff0141560895734156027578081fd5b80600319360112156036578081fd5b6028806080016080811067ffffffffffffffff82111715606457634e487b7160e01b83526041600452602483fd5b508061009260803980608083f015156082576040513d83823e3d81fd505b5080604051f35b505b60006000fdfe60806040523415600f5760006000fd5b600a80601e608039806080f350fe608060405260006000fd
+60806040526004361015610013575b600080fd5b6000803560e01c6326121ff01461002b575b5061000e565b34610092575b8060031936011261008f575b60248060800167ffffffffffffffff6080821091111761007a575b80610096608039608082f01561006e575b604051f35b604051903d90823e3d90fd5b50602490634e487b7160e01b81526041600452fd5b80fd5b80fdfe6080604052346015575b600980601b6080396080f35b600080fdfe6080604052600080fd
 Optimized IR:
 /*******************************************************
  *                       WARNING                       *

test/cmdlineTests/yul_stack_opt/output

@@ -39,167 +39,140 @@ object "object" {
 
 
 Binary representation:
-6001808155806002558060035580600455806005558060065580600755806008558060095580600a5580600b5580600c5580600d55808155806002558060035580600455806005558060065580600755806008558060095580600a5580600b5580600c5580600d5580815550
+6001808055806002558060035580600455806005558060065580600755806008558060095580600a5580600b5580600c5580600d55808055806002558060035580600455806005558060065580600755806008558060095580600a5580600b5580600c5580600d55805500
 
 Text representation:
     /* "yul_stack_opt/input.yul":98:99   */
   0x01
   dup1
-  dup2
+  dup1
     /* "yul_stack_opt/input.yul":129:141   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":151:160   */
   0x02
     /* "yul_stack_opt/input.yul":144:164   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":174:183   */
   0x03
     /* "yul_stack_opt/input.yul":167:187   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":197:206   */
   0x04
     /* "yul_stack_opt/input.yul":190:210   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":220:229   */
   0x05
     /* "yul_stack_opt/input.yul":213:233   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":243:252   */
   0x06
     /* "yul_stack_opt/input.yul":236:256   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":266:275   */
   0x07
     /* "yul_stack_opt/input.yul":259:279   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":289:298   */
   0x08
     /* "yul_stack_opt/input.yul":282:302   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":312:321   */
   0x09
     /* "yul_stack_opt/input.yul":305:325   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":335:344   */
   0x0a
     /* "yul_stack_opt/input.yul":328:348   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":358:368   */
   0x0b
     /* "yul_stack_opt/input.yul":351:372   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":382:392   */
   0x0c
     /* "yul_stack_opt/input.yul":375:396   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":406:416   */
   0x0d
     /* "yul_stack_opt/input.yul":399:420   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
-  dup2
+  dup1
     /* "yul_stack_opt/input.yul":129:141   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":151:160   */
   0x02
     /* "yul_stack_opt/input.yul":144:164   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":174:183   */
   0x03
     /* "yul_stack_opt/input.yul":167:187   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":197:206   */
   0x04
     /* "yul_stack_opt/input.yul":190:210   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":220:229   */
   0x05
     /* "yul_stack_opt/input.yul":213:233   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":243:252   */
   0x06
     /* "yul_stack_opt/input.yul":236:256   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":266:275   */
   0x07
     /* "yul_stack_opt/input.yul":259:279   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":289:298   */
   0x08
     /* "yul_stack_opt/input.yul":282:302   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":312:321   */
   0x09
     /* "yul_stack_opt/input.yul":305:325   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":335:344   */
   0x0a
     /* "yul_stack_opt/input.yul":328:348   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":358:368   */
   0x0b
     /* "yul_stack_opt/input.yul":351:372   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":382:392   */
   0x0c
     /* "yul_stack_opt/input.yul":375:396   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
     /* "yul_stack_opt/input.yul":406:416   */
   0x0d
     /* "yul_stack_opt/input.yul":399:420   */
   sstore
-    /* "yul_stack_opt/input.yul":98:99   */
   dup1
-  dup2
     /* "yul_stack_opt/input.yul":729:743   */
   sstore
-  pop
+  stop

test/cmdlineTests/yul_verbatim_msize/output

@@ -14,7 +14,7 @@ object "object" {
 
 
 Binary representation:
-612000515061616002600055
+61200051506161600260005500
 
 Text representation:
     /* "yul_verbatim_msize/input.yul":125:131   */
@@ -30,3 +30,4 @@ Text representation:
   0x00
     /* "yul_verbatim_msize/input.yul":162:174   */
   sstore
+  stop

test/libsolidity/semanticTests/abiEncoderV1/abi_decode_v2_storage.sol

@@ -24,6 +24,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0x20, 0x8, 0x40, 0x3, 0x9, 0xa, 0xb
-// gas irOptimized: 203921
+// gas irOptimized: 204081
 // gas legacy: 206126
 // gas legacyOptimized: 203105

test/libsolidity/semanticTests/abiEncoderV1/abi_encode_calldata_slice.sol

@@ -60,10 +60,10 @@ contract C {
 // compileViaYul: also
 // ----
 // test_bytes() ->
-// gas irOptimized: 465417
+// gas irOptimized: 390740
 // gas legacy: 423563
 // gas legacyOptimized: 331391
 // test_uint256() ->
-// gas irOptimized: 661059
+// gas irOptimized: 546333
 // gas legacy: 591392
 // gas legacyOptimized: 456137

test/libsolidity/semanticTests/abiEncoderV1/struct/struct_storage_ptr.sol

@@ -26,6 +26,6 @@ contract C {
 // ----
 // library: L
 // f() -> 8, 7, 1, 2, 7, 12
-// gas irOptimized: 168199
+// gas irOptimized: 166704
 // gas legacy: 169475
 // gas legacyOptimized: 167397

test/libsolidity/semanticTests/abiEncoderV2/abi_encode_calldata_slice.sol

@@ -61,10 +61,10 @@ contract C {
 // compileViaYul: also
 // ----
 // test_bytes() ->
-// gas irOptimized: 465417
+// gas irOptimized: 390740
 // gas legacy: 423563
 // gas legacyOptimized: 331391
 // test_uint256() ->
-// gas irOptimized: 661059
+// gas irOptimized: 546333
 // gas legacy: 591392
 // gas legacyOptimized: 456137

test/libsolidity/semanticTests/abiEncoderV2/abi_encode_v2.sol

@@ -53,6 +53,6 @@ contract C {
 // f2() -> 0x20, 0xa0, 0x1, 0x60, 0x2, 0x3, "abc"
 // f3() -> 0x20, 0xa0, 0x1, 0x60, 0x2, 0x3, "abc"
 // f4() -> 0x20, 0x160, 0x1, 0x80, 0xc0, 0x2, 0x3, "abc", 0x7, 0x40, 0x2, 0x2, 0x3
-// gas irOptimized: 113683
+// gas irOptimized: 113098
 // gas legacy: 114728
 // gas legacyOptimized: 112606

test/libsolidity/semanticTests/abiEncoderV2/abi_encode_v2_in_function_inherited_in_v1_contract.sol

