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Unexpectedly lengthy compile time Rust
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//$ rustc -C opt-level=2 test_20.rs | |
// takes over a minute to compile, rustc 1.53.0 (53cb7b09b 2021-06-17) | |
// see C++ equivalent at https://gist.github.com/ajdust/5e92cab52ffab5ea2a52edbd47aa348a | |
#![allow(unused_parens)] | |
fn f0(p: i32) -> i32 { | |
let x1: i32 = (p - ((((21 | 1) | p) ^ 84) & ((48 ^ (52 | (p & (2 ^ 61)))) - 67))); | |
let x2: i32 = x1; | |
let mut x3: i32 = 54; | |
let x4: i32 = 75; | |
let x5: i32 = (77 & 39); | |
let x6: i32 = (x2 * x5); | |
let x7: i32 = (88 * (8 + x1)); | |
x3 = (x3 + 60); | |
((((((((32 * p) & x1) ^ x2) - x3) ^ x4) & x5) | x6) | x7) | |
} | |
fn f1(p: i32) -> i32 { | |
let mut x1: i32 = f0(78); | |
x1 = (x1 ^ p); | |
let mut x2: i32 = f0(x1); | |
x2 = (x2 * 3); | |
let x3: i32 = f0(x1); | |
let x4: i32 = ((21 & (x3 - ((93 * (x3 - (f0(x3) - (x2 - (f0(x1) | 43))))) | (f0(p) - f0(x1))))) * 41); | |
((((((f0(p) | x2) ^ p) & x1) ^ x2) | x3) - x4) | |
} | |
fn f2(p: i32) -> i32 { | |
let mut x1: i32 = f1(50); | |
x1 = (x1 * p); | |
x1 = (x1 | f0(p)); | |
let mut x2: i32 = f1(x1); | |
x2 = (x2 | f1(x2)); | |
let mut x3: i32 = (24 * f0(x1)); | |
x2 = (x2 & f0(p)); | |
x3 = (x3 ^ x1); | |
let x4: i32 = x1; | |
(((((x4 ^ p) | x1) * x2) + x3) | x4) | |
} | |
fn f3(p: i32) -> i32 { | |
let mut x1: i32 = f2(75); | |
let x2: i32 = x1; | |
x1 = (x1 & x2); | |
let x3: i32 = f0(p); | |
let x4: i32 = ((f1(x3) ^ f1(x2)) + 92); | |
x1 = (x1 | (x2 ^ 94)); | |
x1 = (x1 * x2); | |
let x5: i32 = (f0(x1) & (3 ^ (f0(x1) * f2(x4)))); | |
x1 = (x1 + x2); | |
(((((((x1 * x5) * p) - x1) | x2) * x3) - x4) - x5) | |
} | |
fn f4(p: i32) -> i32 { | |
let mut x1: i32 = f3(14); | |
x1 = (x1 + f0(p)); | |
let mut x2: i32 = f1(x1); | |
x1 = (x1 - 41); | |
x2 = (x2 ^ 61); | |
let x3: i32 = f2(p); | |
x2 = (x2 ^ p); | |
let x4: i32 = x2; | |
x1 = (x1 - p); | |
x1 = (x1 * x4); | |
((((((88 & 11) & p) - x1) * x2) ^ x3) | x4) | |
} | |
fn f5(p: i32) -> i32 { | |
let mut x1: i32 = f4(50); | |
x1 = (x1 ^ 13); | |
((35 + p) | x1) | |
} | |
fn f6(p: i32) -> i32 { | |
let mut x1: i32 = f5(51); | |
x1 = (x1 + 27); | |
let x2: i32 = (p + (p | f1(x1))); | |
x1 = (x1 + f0(x2)); | |
let x3: i32 = f0(x1); | |
let mut x4: i32 = 48; | |
x1 = (x1 ^ f0(p)); | |
x1 = (x1 & 26); | |
x4 = (x4 * f1(x4)); | |
(((((99 - p) * x1) ^ x2) & x3) + x4) | |
} | |
fn f7(p: i32) -> i32 { | |
let mut x1: i32 = f6(71); | |
x1 = (x1 & 66); | |
x1 = (x1 & p); | |
let x2: i32 = 57; | |
x1 = (x1 * 26); | |
let x3: i32 = (21 & p); | |
let x4: i32 = (f0(x1) & (f3(p) * f2(p))); | |
let x5: i32 = f6(x3); | |
((((((x5 + p) | x1) + x2) - x3) & x4) * x5) | |
} | |
fn f8(p: i32) -> i32 { | |
let mut x1: i32 = f7(57); | |
x1 = (x1 & f5(p)); | |
x1 = (x1 ^ (x1 & f1(p))); | |
let x2: i32 = 25; | |
let x3: i32 = f5(x1); | |
((((x1 - p) * x1) & x2) ^ x3) | |
} | |
fn f9(p: i32) -> i32 { | |
let mut x1: i32 = f8(23); | |
x1 = (x1 | (((26 | f4(x1)) - f0(p)) | f8(p))); | |
let x2: i32 = x1; | |
let mut x3: i32 = 58; | |
x3 = (x3 - p); | |
let x4: i32 = f7(x1); | |
let x5: i32 = f7(x2); | |
let x6: i32 = (f7(x1) & 79); | |
(((((((33 | p) - x1) + x2) + x3) * x4) ^ x5) + x6) | |
