mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
Generalize instructions.
This commit is contained in:
chriseth
parent
033b61f920
commit
fa02667075
@ -68,40 +68,40 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart1(
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{
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return std::vector<SimplificationRule<Pattern>> {
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// arithmetic on constants
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{{Instruction::ADD, {A, B}}, [=]{ return A.d() + B.d(); }, false},
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{{Instruction::MUL, {A, B}}, [=]{ return A.d() * B.d(); }, false},
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{{Instruction::SUB, {A, B}}, [=]{ return A.d() - B.d(); }, false},
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{{Instruction::DIV, {A, B}}, [=]{ return B.d() == 0 ? 0 : divWorkaround(A.d(), B.d()); }, false},
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{{Instruction::SDIV, {A, B}}, [=]{ return B.d() == 0 ? 0 : s2u(divWorkaround(u2s(A.d()), u2s(B.d()))); }, false},
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{{Instruction::MOD, {A, B}}, [=]{ return B.d() == 0 ? 0 : modWorkaround(A.d(), B.d()); }, false},
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{{Instruction::SMOD, {A, B}}, [=]{ return B.d() == 0 ? 0 : s2u(modWorkaround(u2s(A.d()), u2s(B.d()))); }, false},
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{{Instruction::EXP, {A, B}}, [=]{ return u256(boost::multiprecision::powm(bigint(A.d()), bigint(B.d()), bigint(1) << 256)); }, false},
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{{Instruction::NOT, {A}}, [=]{ return ~A.d(); }, false},
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{{Instruction::LT, {A, B}}, [=]() -> u256 { return A.d() < B.d() ? 1 : 0; }, false},
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{{Instruction::GT, {A, B}}, [=]() -> u256 { return A.d() > B.d() ? 1 : 0; }, false},
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{{Instruction::SLT, {A, B}}, [=]() -> u256 { return u2s(A.d()) < u2s(B.d()) ? 1 : 0; }, false},
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{{Instruction::SGT, {A, B}}, [=]() -> u256 { return u2s(A.d()) > u2s(B.d()) ? 1 : 0; }, false},
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{{Instruction::EQ, {A, B}}, [=]() -> u256 { return A.d() == B.d() ? 1 : 0; }, false},
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{{Instruction::ISZERO, {A}}, [=]() -> u256 { return A.d() == 0 ? 1 : 0; }, false},
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{{Instruction::AND, {A, B}}, [=]{ return A.d() & B.d(); }, false},
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{{Instruction::OR, {A, B}}, [=]{ return A.d() | B.d(); }, false},
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{{Instruction::XOR, {A, B}}, [=]{ return A.d() ^ B.d(); }, false},
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{{Instruction::BYTE, {A, B}}, [=]{ return A.d() >= 32 ? 0 : (B.d() >> unsigned(8 * (31 - A.d()))) & 0xff; }, false},
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{{Instruction::ADDMOD, {A, B, C}}, [=]{ return C.d() == 0 ? 0 : u256((bigint(A.d()) + bigint(B.d())) % C.d()); }, false},
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{{Instruction::MULMOD, {A, B, C}}, [=]{ return C.d() == 0 ? 0 : u256((bigint(A.d()) * bigint(B.d())) % C.d()); }, false},
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{{Instruction::SIGNEXTEND, {A, B}}, [=]() -> u256 {
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{{Pattern::Builtins::ADD, {A, B}}, [=]{ return A.d() + B.d(); }, false},
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{{Pattern::Builtins::MUL, {A, B}}, [=]{ return A.d() * B.d(); }, false},
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{{Pattern::Builtins::SUB, {A, B}}, [=]{ return A.d() - B.d(); }, false},
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{{Pattern::Builtins::DIV, {A, B}}, [=]{ return B.d() == 0 ? 0 : divWorkaround(A.d(), B.d()); }, false},
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{{Pattern::Builtins::SDIV, {A, B}}, [=]{ return B.d() == 0 ? 0 : s2u(divWorkaround(u2s(A.d()), u2s(B.d()))); }, false},
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{{Pattern::Builtins::MOD, {A, B}}, [=]{ return B.d() == 0 ? 0 : modWorkaround(A.d(), B.d()); }, false},
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{{Pattern::Builtins::SMOD, {A, B}}, [=]{ return B.d() == 0 ? 0 : s2u(modWorkaround(u2s(A.d()), u2s(B.d()))); }, false},
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{{Pattern::Builtins::EXP, {A, B}}, [=]{ return u256(boost::multiprecision::powm(bigint(A.d()), bigint(B.d()), bigint(1) << 256)); }, false},
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{{Pattern::Builtins::NOT, {A}}, [=]{ return ~A.d(); }, false},
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{{Pattern::Builtins::LT, {A, B}}, [=]() -> u256 { return A.d() < B.d() ? 1 : 0; }, false},
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{{Pattern::Builtins::GT, {A, B}}, [=]() -> u256 { return A.d() > B.d() ? 1 : 0; }, false},
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{{Pattern::Builtins::SLT, {A, B}}, [=]() -> u256 { return u2s(A.d()) < u2s(B.d()) ? 1 : 0; }, false},
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{{Pattern::Builtins::SGT, {A, B}}, [=]() -> u256 { return u2s(A.d()) > u2s(B.d()) ? 1 : 0; }, false},
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{{Pattern::Builtins::EQ, {A, B}}, [=]() -> u256 { return A.d() == B.d() ? 1 : 0; }, false},
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{{Pattern::Builtins::ISZERO, {A}}, [=]() -> u256 { return A.d() == 0 ? 1 : 0; }, false},
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{{Pattern::Builtins::AND, {A, B}}, [=]{ return A.d() & B.d(); }, false},
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{{Pattern::Builtins::OR, {A, B}}, [=]{ return A.d() | B.d(); }, false},