@@ -32,6 +32,6 @@ contract C is B {
 // compileViaYul: also
 // ----
 // test() -> 77
-// gas irOptimized: 132435
+// gas irOptimized: 127054
 // gas legacy: 155249
 // gas legacyOptimized: 111743

test/libsolidity/semanticTests/abiEncoderV2/abi_encode_v2_in_modifier_used_in_v1_contract.sol

@@ -40,5 +40,5 @@ contract C is B {
 // compileViaYul: also
 // ----
 // test() -> 5, 10
-// gas irOptimized: 91524
+// gas irOptimized: 89080
 // gas legacy: 99137

test/libsolidity/semanticTests/abiEncoderV2/calldata_array.sol

@@ -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: 224675
+// gas irOptimized: 133946
 // gas legacy: 141900
 // gas legacyOptimized: 121788

test/libsolidity/semanticTests/abiEncoderV2/storage_array_encoding.sol

@@ -19,10 +19,10 @@ contract C {
 // compileViaYul: also
 // ----
 // h(uint256[2][]): 0x20, 3, 123, 124, 223, 224, 323, 324 -> 32, 256, 0x20, 3, 123, 124, 223, 224, 323, 324
-// gas irOptimized: 181410
+// gas irOptimized: 181484
 // gas legacy: 184929
 // gas legacyOptimized: 181504
 // i(uint256[2][2]): 123, 124, 223, 224 -> 32, 128, 123, 124, 223, 224
-// gas irOptimized: 112981
+// gas irOptimized: 112920
 // gas legacy: 115468
 // gas legacyOptimized: 112988

test/libsolidity/semanticTests/abiencodedecode/abi_decode_simple_storage.sol

@@ -11,6 +11,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f(bytes): 0x20, 0x80, 0x21, 0x40, 0x7, "abcdefg" -> 0x21, 0x40, 0x7, "abcdefg"
-// gas irOptimized: 136231
+// gas irOptimized: 136127
 // gas legacy: 137190
 // gas legacyOptimized: 136082

test/libsolidity/semanticTests/array/arrays_complex_from_and_to_storage.sol

@@ -14,7 +14,7 @@ contract Test {
 // compileViaYul: also
 // ----
 // set(uint24[3][]): 0x20, 0x06, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12 -> 0x06
-// gas irOptimized: 191293
+// gas irOptimized: 189863
 // gas legacy: 211485
 // gas legacyOptimized: 206394
 // data(uint256,uint256): 0x02, 0x02 -> 0x09

test/libsolidity/semanticTests/array/byte_array_storage_layout.sol

@@ -47,7 +47,7 @@ contract c {
 // gas legacyOptimized: 58606
 // storageEmpty -> 0
 // test_long() -> 67
-// gas irOptimized: 91520
+// gas irOptimized: 90990
 // gas legacy: 103590
 // gas legacyOptimized: 101044
 // storageEmpty -> 0

test/libsolidity/semanticTests/array/byte_array_transitional_2.sol

@@ -19,6 +19,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0
-// gas irOptimized: 171767
+// gas irOptimized: 161154
 // gas legacy: 189715
 // gas legacyOptimized: 184472

test/libsolidity/semanticTests/array/bytes_length_member.sol

@@ -15,7 +15,7 @@ contract c {
 // ----
 // getLength() -> 0
 // set(): 1, 2 -> true
-// gas irOptimized: 110570
+// gas irOptimized: 110451
 // gas legacy: 110726
 // gas legacyOptimized: 110567
 // getLength() -> 68

test/libsolidity/semanticTests/array/copying/array_copy_calldata_storage.sol

@@ -22,7 +22,7 @@ contract c {
 // compileViaYul: also
 // ----
 // store(uint256[9],uint8[3][]): 21, 22, 23, 24, 25, 26, 27, 28, 29, 0x140, 4, 1, 2, 3, 11, 12, 13, 21, 22, 23, 31, 32, 33 -> 32
-// gas irOptimized: 651816
+// gas irOptimized: 651532
 // gas legacy: 694515
 // gas legacyOptimized: 694013
 // retrieve() -> 9, 28, 9, 28, 4, 3, 32

test/libsolidity/semanticTests/array/copying/array_copy_cleanup_uint128.sol

@@ -23,6 +23,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> true
-// gas irOptimized: 92958
+// gas irOptimized: 91272
 // gas legacy: 93035
 // gas legacyOptimized: 92257

test/libsolidity/semanticTests/array/copying/array_copy_cleanup_uint40.sol

@@ -48,6 +48,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> true
-// gas irOptimized: 154441
+// gas irOptimized: 146336
 // gas legacy: 155961
 // gas legacyOptimized: 153588

test/libsolidity/semanticTests/array/copying/array_copy_clear_storage.sol

@@ -15,6 +15,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0
-// gas irOptimized: 135505
+// gas irOptimized: 134523
 // gas legacy: 135313
 // gas legacyOptimized: 134548

test/libsolidity/semanticTests/array/copying/array_copy_clear_storage_packed.sol

@@ -42,11 +42,11 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0
-// gas irOptimized: 92966
+// gas irOptimized: 91293
 // gas legacy: 93006
 // gas legacyOptimized: 92261
 // g() -> 0
 // h() -> 0
-// gas irOptimized: 93012
+// gas irOptimized: 91380
 // gas legacy: 93028
 // gas legacyOptimized: 92303

