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Completely remove tracking of references for now

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This commit is contained in:
Jannis Christopher Köhl 2022-11-09 18:03:30 +01:00
parent 3997893ccb
commit bfbca6c75c
28 changed files with 218 additions and 723 deletions
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28
src/test/mir-opt/dataflow-const-prop/cast.main.DataflowConstProp.diff
View file

@ -4,9 +4,8 @@
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/cast.rs:+0:11: +0:11
let _1: i32; // in scope 0 at $DIR/cast.rs:+1:9: +1:10
let mut _3: u8; // in scope 0 at $DIR/cast.rs:+2:13: +2:22
let mut _4: i32; // in scope 0 at $DIR/cast.rs:+2:13: +2:16
let mut _5: &i32; // in scope 0 at $DIR/cast.rs:+2:14: +2:16
let mut _3: u8; // in scope 0 at $DIR/cast.rs:+2:13: +2:20
let mut _4: i32; // in scope 0 at $DIR/cast.rs:+2:13: +2:14
scope 1 {
debug a => _1; // in scope 1 at $DIR/cast.rs:+1:9: +1:10
let _2: u8; // in scope 1 at $DIR/cast.rs:+2:9: +2:10
@ -19,19 +18,16 @@
StorageLive(_1); // scope 0 at $DIR/cast.rs:+1:9: +1:10
_1 = const 257_i32; // scope 0 at $DIR/cast.rs:+1:13: +1:16
StorageLive(_2); // scope 1 at $DIR/cast.rs:+2:9: +2:10
StorageLive(_3); // scope 1 at $DIR/cast.rs:+2:13: +2:22
StorageLive(_4); // scope 1 at $DIR/cast.rs:+2:13: +2:16
StorageLive(_5); // scope 1 at $DIR/cast.rs:+2:14: +2:16
_5 = &_1; // scope 1 at $DIR/cast.rs:+2:14: +2:16
- _4 = (*_5); // scope 1 at $DIR/cast.rs:+2:13: +2:16
- _3 = move _4 as u8 (IntToInt); // scope 1 at $DIR/cast.rs:+2:13: +2:22
+ _4 = const 257_i32; // scope 1 at $DIR/cast.rs:+2:13: +2:16
+ _3 = const 1_u8; // scope 1 at $DIR/cast.rs:+2:13: +2:22
StorageDead(_4); // scope 1 at $DIR/cast.rs:+2:21: +2:22
- _2 = Add(move _3, const 1_u8); // scope 1 at $DIR/cast.rs:+2:13: +2:26
+ _2 = const 2_u8; // scope 1 at $DIR/cast.rs:+2:13: +2:26
StorageDead(_3); // scope 1 at $DIR/cast.rs:+2:25: +2:26
StorageDead(_5); // scope 1 at $DIR/cast.rs:+2:26: +2:27
StorageLive(_3); // scope 1 at $DIR/cast.rs:+2:13: +2:20
StorageLive(_4); // scope 1 at $DIR/cast.rs:+2:13: +2:14
- _4 = _1; // scope 1 at $DIR/cast.rs:+2:13: +2:14
- _3 = move _4 as u8 (IntToInt); // scope 1 at $DIR/cast.rs:+2:13: +2:20
+ _4 = const 257_i32; // scope 1 at $DIR/cast.rs:+2:13: +2:14
+ _3 = const 1_u8; // scope 1 at $DIR/cast.rs:+2:13: +2:20
StorageDead(_4); // scope 1 at $DIR/cast.rs:+2:19: +2:20
- _2 = Add(move _3, const 1_u8); // scope 1 at $DIR/cast.rs:+2:13: +2:24
+ _2 = const 2_u8; // scope 1 at $DIR/cast.rs:+2:13: +2:24
StorageDead(_3); // scope 1 at $DIR/cast.rs:+2:23: +2:24
_0 = const (); // scope 0 at $DIR/cast.rs:+0:11: +3:2
StorageDead(_2); // scope 1 at $DIR/cast.rs:+3:1: +3:2
StorageDead(_1); // scope 0 at $DIR/cast.rs:+3:1: +3:2

3
src/test/mir-opt/dataflow-const-prop/cast.rs
View file

@ -1,8 +1,7 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR cast.main.DataflowConstProp.diff
fn main() {
let a = 257;
let b = *&a as u8 + 1;
let b = a as u8 + 1;
}

2
src/test/mir-opt/dataflow-const-prop/checked.rs
View file

@ -1,5 +1,5 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts -Coverflow-checks=on
// compile-flags: -Coverflow-checks=on
// EMIT_MIR checked.main.DataflowConstProp.diff
#[allow(arithmetic_overflow)]

134
src/test/mir-opt/dataflow-const-prop/if.main.DataflowConstProp.diff
View file

