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rust/tests/ui/intrinsics/intrinsics-integer.rs

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Add `// run-pass` annotations to all the tests under `ui/run-pass/`. (I may have accidentally added it to some auxilliary crates as well; my emacs-macro-based methodology was pretty crude.)
2018-08-30 12:18:55 +00:00
//@ run-pass
ci: Disable optimized tests for asm.js Since all tests are compiled with LTO effectively in Emscripten this commit disables optimizations to hopefully squeeze some more time out of the CI builders. Closes #48826
2018-03-16 18:42:42 +00:00
Stabilize i128_type
2018-03-17 00:51:49 +00:00
#![feature(intrinsics)]
attributes: Add #[rustc_safe_intrinsic] builtin
2022-08-17 11:43:59 +00:00
#![feature(rustc_attrs)]
Add appropriate #[feature] directives to tests
2013-10-03 03:00:54 +00:00
librustc: Remove "extern mod { ... }" from librustc, librustdoc, and tests. rs=deexterning
2013-03-05 22:42:58 +00:00
mod rusti {
librustc: Remove `pub extern` and `priv extern` from the language. Place `pub` or `priv` on individual items instead.
2013-07-19 02:08:57 +00:00
extern "rust-intrinsic" {
attributes: Add #[rustc_safe_intrinsic] builtin
2022-08-17 11:43:59 +00:00
#[rustc_safe_intrinsic]
Check unchecked_div|rem's specialisation Similarly to the simd intrinsics.
2015-10-26 03:51:51 +00:00
pub fn ctpop<T>(x: T) -> T;
attributes: Add #[rustc_safe_intrinsic] builtin
2022-08-17 11:43:59 +00:00
#[rustc_safe_intrinsic]
Check unchecked_div|rem's specialisation Similarly to the simd intrinsics.
2015-10-26 03:51:51 +00:00
pub fn ctlz<T>(x: T) -> T;
Add ctlz_nonzero & cttz_nonzero intrinsics LLVM currently doesn't remove the "bypass if argument is zero" assembly inside branches where the value is known to be non-zero, pessimizing code that uses uN::leading_zeros
2017-05-28 03:56:25 +00:00
pub fn ctlz_nonzero<T>(x: T) -> T;
attributes: Add #[rustc_safe_intrinsic] builtin
2022-08-17 11:43:59 +00:00
#[rustc_safe_intrinsic]
Check unchecked_div|rem's specialisation Similarly to the simd intrinsics.
2015-10-26 03:51:51 +00:00
pub fn cttz<T>(x: T) -> T;
Add ctlz_nonzero & cttz_nonzero intrinsics LLVM currently doesn't remove the "bypass if argument is zero" assembly inside branches where the value is known to be non-zero, pessimizing code that uses uN::leading_zeros
2017-05-28 03:56:25 +00:00
pub fn cttz_nonzero<T>(x: T) -> T;
attributes: Add #[rustc_safe_intrinsic] builtin
2022-08-17 11:43:59 +00:00
#[rustc_safe_intrinsic]
Check unchecked_div|rem's specialisation Similarly to the simd intrinsics.
2015-10-26 03:51:51 +00:00
pub fn bswap<T>(x: T) -> T;
attributes: Add #[rustc_safe_intrinsic] builtin
2022-08-17 11:43:59 +00:00
#[rustc_safe_intrinsic]
Add bitreverse intrinsic
2016-04-07 17:16:40 +00:00
pub fn bitreverse<T>(x: T) -> T;
librustc: Remove "extern mod { ... }" from librustc, librustdoc, and tests. rs=deexterning
2013-03-05 22:42:58 +00:00
}
Add support for bitcount intrinsics Adds support for the llvm.ctpop, llvm.ctlz and llvm.cttz intrinsics.