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{{Pattern::Builtins::XOR, {A, B}}, [=]{ return A.d() ^ B.d(); }, false},
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{{Pattern::Builtins::BYTE, {A, B}}, [=]{ return A.d() >= 32 ? 0 : (B.d() >> unsigned(8 * (31 - A.d()))) & 0xff; }, false},
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{{Pattern::Builtins::ADDMOD, {A, B, C}}, [=]{ return C.d() == 0 ? 0 : u256((bigint(A.d()) + bigint(B.d())) % C.d()); }, false},
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{{Pattern::Builtins::MULMOD, {A, B, C}}, [=]{ return C.d() == 0 ? 0 : u256((bigint(A.d()) * bigint(B.d())) % C.d()); }, false},
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{{Pattern::Builtins::SIGNEXTEND, {A, B}}, [=]() -> u256 {
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if (A.d() >= 31)
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return B.d();
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unsigned testBit = unsigned(A.d()) * 8 + 7;
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u256 mask = (u256(1) << testBit) - 1;
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return boost::multiprecision::bit_test(B.d(), testBit) ? B.d() | ~mask : B.d() & mask;
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}, false},
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{{Instruction::SHL, {A, B}}, [=]{
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{{Pattern::Builtins::SHL, {A, B}}, [=]{
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if (A.d() > 255)
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return u256(0);
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return shlWorkaround(B.d(), unsigned(A.d()));
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}, false},
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{{Instruction::SHR, {A, B}}, [=]{
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{{Pattern::Builtins::SHR, {A, B}}, [=]{
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if (A.d() > 255)
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return u256(0);
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return B.d() >> unsigned(A.d());
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@ -120,48 +120,48 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart2(
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{
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return std::vector<SimplificationRule<Pattern>> {
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// invariants involving known constants
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{{Instruction::ADD, {X, 0}}, [=]{ return X; }, false},
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{{Instruction::ADD, {0, X}}, [=]{ return X; }, false},
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{{Instruction::SUB, {X, 0}}, [=]{ return X; }, false},
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{{Instruction::SUB, {~u256(0), X}}, [=]() -> Pattern { return {Instruction::NOT, {X}}; }, false},
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{{Instruction::MUL, {X, 0}}, [=]{ return u256(0); }, true},
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{{Instruction::MUL, {0, X}}, [=]{ return u256(0); }, true},
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{{Instruction::MUL, {X, 1}}, [=]{ return X; }, false},
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{{Instruction::MUL, {1, X}}, [=]{ return X; }, false},
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{{Instruction::MUL, {X, u256(-1)}}, [=]() -> Pattern { return {Instruction::SUB, {0, X}}; }, false},
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{{Instruction::MUL, {u256(-1), X}}, [=]() -> Pattern { return {Instruction::SUB, {0, X}}; }, false},
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{{Instruction::DIV, {X, 0}}, [=]{ return u256(0); }, true},
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{{Instruction::DIV, {0, X}}, [=]{ return u256(0); }, true},
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{{Instruction::DIV, {X, 1}}, [=]{ return X; }, false},
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{{Instruction::SDIV, {X, 0}}, [=]{ return u256(0); }, true},
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{{Instruction::SDIV, {0, X}}, [=]{ return u256(0); }, true},
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{{Instruction::SDIV, {X, 1}}, [=]{ return X; }, false},
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{{Instruction::AND, {X, ~u256(0)}}, [=]{ return X; }, false},
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{{Instruction::AND, {~u256(0), X}}, [=]{ return X; }, false},
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{{Instruction::AND, {X, 0}}, [=]{ return u256(0); }, true},
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{{Instruction::AND, {0, X}}, [=]{ return u256(0); }, true},
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{{Instruction::OR, {X, 0}}, [=]{ return X; }, false},
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{{Instruction::OR, {0, X}}, [=]{ return X; }, false},
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{{Instruction::OR, {X, ~u256(0)}}, [=]{ return ~u256(0); }, true},
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{{Instruction::OR, {~u256(0), X}}, [=]{ return ~u256(0); }, true},
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{{Instruction::XOR, {X, 0}}, [=]{ return X; }, false},
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{{Instruction::XOR, {0, X}}, [=]{ return X; }, false},
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{{Instruction::MOD, {X, 0}}, [=]{ return u256(0); }, true},
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{{Instruction::MOD, {0, X}}, [=]{ return u256(0); }, true},
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{{Instruction::EQ, {X, 0}}, [=]() -> Pattern { return {Instruction::ISZERO, {X}}; }, false },
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{{Instruction::EQ, {0, X}}, [=]() -> Pattern { return {Instruction::ISZERO, {X}}; }, false },