@ -4,29 +4,27 @@
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/if.rs:+0:11: +0:11
let _1: i32; // in scope 0 at $DIR/if.rs:+1:9: +1:10
let mut _3: bool; // in scope 0 at $DIR/if.rs:+2:16: +2:24
let mut _4: i32; // in scope 0 at $DIR/if.rs:+2:16: +2:19
let mut _5: &i32; // in scope 0 at $DIR/if.rs:+2:17: +2:19
let mut _7: i32; // in scope 0 at $DIR/if.rs:+3:13: +3:14
let mut _9: bool; // in scope 0 at $DIR/if.rs:+5:16: +5:24
let mut _10: i32; // in scope 0 at $DIR/if.rs:+5:16: +5:19
let mut _11: &i32; // in scope 0 at $DIR/if.rs:+5:17: +5:19
let mut _12: i32; // in scope 0 at $DIR/if.rs:+5:38: +5:39
let mut _14: i32; // in scope 0 at $DIR/if.rs:+6:13: +6:14
let mut _3: bool; // in scope 0 at $DIR/if.rs:+2:16: +2:22
let mut _4: i32; // in scope 0 at $DIR/if.rs:+2:16: +2:17
let mut _6: i32; // in scope 0 at $DIR/if.rs:+3:13: +3:14
let mut _8: bool; // in scope 0 at $DIR/if.rs:+5:16: +5:22
let mut _9: i32; // in scope 0 at $DIR/if.rs:+5:16: +5:17
let mut _10: i32; // in scope 0 at $DIR/if.rs:+5:36: +5:37
let mut _12: i32; // in scope 0 at $DIR/if.rs:+6:13: +6:14
scope 1 {
debug a => _1; // in scope 1 at $DIR/if.rs:+1:9: +1:10
let _2: i32; // in scope 1 at $DIR/if.rs:+2:9: +2:10
scope 2 {
debug b => _2; // in scope 2 at $DIR/if.rs:+2:9: +2:10
let _6: i32; // in scope 2 at $DIR/if.rs:+3:9: +3:10
let _5: i32; // in scope 2 at $DIR/if.rs:+3:9: +3:10
scope 3 {
debug c => _6; // in scope 3 at $DIR/if.rs:+3:9: +3:10
let _8: i32; // in scope 3 at $DIR/if.rs:+5:9: +5:10
debug c => _5; // in scope 3 at $DIR/if.rs:+3:9: +3:10
let _7: i32; // in scope 3 at $DIR/if.rs:+5:9: +5:10
scope 4 {
debug d => _8; // in scope 4 at $DIR/if.rs:+5:9: +5:10
let _13: i32; // in scope 4 at $DIR/if.rs:+6:9: +6:10
debug d => _7; // in scope 4 at $DIR/if.rs:+5:9: +5:10
let _11: i32; // in scope 4 at $DIR/if.rs:+6:9: +6:10
scope 5 {
debug e => _13; // in scope 5 at $DIR/if.rs:+6:9: +6:10
debug e => _11; // in scope 5 at $DIR/if.rs:+6:9: +6:10
}
}
}
@ -37,81 +35,75 @@
StorageLive(_1); // scope 0 at $DIR/if.rs:+1:9: +1:10
_1 = const 1_i32; // scope 0 at $DIR/if.rs:+1:13: +1:14
StorageLive(_2); // scope 1 at $DIR/if.rs:+2:9: +2:10
StorageLive(_3); // scope 1 at $DIR/if.rs:+2:16: +2:24
StorageLive(_4); // scope 1 at $DIR/if.rs:+2:16: +2:19
StorageLive(_5); // scope 1 at $DIR/if.rs:+2:17: +2:19
_5 = &_1; // scope 1 at $DIR/if.rs:+2:17: +2:19
- _4 = (*_5); // scope 1 at $DIR/if.rs:+2:16: +2:19
- _3 = Eq(move _4, const 1_i32); // scope 1 at $DIR/if.rs:+2:16: +2:24
+ _4 = const 1_i32; // scope 1 at $DIR/if.rs:+2:16: +2:19
+ _3 = const true; // scope 1 at $DIR/if.rs:+2:16: +2:24
StorageDead(_5); // scope 1 at $DIR/if.rs:+2:23: +2:24
StorageDead(_4); // scope 1 at $DIR/if.rs:+2:23: +2:24
- switchInt(move _3) -> [false: bb2, otherwise: bb1]; // scope 1 at $DIR/if.rs:+2:16: +2:24
+ switchInt(const true) -> [false: bb2, otherwise: bb1]; // scope 1 at $DIR/if.rs:+2:16: +2:24
StorageLive(_3); // scope 1 at $DIR/if.rs:+2:16: +2:22
StorageLive(_4); // scope 1 at $DIR/if.rs:+2:16: +2:17
- _4 = _1; // scope 1 at $DIR/if.rs:+2:16: +2:17
- _3 = Eq(move _4, const 1_i32); // scope 1 at $DIR/if.rs:+2:16: +2:22
+ _4 = const 1_i32; // scope 1 at $DIR/if.rs:+2:16: +2:17
+ _3 = const true; // scope 1 at $DIR/if.rs:+2:16: +2:22
StorageDead(_4); // scope 1 at $DIR/if.rs:+2:21: +2:22
- switchInt(move _3) -> [false: bb2, otherwise: bb1]; // scope 1 at $DIR/if.rs:+2:16: +2:22
+ switchInt(const true) -> [false: bb2, otherwise: bb1]; // scope 1 at $DIR/if.rs:+2:16: +2:22
}
bb1: {
_2 = const 2_i32; // scope 1 at $DIR/if.rs:+2:27: +2:28
goto -> bb3; // scope 1 at $DIR/if.rs:+2:13: +2:41
_2 = const 2_i32; // scope 1 at $DIR/if.rs:+2:25: +2:26
goto -> bb3; // scope 1 at $DIR/if.rs:+2:13: +2:39
}
bb2: {
_2 = const 3_i32; // scope 1 at $DIR/if.rs:+2:38: +2:39
goto -> bb3; // scope 1 at $DIR/if.rs:+2:13: +2:41
_2 = const 3_i32; // scope 1 at $DIR/if.rs:+2:36: +2:37
goto -> bb3; // scope 1 at $DIR/if.rs:+2:13: +2:39
}
bb3: {
StorageDead(_3); // scope 1 at $DIR/if.rs:+2:40: +2:41
StorageLive(_6); // scope 2 at $DIR/if.rs:+3:9: +3:10
StorageLive(_7); // scope 2 at $DIR/if.rs:+3:13: +3:14
- _7 = _2; // scope 2 at $DIR/if.rs:+3:13: +3:14
- _6 = Add(move _7, const 1_i32); // scope 2 at $DIR/if.rs:+3:13: +3:18
+ _7 = const 2_i32; // scope 2 at $DIR/if.rs:+3:13: +3:14
+ _6 = const 3_i32; // scope 2 at $DIR/if.rs:+3:13: +3:18