test/libsolidity/semanticTests/array/copying/array_copy_different_packing.sol

@@ -21,6 +21,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0x01000000000000000000000000000000000000000000000000, 0x02000000000000000000000000000000000000000000000000, 0x03000000000000000000000000000000000000000000000000, 0x04000000000000000000000000000000000000000000000000, 0x05000000000000000000000000000000000000000000000000
-// gas irOptimized: 214644
+// gas irOptimized: 210357
 // gas legacy: 221883
 // gas legacyOptimized: 220734

test/libsolidity/semanticTests/array/copying/array_copy_including_array.sol

@@ -37,12 +37,12 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0x02000202
-// gas irOptimized: 4690992
+// gas irOptimized: 4682282
 // gas legacy: 4578341
 // gas legacyOptimized: 4548354
 // storageEmpty -> 1
 // clear() -> 0, 0
-// gas irOptimized: 4516821
+// gas irOptimized: 4506598
 // gas legacy: 4410769
 // gas legacyOptimized: 4382531
 // storageEmpty -> 1

test/libsolidity/semanticTests/array/copying/array_copy_nested_array.sol

@@ -15,6 +15,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test(uint256[2][]): 32, 3, 7, 8, 9, 10, 11, 12 -> 10
-// gas irOptimized: 691977
+// gas irOptimized: 690179
 // gas legacy: 686268
 // gas legacyOptimized: 685688

test/libsolidity/semanticTests/array/copying/array_copy_storage_storage_different_base.sol

@@ -19,6 +19,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 5, 4
-// gas irOptimized: 226467
+// gas irOptimized: 225242
 // gas legacy: 233801
 // gas legacyOptimized: 232816

test/libsolidity/semanticTests/array/copying/array_copy_storage_storage_different_base_nested.sol

@@ -24,6 +24,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 3, 4
-// gas irOptimized: 191858
+// gas irOptimized: 190637
 // gas legacy: 195353
 // gas legacyOptimized: 192441

test/libsolidity/semanticTests/array/copying/array_copy_storage_storage_dyn_dyn.sol

@@ -17,7 +17,7 @@ contract c {
 // ----
 // setData1(uint256,uint256,uint256): 10, 5, 4 ->
 // copyStorageStorage() ->
-// gas irOptimized: 111563
+// gas irOptimized: 111429
 // gas legacy: 109278
 // gas legacyOptimized: 109268
 // getData2(uint256): 5 -> 10, 4

test/libsolidity/semanticTests/array/copying/array_copy_storage_storage_dynamic_dynamic.sol

@@ -20,6 +20,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 5, 4
-// gas irOptimized: 272786
+// gas irOptimized: 272096
 // gas legacy: 270834
 // gas legacyOptimized: 269960

test/libsolidity/semanticTests/array/copying/array_copy_storage_storage_static_dynamic.sol

@@ -14,6 +14,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 9, 4
-// gas irOptimized: 123375
+// gas irOptimized: 123221
 // gas legacy: 123579
 // gas legacyOptimized: 123208

test/libsolidity/semanticTests/array/copying/array_copy_storage_storage_static_static.sol

@@ -18,6 +18,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 8, 0
-// gas irOptimized: 236656
+// gas irOptimized: 236388
 // gas legacy: 234695
 // gas legacyOptimized: 234103

test/libsolidity/semanticTests/array/copying/array_copy_storage_storage_struct.sol

@@ -19,7 +19,7 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 4, 5
-// gas irOptimized: 240552
+// gas irOptimized: 239059
 // gas legacy: 238736
 // gas legacyOptimized: 237159
 // storageEmpty -> 1

test/libsolidity/semanticTests/array/copying/array_copy_storage_to_memory_nested.sol

@@ -17,6 +17,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0x20, 2, 0x40, 0xa0, 2, 0, 1, 2, 2, 3
-// gas irOptimized: 161991
+// gas irOptimized: 160944
 // gas legacy: 162278
 // gas legacyOptimized: 159955

test/libsolidity/semanticTests/array/copying/array_copy_target_leftover.sol

@@ -20,6 +20,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0xffffffff, 0x0000000000000000000000000a00090008000700060005000400030002000100, 0x0000000000000000000000000000000000000000000000000000000000000000
-// gas irOptimized: 140618
+// gas irOptimized: 126407
 // gas legacy: 186406
 // gas legacyOptimized: 166126

test/libsolidity/semanticTests/array/copying/array_copy_target_leftover2.sol

@@ -22,6 +22,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0x04000000000000000000000000000000000000000000000000, 0x0, 0x0
-// gas irOptimized: 95528
+// gas irOptimized: 92325
 // gas legacy: 97451
 // gas legacyOptimized: 94200

test/libsolidity/semanticTests/array/copying/array_copy_target_simple.sol

@@ -22,6 +22,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0x01000000000000000000000000000000000000000000000000, 0x02000000000000000000000000000000000000000000000000, 0x03000000000000000000000000000000000000000000000000, 0x04000000000000000000000000000000000000000000000000, 0x0
-// gas irOptimized: 296092
+// gas irOptimized: 293911
 // gas legacy: 303653
 // gas legacyOptimized: 301999

test/libsolidity/semanticTests/array/copying/array_copy_target_simple_2.sol

@@ -22,6 +22,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0x01000000000000000000000000000000000000000000000000, 0x02000000000000000000000000000000000000000000000000, 0x03000000000000000000000000000000000000000000000000, 0x04000000000000000000000000000000000000000000000000, 0x00
-// gas irOptimized: 274785
+// gas irOptimized: 273418
 // gas legacy: 276381
 // gas legacyOptimized: 275453

test/libsolidity/semanticTests/array/copying/array_nested_calldata_to_storage.sol

@@ -38,10 +38,10 @@ contract c {
 // compileViaYul: true
 // ----
 // test1(uint256[][]): 0x20, 2, 0x40, 0x40, 2, 23, 42 -> 2, 65
-// gas irOptimized: 182348
+// gas irOptimized: 180097
 // test2(uint256[][2]): 0x20, 0x40, 0x40, 2, 23, 42 -> 2, 65
-// gas irOptimized: 158638
+// gas irOptimized: 157464
 // test3(uint256[2][]): 0x20, 2, 23, 42, 23, 42 -> 2, 65
-// gas irOptimized: 135778
+// gas irOptimized: 134984
 // test4(uint256[2][2]): 23, 42, 23, 42 -> 65
-// gas irOptimized: 111695
+// gas irOptimized: 111483

test/libsolidity/semanticTests/array/copying/array_nested_memory_to_storage.sol

@@ -40,12 +40,12 @@ contract Test {
 // compileViaYul: also
 // ----
 // test() -> 24
-// gas irOptimized: 227891
+// gas irOptimized: 226186
 // gas legacy: 227133
 // gas legacyOptimized: 226547
 // test1() -> 3
 // test2() -> 6
 // test3() -> 24
-// gas irOptimized: 134338
+// gas irOptimized: 133423
 // gas legacy: 134295
 // gas legacyOptimized: 133383

test/libsolidity/semanticTests/array/copying/array_of_struct_calldata_to_storage.sol