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{{Instruction::SHL, {0, X}}, [=]{ return X; }, false},
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{{Instruction::SHR, {0, X}}, [=]{ return X; }, false},
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{{Instruction::SHL, {X, 0}}, [=]{ return u256(0); }, true},
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{{Instruction::SHR, {X, 0}}, [=]{ return u256(0); }, true},
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{{Instruction::GT, {X, 0}}, [=]() -> Pattern { return {Instruction::ISZERO, {{Instruction::ISZERO, {X}}}}; }, false},
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{{Instruction::LT, {0, X}}, [=]() -> Pattern { return {Instruction::ISZERO, {{Instruction::ISZERO, {X}}}}; }, false},
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{{Instruction::GT, {X, ~u256(0)}}, [=]{ return u256(0); }, true},
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{{Instruction::LT, {~u256(0), X}}, [=]{ return u256(0); }, true},
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{{Instruction::GT, {0, X}}, [=]{ return u256(0); }, true},
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{{Instruction::LT, {X, 0}}, [=]{ return u256(0); }, true},
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{{Instruction::AND, {{Instruction::BYTE, {X, Y}}, {u256(0xff)}}}, [=]() -> Pattern { return {Instruction::BYTE, {X, Y}}; }, false},
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{{Instruction::BYTE, {31, X}}, [=]() -> Pattern { return {Instruction::AND, {X, u256(0xff)}}; }, false}
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{{Pattern::Builtins::ADD, {X, 0}}, [=]{ return X; }, false},
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{{Pattern::Builtins::ADD, {0, X}}, [=]{ return X; }, false},
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{{Pattern::Builtins::SUB, {X, 0}}, [=]{ return X; }, false},
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{{Pattern::Builtins::SUB, {~u256(0), X}}, [=]() -> Pattern { return {Pattern::Builtins::NOT, {X}}; }, false},
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{{Pattern::Builtins::MUL, {X, 0}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::MUL, {0, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::MUL, {X, 1}}, [=]{ return X; }, false},
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{{Pattern::Builtins::MUL, {1, X}}, [=]{ return X; }, false},
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{{Pattern::Builtins::MUL, {X, u256(-1)}}, [=]() -> Pattern { return {Pattern::Builtins::SUB, {0, X}}; }, false},
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{{Pattern::Builtins::MUL, {u256(-1), X}}, [=]() -> Pattern { return {Pattern::Builtins::SUB, {0, X}}; }, false},
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{{Pattern::Builtins::DIV, {X, 0}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::DIV, {0, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::DIV, {X, 1}}, [=]{ return X; }, false},
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{{Pattern::Builtins::SDIV, {X, 0}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::SDIV, {0, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::SDIV, {X, 1}}, [=]{ return X; }, false},
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{{Pattern::Builtins::AND, {X, ~u256(0)}}, [=]{ return X; }, false},
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{{Pattern::Builtins::AND, {~u256(0), X}}, [=]{ return X; }, false},
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{{Pattern::Builtins::AND, {X, 0}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::AND, {0, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::OR, {X, 0}}, [=]{ return X; }, false},
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{{Pattern::Builtins::OR, {0, X}}, [=]{ return X; }, false},
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{{Pattern::Builtins::OR, {X, ~u256(0)}}, [=]{ return ~u256(0); }, true},
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{{Pattern::Builtins::OR, {~u256(0), X}}, [=]{ return ~u256(0); }, true},
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{{Pattern::Builtins::XOR, {X, 0}}, [=]{ return X; }, false},
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{{Pattern::Builtins::XOR, {0, X}}, [=]{ return X; }, false},
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{{Pattern::Builtins::MOD, {X, 0}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::MOD, {0, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::EQ, {X, 0}}, [=]() -> Pattern { return {Pattern::Builtins::ISZERO, {X}}; }, false },
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{{Pattern::Builtins::EQ, {0, X}}, [=]() -> Pattern { return {Pattern::Builtins::ISZERO, {X}}; }, false },
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{{Pattern::Builtins::SHL, {0, X}}, [=]{ return X; }, false},
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{{Pattern::Builtins::SHR, {0, X}}, [=]{ return X; }, false},
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{{Pattern::Builtins::SHL, {X, 0}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::SHR, {X, 0}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::GT, {X, 0}}, [=]() -> Pattern { return {Pattern::Builtins::ISZERO, {{Pattern::Builtins::ISZERO, {X}}}}; }, false},
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{{Pattern::Builtins::LT, {0, X}}, [=]() -> Pattern { return {Pattern::Builtins::ISZERO, {{Pattern::Builtins::ISZERO, {X}}}}; }, false},
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{{Pattern::Builtins::GT, {X, ~u256(0)}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::LT, {~u256(0), X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::GT, {0, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::LT, {X, 0}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::AND, {{Pattern::Builtins::BYTE, {X, Y}}, {u256(0xff)}}}, [=]() -> Pattern { return {Pattern::Builtins::BYTE, {X, Y}}; }, false},
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{{Pattern::Builtins::BYTE, {31, X}}, [=]() -> Pattern { return {Pattern::Builtins::AND, {X, u256(0xff)}}; }, false}
