// FIXME(integer): with new integer protocols implemented the overflows are no // longer caught: // XFAIL: * // RUN: %target-swift-frontend -emit-sil -primary-file %s -o /dev/null -verify // REQUIRES: PTRSIZE=64 // FIXME: Extend test/SILOptimizer/diagnostic_constant_propagation.swift to 32-bit platforms // These are tests for diagnostics produced by constant propagation pass. func testArithmeticOverflow() { let xu8 : UInt8 = 250 let yu8 : UInt8 = 250 var _ /*zu8*/ = xu8 + yu8 // expected-error {{arithmetic operation '250 + 250' (on type 'UInt8') results in an overflow}} var _ /*xpyu8*/ : UInt8 = 250 + 250 // expected-error {{arithmetic operation '250 + 250' (on type 'UInt8') results in an overflow}} var _ /*xpyi8*/ : Int8 = 126 + 126 // expected-error {{arithmetic operation '126 + 126' (on type 'Int8') results in an overflow}} var _ /*xmyu16*/ : UInt16 = 65000 * 2 // expected-error {{arithmetic operation '65000 * 2' (on type 'UInt16') results in an overflow}} var _ /*xmyi16*/ : Int16 = 32000 * 2 // expected-error {{arithmetic operation '32000 * 2' (on type 'Int16') results in an overflow}} var _ /*xmyu32*/ : UInt32 = 4294967295 * 30 // expected-error {{arithmetic operation '4294967295 * 30' (on type 'UInt32') results in an overflow}} var _ /*xpyi32*/ : Int32 = 2147483647 + 30 // expected-error {{arithmetic operation '2147483647 + 30' (on type 'Int32') results in an overflow}} var _ /*xpyu64*/ : UInt64 = 9223372036854775807 * 30 // expected-error {{results in an overflow}} var _ /*xpyi64*/ : Int64 = 9223372036854775807 + 1 // expected-error {{results in an overflow}} var xu8_2 : UInt8 = 240 xu8_2 += 40 // expected-error {{arithmetic operation '240 + 40' (on type 'UInt8') results in an overflow}} var _ : UInt8 = 230 - 240 // expected-error {{arithmetic operation '230 - 240' (on type 'UInt8') results in an overflow}} var xu8_3 : UInt8 = 240 // Global (cross block) analysis. for _ in 0..<10 {} xu8_3 += 40 // expected-error {{arithmetic operation '240 + 40' (on type 'UInt8') results in an overflow}} var _ : UInt8 = 240 + 5 + 15 // expected-error {{arithmetic operation '245 + 15' (on type 'UInt8') results in an overflow}} // TODO: We should remove the second init for Int8 - see rdar://problem/19224768 _ = Int8(126) + Int8(1+1) // expected-error {{arithmetic operation '126 + 2' (on type 'Int8') results in an overflow}} // DISABLED FOR NOW // asserts in the shift operators confuse constant propagation // var csh1: Int8 = (1 << 7) - 1 // expected - error {{arithmetic operation '-128 - 1' (on type 'Int8') results in an overflow}} // var csh2: Int8 = (-1 & ~(1<<7))+1 // expected - error {{arithmetic operation '127 + 1' (on type 'Int8') results in an overflow}} } @_transparent func myaddSigned(_ x: Int8, _ y: Int8, _ z: Int8) -> Int8 { return x + y } @_transparent func myaddUnsigned(_ x: UInt8, _ y: UInt8, _ z: UInt8) -> UInt8 { return x + y } func testGenericArithmeticOverflowMessage() { _ = myaddSigned(125, 125, 125) // expected-error{{arithmetic operation '125 + 125' (on signed 8-bit integer type) results in an overflow}} _ = myaddUnsigned(250, 250, 250) // expected-error{{arithmetic operation '250 + 250' (on unsigned 8-bit integer type) results in an overflow}} } typealias MyInt = UInt8 func testConvertOverflow() { var _ /*int8_minus_two*/ : Int8 = (-2) var _ /*int8_plus_two*/ : Int8 = (2) var _ /*int16_minus_two*/ : Int16 = (-2) var _ /*int16_plus_two*/ : Int16 = (2) var _ /*int32_minus_two*/ : Int32 = (-2) var _ /*int32_plus_two*/ : Int32 = (2) var _ /*int64_minus_two*/ : Int64 = (-2) var _ /*int64_plus_two*/ : Int64 = (2) let int_minus_two : Int = (-2) let int_plus_two : Int = (2) var _ /*convert_minus_two*/ = Int8(int_minus_two) var _ /*convert_plus_two*/ = Int8(int_plus_two) var _ /*uint8_minus_two*/ : UInt8 = (-2) // expected-error {{negative integer '-2' overflows when stored into unsigned type 'UInt8'}} var _ /*uint8_plus_two*/ : UInt8 = (2) var _ /*uint16_minus_two*/ : UInt16 = (-2) // expected-error {{negative integer '-2' overflows when stored into unsigned type 'UInt16'}} var _ /*uint16_plus_two*/ : UInt16 = (2) var _ /*uint32_minus_two*/ : UInt32 = (-2) // expected-error {{negative integer '-2' overflows when stored into unsigned type 'UInt32'}} let uint32_plus_two : UInt32 = (2) var _ /*uint64_minus_two*/ : UInt64 = (-2) // expected-error {{negative integer '-2' overflows when stored into unsigned type 'UInt64'}} var _ /*uint64_plus_two*/ : UInt64 = (2) var _ /*convert_s_to_u_minus_two*/ = UInt8(int_minus_two) // expected-error {{integer overflows when converted from 'Int' to 'UInt8'}} var _ /*convert_s_to_u_plus_two*/ = UInt8(int_plus_two) var _ /*convert_u_to_s_plus_two*/ = Int8(uint32_plus_two) var _ /*int8_min*/ : Int8 = (-128) var _ /*int8_min_m1*/ : Int8 = (-129) // expected-error {{integer literal '-129' overflows when stored into 'Int8'}} var _ /*int16_min*/ : Int16 = (-32768) var _ /*int16_min_m1*/ : Int16 = (-32769) // expected-error {{integer literal '-32769' overflows when stored into 'Int16'}} var _ /*int32_min*/ : Int32 = (-2147483648) var _ /*int32_min_m1*/ : Int32 = (-2147483649) // expected-error {{integer literal '-2147483649' overflows when stored into 'Int32'}} var _ /*int64_min*/ : Int64 = (-9223372036854775808) var _ /*int64_min_m1*/ : Int64 = (-9223372036854775809) // expected-error {{integer literal '-9223372036854775809' overflows when stored into 'Int64'}} let int_minus_128 = -128 var _ /*int8_min_conv*/ = Int8(int_minus_128) let int_minus_129 = -129 var _ /*int8_min_m1_conv*/ = Int8(int_minus_129) // expected-error {{integer overflows when converted from 'Int' to 'Int8'}} var _ /*int8_max*/ : Int8 = (127) var _ /*int8_max_p1*/ : Int8 = (128) // expected-error {{integer literal '128' overflows when stored into 'Int8'}} let int16_max : Int16 = (32767) var _ /*int16_max_p1*/ : Int16 = (32768) // expected-error {{integer literal '32768' overflows when stored into 'Int16'}} var _ /*int32_max*/ : Int32 = (2147483647) var _ /*int32_max_p1*/ : Int32 = (2147483648) // expected-error {{integer literal '2147483648' overflows when stored into 'Int32'}} var _ /*int64_max*/ : Int64 = (9223372036854775807) var _ /*int64_max_p1*/ : Int64 = (9223372036854775808) // expected-error {{integer literal '9223372036854775808' overflows when stored into 'Int64'}} var _ /*int16_max_conv*/ = Int16(UInt64(int16_max)) let uint64_plus_32768 : UInt64 = 32768 var _ /*int16_max_p1_conv*/ = Int16(uint64_plus_32768) // expected-error {{integer overflows when converted from 'UInt64' to 'Int16'}} var _ /*int8_max_pa*/ : Int8 = -13333; //expected-error{{integer literal '-13333' overflows when stored into 'Int8}} var _ /*int32_max_p_hex*/ : Int32 = 0xFFFF_FFFF; //expected-error{{integer literal '4294967295' overflows when stored into 'Int32'}} var _ /*uint32_max_hex*/ : UInt32 = 0xFFFF_FFFF var _ /*uint32_max_p_hex*/ : UInt32 = 0xFFFF_FFFF_F; //expected-error{{integer literal '68719476735' overflows when stored into 'UInt32'}} var _ /*uint0_typealias*/ : MyInt = 256; //expected-error{{integer literal '256' overflows when stored into 'MyInt'}} var _ /*uint8_min*/ : UInt8 = (0) let uint16_min : UInt16 = (0) var _ /*uint32_min*/ : UInt32 = (0) let uint64_min : UInt64 = (0) var _ /*uint8_min_conv_to_u*/ = UInt8(uint64_min) let int8_zero : Int8 = (0) var _ /*int16_zero*/ : Int16 = (0) var _ /*int32_zero*/ : Int32 = (0) var _ /*int64_zero*/ : Int64 = (0) var _ /*int8_min_conv_to_s*/ = Int8(uint16_min) var _ /*uint8_max*/ : UInt8 = (255) var _ /*uint8_max_p1*/ : UInt8 = (256) // expected-error {{integer literal '256' overflows when stored into 'UInt8'}} var _ /*uint16_max*/ : UInt16 = (65535) var _ /*uint16_max_p1*/ : UInt16 = (65536) // expected-error {{integer literal '65536' overflows when stored into 'UInt16'}} var _ /*uint32_max*/ : UInt32 = (4294967295) var _ /*uint32_max_p1*/ : UInt32 = (4294967296) // expected-error {{integer literal '4294967296' overflows when stored into 'UInt32'}} var _ /*uint64_max*/ : UInt64 = (18446744073709551615) var _ /*uint64_max_p1*/ : UInt64 = (18446744073709551616) // expected-error {{integer literal '18446744073709551616' overflows when stored into 'UInt64'}} let uint16_255 : UInt16 = 255 var _ /*uint8_max_conv*/ = UInt8(uint16_255) let uint16_256 : UInt16 = 256 var _ /*uint8_max_p1_conv*/ = UInt8(uint16_256) // expected-error {{integer overflows when converted from 'UInt16' to 'UInt8'}} // Check same size int conversions. let int8_minus_1 : Int8 = -1 let _ /*ssint8_neg*/ = UInt8(int8_minus_1) // expected-error {{negative integer cannot be converted to unsigned type 'UInt8'}} let uint8_128 : UInt8 = 128 let _ /*ssint8_toobig*/ = Int8(uint8_128) // expected-error {{integer overflows when converted from 'UInt8' to 'Int8'}} let uint8_127 : UInt8 = 127 let _ /*ssint8_good*/ = Int8(uint8_127) let int8_127 : Int8 = 127 let _ /*ssint8_good2*/ = UInt8(int8_127) let _ /*ssint8_zero*/ = UInt8(int8_zero) let uint8_zero : UInt8 = 0 let _ /*ssint8_zero2*/ = Int8(uint8_zero) // Check signed to unsigned extending size conversions. UInt16(Int8(-1)) // expected-error{{negative integer cannot be converted to unsigned type 'UInt16'}} // expected-warning{{unused}} UInt64(Int16(-200)) // expected-error{{negative integer cannot be converted to unsigned type 'UInt64'}} // expected-warning{{unused}} UInt64(Int32(-200)) // expected-error{{negative integer cannot be converted to unsigned type 'UInt64'}} // expected-warning{{unused}} Int16(Int8(-1)) // expected-warning{{unused}} Int64(Int16(-200)) // expected-warning{{unused}} Int64(Int32(-200)) // expected-warning{{unused}} Int64(UInt32(200)) // expected-warning{{unused}} UInt64(UInt32(200)) // expected-warning{{unused}} // IEEE binary32 max value = 2^128 * (2^23-1)/2^23 var _ /*float32_max*/ : Float32 = (340282326356119256160033759537265639424) var _ /*float32_max_p1*/ : Float32 = (340282326356119256160033759537265639425) // 2^128 * (2^25-1)/2^25 - 1 var _ /*float32_max_not_yet_overflow*/ : Float32 = (340282356779733661637539395458142568447) // 2^128 * (2^25-1)/2^25 var _ /*float32_max_first_overflow*/ : Float32 = (340282356779733661637539395458142568448) // expected-error {{integer literal '340282356779733661637539395458142568448' overflows when stored into 'Float32'}} // 2^128 var _ /*float32_max_definitely_overflow*/ : Float32 = (340282366920938463463374607431768211456) // expected-error {{integer literal '340282366920938463463374607431768211456' overflows when stored into 'Float32'}} // IEEE binary32 min value = -1 * 2^128 * (2^23-1)/2^23 var _ /*float32_min*/ : Float32 = (-340282326356119256160033759537265639424) var _ /*float32_min_p1*/ : Float32 = (-340282326356119256160033759537265639425) // -1 * 2^128 * (2^25-1)/2^25 - 1 var _ /*float32_min_not_yet_overflow*/ : Float32 = (-340282356779733661637539395458142568447) // -1 * 2^128 * (2^25-1)/2^25 var _ /*float32_min_first_overflow*/ : Float32 = (-340282356779733661637539395458142568448) // expected-error {{integer literal '-340282356779733661637539395458142568448' overflows when stored into 'Float32'}} // -1 * 2^128 var _ /*float32_min_definitely_overflow*/ : Float32 = (-340282366920938463463374607431768211456) // expected-error {{integer literal '-340282366920938463463374607431768211456' overflows when stored into 'Float32'}} // IEEE binary64 max value = 2^1024 * (2^52-1)/2^52 var _ /*float64_max*/ : Float64 = (179769313486231550856124328384506240234343437157459335924404872448581845754556114388470639943126220321960804027157371570809852884964511743044087662767600909594331927728237078876188760579532563768698654064825262115771015791463983014857704008123419459386245141723703148097529108423358883457665451722744025579520) var _ /*float64_max_p1*/ : Float64 = (179769313486231550856124328384506240234343437157459335924404872448581845754556114388470639943126220321960804027157371570809852884964511743044087662767600909594331927728237078876188760579532563768698654064825262115771015791463983014857704008123419459386245141723703148097529108423358883457665451722744025579520) // 2^1024 * (2^54-1)/2^54 - 1 var _/*float64_max_not_yet_overflow*/ : Float64 = (179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497791) // 2^1024 * (2^54-1)/2^54 var _ /*float64_max_first_overflow*/ : Float64 = (179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497792) // expected-error {{integer literal '179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497792' overflows when stored into 'Double'}} // 2^1024 var _/*float64_max_definitely_overflow*/ : Float64 = (179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216) // expected-error {{integer literal '179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216' overflows when stored into 'Double'}} // IEEE binary64 min value = -1 * 2^1024 * (2^52-1)/2^52 var _/*float64_min*/ : Float64 = (-179769313486231550856124328384506240234343437157459335924404872448581845754556114388470639943126220321960804027157371570809852884964511743044087662767600909594331927728237078876188760579532563768698654064825262115771015791463983014857704008123419459386245141723703148097529108423358883457665451722744025579520) var _/*float64_min_p1*/ : Float64 = (-179769313486231550856124328384506240234343437157459335924404872448581845754556114388470639943126220321960804027157371570809852884964511743044087662767600909594331927728237078876188760579532563768698654064825262115771015791463983014857704008123419459386245141723703148097529108423358883457665451722744025579520) // -1 * 2^1024 * (2^54-1)/2^54 - 1 var _/*float64_min_not_yet_overflow*/ : Float64 = (-179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497791) // -1 * 2^1024 * (2^54-1)/2^54 var _/*float64_min_first_overflow*/ : Float64 = (-179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497792) // expected-error {{integer literal '-179769313486231580793728971405303415079934132710037826936173778980444968292764750946649017977587207096330286416692887910946555547851940402630657488671505820681908902000708383676273854845817711531764475730270069855571366959622842914819860834936475292719074168444365510704342711559699508093042880177904174497792' overflows when stored into 'Double'}} // -1 * 2^1024 var _/*float64_min_definitely_overflow*/ : Float64 = (-179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216) // expected-error {{integer literal '-179769313486231590772930519078902473361797697894230657273430081157732675805500963132708477322407536021120113879871393357658789768814416622492847430639474124377767893424865485276302219601246094119453082952085005768838150682342462881473913110540827237163350510684586298239947245938479716304835356329624224137216' overflows when stored into 'Double'}} } @_transparent func intConversionWrapperForUSCheckedConversion(_ x: UInt8, _ unused: UInt8) -> Int8 { return Int8(x) } @_transparent func intConversionWrapperForLiteral() -> Int8 { return 255 // expected-error {{integer literal '255' overflows when stored into 'Int8'}} } func testFallBackDiagnosticMessages() { _ = intConversionWrapperForUSCheckedConversion(255, 30) // expected-error {{integer overflows when converted from unsigned 'Builtin.Int8' to signed 'Builtin.Int8'}} _ = intConversionWrapperForLiteral() // expected-error {{integer literal '255' overflows when stored into signed 'Builtin.Int8'}} } // XXX FIXME -- blocked by: 15735295 Need [su]{div,rem}_with_overflow IR /* func testDivision() { var i : Int = 3 / 3 var id : Int = 3 / 0 // expected -error{{division by zero}} var ir : Int = 3 % 0 // expected -error{{division by zero}} var uzero : UInt8 = 0 var uone : UInt8 = 1 var u : UInt8 = uzero / uone var ud : UInt8 = uone / uzero // expected -error{{division by zero}} var ur : UInt8 = uone % uzero // expected -error{{division by zero}} var f : Float = 3.0 / 0.0 var minusOne : Int32 = -1 var overflow : Int32 = -2147483648 / minusOne // expected -error{{division '-2147483648 / -1' results in an overflow}} } */ func testPostIncOverflow() { var s_max = Int.max s_max += 1 // expected-error {{arithmetic operation '9223372036854775807 + 1' (on type 'Int') results in an overflow}} var u_max = UInt.max u_max += 1 // expected-error {{arithmetic operation '18446744073709551615 + 1' (on type 'UInt') results in an overflow}} var s8_max = Int8.max s8_max += 1 // expected-error {{arithmetic operation '127 + 1' (on type 'Int8') results in an overflow}} var u8_max = UInt8.max u8_max += 1 // expected-error {{arithmetic operation '255 + 1' (on type 'UInt8') results in an overflow}} var s16_max = Int16.max s16_max += 1 // expected-error {{arithmetic operation '32767 + 1' (on type 'Int16') results in an overflow}} var u16_max = UInt16.max u16_max += 1 // expected-error {{arithmetic operation '65535 + 1' (on type 'UInt16') results in an overflow}} var s32_max = Int32.max s32_max += 1 // expected-error {{arithmetic operation '2147483647 + 1' (on type 'Int32') results in an overflow}} var u32_max = UInt32.max u32_max += 1 // expected-error {{arithmetic operation '4294967295 + 1' (on type 'UInt32') results in an overflow}} var s64_max = Int64.max s64_max += 1 // expected-error {{arithmetic operation '9223372036854775807 + 1' (on type 'Int64') results in an overflow}} var u64_max = UInt64.max u64_max += 1 // expected-error {{arithmetic operation '18446744073709551615 + 1' (on type 'UInt64') results in an overflow}} } func testPostDecOverflow() { var s_min = Int.min s_min -= 1 // expected-error {{arithmetic operation '-9223372036854775808 - 1' (on type 'Int') results in an overflow}} var u_min = UInt.min u_min -= 1 // expected-error {{arithmetic operation '0 - 1' (on type 'UInt') results in an overflow}} var s8_min = Int8.min s8_min -= 1 // expected-error {{arithmetic operation '-128 - 1' (on type 'Int8') results in an overflow}} var u8_min = UInt8.min u8_min -= 1 // expected-error {{arithmetic operation '0 - 1' (on type 'UInt8') results in an overflow}} var s16_min = Int16.min s16_min -= 1 // expected-error {{arithmetic operation '-32768 - 1' (on type 'Int16') results in an overflow}} var u16_min = UInt16.min u16_min -= 1 // expected-error {{arithmetic operation '0 - 1' (on type 'UInt16') results in an overflow}} var s32_min = Int32.min s32_min -= 1 // expected-error {{arithmetic operation '-2147483648 - 1' (on type 'Int32') results in an overflow}} var u32_min = UInt32.min u32_min -= 1 // expected-error {{arithmetic operation '0 - 1' (on type 'UInt32') results in an overflow}} var s64_min = Int64.min s64_min -= 1 // expected-error {{arithmetic operation '-9223372036854775808 - 1' (on type 'Int64') results in an overflow}} var u64_min = UInt64.min u64_min -= 1 // expected-error {{arithmetic operation '0 - 1' (on type 'UInt64') results in an overflow}} } func testAssumeNonNegative() { let input = -3 _ = _assumeNonNegative(input) // expected-error {{assumed non-negative value '-3' is negative}} } protocol Num { func Double() -> Self } extension Int8 : Num { @_transparent func Double() -> Int8 { return self * 2 } } @_transparent func Double(_ x: T) -> T { return x.Double() } func tryDouble() -> Int8 { return Double(Int8.max) // expected-error {{arithmetic operation '127 * 2' (on signed 8-bit integer type) results in an overflow}} } @_transparent func add(_ left: T, _ right: T) -> T { return left + right } @_transparent func applyBinary(_ fn: (T, T) -> (T), _ left: T, _ right: T) -> T { return fn(left, right) } func testTransparentApply() -> Int8 { return applyBinary(add, Int8.max, Int8.max) // expected-error {{arithmetic operation '127 + 127' (on signed 8-bit integer type) results in an overflow}} }