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scottmcmscottmcm
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Update compiler-builtins and use it the 128-bit lowering MIR test
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3 files changed

+33
-92
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3 files changed

+33
-92
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‎src/libcompiler_builtins

‎src/test/mir-opt/lower_128bit_debug_test.rs

+16-46
Original file line numberDiff line numberDiff line change
@@ -13,36 +13,6 @@
1313
#![feature(i128_type)]
1414
#![feature(lang_items)]
1515

16-
#[lang="i128_div"]
17-
fn i128_div(_x: i128, _y: i128) -> i128 { 3 }
18-
#[lang="u128_div"]
19-
fn u128_div(_x: u128, _y: u128) -> u128 { 4 }
20-
#[lang="i128_rem"]
21-
fn i128_rem(_x: i128, _y: i128) -> i128 { 5 }
22-
#[lang="u128_rem"]
23-
fn u128_rem(_x: u128, _y: u128) -> u128 { 6 }
24-
25-
#[lang="i128_addo"]
26-
fn i128_addo(_x: i128, _y: i128) -> (i128, bool) { (0, false) }
27-
#[lang="u128_addo"]
28-
fn u128_addo(_x: u128, _y: u128) -> (u128, bool) { (1, false) }
29-
#[lang="i128_subo"]
30-
fn i128_subo(_x: i128, _y: i128) -> (i128, bool) { (2, false) }
31-
#[lang="u128_subo"]
32-
fn u128_subo(_x: u128, _y: u128) -> (u128, bool) { (3, false) }
33-
#[lang="i128_mulo"]
34-
fn i128_mulo(_x: i128, _y: i128) -> (i128, bool) { (4, false) }
35-
#[lang="u128_mulo"]
36-
fn u128_mulo(_x: u128, _y: u128) -> (u128, bool) { (5, false) }
37-
#[lang="i128_shlo"]
38-
fn i128_shlo(_x: i128, _y: u128) -> (i128, bool) { (6, false) }
39-
#[lang="u128_shlo"]
40-
fn u128_shlo(_x: u128, _y: u128) -> (u128, bool) { (6, false) }
41-
#[lang="i128_shro"]
42-
fn i128_shro(_x: i128, _y: u128) -> (i128, bool) { (7, false) }
43-
#[lang="u128_shro"]
44-
fn u128_shro(_x: u128, _y: u128) -> (u128, bool) { (8, false) }
45-
4616
fn test_signed(mut x: i128) -> i128 {
4717
x += 1;
4818
x -= 2;
@@ -66,31 +36,31 @@ fn test_unsigned(mut x: u128) -> u128 {
6636
}
6737

6838
fn main() {
69-
test_signed(-200);
70-
test_unsigned(200);
39+
assert_eq!(test_signed(-222), -1);
40+
assert_eq!(test_unsigned(200), 2);
7141
}
7242

7343
// END RUST SOURCE
7444

7545
// START rustc.test_signed.Lower128Bit.after.mir
76-
// _2 = const i128_addo(_1, const 1i128) -> bb10;
46+
// _2 = const compiler_builtins::int::addsub::rust_i128_addo(_1, const 1i128) -> bb10;
7747
// ...
7848
// _1 = move (_2.0: i128);
79-
// _3 = const i128_subo(_1, const 2i128) -> bb11;
49+
// _3 = const compiler_builtins::int::addsub::rust_i128_subo(_1, const 2i128) -> bb11;
8050
// ...
8151
// _1 = move (_3.0: i128);
82-
// _4 = const i128_mulo(_1, const 3i128) -> bb12;
52+
// _4 = const compiler_builtins::int::mul::rust_i128_mulo(_1, const 3i128) -> bb12;
8353
// ...
8454
// _1 = move (_4.0: i128);
8555
// ...
86-
// _1 = const i128_div(_1, const 4i128) -> bb13;
56+
// _1 = const compiler_builtins::int::sdiv::rust_i128_div(_1, const 4i128) -> bb13;
8757
// ...
88-
// _1 = const i128_rem(_1, const 5i128) -> bb15;
58+
// _1 = const compiler_builtins::int::sdiv::rust_i128_rem(_1, const 5i128) -> bb15;
8959
// ...
9060
// _1 = move (_13.0: i128);
9161
// ...
9262
// _17 = const 7i32 as u128 (Misc);
93-
// _14 = const i128_shro(_1, move _17) -> bb16;
63+
// _14 = const compiler_builtins::int::shift::rust_i128_shro(_1, move _17) -> bb16;
9464
// ...
9565
// _1 = move (_14.0: i128);
9666
// ...
@@ -103,30 +73,30 @@ fn main() {
10373
// assert(!move (_13.1: bool), "attempt to shift left with overflow") -> bb8;
10474
// ...
10575
// _16 = const 6i32 as u128 (Misc);
106-
// _13 = const i128_shlo(_1, move _16) -> bb14;
76+
// _13 = const compiler_builtins::int::shift::rust_i128_shlo(_1, move _16) -> bb14;
10777
// ...
10878
// assert(!move (_14.1: bool), "attempt to shift right with overflow") -> bb9;
10979
// END rustc.test_signed.Lower128Bit.after.mir
11080