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};
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}
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@ -176,16 +176,16 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart3(
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{
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return std::vector<SimplificationRule<Pattern>> {
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// operations involving an expression and itself
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{{Instruction::AND, {X, X}}, [=]{ return X; }, true},
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{{Instruction::OR, {X, X}}, [=]{ return X; }, true},
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{{Instruction::XOR, {X, X}}, [=]{ return u256(0); }, true},
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{{Instruction::SUB, {X, X}}, [=]{ return u256(0); }, true},
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{{Instruction::EQ, {X, X}}, [=]{ return u256(1); }, true},
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{{Instruction::LT, {X, X}}, [=]{ return u256(0); }, true},
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{{Instruction::SLT, {X, X}}, [=]{ return u256(0); }, true},
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{{Instruction::GT, {X, X}}, [=]{ return u256(0); }, true},
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{{Instruction::SGT, {X, X}}, [=]{ return u256(0); }, true},
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{{Instruction::MOD, {X, X}}, [=]{ return u256(0); }, true}
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{{Pattern::Builtins::AND, {X, X}}, [=]{ return X; }, true},
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{{Pattern::Builtins::OR, {X, X}}, [=]{ return X; }, true},
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{{Pattern::Builtins::XOR, {X, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::SUB, {X, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::EQ, {X, X}}, [=]{ return u256(1); }, true},
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{{Pattern::Builtins::LT, {X, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::SLT, {X, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::GT, {X, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::SGT, {X, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::MOD, {X, X}}, [=]{ return u256(0); }, true}
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};
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}
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@ -200,23 +200,23 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart4(
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{
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return std::vector<SimplificationRule<Pattern>> {
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// logical instruction combinations
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{{Instruction::NOT, {{Instruction::NOT, {X}}}}, [=]{ return X; }, false},
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{{Instruction::XOR, {X, {Instruction::XOR, {X, Y}}}}, [=]{ return Y; }, true},
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{{Instruction::XOR, {X, {Instruction::XOR, {Y, X}}}}, [=]{ return Y; }, true},
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{{Instruction::XOR, {{Instruction::XOR, {X, Y}}, X}}, [=]{ return Y; }, true},
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{{Instruction::XOR, {{Instruction::XOR, {Y, X}}, X}}, [=]{ return Y; }, true},
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{{Instruction::OR, {X, {Instruction::AND, {X, Y}}}}, [=]{ return X; }, true},
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{{Instruction::OR, {X, {Instruction::AND, {Y, X}}}}, [=]{ return X; }, true},
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{{Instruction::OR, {{Instruction::AND, {X, Y}}, X}}, [=]{ return X; }, true},
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{{Instruction::OR, {{Instruction::AND, {Y, X}}, X}}, [=]{ return X; }, true},
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{{Instruction::AND, {X, {Instruction::OR, {X, Y}}}}, [=]{ return X; }, true},
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{{Instruction::AND, {X, {Instruction::OR, {Y, X}}}}, [=]{ return X; }, true},
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{{Instruction::AND, {{Instruction::OR, {X, Y}}, X}}, [=]{ return X; }, true},
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{{Instruction::AND, {{Instruction::OR, {Y, X}}, X}}, [=]{ return X; }, true},
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{{Instruction::AND, {X, {Instruction::NOT, {X}}}}, [=]{ return u256(0); }, true},
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{{Instruction::AND, {{Instruction::NOT, {X}}, X}}, [=]{ return u256(0); }, true},
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{{Instruction::OR, {X, {Instruction::NOT, {X}}}}, [=]{ return ~u256(0); }, true},
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{{Instruction::OR, {{Instruction::NOT, {X}}, X}}, [=]{ return ~u256(0); }, true},
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{{Pattern::Builtins::NOT, {{Pattern::Builtins::NOT, {X}}}}, [=]{ return X; }, false},
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{{Pattern::Builtins::XOR, {X, {Pattern::Builtins::XOR, {X, Y}}}}, [=]{ return Y; }, true},
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{{Pattern::Builtins::XOR, {X, {Pattern::Builtins::XOR, {Y, X}}}}, [=]{ return Y; }, true},
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{{Pattern::Builtins::XOR, {{Pattern::Builtins::XOR, {X, Y}}, X}}, [=]{ return Y; }, true},
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{{Pattern::Builtins::XOR, {{Pattern::Builtins::XOR, {Y, X}}, X}}, [=]{ return Y; }, true},
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{{Pattern::Builtins::OR, {X, {Pattern::Builtins::AND, {X, Y}}}}, [=]{ return X; }, true},