StorageDead(_7); // scope 2 at $DIR/if.rs:+3:17: +3:18
StorageLive(_8); // scope 3 at $DIR/if.rs:+5:9: +5:10
StorageLive(_9); // scope 3 at $DIR/if.rs:+5:16: +5:24
StorageLive(_10); // scope 3 at $DIR/if.rs:+5:16: +5:19
StorageLive(_11); // scope 3 at $DIR/if.rs:+5:17: +5:19
_11 = &_1; // scope 3 at $DIR/if.rs:+5:17: +5:19
- _10 = (*_11); // scope 3 at $DIR/if.rs:+5:16: +5:19
- _9 = Eq(move _10, const 1_i32); // scope 3 at $DIR/if.rs:+5:16: +5:24
+ _10 = const 1_i32; // scope 3 at $DIR/if.rs:+5:16: +5:19
+ _9 = const true; // scope 3 at $DIR/if.rs:+5:16: +5:24
StorageDead(_11); // scope 3 at $DIR/if.rs:+5:23: +5:24
StorageDead(_10); // scope 3 at $DIR/if.rs:+5:23: +5:24
- switchInt(move _9) -> [false: bb5, otherwise: bb4]; // scope 3 at $DIR/if.rs:+5:16: +5:24
+ switchInt(const true) -> [false: bb5, otherwise: bb4]; // scope 3 at $DIR/if.rs:+5:16: +5:24
StorageDead(_3); // scope 1 at $DIR/if.rs:+2:38: +2:39
StorageLive(_5); // scope 2 at $DIR/if.rs:+3:9: +3:10
StorageLive(_6); // scope 2 at $DIR/if.rs:+3:13: +3:14
- _6 = _2; // scope 2 at $DIR/if.rs:+3:13: +3:14
- _5 = Add(move _6, const 1_i32); // scope 2 at $DIR/if.rs:+3:13: +3:18
+ _6 = const 2_i32; // scope 2 at $DIR/if.rs:+3:13: +3:14
+ _5 = const 3_i32; // scope 2 at $DIR/if.rs:+3:13: +3:18
StorageDead(_6); // scope 2 at $DIR/if.rs:+3:17: +3:18
StorageLive(_7); // scope 3 at $DIR/if.rs:+5:9: +5:10
StorageLive(_8); // scope 3 at $DIR/if.rs:+5:16: +5:22
StorageLive(_9); // scope 3 at $DIR/if.rs:+5:16: +5:17
- _9 = _1; // scope 3 at $DIR/if.rs:+5:16: +5:17
- _8 = Eq(move _9, const 1_i32); // scope 3 at $DIR/if.rs:+5:16: +5:22
+ _9 = const 1_i32; // scope 3 at $DIR/if.rs:+5:16: +5:17
+ _8 = const true; // scope 3 at $DIR/if.rs:+5:16: +5:22
StorageDead(_9); // scope 3 at $DIR/if.rs:+5:21: +5:22
- switchInt(move _8) -> [false: bb5, otherwise: bb4]; // scope 3 at $DIR/if.rs:+5:16: +5:22
+ switchInt(const true) -> [false: bb5, otherwise: bb4]; // scope 3 at $DIR/if.rs:+5:16: +5:22
}
bb4: {
- _8 = _1; // scope 3 at $DIR/if.rs:+5:27: +5:28
+ _8 = const 1_i32; // scope 3 at $DIR/if.rs:+5:27: +5:28
goto -> bb6; // scope 3 at $DIR/if.rs:+5:13: +5:45
- _7 = _1; // scope 3 at $DIR/if.rs:+5:25: +5:26
+ _7 = const 1_i32; // scope 3 at $DIR/if.rs:+5:25: +5:26
goto -> bb6; // scope 3 at $DIR/if.rs:+5:13: +5:43
}
bb5: {
StorageLive(_12); // scope 3 at $DIR/if.rs:+5:38: +5:39
_12 = _1; // scope 3 at $DIR/if.rs:+5:38: +5:39
_8 = Add(move _12, const 1_i32); // scope 3 at $DIR/if.rs:+5:38: +5:43
StorageDead(_12); // scope 3 at $DIR/if.rs:+5:42: +5:43
goto -> bb6; // scope 3 at $DIR/if.rs:+5:13: +5:45
StorageLive(_10); // scope 3 at $DIR/if.rs:+5:36: +5:37
_10 = _1; // scope 3 at $DIR/if.rs:+5:36: +5:37
_7 = Add(move _10, const 1_i32); // scope 3 at $DIR/if.rs:+5:36: +5:41
StorageDead(_10); // scope 3 at $DIR/if.rs:+5:40: +5:41
goto -> bb6; // scope 3 at $DIR/if.rs:+5:13: +5:43
}
bb6: {
StorageDead(_9); // scope 3 at $DIR/if.rs:+5:44: +5:45
StorageLive(_13); // scope 4 at $DIR/if.rs:+6:9: +6:10
StorageLive(_14); // scope 4 at $DIR/if.rs:+6:13: +6:14
- _14 = _8; // scope 4 at $DIR/if.rs:+6:13: +6:14
- _13 = Add(move _14, const 1_i32); // scope 4 at $DIR/if.rs:+6:13: +6:18
+ _14 = const 1_i32; // scope 4 at $DIR/if.rs:+6:13: +6:14
+ _13 = const 2_i32; // scope 4 at $DIR/if.rs:+6:13: +6:18
StorageDead(_14); // scope 4 at $DIR/if.rs:+6:17: +6:18
StorageDead(_8); // scope 3 at $DIR/if.rs:+5:42: +5:43
StorageLive(_11); // scope 4 at $DIR/if.rs:+6:9: +6:10
StorageLive(_12); // scope 4 at $DIR/if.rs:+6:13: +6:14
- _12 = _7; // scope 4 at $DIR/if.rs:+6:13: +6:14
- _11 = Add(move _12, const 1_i32); // scope 4 at $DIR/if.rs:+6:13: +6:18
+ _12 = const 1_i32; // scope 4 at $DIR/if.rs:+6:13: +6:14
+ _11 = const 2_i32; // scope 4 at $DIR/if.rs:+6:13: +6:18
StorageDead(_12); // scope 4 at $DIR/if.rs:+6:17: +6:18
_0 = const (); // scope 0 at $DIR/if.rs:+0:11: +7:2
StorageDead(_13); // scope 4 at $DIR/if.rs:+7:1: +7:2
StorageDead(_8); // scope 3 at $DIR/if.rs:+7:1: +7:2
StorageDead(_6); // scope 2 at $DIR/if.rs:+7:1: +7:2
StorageDead(_11); // scope 4 at $DIR/if.rs:+7:1: +7:2
StorageDead(_7); // scope 3 at $DIR/if.rs:+7:1: +7:2
StorageDead(_5); // scope 2 at $DIR/if.rs:+7:1: +7:2
StorageDead(_2); // scope 1 at $DIR/if.rs:+7:1: +7:2
StorageDead(_1); // scope 0 at $DIR/if.rs:+7:1: +7:2
return; // scope 0 at $DIR/if.rs:+7:2: +7:2