2012-12-21 18:30:33 +00:00
}
check-fast fallout from removing export, r=burningtree
2013-02-02 03:43:17 +00:00
pub fn main() {
const-stabilize const_int_ops + reverse_bits
2018-12-31 15:11:03 +00:00
use rusti::*;
assert_eq!(ctpop(0u8), 0); assert_eq!(ctpop(0i8), 0);
assert_eq!(ctpop(0u16), 0); assert_eq!(ctpop(0i16), 0);
assert_eq!(ctpop(0u32), 0); assert_eq!(ctpop(0i32), 0);
assert_eq!(ctpop(0u64), 0); assert_eq!(ctpop(0i64), 0);
assert_eq!(ctpop(0u128), 0); assert_eq!(ctpop(0i128), 0);
assert_eq!(ctpop(1u8), 1); assert_eq!(ctpop(1i8), 1);
assert_eq!(ctpop(1u16), 1); assert_eq!(ctpop(1i16), 1);
assert_eq!(ctpop(1u32), 1); assert_eq!(ctpop(1i32), 1);
assert_eq!(ctpop(1u64), 1); assert_eq!(ctpop(1i64), 1);
assert_eq!(ctpop(1u128), 1); assert_eq!(ctpop(1i128), 1);
assert_eq!(ctpop(10u8), 2); assert_eq!(ctpop(10i8), 2);
assert_eq!(ctpop(10u16), 2); assert_eq!(ctpop(10i16), 2);
assert_eq!(ctpop(10u32), 2); assert_eq!(ctpop(10i32), 2);
assert_eq!(ctpop(10u64), 2); assert_eq!(ctpop(10i64), 2);
assert_eq!(ctpop(10u128), 2); assert_eq!(ctpop(10i128), 2);
assert_eq!(ctpop(100u8), 3); assert_eq!(ctpop(100i8), 3);
assert_eq!(ctpop(100u16), 3); assert_eq!(ctpop(100i16), 3);
assert_eq!(ctpop(100u32), 3); assert_eq!(ctpop(100i32), 3);
assert_eq!(ctpop(100u64), 3); assert_eq!(ctpop(100i64), 3);
assert_eq!(ctpop(100u128), 3); assert_eq!(ctpop(100i128), 3);
assert_eq!(ctpop(-1i8 as u8), 8); assert_eq!(ctpop(-1i8), 8);
assert_eq!(ctpop(-1i16 as u16), 16); assert_eq!(ctpop(-1i16), 16);
assert_eq!(ctpop(-1i32 as u32), 32); assert_eq!(ctpop(-1i32), 32);
assert_eq!(ctpop(-1i64 as u64), 64); assert_eq!(ctpop(-1i64), 64);
assert_eq!(ctpop(-1i128 as u128), 128); assert_eq!(ctpop(-1i128), 128);
assert_eq!(ctlz(0u8), 8); assert_eq!(ctlz(0i8), 8);
assert_eq!(ctlz(0u16), 16); assert_eq!(ctlz(0i16), 16);
assert_eq!(ctlz(0u32), 32); assert_eq!(ctlz(0i32), 32);
assert_eq!(ctlz(0u64), 64); assert_eq!(ctlz(0i64), 64);
assert_eq!(ctlz(0u128), 128); assert_eq!(ctlz(0i128), 128);
assert_eq!(ctlz(1u8), 7); assert_eq!(ctlz(1i8), 7);
assert_eq!(ctlz(1u16), 15); assert_eq!(ctlz(1i16), 15);
assert_eq!(ctlz(1u32), 31); assert_eq!(ctlz(1i32), 31);
assert_eq!(ctlz(1u64), 63); assert_eq!(ctlz(1i64), 63);
assert_eq!(ctlz(1u128), 127); assert_eq!(ctlz(1i128), 127);
assert_eq!(ctlz(10u8), 4); assert_eq!(ctlz(10i8), 4);
assert_eq!(ctlz(10u16), 12); assert_eq!(ctlz(10i16), 12);
assert_eq!(ctlz(10u32), 28); assert_eq!(ctlz(10i32), 28);
assert_eq!(ctlz(10u64), 60); assert_eq!(ctlz(10i64), 60);
assert_eq!(ctlz(10u128), 124); assert_eq!(ctlz(10i128), 124);
assert_eq!(ctlz(100u8), 1); assert_eq!(ctlz(100i8), 1);
assert_eq!(ctlz(100u16), 9); assert_eq!(ctlz(100i16), 9);
assert_eq!(ctlz(100u32), 25); assert_eq!(ctlz(100i32), 25);
assert_eq!(ctlz(100u64), 57); assert_eq!(ctlz(100i64), 57);
assert_eq!(ctlz(100u128), 121); assert_eq!(ctlz(100i128), 121);
Check unchecked_div|rem's specialisation Similarly to the simd intrinsics.