@@ -17,4 +17,4 @@ contract C {
 // compileViaYul: true
 // ----
 // f((uint128,uint64,uint128)[]): 0x20, 3, 0, 0, 12, 0, 11, 0, 10, 0, 0 -> 10, 11, 12
-// gas irOptimized: 121461
+// gas irOptimized: 120509

test/libsolidity/semanticTests/array/copying/array_of_struct_memory_to_storage.sol

@@ -19,4 +19,4 @@ contract C {
 // compileViaYul: true
 // ----
 // f() -> 10, 11, 12
-// gas irOptimized: 120457
+// gas irOptimized: 119248

test/libsolidity/semanticTests/array/copying/array_of_structs_containing_arrays_calldata_to_storage.sol

@@ -23,4 +23,4 @@ contract C {
 // compileViaYul: true
 // ----
 // f((uint256[])[]): 0x20, 3, 0x60, 0x60, 0x60, 0x20, 3, 1, 2, 3 -> 3, 1
-// gas irOptimized: 332878
+// gas irOptimized: 321914

test/libsolidity/semanticTests/array/copying/array_of_structs_containing_arrays_memory_to_storage.sol

@@ -26,4 +26,4 @@ contract C {
 // compileViaYul: true
 // ----
 // f() -> 3, 3, 3, 1
-// gas irOptimized: 185077
+// gas irOptimized: 183750

test/libsolidity/semanticTests/array/copying/array_storage_multi_items_per_slot.sol

@@ -15,6 +15,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 1, 2, 3
-// gas irOptimized: 133671
+// gas irOptimized: 132265
 // gas legacy: 134619
 // gas legacyOptimized: 131940

test/libsolidity/semanticTests/array/copying/arrays_from_and_to_storage.sol

@@ -12,7 +12,7 @@ contract Test {
 // compileViaYul: also
 // ----
 // set(uint24[]): 0x20, 18, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 -> 18
-// gas irOptimized: 101659
+// gas irOptimized: 99934
 // gas legacy: 103815
 // gas legacyOptimized: 101614
 // data(uint256): 7 -> 8

test/libsolidity/semanticTests/array/copying/bytes_inside_mappings.sol

@@ -7,11 +7,11 @@ contract c {
 // compileViaYul: also
 // ----
 // set(uint256): 1, 2 -> true
-// gas irOptimized: 110824
+// gas irOptimized: 110621
 // gas legacy: 111091
 // gas legacyOptimized: 110736
 // set(uint256): 2, 2, 3, 4, 5 -> true
-// gas irOptimized: 177811
+// gas irOptimized: 177590
 // gas legacy: 178021
 // gas legacyOptimized: 177666
 // storageEmpty -> 0

test/libsolidity/semanticTests/array/copying/bytes_storage_to_storage.sol

@@ -19,25 +19,25 @@ contract c {
 // ----
 // f(uint256): 0 -> 0x20, 0x00
 // f(uint256): 31 -> 0x20, 0x1f, 0x0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e00
-// gas irOptimized: 135396
+// gas irOptimized: 114862
 // gas legacy: 124364
 // gas legacyOptimized: 119898
 // f(uint256): 32 -> 0x20, 0x20, 1780731860627700044960722568376592200742329637303199754547598369979440671
-// gas irOptimized: 142291
+// gas irOptimized: 121021
 // gas legacy: 135431
 // gas legacyOptimized: 130829
 // f(uint256): 33 -> 0x20, 33, 1780731860627700044960722568376592200742329637303199754547598369979440671, 0x2000000000000000000000000000000000000000000000000000000000000000
-// gas irOptimized: 149603
+// gas irOptimized: 127832
 // gas legacy: 142238
 // gas legacyOptimized: 137518
 // f(uint256): 63 -> 0x20, 0x3f, 1780731860627700044960722568376592200742329637303199754547598369979440671, 14532552714582660066924456880521368950258152170031413196862950297402215316992
-// gas irOptimized: 174873
+// gas irOptimized: 133392
 // gas legacy: 160728
 // gas legacyOptimized: 152168
 // f(uint256): 12 -> 0x20, 0x0c, 0x0102030405060708090a0b0000000000000000000000000000000000000000
 // gas legacy: 59345
 // gas legacyOptimized: 57279
 // f(uint256): 129 -> 0x20, 0x81, 1780731860627700044960722568376592200742329637303199754547598369979440671, 0x202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f, 29063324697304692433803953038474361308315562010425523193971352996434451193439, 0x606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f, -57896044618658097711785492504343953926634992332820282019728792003956564819968
-// gas irOptimized: 452115
+// gas irOptimized: 367467
 // gas legacy: 423017
 // gas legacyOptimized: 406021

test/libsolidity/semanticTests/array/copying/calldata_array_dynamic_to_storage.sol

@@ -11,6 +11,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f(uint256[]): 0x20, 0x03, 0x1, 0x2, 0x3 -> 0x1
-// gas irOptimized: 111384
+// gas irOptimized: 111103
 // gas legacy: 111565
 // gas legacyOptimized: 111347

test/libsolidity/semanticTests/array/copying/copy_byte_array_in_struct_to_storage.sol