5
src/test/mir-opt/dataflow-const-prop/if.rs
View file

@ -1,12 +1,11 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR if.main.DataflowConstProp.diff
fn main() {
let a = 1;
let b = if *&a == 1 { 2 } else { 3 };
let b = if a == 1 { 2 } else { 3 };
let c = b + 1;
let d = if *&a == 1 { a } else { a + 1 };
let d = if a == 1 { a } else { a + 1 };
let e = d + 1;
}

2
src/test/mir-opt/dataflow-const-prop/inherit_overflow.rs
View file

@ -1,4 +1,4 @@
// compile-flags: -Coverflow-checks=off -Zunsound-mir-opts
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR inherit_overflow.main.DataflowConstProp.diff
fn main() {

1
src/test/mir-opt/dataflow-const-prop/issue_81605.rs
View file

@ -1,5 +1,4 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR issue_81605.f.DataflowConstProp.diff
fn f() -> usize {

29
src/test/mir-opt/dataflow-const-prop/promoted.main.DataflowConstProp.diff
View file

@ -1,29 +0,0 @@
- // MIR for `main` before DataflowConstProp
+ // MIR for `main` after DataflowConstProp
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/promoted.rs:+0:11: +0:11
let _1: i32; // in scope 0 at $DIR/promoted.rs:+2:9: +2:10
let mut _2: &i32; // in scope 0 at $DIR/promoted.rs:+2:14: +2:17
let _3: i32; // in scope 0 at $DIR/promoted.rs:+2:15: +2:17
let mut _4: &i32; // in scope 0 at $DIR/promoted.rs:+2:14: +2:17
scope 1 {
debug a => _1; // in scope 1 at $DIR/promoted.rs:+2:9: +2:10
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/promoted.rs:+2:9: +2:10
StorageLive(_2); // scope 0 at $DIR/promoted.rs:+2:14: +2:17
_4 = const _; // scope 0 at $DIR/promoted.rs:+2:14: +2:17
// mir::Constant
// + span: $DIR/promoted.rs:7:14: 7:17
// + literal: Const { ty: &i32, val: Unevaluated(main, [], Some(promoted[0])) }
_2 = &(*_4); // scope 0 at $DIR/promoted.rs:+2:14: +2:17
_1 = (*_2); // scope 0 at $DIR/promoted.rs:+2:13: +2:17
StorageDead(_2); // scope 0 at $DIR/promoted.rs:+2:17: +2:18
_0 = const (); // scope 0 at $DIR/promoted.rs:+0:11: +3:2
StorageDead(_1); // scope 0 at $DIR/promoted.rs:+3:1: +3:2
return; // scope 0 at $DIR/promoted.rs:+3:2: +3:2
}
}

8
src/test/mir-opt/dataflow-const-prop/promoted.rs
View file

@ -1,8 +0,0 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR promoted.main.DataflowConstProp.diff
fn main() {
// This does not work because `&42` gets promoted.
let a = *&42;
}

89
src/test/mir-opt/dataflow-const-prop/ref.main.DataflowConstProp.diff
View file