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{{Pattern::Builtins::OR, {X, {Pattern::Builtins::AND, {Y, X}}}}, [=]{ return X; }, true},
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{{Pattern::Builtins::OR, {{Pattern::Builtins::AND, {X, Y}}, X}}, [=]{ return X; }, true},
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{{Pattern::Builtins::OR, {{Pattern::Builtins::AND, {Y, X}}, X}}, [=]{ return X; }, true},
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{{Pattern::Builtins::AND, {X, {Pattern::Builtins::OR, {X, Y}}}}, [=]{ return X; }, true},
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{{Pattern::Builtins::AND, {X, {Pattern::Builtins::OR, {Y, X}}}}, [=]{ return X; }, true},
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{{Pattern::Builtins::AND, {{Pattern::Builtins::OR, {X, Y}}, X}}, [=]{ return X; }, true},
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{{Pattern::Builtins::AND, {{Pattern::Builtins::OR, {Y, X}}, X}}, [=]{ return X; }, true},
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{{Pattern::Builtins::AND, {X, {Pattern::Builtins::NOT, {X}}}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::AND, {{Pattern::Builtins::NOT, {X}}, X}}, [=]{ return u256(0); }, true},
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{{Pattern::Builtins::OR, {X, {Pattern::Builtins::NOT, {X}}}}, [=]{ return ~u256(0); }, true},
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{{Pattern::Builtins::OR, {{Pattern::Builtins::NOT, {X}}, X}}, [=]{ return ~u256(0); }, true},
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};
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}
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@ -237,15 +237,15 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart5(
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{
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u256 value = u256(1) << i;
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rules.push_back({
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{Instruction::MOD, {X, value}},
|
||||
[=]() -> Pattern { return {Instruction::AND, {X, value - 1}}; },
|
||||
{Pattern::Builtins::MOD, {X, value}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::AND, {X, value - 1}}; },
|
||||
false
|
||||
});
|
||||
}
|
||||
|
||||
// Replace SHL >=256, X with 0
|
||||
rules.push_back({
|
||||
{Instruction::SHL, {A, X}},
|
||||
{Pattern::Builtins::SHL, {A, X}},
|
||||
[=]() -> Pattern { return u256(0); },
|
||||
true,
|
||||
[=]() { return A.d() >= 256; }
|
||||
@ -253,7 +253,7 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart5(
|
||||
|
||||
// Replace SHR >=256, X with 0
|
||||
rules.push_back({
|
||||
{Instruction::SHR, {A, X}},
|
||||
{Pattern::Builtins::SHR, {A, X}},
|
||||
[=]() -> Pattern { return u256(0); },
|
||||
true,
|
||||
[=]() { return A.d() >= 256; }
|
||||
@ -261,27 +261,27 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart5(
|
||||
|
||||
// Replace BYTE(A, X), A >= 32 with 0
|
||||
rules.push_back({
|
||||
{Instruction::BYTE, {A, X}},
|
||||
{Pattern::Builtins::BYTE, {A, X}},
|
||||
[=]() -> Pattern { return u256(0); },
|
||||
true,
|
||||
[=]() { return A.d() >= 32; }
|
||||
});
|
||||
|
||||
for (auto const& op: std::vector<Instruction>{
|
||||
Instruction::ADDRESS,
|
||||
Instruction::CALLER,
|
||||
Instruction::ORIGIN,
|
||||
Instruction::COINBASE
|
||||
Pattern::Builtins::ADDRESS,
|
||||
Pattern::Builtins::CALLER,
|
||||
Pattern::Builtins::ORIGIN,
|
||||
Pattern::Builtins::COINBASE
|
||||
})
|
||||
{
|
||||
u256 const mask = (u256(1) << 160) - 1;
|
||||
rules.push_back({
|
||||
{Instruction::AND, {{op, mask}}},
|
||||
{Pattern::Builtins::AND, {{op, mask}}},
|
||||
[=]() -> Pattern { return op; },
|
||||
false
|
||||
});
|
||||
rules.push_back({
|
||||
{Instruction::AND, {{mask, op}}},
|
||||
{Pattern::Builtins::AND, {{mask, op}}},
|
||||
[=]() -> Pattern { return op; },
|
||||
false
|
||||
});
|
||||
@ -302,27 +302,27 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart6(
|
||||
std::vector<SimplificationRule<Pattern>> rules;
|
||||
// Double negation of opcodes with boolean result
|
||||
for (auto const& op: std::vector<Instruction>{
|
||||
Instruction::EQ,
|
||||
Instruction::LT,
|
||||
Instruction::SLT,
|
||||
Instruction::GT,
|
||||
Instruction::SGT
|
||||
Pattern::Builtins::EQ,
|
||||
Pattern::Builtins::LT,
|
||||
Pattern::Builtins::SLT,
|
||||
Pattern::Builtins::GT,
|
||||
Pattern::Builtins::SGT
|
||||
})
|
||||
rules.push_back({
|
||||
{Instruction::ISZERO, {{Instruction::ISZERO, {{op, {X, Y}}}}}},
|
||||
{Pattern::Builtins::ISZERO, {{Pattern::Builtins::ISZERO, {{op, {X, Y}}}}}},
|
||||
[=]() -> Pattern { return {op, {X, Y}}; },
|
||||
false
|
||||
});
|
||||
|
||||
rules.push_back({
|
||||
{Instruction::ISZERO, {{Instruction::ISZERO, {{Instruction::ISZERO, {X}}}}}},
|
||||
[=]() -> Pattern { return {Instruction::ISZERO, {X}}; },
|
||||
{Pattern::Builtins::ISZERO, {{Pattern::Builtins::ISZERO, {{Pattern::Builtins::ISZERO, {X}}}}}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::ISZERO, {X}}; },
|
||||
false
|
||||
});
|
||||
|
||||
rules.push_back({
|
||||
{Instruction::ISZERO, {{Instruction::XOR, {X, Y}}}},
|
||||
[=]() -> Pattern { return { Instruction::EQ, {X, Y} }; },
|
||||
{Pattern::Builtins::ISZERO, {{Pattern::Builtins::XOR, {X, Y}}}},
|
||||
[=]() -> Pattern { return { Pattern::Builtins::EQ, {X, Y} }; },
|
||||
false
|
||||
});
|
||||
|
||||
@ -341,11 +341,11 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart7(
|
||||
std::vector<SimplificationRule<Pattern>> rules;
|
||||
// Associative operations
|
||||
for (auto const& opFun: std::vector<std::pair<Instruction,std::function<u256(u256 const&,u256 const&)>>>{
|
||||
{Instruction::ADD, std::plus<u256>()},
|
||||
{Instruction::MUL, std::multiplies<u256>()},
|
||||
{Instruction::AND, std::bit_and<u256>()},
|
||||
{Instruction::OR, std::bit_or<u256>()},
|
||||
{Instruction::XOR, std::bit_xor<u256>()}
|
||||
{Pattern::Builtins::ADD, std::plus<u256>()},
|
||||
{Pattern::Builtins::MUL, std::multiplies<u256>()},
|
||||
{Pattern::Builtins::AND, std::bit_and<u256>()},
|
||||
{Pattern::Builtins::OR, std::bit_or<u256>()},