11181
// START rustc.test_unsigned.Lower128Bit.after.mir
112-
// _2 = const u128_addo(_1, const 1u128) -> bb8;
82+
// _2 = const compiler_builtins::int::addsub::rust_u128_addo(_1, const 1u128) -> bb8;
11383
// ...
11484
// _1 = move (_2.0: u128);
115-
// _3 = const u128_subo(_1, const 2u128) -> bb9;
85+
// _3 = const compiler_builtins::int::addsub::rust_u128_subo(_1, const 2u128) -> bb9;
11686
// ...
11787
// _1 = move (_3.0: u128);
118-
// _4 = const u128_mulo(_1, const 3u128) -> bb10;
88+
// _4 = const compiler_builtins::int::mul::rust_u128_mulo(_1, const 3u128) -> bb10;
11989
// ...
12090
// _1 = move (_4.0: u128);
12191
// ...
122-
// _1 = const u128_div(_1, const 4u128) -> bb11;
92+
// _1 = const compiler_builtins::int::udiv::rust_u128_div(_1, const 4u128) -> bb11;
12393
// ...
124-
// _1 = const u128_rem(_1, const 5u128) -> bb13;
94+
// _1 = const compiler_builtins::int::udiv::rust_u128_rem(_1, const 5u128) -> bb13;
12595
// ...
12696
// _1 = move (_7.0: u128);
12797
// ...
12898
// _11 = const 7i32 as u128 (Misc);
129-
// _8 = const u128_shro(_1, move _11) -> bb14;
99+
// _8 = const compiler_builtins::int::shift::rust_u128_shro(_1, move _11) -> bb14;
130100
// ...
131101
// _1 = move (_8.0: u128);
132102
// ...
@@ -139,7 +109,7 @@ fn main() {
139109
// assert(!move (_7.1: bool), "attempt to shift left with overflow") -> bb6;
140110
// ...
141111
// _10 = const 6i32 as u128 (Misc);
142-
// _7 = const u128_shlo(_1, move _10) -> bb12;
112+
// _7 = const compiler_builtins::int::shift::rust_u128_shlo(_1, move _10) -> bb12;
143113
// ...
144114
// assert(!move (_8.1: bool), "attempt to shift right with overflow") -> bb7;
145115
// END rustc.test_unsigned.Lower128Bit.after.mir

‎src/test/mir-opt/lower_128bit_test.rs

+16-45
Original file line numberDiff line numberDiff line change
@@ -13,35 +13,6 @@
1313
#![feature(i128_type)]
1414
#![feature(lang_items)]
1515

16-
#[lang="i128_add"]
17-
fn i128_add(_x: i128, _y: i128) -> i128 { 0 }
18-
#[lang="u128_add"]
19-
fn u128_add(_x: u128, _y: u128) -> u128 { 0 }
20-
#[lang="i128_sub"]
21-
fn i128_sub(_x: i128, _y: i128) -> i128 { 1 }
22-
#[lang="u128_sub"]
23-
fn u128_sub(_x: u128, _y: u128) -> u128 { 1 }
24-
#[lang="i128_mul"]
25-
fn i128_mul(_x: i128, _y: i128) -> i128 { 2 }
26-
#[lang="u128_mul"]
27-
fn u128_mul(_x: u128, _y: u128) -> u128 { 2 }
28-
#[lang="i128_div"]
29-
fn i128_div(_x: i128, _y: i128) -> i128 { 3 }
30-
#[lang="u128_div"]
31-
fn u128_div(_x: u128, _y: u128) -> u128 { 4 }
32-
#[lang="i128_rem"]
33-
fn i128_rem(_x: i128, _y: i128) -> i128 { 5 }
34-
#[lang="u128_rem"]
35-
fn u128_rem(_x: u128, _y: u128) -> u128 { 6 }
36-
#[lang="i128_shl"]
37-
fn i128_shl(_x: i128, _y: u32) -> i128 { 7 }
38-
#[lang="u128_shl"]
39-
fn u128_shl(_x: u128, _y: u32) -> u128 { 7 }
40-
#[lang="i128_shr"]
41-
fn i128_shr(_x: i128, _y: u32) -> i128 { 8 }
42-
#[lang="u128_shr"]
43-
fn u128_shr(_x: u128, _y: u32) -> u128 { 9 }
44-
4516
fn test_signed(mut x: i128) -> i128 {
4617
x += 1;
4718
x -= 2;
@@ -65,44 +36,44 @@ fn test_unsigned(mut x: u128) -> u128 {
6536
}
6637