@ -1,89 +0,0 @@
- // MIR for `main` before DataflowConstProp
+ // MIR for `main` after DataflowConstProp
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/ref.rs:+0:11: +0:11
let _1: i32; // in scope 0 at $DIR/ref.rs:+1:9: +1:10
let mut _4: bool; // in scope 0 at $DIR/ref.rs:+3:16: +3:43
let mut _5: u32; // in scope 0 at $DIR/ref.rs:+3:16: +3:38
let mut _6: u32; // in scope 0 at $DIR/ref.rs:+3:16: +3:34
let mut _7: bool; // in scope 0 at $DIR/ref.rs:+3:16: +3:38
let _8: &i32; // in scope 0 at $DIR/ref.rs:+3:58: +3:60
let mut _10: i32; // in scope 0 at $DIR/ref.rs:+4:13: +4:15
scope 1 {
debug a => _1; // in scope 1 at $DIR/ref.rs:+1:9: +1:10
let _2: i32; // in scope 1 at $DIR/ref.rs:+2:9: +2:10
scope 2 {
debug b => _2; // in scope 2 at $DIR/ref.rs:+2:9: +2:10
let _3: &i32; // in scope 2 at $DIR/ref.rs:+3:9: +3:10
scope 3 {
debug c => _3; // in scope 3 at $DIR/ref.rs:+3:9: +3:10
let _9: i32; // in scope 3 at $DIR/ref.rs:+4:9: +4:10
scope 4 {
debug d => _9; // in scope 4 at $DIR/ref.rs:+4:9: +4:10
}
}
}
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/ref.rs:+1:9: +1:10
_1 = const 0_i32; // scope 0 at $DIR/ref.rs:+1:13: +1:14
StorageLive(_2); // scope 1 at $DIR/ref.rs:+2:9: +2:10
_2 = const 0_i32; // scope 1 at $DIR/ref.rs:+2:13: +2:14
StorageLive(_3); // scope 2 at $DIR/ref.rs:+3:9: +3:10
StorageLive(_4); // scope 2 at $DIR/ref.rs:+3:16: +3:43
StorageLive(_5); // scope 2 at $DIR/ref.rs:+3:16: +3:38
StorageLive(_6); // scope 2 at $DIR/ref.rs:+3:16: +3:34
_6 = id() -> bb1; // scope 2 at $DIR/ref.rs:+3:16: +3:34
// mir::Constant
// + span: $DIR/ref.rs:8:16: 8:32
// + literal: Const { ty: fn() -> u32 {id}, val: Value(<ZST>) }
}
bb1: {
- _7 = Eq(const 2_u32, const 0_u32); // scope 2 at $DIR/ref.rs:+3:16: +3:38
- assert(!move _7, "attempt to calculate the remainder of `{}` with a divisor of zero", _6) -> bb2; // scope 2 at $DIR/ref.rs:+3:16: +3:38
+ _7 = const false; // scope 2 at $DIR/ref.rs:+3:16: +3:38
+ assert(!const false, "attempt to calculate the remainder of `{}` with a divisor of zero", _6) -> bb2; // scope 2 at $DIR/ref.rs:+3:16: +3:38
}
bb2: {
_5 = Rem(move _6, const 2_u32); // scope 2 at $DIR/ref.rs:+3:16: +3:38
StorageDead(_6); // scope 2 at $DIR/ref.rs:+3:37: +3:38
_4 = Eq(move _5, const 0_u32); // scope 2 at $DIR/ref.rs:+3:16: +3:43
StorageDead(_5); // scope 2 at $DIR/ref.rs:+3:42: +3:43
switchInt(move _4) -> [false: bb4, otherwise: bb3]; // scope 2 at $DIR/ref.rs:+3:16: +3:43
}
bb3: {
_3 = &_1; // scope 2 at $DIR/ref.rs:+3:46: +3:48
goto -> bb5; // scope 2 at $DIR/ref.rs:+3:13: +3:62
}
bb4: {
StorageLive(_8); // scope 2 at $DIR/ref.rs:+3:58: +3:60
_8 = &_2; // scope 2 at $DIR/ref.rs:+3:58: +3:60
_3 = &(*_8); // scope 2 at $DIR/ref.rs:+3:58: +3:60
StorageDead(_8); // scope 2 at $DIR/ref.rs:+3:61: +3:62
goto -> bb5; // scope 2 at $DIR/ref.rs:+3:13: +3:62
}
bb5: {
StorageDead(_4); // scope 2 at $DIR/ref.rs:+3:61: +3:62
StorageLive(_9); // scope 3 at $DIR/ref.rs:+4:9: +4:10
StorageLive(_10); // scope 3 at $DIR/ref.rs:+4:13: +4:15
- _10 = (*_3); // scope 3 at $DIR/ref.rs:+4:13: +4:15
- _9 = Add(move _10, const 1_i32); // scope 3 at $DIR/ref.rs:+4:13: +4:19
+ _10 = const 0_i32; // scope 3 at $DIR/ref.rs:+4:13: +4:15
+ _9 = const 1_i32; // scope 3 at $DIR/ref.rs:+4:13: +4:19
StorageDead(_10); // scope 3 at $DIR/ref.rs:+4:18: +4:19
_0 = const (); // scope 0 at $DIR/ref.rs:+0:11: +5:2
StorageDead(_9); // scope 3 at $DIR/ref.rs:+5:1: +5:2
StorageDead(_3); // scope 2 at $DIR/ref.rs:+5:1: +5:2
StorageDead(_2); // scope 1 at $DIR/ref.rs:+5:1: +5:2
StorageDead(_1); // scope 0 at $DIR/ref.rs:+5:1: +5:2
return; // scope 0 at $DIR/ref.rs:+5:2: +5:2
}
}

10
src/test/mir-opt/dataflow-const-prop/ref.rs
View file

@ -1,10 +0,0 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR ref.main.DataflowConstProp.diff
fn main() {
let a = 0;
let b = 0;
let c = if std::process::id() % 2 == 0 { &a } else { &b };
let d = *c + 1;
}

77
src/test/mir-opt/dataflow-const-prop/ref_mut.main.DataflowConstProp.diff
View file