} | |
fn f10(p: i32) -> i32 { | |
let mut x1: i32 = f9(75); | |
x1 = (x1 | 37); | |
(((f8(x1) + f3(x1)) | p) * x1) | |
} | |
fn f11(p: i32) -> i32 { | |
let mut x1: i32 = f10(8); | |
x1 = (x1 ^ f6(x1)); | |
let mut x2: i32 = p; | |
x2 = (x2 ^ 84); | |
let x3: i32 = (f5(p) ^ f5(p)); | |
x1 = (x1 * f5(p)); | |
x1 = (x1 | f1(x2)); | |
x1 = (x1 * f8(p)); | |
((((((f0(x3) | f9(p)) - f4(x1)) + p) & x1) & x2) - x3) | |
} | |
fn f12(p: i32) -> i32 { | |
let mut x1: i32 = f11(33); | |
x1 = (x1 * 84); | |
let mut x2: i32 = (67 - f0(p)); | |
x2 = (x2 | x1); | |
x1 = (x1 - 67); | |
x2 = (x2 - f6(p)); | |
(((p - p) * x1) | x2) | |
} | |
fn f13(p: i32) -> i32 { | |
let mut x1: i32 = f12(90); | |
x1 = (x1 + (f6(x1) - f4(p))); | |
x1 = (x1 - 19); | |
let x2: i32 = 92; | |
let mut x3: i32 = f9(x1); | |
let mut x4: i32 = x3; | |
x4 = (x4 - (87 | f5(x3))); | |
x3 = (x3 | 49); | |
let x5: i32 = 25; | |
let x6: i32 = x3; | |
(((((((2 & p) - x1) ^ x2) ^ x3) ^ x4) | x5) | x6) | |
} | |
fn f14(p: i32) -> i32 { | |
let mut x1: i32 = f13(66); | |
let x2: i32 = f2(p); | |
x1 = (x1 - 11); | |
let mut x3: i32 = 69; | |
x3 = (x3 * x2); | |
let x4: i32 = 91; | |
(((((19 * p) + x1) | x2) ^ x3) & x4) | |
} | |
fn f15(p: i32) -> i32 { | |
let mut x1: i32 = f14(79); | |
x1 = (x1 + (f8(p) & p)); | |
let x2: i32 = p; | |
x1 = (x1 | ((f5(p) & x2) ^ x2)); | |
let mut x3: i32 = x1; | |
x1 = (x1 - p); | |
x3 = (x3 * p); | |
((((40 * p) ^ x1) + x2) + x3) | |
} | |
fn f16(p: i32) -> i32 { | |
let x1: i32 = f15(77); | |
let mut x2: i32 = 5; | |
let mut x3: i32 = x1; | |
let x4: i32 = p; | |
x2 = (x2 + p); | |
let x5: i32 = x4; | |
x3 = (x3 | f9(x4)); | |
let x6: i32 = (68 ^ (61 ^ (24 * f14(x4)))); | |
(((((((88 + p) - x1) & x2) | x3) & x4) ^ x5) | x6) | |
} | |
fn f17(p: i32) -> i32 { | |
let mut x1: i32 = f16(41); | |
x1 = (x1 | 4); | |
let mut x2: i32 = x1; | |
x1 = (x1 | 52); | |
x1 = (x1 & 49); | |
x2 = (x2 & (f8(x2) ^ p)); | |
let mut x3: i32 = x2; | |
x3 = (x3 ^ ((x1 ^ x2) + f15(x2))); | |
let mut x4: i32 = (f13(x2) ^ 73); | |
x4 = (x4 - f12(x1)); | |
(((((x3 - p) + x1) ^ x2) + x3) | x4) | |
} | |
fn f18(p: i32) -> i32 { | |
let mut x1: i32 = f17(3); | |
x1 = (x1 & (p - ((33 * (95 | 87)) | (9 - f1(x1))))); | |
x1 = (x1 & (80 - f16(x1))); | |
x1 = (x1 & p); | |
x1 = (x1 + p); | |
x1 = (x1 | (82 - ((81 ^ p) - 97))); | |
((20 - p) * x1) | |
} | |
fn f19(p: i32) -> i32 { | |
let x1: i32 = f18(24); | |
let x2: i32 = (p & p); | |
let mut x3: i32 = 82; | |
let x4: i32 = (4 + x1); | |
x3 = (x3 | ((f10(p) + (f16(x3) - 34)) - f10(x1))); | |
let x5: i32 = (x4 | (x1 * (((f16(x1) + f4(x4)) - 43) & f7(x3)))); | |
(((((((f14(x3) | f9(x5)) - p) & x1) * x2) & x3) * x4) + x5) | |
} | |
fn f20(p: i32) -> i32 { | |
let x1: i32 = f19(78); | |
let x2: i32 = 81; | |
let x3: i32 = (x2 + (59 & x1)); | |
(((((f9(x3) ^ f11(x3)) * p) * x1) - x2) ^ x3) | |
} | |
fn main() { | |
let mut x0: i32 = f20(65); | |
x0 = (x0 * (53 + 37)); | |
let mut x1: i32 = (x0 - ((41 | ((f20(x0) * f9(x0)) + ((((f20(x0) + (77 + (f14(x0) ^ 60))) * 27) & 62) + x0))) & f20(x0))); | |
let x2: i32 = f15(x1); | |
x1 = (x1 | (x0 * (4 ^ 37))); | |
let m: i32 = (((x2 | x0) | x1) | x2); | |
println!("{}", m); | |
} |
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