2015-10-26 03:51:51 +00:00
const-stabilize const_int_ops + reverse_bits
2018-12-31 15:11:03 +00:00
unsafe {
Add ctlz_nonzero & cttz_nonzero intrinsics LLVM currently doesn't remove the "bypass if argument is zero" assembly inside branches where the value is known to be non-zero, pessimizing code that uses uN::leading_zeros
2017-05-28 03:56:25 +00:00
assert_eq!(ctlz_nonzero(1u8), 7); assert_eq!(ctlz_nonzero(1i8), 7);
assert_eq!(ctlz_nonzero(1u16), 15); assert_eq!(ctlz_nonzero(1i16), 15);
assert_eq!(ctlz_nonzero(1u32), 31); assert_eq!(ctlz_nonzero(1i32), 31);
assert_eq!(ctlz_nonzero(1u64), 63); assert_eq!(ctlz_nonzero(1i64), 63);
Add i128 tests for intrinsics
2018-02-28 13:56:54 +00:00
assert_eq!(ctlz_nonzero(1u128), 127); assert_eq!(ctlz_nonzero(1i128), 127);
Add ctlz_nonzero & cttz_nonzero intrinsics LLVM currently doesn't remove the "bypass if argument is zero" assembly inside branches where the value is known to be non-zero, pessimizing code that uses uN::leading_zeros
2017-05-28 03:56:25 +00:00
assert_eq!(ctlz_nonzero(10u8), 4); assert_eq!(ctlz_nonzero(10i8), 4);
assert_eq!(ctlz_nonzero(10u16), 12); assert_eq!(ctlz_nonzero(10i16), 12);
assert_eq!(ctlz_nonzero(10u32), 28); assert_eq!(ctlz_nonzero(10i32), 28);
assert_eq!(ctlz_nonzero(10u64), 60); assert_eq!(ctlz_nonzero(10i64), 60);
Add i128 tests for intrinsics
2018-02-28 13:56:54 +00:00
assert_eq!(ctlz_nonzero(10u128), 124); assert_eq!(ctlz_nonzero(10i128), 124);
Add ctlz_nonzero & cttz_nonzero intrinsics LLVM currently doesn't remove the "bypass if argument is zero" assembly inside branches where the value is known to be non-zero, pessimizing code that uses uN::leading_zeros
2017-05-28 03:56:25 +00:00
assert_eq!(ctlz_nonzero(100u8), 1); assert_eq!(ctlz_nonzero(100i8), 1);
assert_eq!(ctlz_nonzero(100u16), 9); assert_eq!(ctlz_nonzero(100i16), 9);
assert_eq!(ctlz_nonzero(100u32), 25); assert_eq!(ctlz_nonzero(100i32), 25);
assert_eq!(ctlz_nonzero(100u64), 57); assert_eq!(ctlz_nonzero(100i64), 57);
Add i128 tests for intrinsics
2018-02-28 13:56:54 +00:00
assert_eq!(ctlz_nonzero(100u128), 121); assert_eq!(ctlz_nonzero(100i128), 121);
const-stabilize const_int_ops + reverse_bits
2018-12-31 15:11:03 +00:00
}
Add ctlz_nonzero & cttz_nonzero intrinsics LLVM currently doesn't remove the "bypass if argument is zero" assembly inside branches where the value is known to be non-zero, pessimizing code that uses uN::leading_zeros
2017-05-28 03:56:25 +00:00
const-stabilize const_int_ops + reverse_bits
2018-12-31 15:11:03 +00:00
assert_eq!(cttz(-1i8 as u8), 0); assert_eq!(cttz(-1i8), 0);
assert_eq!(cttz(-1i16 as u16), 0); assert_eq!(cttz(-1i16), 0);
assert_eq!(cttz(-1i32 as u32), 0); assert_eq!(cttz(-1i32), 0);
assert_eq!(cttz(-1i64 as u64), 0); assert_eq!(cttz(-1i64), 0);