@ -1,77 +0,0 @@
- // MIR for `main` before DataflowConstProp
+ // MIR for `main` after DataflowConstProp
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/ref_mut.rs:+0:11: +0:11
let mut _1: i32; // in scope 0 at $DIR/ref_mut.rs:+1:9: +1:14
let mut _7: &i32; // in scope 0 at $DIR/ref_mut.rs:+9:10: +9:12
let _8: &i32; // in scope 0 at $DIR/ref_mut.rs:+9:10: +9:12
let _9: i32; // in scope 0 at $DIR/ref_mut.rs:+9:11: +9:12
scope 1 {
debug a => _1; // in scope 1 at $DIR/ref_mut.rs:+1:9: +1:14
let _2: &mut i32; // in scope 1 at $DIR/ref_mut.rs:+2:9: +2:10
scope 2 {
debug b => _2; // in scope 2 at $DIR/ref_mut.rs:+2:9: +2:10
let _3: i32; // in scope 2 at $DIR/ref_mut.rs:+4:9: +4:10
scope 3 {
debug c => _3; // in scope 3 at $DIR/ref_mut.rs:+4:9: +4:10
let _4: i32; // in scope 3 at $DIR/ref_mut.rs:+6:9: +6:10
scope 4 {
debug d => _4; // in scope 4 at $DIR/ref_mut.rs:+6:9: +6:10
let mut _5: &i32; // in scope 4 at $DIR/ref_mut.rs:+7:9: +7:14
scope 5 {
debug e => _5; // in scope 5 at $DIR/ref_mut.rs:+7:9: +7:14
let _6: &mut &i32; // in scope 5 at $DIR/ref_mut.rs:+8:9: +8:10
scope 6 {
debug f => _6; // in scope 6 at $DIR/ref_mut.rs:+8:9: +8:10
let _10: i32; // in scope 6 at $DIR/ref_mut.rs:+10:9: +10:10
let mut _11: &i32; // in scope 6 at $DIR/ref_mut.rs:+9:10: +9:12
scope 7 {
debug g => _10; // in scope 7 at $DIR/ref_mut.rs:+10:9: +10:10
}
}
}
}
}
}
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/ref_mut.rs:+1:9: +1:14
_1 = const 0_i32; // scope 0 at $DIR/ref_mut.rs:+1:17: +1:18
StorageLive(_2); // scope 1 at $DIR/ref_mut.rs:+2:9: +2:10
_2 = &mut _1; // scope 1 at $DIR/ref_mut.rs:+2:13: +2:19
(*_2) = const 1_i32; // scope 2 at $DIR/ref_mut.rs:+3:5: +3:11
StorageLive(_3); // scope 2 at $DIR/ref_mut.rs:+4:9: +4:10
_3 = _1; // scope 2 at $DIR/ref_mut.rs:+4:13: +4:14
StorageLive(_4); // scope 3 at $DIR/ref_mut.rs:+6:9: +6:10
_4 = const 0_i32; // scope 3 at $DIR/ref_mut.rs:+6:13: +6:14
StorageLive(_5); // scope 4 at $DIR/ref_mut.rs:+7:9: +7:14
_5 = &_4; // scope 4 at $DIR/ref_mut.rs:+7:17: +7:19
StorageLive(_6); // scope 5 at $DIR/ref_mut.rs:+8:9: +8:10
_6 = &mut _5; // scope 5 at $DIR/ref_mut.rs:+8:13: +8:19
StorageLive(_7); // scope 6 at $DIR/ref_mut.rs:+9:10: +9:12
StorageLive(_8); // scope 6 at $DIR/ref_mut.rs:+9:10: +9:12
_11 = const _; // scope 6 at $DIR/ref_mut.rs:+9:10: +9:12
// mir::Constant
// + span: $DIR/ref_mut.rs:14:10: 14:12
// + literal: Const { ty: &i32, val: Unevaluated(main, [], Some(promoted[0])) }
_8 = &(*_11); // scope 6 at $DIR/ref_mut.rs:+9:10: +9:12
_7 = &(*_8); // scope 6 at $DIR/ref_mut.rs:+9:10: +9:12
(*_6) = move _7; // scope 6 at $DIR/ref_mut.rs:+9:5: +9:12
StorageDead(_7); // scope 6 at $DIR/ref_mut.rs:+9:11: +9:12
StorageDead(_8); // scope 6 at $DIR/ref_mut.rs:+9:12: +9:13
StorageLive(_10); // scope 6 at $DIR/ref_mut.rs:+10:9: +10:10
_10 = (*_5); // scope 6 at $DIR/ref_mut.rs:+10:13: +10:15
_0 = const (); // scope 0 at $DIR/ref_mut.rs:+0:11: +11:2
StorageDead(_10); // scope 6 at $DIR/ref_mut.rs:+11:1: +11:2
StorageDead(_6); // scope 5 at $DIR/ref_mut.rs:+11:1: +11:2
StorageDead(_5); // scope 4 at $DIR/ref_mut.rs:+11:1: +11:2
StorageDead(_4); // scope 3 at $DIR/ref_mut.rs:+11:1: +11:2
StorageDead(_3); // scope 2 at $DIR/ref_mut.rs:+11:1: +11:2
StorageDead(_2); // scope 1 at $DIR/ref_mut.rs:+11:1: +11:2
StorageDead(_1); // scope 0 at $DIR/ref_mut.rs:+11:1: +11:2
return; // scope 0 at $DIR/ref_mut.rs:+11:2: +11:2
}
}

16
src/test/mir-opt/dataflow-const-prop/ref_mut.rs
View file

@ -1,16 +0,0 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR ref_mut.main.DataflowConstProp.diff
fn main() {
let mut a = 0;
let b = &mut a;
*b = 1;
let c = a;
let d = 0;
let mut e = &d;
let f = &mut e;
*f = &1;
let g = *e;
}

56
src/test/mir-opt/dataflow-const-prop/ref_with_sb.main.DataflowConstProp.diff
View file

