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Prevent crash when translating yul->ewasm with @use-src annotations

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Marenz
2021-11-11 13:43:57 +01:00
parent 969707c5d2
commit 49b4e77d6b
6 changed files with 46 additions and 1 deletions
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test/cmdlineTests/yul_to_wasm_source_location_crash/args
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--strict-assembly --yul-dialect evm --machine ewasm --optimize --ewasm-ir
test/cmdlineTests/yul_to_wasm_source_location_crash/err
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Warning: Yul is still experimental. Please use the output with care.
test/cmdlineTests/yul_to_wasm_source_location_crash/input.yul
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/// @use-src 0:"test.sol"
object "C" {
code { sstore(0,0) }
}
test/cmdlineTests/yul_to_wasm_source_location_crash/output
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======= yul_to_wasm_source_location_crash/input.yul (Ewasm) =======
==========================
Translated source:
/// @use-src 0:"test.sol"
object "C" {
code {
function main()
{
let hi := i64.shl(i64.extend_i32_u(bswap32(i32.wrap_i64(0))), 32)
let y := i64.or(hi, i64.extend_i32_u(bswap32(i32.wrap_i64(i64.shr_u(0, 32)))))
i64.store(0:i32, y)
i64.store(i32.add(0:i32, 8:i32), y)
i64.store(i32.add(0:i32, 16:i32), y)
i64.store(i32.add(0:i32, 24:i32), y)
i64.store(32:i32, y)
i64.store(i32.add(32:i32, 8:i32), y)
i64.store(i32.add(32:i32, 16:i32), y)
i64.store(i32.add(32:i32, 24:i32), y)
eth.storageStore(0:i32, 32:i32)
}
function bswap16(x:i32) -> y:i32
{
y := i32.or(i32.and(i32.shl(x, 8:i32), 0xff00:i32), i32.and(i32.shr_u(x, 8:i32), 0xff:i32))
}
function bswap32(x:i32) -> y:i32
{
let hi:i32 := i32.shl(bswap16(x), 16:i32)
y := i32.or(hi, bswap16(i32.shr_u(x, 16:i32)))
}
}
}