@@ -37,11 +37,11 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0x40, 0x80, 6, 0x6162636465660000000000000000000000000000000000000000000000000000, 0x49, 0x3132333435363738393031323334353637383930313233343536373839303120, 0x3132333435363738393031323334353637383930313233343536373839303120, 0x3132333435363738390000000000000000000000000000000000000000000000
-// gas irOptimized: 180274
+// gas irOptimized: 180098
 // gas legacy: 180694
 // gas legacyOptimized: 180088
 // g() -> 0x40, 0xc0, 0x49, 0x3132333435363738393031323334353637383930313233343536373839303120, 0x3132333435363738393031323334353637383930313233343536373839303120, 0x3132333435363738390000000000000000000000000000000000000000000000, 0x11, 0x3132333435363738393233343536373839000000000000000000000000000000
-// gas irOptimized: 107618
+// gas irOptimized: 107525
 // gas legacy: 107895
 // gas legacyOptimized: 107254
 // h() -> 0x40, 0x60, 0x00, 0x00

test/libsolidity/semanticTests/array/copying/copy_byte_array_to_storage.sol

@@ -48,6 +48,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0xff
-// gas irOptimized: 122009
+// gas irOptimized: 120116
 // gas legacy: 126745
 // gas legacyOptimized: 123476

test/libsolidity/semanticTests/array/copying/copy_function_storage_array.sol

@@ -18,6 +18,6 @@ contract C {
 // compileViaYul: also
 // ----
 // test() -> 7
-// gas irOptimized: 127846
+// gas irOptimized: 126713
 // gas legacy: 205196
 // gas legacyOptimized: 204987

test/libsolidity/semanticTests/array/copying/copy_removes_bytes_data.sol

@@ -9,7 +9,7 @@ contract c {
 // compileViaYul: also
 // ----
 // set(): 1, 2, 3, 4, 5 -> true
-// gas irOptimized: 177557
+// gas irOptimized: 177429
 // gas legacy: 177656
 // gas legacyOptimized: 177496
 // storageEmpty -> 0

test/libsolidity/semanticTests/array/copying/memory_dyn_2d_bytes_to_storage.sol

@@ -20,6 +20,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 3
-// gas irOptimized: 134208
+// gas irOptimized: 128887
 // gas legacy: 130307
 // gas legacyOptimized: 129363

test/libsolidity/semanticTests/array/copying/storage_memory_nested.sol

@@ -19,6 +19,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 1, 2, 3, 4, 5, 6, 7
-// gas irOptimized: 209108
+// gas irOptimized: 205948
 // gas legacy: 212325
 // gas legacyOptimized: 211486

test/libsolidity/semanticTests/array/copying/storage_memory_nested_bytes.sol

@@ -13,6 +13,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0x20, 0x02, 0x40, 0x80, 3, 0x6162630000000000000000000000000000000000000000000000000000000000, 0x99, 44048183304486788312148433451363384677562265908331949128489393215789685032262, 32241931068525137014058842823026578386641954854143559838526554899205067598957, 49951309422467613961193228765530489307475214998374779756599339590522149884499, 0x54555658595a6162636465666768696a6b6c6d6e6f707172737475767778797a, 0x4142434445464748494a4b4c4d4e4f5051525354555658595a00000000000000
-// gas irOptimized: 203063
+// gas irOptimized: 203008
 // gas legacy: 204459
 // gas legacyOptimized: 203437

test/libsolidity/semanticTests/array/copying/storage_memory_nested_from_pointer.sol

@@ -20,6 +20,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 1, 2, 3, 4, 5, 6, 7
-// gas irOptimized: 209108
+// gas irOptimized: 205948
 // gas legacy: 212330
 // gas legacyOptimized: 211491

test/libsolidity/semanticTests/array/copying/storage_memory_nested_struct.sol

@@ -26,6 +26,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 11, 0x0c, 1, 0x15, 22, 4
-// gas irOptimized: 293695
+// gas irOptimized: 291768
 // gas legacy: 293516
 // gas legacyOptimized: 290263

test/libsolidity/semanticTests/array/copying/storage_memory_packed_dyn.sol

@@ -15,6 +15,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 2, 3, 4
-// gas irOptimized: 115383
+// gas irOptimized: 118794
 // gas legacy: 126449
 // gas legacyOptimized: 120902

test/libsolidity/semanticTests/array/create_memory_array.sol

@@ -20,6 +20,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> "A", 8, 4, "B"
-// gas irOptimized: 150997
+// gas irOptimized: 128810
 // gas legacy: 121398
 // gas legacyOptimized: 115494

test/libsolidity/semanticTests/array/delete/bytes_delete_element.sol

@@ -18,6 +18,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test1() -> true
-// gas irOptimized: 244579
+// gas irOptimized: 212092
 // gas legacy: 255577
 // gas legacyOptimized: 248611

test/libsolidity/semanticTests/array/delete/delete_storage_array_packed.sol

@@ -16,4 +16,4 @@ contract C {
 // compileViaYul: also
 // ----
 // f() -> 0, 0, 0
-// gas irOptimized: 91179
+// gas irOptimized: 90107

test/libsolidity/semanticTests/array/dynamic_array_cleanup.sol

@@ -16,7 +16,7 @@ contract c {
 // ----
 // storageEmpty -> 1
 // fill() ->
-// gas irOptimized: 520998
+// gas irOptimized: 520360
 // gas legacy: 521773
 // gas legacyOptimized: 517048
 // storageEmpty -> 0

test/libsolidity/semanticTests/array/dynamic_arrays_in_storage.sol

@@ -44,7 +44,7 @@ contract c {
 // ----
 // getLengths() -> 0, 0
 // setLengths(uint256,uint256): 48, 49 ->
-// gas irOptimized: 108326
+// gas irOptimized: 103558
 // gas legacy: 108571
 // gas legacyOptimized: 100417
 // getLengths() -> 48, 49

test/libsolidity/semanticTests/array/dynamic_multi_array_cleanup.sol

@@ -18,7 +18,7 @@ contract c {
 // ----
 // storageEmpty -> 1
 // fill() -> 8
-// gas irOptimized: 124480
+// gas irOptimized: 116558
 // gas legacy: 121756
 // gas legacyOptimized: 120687
 // storageEmpty -> 0

test/libsolidity/semanticTests/array/fixed_array_cleanup.sol

@@ -13,7 +13,7 @@ contract c {
 // ----
 // storageEmpty -> 1
 // fill() ->
-// gas irOptimized: 465878
+// gas irOptimized: 465538
 // gas legacy: 471460
 // gas legacyOptimized: 467520
 // storageEmpty -> 0

test/libsolidity/semanticTests/array/fixed_arrays_as_return_type.sol

@@ -21,6 +21,6 @@ contract B {
 // compileViaYul: also
 // ----
 // f() -> 2, 3, 4, 5, 6, 1000, 1001, 1002, 1003, 1004
-// gas irOptimized: 133483
+// gas irOptimized: 116423
 // gas legacy: 235167
 // gas legacyOptimized: 133299