@ -1,56 +0,0 @@
- // MIR for `main` before DataflowConstProp
+ // MIR for `main` after DataflowConstProp
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/ref_with_sb.rs:+0:11: +0:11
let mut _1: i32; // in scope 0 at $DIR/ref_with_sb.rs:+1:9: +1:14
let _2: (); // in scope 0 at $DIR/ref_with_sb.rs:+2:5: +2:15
let mut _3: &i32; // in scope 0 at $DIR/ref_with_sb.rs:+2:12: +2:14
let _4: &i32; // in scope 0 at $DIR/ref_with_sb.rs:+2:12: +2:14
let _5: (); // in scope 0 at $DIR/ref_with_sb.rs:+4:5: +4:20
scope 1 {
debug a => _1; // in scope 1 at $DIR/ref_with_sb.rs:+1:9: +1:14
let _6: i32; // in scope 1 at $DIR/ref_with_sb.rs:+7:9: +7:10
scope 2 {
debug b => _6; // in scope 2 at $DIR/ref_with_sb.rs:+7:9: +7:10
}
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/ref_with_sb.rs:+1:9: +1:14
_1 = const 0_i32; // scope 0 at $DIR/ref_with_sb.rs:+1:17: +1:18
StorageLive(_2); // scope 1 at $DIR/ref_with_sb.rs:+2:5: +2:15
StorageLive(_3); // scope 1 at $DIR/ref_with_sb.rs:+2:12: +2:14
StorageLive(_4); // scope 1 at $DIR/ref_with_sb.rs:+2:12: +2:14
_4 = &_1; // scope 1 at $DIR/ref_with_sb.rs:+2:12: +2:14
_3 = &(*_4); // scope 1 at $DIR/ref_with_sb.rs:+2:12: +2:14
_2 = escape::<i32>(move _3) -> bb1; // scope 1 at $DIR/ref_with_sb.rs:+2:5: +2:15
// mir::Constant
// + span: $DIR/ref_with_sb.rs:13:5: 13:11
// + literal: Const { ty: for<'a> fn(&'a i32) {escape::<i32>}, val: Value(<ZST>) }
}
bb1: {
StorageDead(_3); // scope 1 at $DIR/ref_with_sb.rs:+2:14: +2:15
StorageDead(_4); // scope 1 at $DIR/ref_with_sb.rs:+2:15: +2:16
StorageDead(_2); // scope 1 at $DIR/ref_with_sb.rs:+2:15: +2:16
_1 = const 1_i32; // scope 1 at $DIR/ref_with_sb.rs:+3:5: +3:10
StorageLive(_5); // scope 1 at $DIR/ref_with_sb.rs:+4:5: +4:20
_5 = some_function() -> bb2; // scope 1 at $DIR/ref_with_sb.rs:+4:5: +4:20
// mir::Constant
// + span: $DIR/ref_with_sb.rs:15:5: 15:18
// + literal: Const { ty: fn() {some_function}, val: Value(<ZST>) }
}
bb2: {
StorageDead(_5); // scope 1 at $DIR/ref_with_sb.rs:+4:20: +4:21
StorageLive(_6); // scope 1 at $DIR/ref_with_sb.rs:+7:9: +7:10
- _6 = _1; // scope 1 at $DIR/ref_with_sb.rs:+7:13: +7:14
+ _6 = const 1_i32; // scope 1 at $DIR/ref_with_sb.rs:+7:13: +7:14
_0 = const (); // scope 0 at $DIR/ref_with_sb.rs:+0:11: +8:2
StorageDead(_6); // scope 1 at $DIR/ref_with_sb.rs:+8:1: +8:2
StorageDead(_1); // scope 0 at $DIR/ref_with_sb.rs:+8:1: +8:2
return; // scope 0 at $DIR/ref_with_sb.rs:+8:2: +8:2
}
}

19
src/test/mir-opt/dataflow-const-prop/ref_with_sb.rs
View file

@ -1,19 +0,0 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
#[inline(never)]
fn escape<T>(x: &T) {}
#[inline(never)]
fn some_function() {}
// EMIT_MIR ref_with_sb.main.DataflowConstProp.diff
fn main() {
let mut a = 0;
escape(&a);
a = 1;
some_function();
// With `-Zunsound-mir-opt`, this should be propagated
// (because we assume Stacked Borrows).
let b = a;
}

16
src/test/mir-opt/dataflow-const-prop/ref_without_sb.main.DataflowConstProp.diff
View file

@ -10,9 +10,9 @@
let _5: (); // in scope 0 at $DIR/ref_without_sb.rs:+4:5: +4:20
scope 1 {
debug a => _1; // in scope 1 at $DIR/ref_without_sb.rs:+1:9: +1:14
let _6: i32; // in scope 1 at $DIR/ref_without_sb.rs:+7:9: +7:10
let _6: i32; // in scope 1 at $DIR/ref_without_sb.rs:+6:9: +6:10
scope 2 {
debug b => _6; // in scope 2 at $DIR/ref_without_sb.rs:+7:9: +7:10
debug b => _6; // in scope 2 at $DIR/ref_without_sb.rs:+6:9: +6:10
}
}
@ -44,12 +44,12 @@
bb2: {
StorageDead(_5); // scope 1 at $DIR/ref_without_sb.rs:+4:20: +4:21
StorageLive(_6); // scope 1 at $DIR/ref_without_sb.rs:+7:9: +7:10
_6 = _1; // scope 1 at $DIR/ref_without_sb.rs:+7:13: +7:14
_0 = const (); // scope 0 at $DIR/ref_without_sb.rs:+0:11: +8:2
StorageDead(_6); // scope 1 at $DIR/ref_without_sb.rs:+8:1: +8:2
StorageDead(_1); // scope 0 at $DIR/ref_without_sb.rs:+8:1: +8:2
return; // scope 0 at $DIR/ref_without_sb.rs:+8:2: +8:2
StorageLive(_6); // scope 1 at $DIR/ref_without_sb.rs:+6:9: +6:10
_6 = _1; // scope 1 at $DIR/ref_without_sb.rs:+6:13: +6:14
_0 = const (); // scope 0 at $DIR/ref_without_sb.rs:+0:11: +7:2
StorageDead(_6); // scope 1 at $DIR/ref_without_sb.rs:+7:1: +7:2
StorageDead(_1); // scope 0 at $DIR/ref_without_sb.rs:+7:1: +7:2
return; // scope 0 at $DIR/ref_without_sb.rs:+7:2: +7:2
}
}