|
||||
{Pattern::Builtins::XOR, std::bit_xor<u256>()}
|
||||
})
|
||||
{
|
||||
auto op = opFun.first;
|
||||
@ -382,13 +382,13 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart7(
|
||||
// Combine two SHL by constant
|
||||
rules.push_back({
|
||||
// SHL(B, SHL(A, X)) -> SHL(min(A+B, 256), X)
|
||||
{Instruction::SHL, {{B}, {Instruction::SHL, {{A}, {X}}}}},
|
||||
{Pattern::Builtins::SHL, {{B}, {Pattern::Builtins::SHL, {{A}, {X}}}}},
|
||||
[=]() -> Pattern {
|
||||
bigint sum = bigint(A.d()) + B.d();
|
||||
if (sum >= 256)
|
||||
return {Instruction::AND, {X, u256(0)}};
|
||||
return {Pattern::Builtins::AND, {X, u256(0)}};
|
||||
else
|
||||
return {Instruction::SHL, {u256(sum), X}};
|
||||
return {Pattern::Builtins::SHL, {u256(sum), X}};
|
||||
},
|
||||
false
|
||||
});
|
||||
@ -396,13 +396,13 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart7(
|
||||
// Combine two SHR by constant
|
||||
rules.push_back({
|
||||
// SHR(B, SHR(A, X)) -> SHR(min(A+B, 256), X)
|
||||
{Instruction::SHR, {{B}, {Instruction::SHR, {{A}, {X}}}}},
|
||||
{Pattern::Builtins::SHR, {{B}, {Pattern::Builtins::SHR, {{A}, {X}}}}},
|
||||
[=]() -> Pattern {
|
||||
bigint sum = bigint(A.d()) + B.d();
|
||||
if (sum >= 256)
|
||||
return {Instruction::AND, {X, u256(0)}};
|
||||
return {Pattern::Builtins::AND, {X, u256(0)}};
|
||||
else
|
||||
return {Instruction::SHR, {u256(sum), X}};
|
||||
return {Pattern::Builtins::SHR, {u256(sum), X}};
|
||||
},
|
||||
false
|
||||
});
|
||||
@ -410,16 +410,16 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart7(
|
||||
// Combine SHL-SHR by constant
|
||||
rules.push_back({
|
||||
// SHR(B, SHL(A, X)) -> AND(SH[L/R]([B - A / A - B], X), Mask)
|
||||
{Instruction::SHR, {{B}, {Instruction::SHL, {{A}, {X}}}}},
|
||||
{Pattern::Builtins::SHR, {{B}, {Pattern::Builtins::SHL, {{A}, {X}}}}},
|
||||
[=]() -> Pattern {
|
||||
u256 mask = shlWorkaround(u256(-1), unsigned(A.d())) >> unsigned(B.d());
|
||||
|
||||
if (A.d() > B.d())
|
||||
return {Instruction::AND, {{Instruction::SHL, {A.d() - B.d(), X}}, mask}};
|
||||
return {Pattern::Builtins::AND, {{Pattern::Builtins::SHL, {A.d() - B.d(), X}}, mask}};
|
||||
else if (B.d() > A.d())
|
||||
return {Instruction::AND, {{Instruction::SHR, {B.d() - A.d(), X}}, mask}};
|
||||
return {Pattern::Builtins::AND, {{Pattern::Builtins::SHR, {B.d() - A.d(), X}}, mask}};
|
||||
else
|
||||
return {Instruction::AND, {X, mask}};
|
||||
return {Pattern::Builtins::AND, {X, mask}};
|
||||
},
|
||||
false,
|
||||
[=] { return A.d() < 256 && B.d() < 256; }
|
||||
@ -428,41 +428,41 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart7(
|
||||
// Combine SHR-SHL by constant
|
||||
rules.push_back({
|
||||
// SHL(B, SHR(A, X)) -> AND(SH[L/R]([B - A / A - B], X), Mask)
|
||||
{Instruction::SHL, {{B}, {Instruction::SHR, {{A}, {X}}}}},
|
||||
{Pattern::Builtins::SHL, {{B}, {Pattern::Builtins::SHR, {{A}, {X}}}}},
|
||||
[=]() -> Pattern {
|
||||
u256 mask = shlWorkaround(u256(-1) >> unsigned(A.d()), unsigned(B.d()));
|
||||
|
||||
if (A.d() > B.d())
|
||||
return {Instruction::AND, {{Instruction::SHR, {A.d() - B.d(), X}}, mask}};
|
||||
return {Pattern::Builtins::AND, {{Pattern::Builtins::SHR, {A.d() - B.d(), X}}, mask}};
|
||||
else if (B.d() > A.d())
|
||||
return {Instruction::AND, {{Instruction::SHL, {B.d() - A.d(), X}}, mask}};
|
||||
return {Pattern::Builtins::AND, {{Pattern::Builtins::SHL, {B.d() - A.d(), X}}, mask}};
|
||||
else
|
||||
return {Instruction::AND, {X, mask}};
|
||||
return {Pattern::Builtins::AND, {X, mask}};
|
||||
},
|
||||
false,
|
||||
[=] { return A.d() < 256 && B.d() < 256; }
|
||||
});
|
||||
|
||||
// Move AND with constant across SHL and SHR by constant
|
||||
for (auto shiftOp: {Instruction::SHL, Instruction::SHR})
|
||||
for (auto shiftOp: {Pattern::Builtins::SHL, Pattern::Builtins::SHR})
|
||||
{
|
||||
auto replacement = [=]() -> Pattern {
|
||||
u256 mask =
|
||||
shiftOp == Instruction::SHL ?
|
||||
shiftOp == Pattern::Builtins::SHL ?
|
||||
shlWorkaround(A.d(), unsigned(B.d())) :
|
||||
A.d() >> unsigned(B.d());
|
||||
return {Instruction::AND, {{shiftOp, {B.d(), X}}, std::move(mask)}};
|
||||
return {Pattern::Builtins::AND, {{shiftOp, {B.d(), X}}, std::move(mask)}};
|
||||
};
|
||||
rules.push_back({
|
||||
// SH[L/R](B, AND(X, A)) -> AND(SH[L/R](B, X), [ A << B / A >> B ])
|
||||
{shiftOp, {{B}, {Instruction::AND, {{X}, {A}}}}},
|
||||
{shiftOp, {{B}, {Pattern::Builtins::AND, {{X}, {A}}}}},
|
||||
replacement,
|
||||
false,
|
||||
[=] { return B.d() < 256; }
|
||||
});
|
||||
rules.push_back({
|
||||
// SH[L/R](B, AND(A, X)) -> AND(SH[L/R](B, X), [ A << B / A >> B ])
|
||||
{shiftOp, {{B}, {Instruction::AND, {{A}, {X}}}}},
|
||||
{shiftOp, {{B}, {Pattern::Builtins::AND, {{A}, {X}}}}},
|
||||
replacement,
|
||||
false,
|
||||
[=] { return B.d() < 256; }
|
||||
@ -471,27 +471,27 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart7(
|
||||
|
||||
rules.push_back({
|
||||
// MUL(X, SHL(Y, 1)) -> SHL(Y, X)
|
||||
{Instruction::MUL, {X, {Instruction::SHL, {Y, u256(1)}}}},
|
||||
{Pattern::Builtins::MUL, {X, {Pattern::Builtins::SHL, {Y, u256(1)}}}},
|
||||
[=]() -> Pattern {
|
||||
return {Instruction::SHL, {Y, X}};
|
||||
return {Pattern::Builtins::SHL, {Y, X}};
|
||||
},
|
||||
// Actually only changes the order, does not remove.
|
||||
true
|
||||
});
|
||||
rules.push_back({
|
||||
// MUL(SHL(X, 1), Y) -> SHL(X, Y)
|
||||
{Instruction::MUL, {{Instruction::SHL, {X, u256(1)}}, Y}},
|
||||
{Pattern::Builtins::MUL, {{Pattern::Builtins::SHL, {X, u256(1)}}, Y}},
|
||||
[=]() -> Pattern {
|
||||
return {Instruction::SHL, {X, Y}};
|
||||
return {Pattern::Builtins::SHL, {X, Y}};
|
||||
},
|
||||
false
|
||||
});
|
||||
|
||||
rules.push_back({
|
||||
// DIV(X, SHL(Y, 1)) -> SHR(Y, X)
|
||||
{Instruction::DIV, {X, {Instruction::SHL, {Y, u256(1)}}}},
|
||||
{Pattern::Builtins::DIV, {X, {Pattern::Builtins::SHL, {Y, u256(1)}}}},
|
||||
[=]() -> Pattern {
|
||||
return {Instruction::SHR, {Y, X}};
|
||||
return {Pattern::Builtins::SHR, {Y, X}};
|
||||
},
|
||||
// Actually only changes the order, does not remove.