test/libsolidity/semanticTests/array/function_array_cross_calls.sol

@@ -45,6 +45,6 @@ contract C {
 // compileViaYul: also
 // ----
 // test() -> 5, 6, 7
-// gas irOptimized: 337455
+// gas irOptimized: 314380
 // gas legacy: 463662
 // gas legacyOptimized: 296513

test/libsolidity/semanticTests/array/pop/array_pop_array_transition.sol

@@ -25,7 +25,7 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 1, 2, 3
-// gas irOptimized: 2280897
+// gas irOptimized: 2270841
 // gas legacy: 2273722
 // gas legacyOptimized: 2262396
 // storageEmpty -> 1

test/libsolidity/semanticTests/array/pop/array_pop_uint16_transition.sol

@@ -20,7 +20,7 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 38, 28, 18
-// gas irOptimized: 195867
+// gas irOptimized: 187932
 // gas legacy: 189780
 // gas legacyOptimized: 178870
 // storageEmpty -> 1

test/libsolidity/semanticTests/array/pop/array_pop_uint24_transition.sol

@@ -20,7 +20,7 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 20, 10
-// gas irOptimized: 163721
+// gas irOptimized: 159134
 // gas legacy: 159459
 // gas legacyOptimized: 153281
 // storageEmpty -> 1

test/libsolidity/semanticTests/array/pop/byte_array_pop_copy_long.sol

@@ -12,6 +12,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0x20, 29, 0x0303030303030303030303030303030303030303030303030303030303000000
-// gas irOptimized: 112526
+// gas irOptimized: 111672
 // gas legacy: 127309
 // gas legacyOptimized: 124136

test/libsolidity/semanticTests/array/pop/byte_array_pop_long_storage_empty.sol

@@ -18,7 +18,7 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> true
-// gas irOptimized: 219418
+// gas irOptimized: 184772
 // gas legacy: 229864
 // gas legacyOptimized: 210964
 // storageEmpty -> 1

test/libsolidity/semanticTests/array/pop/byte_array_pop_long_storage_empty_garbage_ref.sol

@@ -17,7 +17,7 @@ contract c {
 // compileViaYul: also
 // ----
 // test() ->
-// gas irOptimized: 150914
+// gas irOptimized: 146901
 // gas legacy: 165363
 // gas legacyOptimized: 159446
 // storageEmpty -> 1

test/libsolidity/semanticTests/array/pop/byte_array_pop_masking_long.sol

@@ -12,6 +12,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0x20, 33, 0x303030303030303030303030303030303030303030303030303030303030303, 0x0300000000000000000000000000000000000000000000000000000000000000
-// gas irOptimized: 110514
+// gas irOptimized: 109293
 // gas legacy: 126187
 // gas legacyOptimized: 123261

test/libsolidity/semanticTests/array/push/array_push.sol

@@ -18,6 +18,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 5, 4, 3, 3
-// gas irOptimized: 111269
+// gas irOptimized: 110866
 // gas legacy: 111838
 // gas legacyOptimized: 111128

test/libsolidity/semanticTests/array/push/array_push_nested_from_calldata.sol

@@ -14,6 +14,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f(uint120[]): 0x20, 3, 1, 2, 3 -> 1
-// gas irOptimized: 113684
+// gas irOptimized: 112175
 // gas legacy: 113686
 // gas legacyOptimized: 113499

test/libsolidity/semanticTests/array/push/array_push_packed_array.sol

@@ -16,6 +16,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 1, 2, 3, 4
-// gas irOptimized: 93083
+// gas irOptimized: 91505
 // gas legacy: 92798
 // gas legacyOptimized: 92062

test/libsolidity/semanticTests/array/push/array_push_struct.sol

@@ -22,6 +22,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 2, 3, 4, 5
-// gas irOptimized: 138070
+// gas irOptimized: 136581
 // gas legacy: 147484
 // gas legacyOptimized: 146456

test/libsolidity/semanticTests/array/push/array_push_struct_from_calldata.sol

@@ -18,6 +18,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test((uint16,uint16,uint16[3],uint16[])): 0x20, 2, 3, 0, 0, 4, 0xC0, 4, 0, 0, 5, 0, 0 -> 2, 3, 4, 5
-// gas irOptimized: 139798
+// gas irOptimized: 138718
 // gas legacy: 144322
 // gas legacyOptimized: 139171

test/libsolidity/semanticTests/array/push/byte_array_push_transition.sol

@@ -17,6 +17,6 @@ contract c {
 // compileViaYul: also
 // ----
 // test() -> 0
-// gas irOptimized: 195787
+// gas irOptimized: 178770
 // gas legacy: 218028
 // gas legacyOptimized: 205124

test/libsolidity/semanticTests/array/push/nested_bytes_push.sol

@@ -15,6 +15,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f() ->
-// gas irOptimized: 180067
+// gas irOptimized: 179269
 // gas legacy: 180620
 // gas legacyOptimized: 180403

test/libsolidity/semanticTests/array/push/push_no_args_2d.sol

@@ -29,14 +29,14 @@ contract C {
 // ----
 // l() -> 0
 // f(uint256,uint256): 42, 64 ->
-// gas irOptimized: 116221
+// gas irOptimized: 113221
 // gas legacy: 108234
 // gas legacyOptimized: 102245
 // l() -> 1
 // ll(uint256): 0 -> 43
 // a(uint256,uint256): 0, 42 -> 64
 // f(uint256,uint256): 84, 128 ->
-// gas irOptimized: 123537
+// gas irOptimized: 117765
 // gas legacy: 107780
 // gas legacyOptimized: 96331
 // l() -> 2

test/libsolidity/semanticTests/array/push/push_no_args_bytes.sol

@@ -23,7 +23,7 @@ contract C {
 // ----
 // l() -> 0
 // g(uint256): 70 ->
-// gas irOptimized: 194029
+// gas irOptimized: 189335
 // gas legacy: 184991
 // gas legacyOptimized: 180608
 // l() -> 70

test/libsolidity/semanticTests/array/reusing_memory.sol

@@ -26,6 +26,6 @@ contract Main {
 // compileViaYul: also
 // ----
 // f(uint256): 0x34 -> 0x46bddb1178e94d7f2892ff5f366840eb658911794f2c3a44c450aa2c505186c1
-// gas irOptimized: 115243
+// gas irOptimized: 114323
 // gas legacy: 126852
 // gas legacyOptimized: 114079

