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Do not use named function labels if function names are not unique.

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This commit is contained in:
chriseth
2021-10-19 18:33:00 +02:00
parent 863a0d3b9c
commit 9f48b7419c
18 changed files with 429 additions and 7 deletions
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test/cmdlineTests/yul_function_name_clashes_different_params/args
+1
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@@ -0,0 +1 @@
--strict-assembly
test/cmdlineTests/yul_function_name_clashes_different_params/err
+1
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@@ -0,0 +1 @@
Warning: Yul is still experimental. Please use the output with care.
test/cmdlineTests/yul_function_name_clashes_different_params/input.yul
+17
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@@ -0,0 +1,17 @@
object "object" {
code {
let a
let b
{
function z() -> y
{ y := calldataload(0) }
a := z()
}
{
function z(r) -> y
{ y := calldataload(r) }
b := z(0x70)
}
sstore(a, b)
}
}
test/cmdlineTests/yul_function_name_clashes_different_params/output
+93
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@@ -0,0 +1,93 @@
======= yul_function_name_clashes_different_params/input.yul (EVM) =======
Pretty printed source:
object "object" {
code {
let a
let b
{
function z() -> y
{ y := calldataload(0) }
a := z()
}
{
function z(r) -> y
{ y := calldataload(r) }
b := z(0x70)
}
sstore(a, b)
}
}
Binary representation:
600080600f565b60008035905090565b60156006565b91506026565b600081359050919050565b602e6070601b565b90508082555050
Text representation:
/* "yul_function_name_clashes_different_params/input.yul":37:42 */
0x00
/* "yul_function_name_clashes_different_params/input.yul":51:56 */
dup1
/* "yul_function_name_clashes_different_params/input.yul":79:133 */
jump(tag_2)
tag_1:
/* "yul_function_name_clashes_different_params/input.yul":95:96 */
0x00
/* "yul_function_name_clashes_different_params/input.yul":129:130 */
dup1
/* "yul_function_name_clashes_different_params/input.yul":116:131 */
calldataload
/* "yul_function_name_clashes_different_params/input.yul":111:131 */
swap1
pop
/* "yul_function_name_clashes_different_params/input.yul":79:133 */
swap1
jump // out
tag_2:
/* "yul_function_name_clashes_different_params/input.yul":151:154 */
tag_4
tag_1
jump // in
tag_4:
/* "yul_function_name_clashes_different_params/input.yul":146:154 */
swap2
pop
/* "yul_function_name_clashes_different_params/input.yul":187:242 */
jump(tag_6)
tag_5:
/* "yul_function_name_clashes_different_params/input.yul":204:205 */
0x00
/* "yul_function_name_clashes_different_params/input.yul":238:239 */
dup2
/* "yul_function_name_clashes_different_params/input.yul":225:240 */
calldataload
/* "yul_function_name_clashes_different_params/input.yul":220:240 */
swap1
pop
/* "yul_function_name_clashes_different_params/input.yul":187:242 */
swap2
swap1
pop
jump // out
tag_6:
/* "yul_function_name_clashes_different_params/input.yul":260:267 */
tag_8
/* "yul_function_name_clashes_different_params/input.yul":262:266 */
0x70
/* "yul_function_name_clashes_different_params/input.yul":260:267 */
tag_5
jump // in
tag_8:
/* "yul_function_name_clashes_different_params/input.yul":255:267 */
swap1
pop
/* "yul_function_name_clashes_different_params/input.yul":296:297 */
dup1
/* "yul_function_name_clashes_different_params/input.yul":293:294 */
dup3
/* "yul_function_name_clashes_different_params/input.yul":286:298 */
sstore
/* "yul_function_name_clashes_different_params/input.yul":27:304 */
pop
pop