assert_eq!(cttz(-1i128 as u128), 0); assert_eq!(cttz(-1i128), 0);
assert_eq!(cttz(0u8), 8); assert_eq!(cttz(0i8), 8);
assert_eq!(cttz(0u16), 16); assert_eq!(cttz(0i16), 16);
assert_eq!(cttz(0u32), 32); assert_eq!(cttz(0i32), 32);
assert_eq!(cttz(0u64), 64); assert_eq!(cttz(0i64), 64);
assert_eq!(cttz(0u128), 128); assert_eq!(cttz(0i128), 128);
assert_eq!(cttz(1u8), 0); assert_eq!(cttz(1i8), 0);
assert_eq!(cttz(1u16), 0); assert_eq!(cttz(1i16), 0);
assert_eq!(cttz(1u32), 0); assert_eq!(cttz(1i32), 0);
assert_eq!(cttz(1u64), 0); assert_eq!(cttz(1i64), 0);
assert_eq!(cttz(1u128), 0); assert_eq!(cttz(1i128), 0);
assert_eq!(cttz(10u8), 1); assert_eq!(cttz(10i8), 1);
assert_eq!(cttz(10u16), 1); assert_eq!(cttz(10i16), 1);
assert_eq!(cttz(10u32), 1); assert_eq!(cttz(10i32), 1);
assert_eq!(cttz(10u64), 1); assert_eq!(cttz(10i64), 1);
assert_eq!(cttz(10u128), 1); assert_eq!(cttz(10i128), 1);
assert_eq!(cttz(100u8), 2); assert_eq!(cttz(100i8), 2);
assert_eq!(cttz(100u16), 2); assert_eq!(cttz(100i16), 2);
assert_eq!(cttz(100u32), 2); assert_eq!(cttz(100i32), 2);
assert_eq!(cttz(100u64), 2); assert_eq!(cttz(100i64), 2);
assert_eq!(cttz(100u128), 2); assert_eq!(cttz(100i128), 2);
Check unchecked_div|rem's specialisation Similarly to the simd intrinsics.
2015-10-26 03:51:51 +00:00
const-stabilize const_int_ops + reverse_bits
2018-12-31 15:11:03 +00:00
unsafe {
Add ctlz_nonzero & cttz_nonzero intrinsics LLVM currently doesn't remove the "bypass if argument is zero" assembly inside branches where the value is known to be non-zero, pessimizing code that uses uN::leading_zeros
2017-05-28 03:56:25 +00:00
assert_eq!(cttz_nonzero(-1i8 as u8), 0); assert_eq!(cttz_nonzero(-1i8), 0);
assert_eq!(cttz_nonzero(-1i16 as u16), 0); assert_eq!(cttz_nonzero(-1i16), 0);
assert_eq!(cttz_nonzero(-1i32 as u32), 0); assert_eq!(cttz_nonzero(-1i32), 0);
assert_eq!(cttz_nonzero(-1i64 as u64), 0); assert_eq!(cttz_nonzero(-1i64), 0);
Add i128 tests for intrinsics
2018-02-28 13:56:54 +00:00
assert_eq!(cttz_nonzero(-1i128 as u128), 0); assert_eq!(cttz_nonzero(-1i128), 0);
Add ctlz_nonzero & cttz_nonzero intrinsics LLVM currently doesn't remove the "bypass if argument is zero" assembly inside branches where the value is known to be non-zero, pessimizing code that uses uN::leading_zeros
2017-05-28 03:56:25 +00:00
assert_eq!(cttz_nonzero(1u8), 0); assert_eq!(cttz_nonzero(1i8), 0);
assert_eq!(cttz_nonzero(1u16), 0); assert_eq!(cttz_nonzero(1i16), 0);
assert_eq!(cttz_nonzero(1u32), 0); assert_eq!(cttz_nonzero(1i32), 0);
assert_eq!(cttz_nonzero(1u64), 0); assert_eq!(cttz_nonzero(1i64), 0);
Add i128 tests for intrinsics
2018-02-28 13:56:54 +00:00
assert_eq!(cttz_nonzero(1u128), 0); assert_eq!(cttz_nonzero(1i128), 0);