test/libsolidity/semanticTests/constructor/arrays_in_constructors.sol

@@ -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: 486618
+// gas irOptimized: 452561
 // gas legacy: 592626
 // gas legacyOptimized: 450224

test/libsolidity/semanticTests/constructor/bytes_in_constructors_packer.sol

@@ -26,6 +26,6 @@ contract Creator {
 // compileViaYul: also
 // ----
 // f(uint256,bytes): 7, 0x40, 78, "abcdefghijklmnopqrstuvwxyzabcdef", "ghijklmnopqrstuvwxyzabcdefghijkl", "mnopqrstuvwxyz" -> 7, "h"
-// gas irOptimized: 336157
+// gas irOptimized: 307271
 // gas legacy: 429173
 // gas legacyOptimized: 298384

test/libsolidity/semanticTests/constructor/no_callvalue_check.sol

@@ -19,6 +19,6 @@ contract C {
 // compileViaYul: also
 // ----
 // f(), 2000 ether -> true
-// gas irOptimized: 123743
+// gas irOptimized: 123029
 // gas legacy: 123226
 // gas legacyOptimized: 123092

test/libsolidity/semanticTests/events/event_dynamic_array_storage.sol

@@ -15,6 +15,6 @@ contract C {
 // ----
 // createEvent(uint256): 42 ->
 // ~ emit E(uint256[]): 0x20, 0x03, 0x2a, 0x2b, 0x2c
-// gas irOptimized: 115211
+// gas irOptimized: 113763
 // gas legacy: 116393
 // gas legacyOptimized: 114415

test/libsolidity/semanticTests/events/event_dynamic_array_storage_v2.sol

@@ -16,6 +16,6 @@ contract C {
 // ----
 // createEvent(uint256): 42 ->
 // ~ emit E(uint256[]): 0x20, 0x03, 0x2a, 0x2b, 0x2c
-// gas irOptimized: 115211
+// gas irOptimized: 113763
 // gas legacy: 116393
 // gas legacyOptimized: 114415

test/libsolidity/semanticTests/events/event_dynamic_nested_array_storage_v2.sol

@@ -17,6 +17,6 @@ contract C {
 // ----
 // createEvent(uint256): 42 ->
 // ~ emit E(uint256[][]): 0x20, 0x02, 0x40, 0xa0, 0x02, 0x2a, 0x2b, 0x02, 0x2c, 0x2d
-// gas irOptimized: 185905
+// gas irOptimized: 183740
 // gas legacy: 187621
 // gas legacyOptimized: 184551

test/libsolidity/semanticTests/events/event_indexed_mixed.sol

@@ -13,6 +13,6 @@ contract C {
 // ----
 // deposit() ->
 // ~ emit E(uint256,uint256,uint256,bytes): #0x02, 0x01, 0x03, 0x60, 0x03, "def"
-// gas irOptimized: 23685
+// gas irOptimized: 23672
 // gas legacy: 24170
 // gas legacyOptimized: 23753

test/libsolidity/semanticTests/events/event_indexed_string.sol

@@ -19,6 +19,6 @@ contract C {
 // ----
 // deposit() ->
 // ~ emit E(string,uint256[4]): #0xa7fb06bb999a5eb9aff9e0779953f4e1e4ce58044936c2f51c7fb879b85c08bd, #0xe755d8cc1a8cde16a2a31160dcd8017ac32d7e2f13215b29a23cdae40a78aa81
-// gas irOptimized: 368478
+// gas irOptimized: 344935
 // gas legacy: 390742
 // gas legacyOptimized: 376774

