1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // asmjs can't even pass i128 as arguments or return values, so ignore it.
12 // this will hopefully be fixed by the LLVM 5 upgrade (#43370)
16 // compile-flags: -Z lower_128bit_ops=yes -C debug_assertions=yes
20 static TEST_SIGNED: i128 = const_signed(-222);
21 static TEST_UNSIGNED: u128 = const_unsigned(200);
23 const fn const_signed(mut x: i128) -> i128 {
24 ((((((x + 1) - 2) * 3) / 4) % 5) << 6) >> 7
27 const fn const_unsigned(mut x: u128) -> u128 {
28 ((((((x + 1) - 2) * 3) / 4) % 5) << 6) >> 7
31 fn test_signed(mut x: i128) -> i128 {
42 fn test_unsigned(mut x: u128) -> u128 {
53 fn check(x: i128, y: u128) {
54 assert_eq!(test_signed(x), -1);
55 assert_eq!(const_signed(x), -1);
56 assert_eq!(TEST_SIGNED, -1);
57 assert_eq!(test_unsigned(y), 2);
58 assert_eq!(const_unsigned(y), 2);
59 assert_eq!(TEST_UNSIGNED, 2);
68 // START rustc.const_signed.Lower128Bit.after.mir
70 // _9 = const compiler_builtins::int::addsub::rust_i128_addo(move _8, const 1i128) -> bb10;
72 // _7 = move (_9.0: i128);
74 // _10 = const compiler_builtins::int::addsub::rust_i128_subo(move _7, const 2i128) -> bb11;
76 // _6 = move (_10.0: i128);
78 // _11 = const compiler_builtins::int::mul::rust_i128_mulo(move _6, const 3i128) -> bb12;
80 // _5 = move (_11.0: i128);
82 // _12 = Eq(const 4i128, const 0i128);
83 // assert(!move _12, "attempt to divide by zero") -> bb4;
85 // _13 = Eq(const 4i128, const -1i128);
86 // _14 = Eq(_5, const -170141183460469231731687303715884105728i128);
87 // _15 = BitAnd(move _13, move _14);
88 // assert(!move _15, "attempt to divide with overflow") -> bb5;
90 // _4 = const compiler_builtins::int::sdiv::rust_i128_div(move _5, const 4i128) -> bb13;
92 // _17 = Eq(const 5i128, const -1i128);
93 // _18 = Eq(_4, const -170141183460469231731687303715884105728i128);
94 // _19 = BitAnd(move _17, move _18);
95 // assert(!move _19, "attempt to calculate the remainder with overflow") -> bb7;
97 // _3 = const compiler_builtins::int::sdiv::rust_i128_rem(move _4, const 5i128) -> bb15;
99 // _2 = move (_20.0: i128);
101 // _23 = const 7i32 as u128 (Misc);
102 // _21 = const compiler_builtins::int::shift::rust_i128_shro(move _2, move _23) -> bb16;
104 // _0 = move (_21.0: i128);
106 // assert(!move (_9.1: bool), "attempt to add with overflow") -> bb1;
108 // assert(!move (_10.1: bool), "attempt to subtract with overflow") -> bb2;
110 // assert(!move (_11.1: bool), "attempt to multiply with overflow") -> bb3;
112 // _16 = Eq(const 5i128, const 0i128);
113 // assert(!move _16, "attempt to calculate the remainder with a divisor of zero") -> bb6;
115 // assert(!move (_20.1: bool), "attempt to shift left with overflow") -> bb8;
117 // _22 = const 6i32 as u128 (Misc);
118 // _20 = const compiler_builtins::int::shift::rust_i128_shlo(move _3, move _22) -> bb14;
120 // assert(!move (_21.1: bool), "attempt to shift right with overflow") -> bb9;
121 // END rustc.const_signed.Lower128Bit.after.mir
123 // START rustc.const_unsigned.Lower128Bit.after.mir
125 // _9 = const compiler_builtins::int::addsub::rust_u128_addo(move _8, const 1u128) -> bb8;
127 // _7 = move (_9.0: u128);
129 // _10 = const compiler_builtins::int::addsub::rust_u128_subo(move _7, const 2u128) -> bb9;
131 // _6 = move (_10.0: u128);
133 // _11 = const compiler_builtins::int::mul::rust_u128_mulo(move _6, const 3u128) -> bb10;
135 // _5 = move (_11.0: u128);
137 // _12 = Eq(const 4u128, const 0u128);
138 // assert(!move _12, "attempt to divide by zero") -> bb4;
140 // _4 = const compiler_builtins::int::udiv::rust_u128_div(move _5, const 4u128) -> bb11;
142 // _3 = const compiler_builtins::int::udiv::rust_u128_rem(move _4, const 5u128) -> bb13;