Add ctlz_nonzero & cttz_nonzero intrinsics LLVM currently doesn't remove the "bypass if argument is zero" assembly inside branches where the value is known to be non-zero, pessimizing code that uses uN::leading_zeros
2017-05-28 03:56:25 +00:00
assert_eq!(cttz_nonzero(10u8), 1); assert_eq!(cttz_nonzero(10i8), 1);
assert_eq!(cttz_nonzero(10u16), 1); assert_eq!(cttz_nonzero(10i16), 1);
assert_eq!(cttz_nonzero(10u32), 1); assert_eq!(cttz_nonzero(10i32), 1);
assert_eq!(cttz_nonzero(10u64), 1); assert_eq!(cttz_nonzero(10i64), 1);
Add i128 tests for intrinsics
2018-02-28 13:56:54 +00:00
assert_eq!(cttz_nonzero(10u128), 1); assert_eq!(cttz_nonzero(10i128), 1);
Add ctlz_nonzero & cttz_nonzero intrinsics LLVM currently doesn't remove the "bypass if argument is zero" assembly inside branches where the value is known to be non-zero, pessimizing code that uses uN::leading_zeros
2017-05-28 03:56:25 +00:00
assert_eq!(cttz_nonzero(100u8), 2); assert_eq!(cttz_nonzero(100i8), 2);
assert_eq!(cttz_nonzero(100u16), 2); assert_eq!(cttz_nonzero(100i16), 2);
assert_eq!(cttz_nonzero(100u32), 2); assert_eq!(cttz_nonzero(100i32), 2);
assert_eq!(cttz_nonzero(100u64), 2); assert_eq!(cttz_nonzero(100i64), 2);
Add i128 tests for intrinsics
2018-02-28 13:56:54 +00:00
assert_eq!(cttz_nonzero(100u128), 2); assert_eq!(cttz_nonzero(100i128), 2);
librustc: Make C functions unsafe
2013-01-24 00:29:31 +00:00
}
const-stabilize const_int_ops + reverse_bits
2018-12-31 15:11:03 +00:00
assert_eq!(bswap(0x0Au8), 0x0A); // no-op
assert_eq!(bswap(0x0Ai8), 0x0A); // no-op
assert_eq!(bswap(0x0A0Bu16), 0x0B0A);
assert_eq!(bswap(0x0A0Bi16), 0x0B0A);
assert_eq!(bswap(0x0ABBCC0Du32), 0x0DCCBB0A);
assert_eq!(bswap(0x0ABBCC0Di32), 0x0DCCBB0A);
assert_eq!(bswap(0x0122334455667708u64), 0x0877665544332201);
assert_eq!(bswap(0x0122334455667708i64), 0x0877665544332201);
assert_eq!(bswap(0x0122334455667708u128), 0x08776655443322010000000000000000);
assert_eq!(bswap(0x0122334455667708i128), 0x08776655443322010000000000000000);
assert_eq!(bitreverse(0x0Au8), 0x50);
assert_eq!(bitreverse(0x0Ai8), 0x50);
assert_eq!(bitreverse(0x0A0Cu16), 0x3050);
assert_eq!(bitreverse(0x0A0Ci16), 0x3050);
assert_eq!(bitreverse(0x0ABBCC0Eu32), 0x7033DD50);
assert_eq!(bitreverse(0x0ABBCC0Ei32), 0x7033DD50);
assert_eq!(bitreverse(0x0122334455667708u64), 0x10EE66AA22CC4480);
assert_eq!(bitreverse(0x0122334455667708i64), 0x10EE66AA22CC4480);
assert_eq!(bitreverse(0x0122334455667708u128), 0x10EE66AA22CC44800000000000000000);
assert_eq!(bitreverse(0x0122334455667708i128), 0x10EE66AA22CC44800000000000000000);
Add support for bitcount intrinsics Adds support for the llvm.ctpop, llvm.ctlz and llvm.cttz intrinsics.
2012-12-21 18:30:33 +00:00
}
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