|
||||
true
|
||||
@ -506,16 +506,16 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart7(
|
||||
|
||||
rules.push_back({
|
||||
// AND(A, SHR(B, X)) -> A & ((2^256-1) >> B) == ((2^256-1) >> B)
|
||||
{Instruction::AND, {A, {Instruction::SHR, {B, X}}}},
|
||||
[=]() -> Pattern { return {Instruction::SHR, {B, X}}; },
|
||||
{Pattern::Builtins::AND, {A, {Pattern::Builtins::SHR, {B, X}}}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::SHR, {B, X}}; },
|
||||
false,
|
||||
feasibilityFunction
|
||||
});
|
||||
|
||||
rules.push_back({
|
||||
// AND(SHR(B, X), A) -> ((2^256-1) >> B) & A == ((2^256-1) >> B)
|
||||
{Instruction::AND, {{Instruction::SHR, {B, X}}, A}},
|
||||
[=]() -> Pattern { return {Instruction::SHR, {B, X}}; },
|
||||
{Pattern::Builtins::AND, {{Pattern::Builtins::SHR, {B, X}}, A}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::SHR, {B, X}}; },
|
||||
false,
|
||||
feasibilityFunction
|
||||
});
|
||||
@ -538,28 +538,28 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart8(
|
||||
rules += std::vector<SimplificationRule<Pattern>>{
|
||||
{
|
||||
// X - A -> X + (-A)
|
||||
{Instruction::SUB, {X, A}},
|
||||
[=]() -> Pattern { return {Instruction::ADD, {X, 0 - A.d()}}; },
|
||||
{Pattern::Builtins::SUB, {X, A}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::ADD, {X, 0 - A.d()}}; },
|
||||
false
|
||||
}, {
|
||||
// (X + A) - Y -> (X - Y) + A
|
||||
{Instruction::SUB, {{Instruction::ADD, {X, A}}, Y}},
|
||||
[=]() -> Pattern { return {Instruction::ADD, {{Instruction::SUB, {X, Y}}, A}}; },
|
||||
{Pattern::Builtins::SUB, {{Pattern::Builtins::ADD, {X, A}}, Y}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::ADD, {{Pattern::Builtins::SUB, {X, Y}}, A}}; },
|
||||
false
|
||||
}, {
|
||||
// (A + X) - Y -> (X - Y) + A
|
||||
{Instruction::SUB, {{Instruction::ADD, {A, X}}, Y}},
|
||||
[=]() -> Pattern { return {Instruction::ADD, {{Instruction::SUB, {X, Y}}, A}}; },
|
||||
{Pattern::Builtins::SUB, {{Pattern::Builtins::ADD, {A, X}}, Y}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::ADD, {{Pattern::Builtins::SUB, {X, Y}}, A}}; },
|
||||
false
|
||||
}, {
|
||||
// X - (Y + A) -> (X - Y) + (-A)
|
||||
{Instruction::SUB, {X, {Instruction::ADD, {Y, A}}}},
|
||||
[=]() -> Pattern { return {Instruction::ADD, {{Instruction::SUB, {X, Y}}, 0 - A.d()}}; },
|
||||
{Pattern::Builtins::SUB, {X, {Pattern::Builtins::ADD, {Y, A}}}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::ADD, {{Pattern::Builtins::SUB, {X, Y}}, 0 - A.d()}}; },
|
||||
false
|
||||
}, {
|
||||
// X - (A + Y) -> (X - Y) + (-A)
|
||||
{Instruction::SUB, {X, {Instruction::ADD, {A, Y}}}},
|
||||
[=]() -> Pattern { return {Instruction::ADD, {{Instruction::SUB, {X, Y}}, 0 - A.d()}}; },
|
||||
{Pattern::Builtins::SUB, {X, {Pattern::Builtins::ADD, {A, Y}}}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::ADD, {{Pattern::Builtins::SUB, {X, Y}}, 0 - A.d()}}; },
|
||||
false
|
||||
}
|
||||
};
|
||||
@ -582,24 +582,24 @@ std::vector<SimplificationRule<Pattern>> simplificationRuleListPart9(
|
||||
u256 const mask = (u256(1) << 160) - 1;
|
||||
// CREATE
|
||||
rules.push_back({
|
||||
{Instruction::AND, {{Instruction::CREATE, {W, X, Y}}, mask}},
|
||||
[=]() -> Pattern { return {Instruction::CREATE, {W, X, Y}}; },
|
||||
{Pattern::Builtins::AND, {{Pattern::Builtins::CREATE, {W, X, Y}}, mask}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::CREATE, {W, X, Y}}; },
|
||||
false
|
||||
});
|
||||
rules.push_back({
|
||||
{Instruction::AND, {{mask, {Instruction::CREATE, {W, X, Y}}}}},
|
||||
[=]() -> Pattern { return {Instruction::CREATE, {W, X, Y}}; },
|
||||
{Pattern::Builtins::AND, {{mask, {Pattern::Builtins::CREATE, {W, X, Y}}}}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::CREATE, {W, X, Y}}; },
|
||||
false
|
||||
});
|
||||
// CREATE2
|
||||
rules.push_back({
|
||||
{Instruction::AND, {{Instruction::CREATE2, {W, X, Y, Z}}, mask}},
|
||||
[=]() -> Pattern { return {Instruction::CREATE2, {W, X, Y, Z}}; },
|
||||
{Pattern::Builtins::AND, {{Pattern::Builtins::CREATE2, {W, X, Y, Z}}, mask}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::CREATE2, {W, X, Y, Z}}; },
|
||||
false
|
||||
});
|
||||
rules.push_back({
|
||||
{Instruction::AND, {{mask, {Instruction::CREATE2, {W, X, Y, Z}}}}},
|
||||
[=]() -> Pattern { return {Instruction::CREATE2, {W, X, Y, Z}}; },
|
||||
{Pattern::Builtins::AND, {{mask, {Pattern::Builtins::CREATE2, {W, X, Y, Z}}}}},
|
||||
[=]() -> Pattern { return {Pattern::Builtins::CREATE2, {W, X, Y, Z}}; },
|
||||
false
|
||||
});
|
||||
|
||||
|
||||
@ -20,6 +20,7 @@
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <libevmasm/Instruction.h>
|
||||
#include <functional>
|
||||
|
||||
namespace dev
|
||||
@ -54,5 +55,85 @@ struct SimplificationRule
|
||||
std::function<bool()> feasible;
|
||||
};
|
||||
|
||||
struct EVMBuiltins
|
||||
{
|
||||
using InstrType = Instruction;
|
||||
static auto constexpr STOP = Instruction::STOP;
|
||||
static auto constexpr ADD = Instruction::ADD;
|
||||
static auto constexpr SUB = Instruction::SUB;
|
||||
static auto constexpr MUL = Instruction::MUL;
|
||||