test/libsolidity/semanticTests/externalContracts/deposit_contract.sol

@@ -178,35 +178,35 @@ contract DepositContract is IDepositContract, ERC165 {
 // compileViaYul: also
 // ----
 // constructor()
-// gas irOptimized: 1805935
+// gas irOptimized: 1624131
 // gas legacy: 2580394
-// gas legacyOptimized: 1803757
+// gas legacyOptimized: 1775403
 // supportsInterface(bytes4): 0x0 -> 0
 // supportsInterface(bytes4): 0xffffffff00000000000000000000000000000000000000000000000000000000 -> false # defined to be false by ERC-165 #
 // supportsInterface(bytes4): 0x01ffc9a700000000000000000000000000000000000000000000000000000000 -> true # ERC-165 id #
 // supportsInterface(bytes4): 0x8564090700000000000000000000000000000000000000000000000000000000 -> true # the deposit interface id #
 // get_deposit_root() -> 0xd70a234731285c6804c2a4f56711ddb8c82c99740f207854891028af34e27e5e
-// gas irOptimized: 127482
+// gas irOptimized: 120024
 // gas legacy: 150465
 // gas legacyOptimized: 122798
 // get_deposit_count() -> 0x20, 8, 0 # TODO: check balance and logs after each deposit #
 // deposit(bytes,bytes,bytes,bytes32), 32 ether: 0 -> FAILURE # Empty input #
 // get_deposit_root() -> 0xd70a234731285c6804c2a4f56711ddb8c82c99740f207854891028af34e27e5e
-// gas irOptimized: 127482
+// gas irOptimized: 120024
 // gas legacy: 150465
 // gas legacyOptimized: 122798
 // get_deposit_count() -> 0x20, 8, 0
 // deposit(bytes,bytes,bytes,bytes32), 1 ether: 0x80, 0xe0, 0x120, 0xaa4a8d0b7d9077248630f1a4701ae9764e42271d7f22b7838778411857fd349e, 0x30, 0x933ad9491b62059dd065b560d256d8957a8c402cc6e8d8ee7290ae11e8f73292, 0x67a8811c397529dac52ae1342ba58c9500000000000000000000000000000000, 0x20, 0x00f50428677c60f997aadeab24aabf7fceaef491c96a52b463ae91f95611cf71, 0x60, 0xa29d01cc8c6296a8150e515b5995390ef841dc18948aa3e79be6d7c1851b4cbb, 0x5d6ff49fa70b9c782399506a22a85193151b9b691245cebafd2063012443c132, 0x4b6c36debaedefb7b2d71b0503ffdc00150aaffd42e63358238ec888901738b8 -> # txhash: 0x7085c586686d666e8bb6e9477a0f0b09565b2060a11f1c4209d3a52295033832 #
 // ~ emit DepositEvent(bytes,bytes,bytes,bytes,bytes): 0xa0, 0x0100, 0x0140, 0x0180, 0x0200, 0x30, 0x933ad9491b62059dd065b560d256d8957a8c402cc6e8d8ee7290ae11e8f73292, 0x67a8811c397529dac52ae1342ba58c9500000000000000000000000000000000, 0x20, 0xf50428677c60f997aadeab24aabf7fceaef491c96a52b463ae91f95611cf71, 0x08, 0xca9a3b00000000000000000000000000000000000000000000000000000000, 0x60, 0xa29d01cc8c6296a8150e515b5995390ef841dc18948aa3e79be6d7c1851b4cbb, 0x5d6ff49fa70b9c782399506a22a85193151b9b691245cebafd2063012443c132, 0x4b6c36debaedefb7b2d71b0503ffdc00150aaffd42e63358238ec888901738b8, 0x08, 0x00
 // get_deposit_root() -> 0x2089653123d9c721215120b6db6738ba273bbc5228ac093b1f983badcdc8a438
-// gas irOptimized: 127486
+// gas irOptimized: 120015
 // gas legacy: 150475
 // gas legacyOptimized: 122811
 // get_deposit_count() -> 0x20, 8, 0x0100000000000000000000000000000000000000000000000000000000000000
 // deposit(bytes,bytes,bytes,bytes32), 32 ether: 0x80, 0xe0, 0x120, 0xdbd986dc85ceb382708cf90a3500f500f0a393c5ece76963ac3ed72eccd2c301, 0x30, 0xb2ce0f79f90e7b3a113ca5783c65756f96c4b4673c2b5c1eb4efc22280259441, 0x06d601211e8866dc5b50dc48a244dd7c00000000000000000000000000000000, 0x20, 0x00344b6c73f71b11c56aba0d01b7d8ad83559f209d0a4101a515f6ad54c89771, 0x60, 0x945caaf82d18e78c033927d51f452ebcd76524497b91d7a11219cb3db6a1d369, 0x7595fc095ce489e46b2ef129591f2f6d079be4faaf345a02c5eb133c072e7c56, 0x0c6c3617eee66b4b878165c502357d49485326bc6b31bc96873f308c8f19c09d -> # txhash: 0x404d8e109822ce448e68f45216c12cb051b784d068fbe98317ab8e50c58304ac #
 // ~ emit DepositEvent(bytes,bytes,bytes,bytes,bytes): 0xa0, 0x0100, 0x0140, 0x0180, 0x0200, 0x30, 0xb2ce0f79f90e7b3a113ca5783c65756f96c4b4673c2b5c1eb4efc22280259441, 0x06d601211e8866dc5b50dc48a244dd7c00000000000000000000000000000000, 0x20, 0x344b6c73f71b11c56aba0d01b7d8ad83559f209d0a4101a515f6ad54c89771, 0x08, 0x40597307000000000000000000000000000000000000000000000000000000, 0x60, 0x945caaf82d18e78c033927d51f452ebcd76524497b91d7a11219cb3db6a1d369, 0x7595fc095ce489e46b2ef129591f2f6d079be4faaf345a02c5eb133c072e7c56, 0x0c6c3617eee66b4b878165c502357d49485326bc6b31bc96873f308c8f19c09d, 0x08, 0x0100000000000000000000000000000000000000000000000000000000000000
 // get_deposit_root() -> 0x40255975859377d912c53aa853245ebd939bdd2b33a28e084babdcc1ed8238ee
-// gas irOptimized: 127486
+// gas irOptimized: 120015
 // gas legacy: 150475
 // gas legacyOptimized: 122811
 // get_deposit_count() -> 0x20, 8, 0x0200000000000000000000000000000000000000000000000000000000000000

test/libsolidity/semanticTests/externalContracts/prbmath_signed.sol

@@ -50,46 +50,46 @@ contract test {
 // compileViaYul: also
 // ----
 // constructor()
-// gas irOptimized: 2171167
+// gas irOptimized: 2146563
 // gas legacy: 2602700
-// gas legacyOptimized: 1900162
+// gas legacyOptimized: 1874490
 // div(int256,int256): 3141592653589793238, 88714123 -> 35412542528203691288251815328
-// gas irOptimized: 22303
+// gas irOptimized: 22091
 // gas legacy: 22767
 // gas legacyOptimized: 22282
 // exp(int256): 3141592653589793238 -> 23140692632779268978
-// gas irOptimized: 25094
+// gas irOptimized: 25080
 // gas legacy: 25203
 // gas legacyOptimized: 24357
 // exp2(int256): 3141592653589793238 -> 8824977827076287620
-// gas irOptimized: 24808
+// gas irOptimized: 24761
 // gas legacy: 24864
 // gas legacyOptimized: 24110
 // gm(int256,int256): 3141592653589793238, 88714123 -> 16694419339601
-// gas irOptimized: 23573
+// gas irOptimized: 22742
 // gas legacy: 23228
 // gas legacyOptimized: 22683
 // log10(int256): 3141592653589793238 -> 4971498726941338506
-// gas irOptimized: 31328
+// gas irOptimized: 31156
 // gas legacy: 32934
 // gas legacyOptimized: 30323
 // log2(int256): 3141592653589793238 -> 1651496129472318782
-// gas irOptimized: 29484
+// gas irOptimized: 29361
 // gas legacy: 31067
 // gas legacyOptimized: 28426
 // mul(int256,int256): 3141592653589793238, 88714123 -> 278703637
-// gas irOptimized: 22414
+// gas irOptimized: 22308
 // gas legacy: 22807
 // gas legacyOptimized: 22295
 // pow(int256,uint256): 3141592653589793238, 5 -> 306019684785281453040
-// gas irOptimized: 22974
+// gas irOptimized: 22689
 // gas legacy: 23508
 // gas legacyOptimized: 22921
 // sqrt(int256): 3141592653589793238 -> 1772453850905516027
-// gas irOptimized: 23246
+// gas irOptimized: 22337
 // gas legacy: 22802
 // gas legacyOptimized: 22422
 // benchmark(int256): 3141592653589793238 -> 998882724338592125, 1000000000000000000, 1000000000000000000
-// gas irOptimized: 43323
+// gas irOptimized: 33920
 // gas legacy: 36673
 // gas legacyOptimized: 34729