6738
fn main() {
68-
test_signed(-200);
69-
test_unsigned(200);
39+
assert_eq!(test_signed(-222), -1);
40+
assert_eq!(test_unsigned(200), 2);
7041
}
7142

7243
// END RUST SOURCE
7344

7445
// START rustc.test_signed.Lower128Bit.after.mir
75-
// _1 = const i128_add(_1, const 1i128) -> bb7;
46+
// _1 = const compiler_builtins::int::addsub::rust_i128_add(_1, const 1i128) -> bb7;
7647
// ...
77-
// _1 = const i128_div(_1, const 4i128) -> bb8;
48+
// _1 = const compiler_builtins::int::sdiv::rust_i128_div(_1, const 4i128) -> bb8;
7849
// ...
79-
// _1 = const i128_rem(_1, const 5i128) -> bb11;
50+
// _1 = const compiler_builtins::int::sdiv::rust_i128_rem(_1, const 5i128) -> bb11;
8051
// ...
81-
// _1 = const i128_mul(_1, const 3i128) -> bb5;
52+
// _1 = const compiler_builtins::int::mul::rust_i128_mul(_1, const 3i128) -> bb5;
8253
// ...
83-
// _1 = const i128_sub(_1, const 2i128) -> bb6;
54+
// _1 = const compiler_builtins::int::addsub::rust_i128_sub(_1, const 2i128) -> bb6;
8455
// ...
8556
// _11 = const 7i32 as u32 (Misc);
86-
// _1 = const i128_shr(_1, move _11) -> bb9;
57+
// _1 = const compiler_builtins::int::shift::rust_i128_shr(_1, move _11) -> bb9;
8758
// ...
8859
// _12 = const 6i32 as u32 (Misc);
89-
// _1 = const i128_shl(_1, move _12) -> bb10;
60+
// _1 = const compiler_builtins::int::shift::rust_i128_shl(_1, move _12) -> bb10;
9061
// END rustc.test_signed.Lower128Bit.after.mir
9162

9263
// START rustc.test_unsigned.Lower128Bit.after.mir
93-
// _1 = const u128_add(_1, const 1u128) -> bb5;
64+
// _1 = const compiler_builtins::int::addsub::rust_u128_add(_1, const 1u128) -> bb5;
9465
// ...
95-
// _1 = const u128_div(_1, const 4u128) -> bb6;
66+
// _1 = const compiler_builtins::int::udiv::rust_u128_div(_1, const 4u128) -> bb6;
9667
// ...
97-
// _1 = const u128_rem(_1, const 5u128) -> bb9;
68+
// _1 = const compiler_builtins::int::udiv::rust_u128_rem(_1, const 5u128) -> bb9;
9869
// ...
99-
// _1 = const u128_mul(_1, const 3u128) -> bb3;
70+
// _1 = const compiler_builtins::int::mul::rust_u128_mul(_1, const 3u128) -> bb3;
10071
// ...
101-
// _1 = const u128_sub(_1, const 2u128) -> bb4;
72+
// _1 = const compiler_builtins::int::addsub::rust_u128_sub(_1, const 2u128) -> bb4;
10273
// ...
10374
// _5 = const 7i32 as u32 (Misc);
104-
// _1 = const u128_shr(_1, move _5) -> bb7;
75+
// _1 = const compiler_builtins::int::shift::rust_u128_shr(_1, move _5) -> bb7;
10576
// ...
10677
// _6 = const 6i32 as u32 (Misc);
107-
// _1 = const u128_shl(_1, move _6) -> bb8;
78+
// _1 = const compiler_builtins::int::shift::rust_u128_shl(_1, move _6) -> bb8;
10879
// END rustc.test_unsigned.Lower128Bit.after.mir

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