144 // _2 = move (_14.0: u128);
146 // _17 = const 7i32 as u128 (Misc);
147 // _15 = const compiler_builtins::int::shift::rust_u128_shro(move _2, move _17) -> bb14;
149 // _0 = move (_15.0: u128);
151 // assert(!move (_9.1: bool), "attempt to add with overflow") -> bb1;
153 // assert(!move (_10.1: bool), "attempt to subtract with overflow") -> bb2;
155 // assert(!move (_11.1: bool), "attempt to multiply with overflow") -> bb3;
157 // _13 = Eq(const 5u128, const 0u128);
158 // assert(!move _13, "attempt to calculate the remainder with a divisor of zero") -> bb5;
160 // assert(!move (_14.1: bool), "attempt to shift left with overflow") -> bb6;
162 // _16 = const 6i32 as u128 (Misc);
163 // _14 = const compiler_builtins::int::shift::rust_u128_shlo(move _3, move _16) -> bb12;
165 // assert(!move (_15.1: bool), "attempt to shift right with overflow") -> bb7;
166 // END rustc.const_unsigned.Lower128Bit.after.mir
168 // START rustc.test_signed.Lower128Bit.after.mir
169 // _2 = const compiler_builtins::int::addsub::rust_i128_addo(_1, const 1i128) -> bb10;
171 // _1 = move (_2.0: i128);
172 // _3 = const compiler_builtins::int::addsub::rust_i128_subo(_1, const 2i128) -> bb11;
174 // _1 = move (_3.0: i128);
175 // _4 = const compiler_builtins::int::mul::rust_i128_mulo(_1, const 3i128) -> bb12;
177 // _1 = move (_4.0: i128);
179 // _1 = const compiler_builtins::int::sdiv::rust_i128_div(_1, const 4i128) -> bb13;
181 // _1 = const compiler_builtins::int::sdiv::rust_i128_rem(_1, const 5i128) -> bb15;
183 // _1 = move (_13.0: i128);
185 // _16 = const 7i32 as u128 (Misc);
186 // _14 = const compiler_builtins::int::shift::rust_i128_shro(_1, move _16) -> bb16;
188 // _1 = move (_14.0: i128);
190 // assert(!move (_2.1: bool), "attempt to add with overflow") -> bb1;
192 // assert(!move (_3.1: bool), "attempt to subtract with overflow") -> bb2;
194 // assert(!move (_4.1: bool), "attempt to multiply with overflow") -> bb3;
196 // assert(!move (_13.1: bool), "attempt to shift left with overflow") -> bb8;
198 // _15 = const 6i32 as u128 (Misc);
199 // _13 = const compiler_builtins::int::shift::rust_i128_shlo(_1, move _15) -> bb14;
201 // assert(!move (_14.1: bool), "attempt to shift right with overflow") -> bb9;
202 // END rustc.test_signed.Lower128Bit.after.mir
204 // START rustc.test_unsigned.Lower128Bit.after.mir
205 // _2 = const compiler_builtins::int::addsub::rust_u128_addo(_1, const 1u128) -> bb8;
207 // _1 = move (_2.0: u128);
208 // _3 = const compiler_builtins::int::addsub::rust_u128_subo(_1, const 2u128) -> bb9;
210 // _1 = move (_3.0: u128);
211 // _4 = const compiler_builtins::int::mul::rust_u128_mulo(_1, const 3u128) -> bb10;
213 // _1 = move (_4.0: u128);
215 // _1 = const compiler_builtins::int::udiv::rust_u128_div(_1, const 4u128) -> bb11;
217 // _1 = const compiler_builtins::int::udiv::rust_u128_rem(_1, const 5u128) -> bb13;
219 // _1 = move (_7.0: u128);
221 // _10 = const 7i32 as u128 (Misc);
222 // _8 = const compiler_builtins::int::shift::rust_u128_shro(_1, move _10) -> bb14;
224 // _1 = move (_8.0: u128);
226 // assert(!move (_2.1: bool), "attempt to add with overflow") -> bb1;
228 // assert(!move (_3.1: bool), "attempt to subtract with overflow") -> bb2;
230 // assert(!move (_4.1: bool), "attempt to multiply with overflow") -> bb3;
232 // assert(!move (_7.1: bool), "attempt to shift left with overflow") -> bb6;
234 // _9 = const 6i32 as u128 (Misc);
235 // _7 = const compiler_builtins::int::shift::rust_u128_shlo(_1, move _9) -> bb12;
237 // assert(!move (_8.1: bool), "attempt to shift right with overflow") -> bb7;
238 // END rustc.test_unsigned.Lower128Bit.after.mir