static auto constexpr DIV = Instruction::DIV;
|
||||
static auto constexpr SDIV = Instruction::SDIV;
|
||||
static auto constexpr MOD = Instruction::MOD;
|
||||
static auto constexpr SMOD = Instruction::SMOD;
|
||||
static auto constexpr EXP = Instruction::EXP;
|
||||
static auto constexpr NOT = Instruction::NOT;
|
||||
static auto constexpr LT = Instruction::LT;
|
||||
static auto constexpr GT = Instruction::GT;
|
||||
static auto constexpr SLT = Instruction::SLT;
|
||||
static auto constexpr SGT = Instruction::SGT;
|
||||
static auto constexpr EQ = Instruction::EQ;
|
||||
static auto constexpr ISZERO = Instruction::ISZERO;
|
||||
static auto constexpr AND = Instruction::AND;
|
||||
static auto constexpr OR = Instruction::OR;
|
||||
static auto constexpr XOR = Instruction::XOR;
|
||||
static auto constexpr BYTE = Instruction::BYTE;
|
||||
static auto constexpr SHL = Instruction::SHL;
|
||||
static auto constexpr SHR = Instruction::SHR;
|
||||
static auto constexpr SAR = Instruction::SAR;
|
||||
static auto constexpr ADDMOD = Instruction::ADDMOD;
|
||||
static auto constexpr MULMOD = Instruction::MULMOD;
|
||||
static auto constexpr SIGNEXTEND = Instruction::SIGNEXTEND;
|
||||
static auto constexpr KECCAK256 = Instruction::KECCAK256;
|
||||
static auto constexpr ADDRESS = Instruction::ADDRESS;
|
||||
static auto constexpr BALANCE = Instruction::BALANCE;
|
||||
static auto constexpr ORIGIN = Instruction::ORIGIN;
|
||||
static auto constexpr CALLER = Instruction::CALLER;
|
||||
static auto constexpr CALLVALUE = Instruction::CALLVALUE;
|
||||
static auto constexpr CALLDATALOAD = Instruction::CALLDATALOAD;
|
||||
static auto constexpr CALLDATASIZE = Instruction::CALLDATASIZE;
|
||||
static auto constexpr CALLDATACOPY = Instruction::CALLDATACOPY;
|
||||
static auto constexpr CODESIZE = Instruction::CODESIZE;
|
||||
static auto constexpr CODECOPY = Instruction::CODECOPY;
|
||||
static auto constexpr GASPRICE = Instruction::GASPRICE;
|
||||
static auto constexpr EXTCODESIZE = Instruction::EXTCODESIZE;
|
||||
static auto constexpr EXTCODECOPY = Instruction::EXTCODECOPY;
|
||||
static auto constexpr RETURNDATASIZE = Instruction::RETURNDATASIZE;
|
||||
static auto constexpr RETURNDATACOPY = Instruction::RETURNDATACOPY;
|
||||
static auto constexpr EXTCODEHASH = Instruction::EXTCODEHASH;
|
||||
static auto constexpr BLOCKHASH = Instruction::BLOCKHASH;
|
||||
static auto constexpr COINBASE = Instruction::COINBASE;
|
||||
static auto constexpr TIMESTAMP = Instruction::TIMESTAMP;
|
||||
static auto constexpr NUMBER = Instruction::NUMBER;
|
||||
static auto constexpr DIFFICULTY = Instruction::DIFFICULTY;
|
||||
static auto constexpr GASLIMIT = Instruction::GASLIMIT;
|
||||
static auto constexpr CHAINID = Instruction::CHAINID;
|
||||
static auto constexpr SELFBALANCE = Instruction::SELFBALANCE;
|
||||
static auto constexpr POP = Instruction::POP;
|
||||
static auto constexpr MLOAD = Instruction::MLOAD;
|
||||
static auto constexpr MSTORE = Instruction::MSTORE;
|
||||
static auto constexpr MSTORE8 = Instruction::MSTORE8;
|
||||
static auto constexpr SLOAD = Instruction::SLOAD;
|
||||
static auto constexpr SSTORE = Instruction::SSTORE;
|
||||
static auto constexpr PC = Instruction::PC;
|
||||
static auto constexpr MSIZE = Instruction::MSIZE;
|
||||
static auto constexpr GAS = Instruction::GAS;
|
||||
static auto constexpr LOG0 = Instruction::LOG0;
|
||||
static auto constexpr LOG1 = Instruction::LOG1;
|
||||
static auto constexpr LOG2 = Instruction::LOG2;
|
||||
static auto constexpr LOG3 = Instruction::LOG3;
|
||||
static auto constexpr LOG4 = Instruction::LOG4;
|
||||
static auto constexpr CREATE = Instruction::CREATE;
|
||||
static auto constexpr CALL = Instruction::CALL;
|
||||
static auto constexpr CALLCODE = Instruction::CALLCODE;
|
||||
static auto constexpr STATICCALL = Instruction::STATICCALL;
|
||||
static auto constexpr RETURN = Instruction::RETURN;
|
||||
static auto constexpr DELEGATECALL = Instruction::DELEGATECALL;
|
||||
static auto constexpr CREATE2 = Instruction::CREATE2;
|
||||
static auto constexpr REVERT = Instruction::REVERT;
|
||||
static auto constexpr INVALID = Instruction::INVALID;
|
||||
static auto constexpr SELFDESTRUCT = Instruction::SELFDESTRUCT;
|
||||
};
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
@ -87,6 +87,10 @@ public:
|
||||
using Expression = ExpressionClasses::Expression;
|
||||
using Id = ExpressionClasses::Id;
|
||||
|
||||
using Builtins = dev::eth::EVMBuiltins;
|
||||
static constexpr size_t WordSize = 256;
|
||||
using Word = u256;
|
||||
|
||||
// Matches a specific constant value.
|
||||
Pattern(unsigned _value): Pattern(u256(_value)) {}
|
||||
// Matches a specific constant value.
|
||||
|
||||
@ -85,6 +85,10 @@ enum class PatternKind
|
||||
class Pattern
|
||||
{
|
||||
public:
|
||||
using Builtins = dev::eth::EVMBuiltins;
|
||||
static constexpr size_t WordSize = 256;
|
||||
using Word = dev::u256;
|
||||
|
||||
/// Matches any expression.
|
||||
Pattern(PatternKind _kind = PatternKind::Any): m_kind(_kind) {}
|
||||
// Matches a specific constant value.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user