3
src/test/mir-opt/dataflow-const-prop/ref_without_sb.rs
View file

@ -12,7 +12,6 @@ fn main() {
escape(&a);
a = 1;
some_function();
// Without `-Zunsound-mir-opt`, this should not be propagated
// (because we do not assume Stacked Borrows).
// This should currently not be propagated.
let b = a;
}

18
src/test/mir-opt/dataflow-const-prop/self_assign.main.DataflowConstProp.diff
View file

@ -20,16 +20,12 @@
StorageLive(_1); // scope 0 at $DIR/self_assign.rs:+1:9: +1:14
_1 = const 0_i32; // scope 0 at $DIR/self_assign.rs:+1:17: +1:18
StorageLive(_2); // scope 1 at $DIR/self_assign.rs:+2:9: +2:10
- _2 = _1; // scope 1 at $DIR/self_assign.rs:+2:9: +2:10
- _1 = Add(move _2, const 1_i32); // scope 1 at $DIR/self_assign.rs:+2:5: +2:14
+ _2 = const 0_i32; // scope 1 at $DIR/self_assign.rs:+2:9: +2:10
+ _1 = const 1_i32; // scope 1 at $DIR/self_assign.rs:+2:5: +2:14
_2 = _1; // scope 1 at $DIR/self_assign.rs:+2:9: +2:10
_1 = Add(move _2, const 1_i32); // scope 1 at $DIR/self_assign.rs:+2:5: +2:14
StorageDead(_2); // scope 1 at $DIR/self_assign.rs:+2:13: +2:14
StorageLive(_3); // scope 1 at $DIR/self_assign.rs:+3:9: +3:10
- _3 = _1; // scope 1 at $DIR/self_assign.rs:+3:9: +3:10
- _1 = move _3; // scope 1 at $DIR/self_assign.rs:+3:5: +3:10
+ _3 = const 1_i32; // scope 1 at $DIR/self_assign.rs:+3:9: +3:10
+ _1 = const 1_i32; // scope 1 at $DIR/self_assign.rs:+3:5: +3:10
_3 = _1; // scope 1 at $DIR/self_assign.rs:+3:9: +3:10
_1 = move _3; // scope 1 at $DIR/self_assign.rs:+3:5: +3:10
StorageDead(_3); // scope 1 at $DIR/self_assign.rs:+3:9: +3:10
StorageLive(_4); // scope 1 at $DIR/self_assign.rs:+5:9: +5:14
_4 = &_1; // scope 1 at $DIR/self_assign.rs:+5:17: +5:19
@ -38,10 +34,8 @@
_4 = move _5; // scope 2 at $DIR/self_assign.rs:+6:5: +6:10
StorageDead(_5); // scope 2 at $DIR/self_assign.rs:+6:9: +6:10
StorageLive(_6); // scope 2 at $DIR/self_assign.rs:+7:9: +7:11
- _6 = (*_4); // scope 2 at $DIR/self_assign.rs:+7:9: +7:11
- _1 = move _6; // scope 2 at $DIR/self_assign.rs:+7:5: +7:11
+ _6 = const 1_i32; // scope 2 at $DIR/self_assign.rs:+7:9: +7:11
+ _1 = const 1_i32; // scope 2 at $DIR/self_assign.rs:+7:5: +7:11
_6 = (*_4); // scope 2 at $DIR/self_assign.rs:+7:9: +7:11
_1 = move _6; // scope 2 at $DIR/self_assign.rs:+7:5: +7:11
StorageDead(_6); // scope 2 at $DIR/self_assign.rs:+7:10: +7:11
_0 = const (); // scope 0 at $DIR/self_assign.rs:+0:11: +8:2
StorageDead(_4); // scope 1 at $DIR/self_assign.rs:+8:1: +8:2

1
src/test/mir-opt/dataflow-const-prop/self_assign.rs
View file

@ -1,5 +1,4 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR self_assign.main.DataflowConstProp.diff
fn main() {

1
src/test/mir-opt/dataflow-const-prop/self_assign_add.rs
View file

@ -1,5 +1,4 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR self_assign_add.main.DataflowConstProp.diff
fn main() {

53
src/test/mir-opt/dataflow-const-prop/static_ref.main.DataflowConstProp.diff
View file

@ -1,53 +0,0 @@
- // MIR for `main` before DataflowConstProp
+ // MIR for `main` after DataflowConstProp
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/static_ref.rs:+0:11: +0:11
let _1: i32; // in scope 0 at $DIR/static_ref.rs:+3:9: +3:10
let mut _3: &i32; // in scope 0 at $DIR/static_ref.rs:+5:9: +5:11
let _4: &i32; // in scope 0 at $DIR/static_ref.rs:+5:9: +5:11
let _5: &i32; // in scope 0 at $DIR/static_ref.rs:+5:10: +5:11
scope 1 {
debug x => _1; // in scope 1 at $DIR/static_ref.rs:+3:9: +3:10
let mut _2: &i32; // in scope 1 at $DIR/static_ref.rs:+4:9: +4:14
scope 2 {
debug r => _2; // in scope 2 at $DIR/static_ref.rs:+4:9: +4:14
let _6: i32; // in scope 2 at $DIR/static_ref.rs:+6:9: +6:10
scope 3 {
debug y => _6; // in scope 3 at $DIR/static_ref.rs:+6:9: +6:10
}
}
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/static_ref.rs:+3:9: +3:10
_1 = const 0_i32; // scope 0 at $DIR/static_ref.rs:+3:13: +3:14
StorageLive(_2); // scope 1 at $DIR/static_ref.rs:+4:9: +4:14
_2 = &_1; // scope 1 at $DIR/static_ref.rs:+4:17: +4:19
StorageLive(_3); // scope 2 at $DIR/static_ref.rs:+5:9: +5:11
StorageLive(_4); // scope 2 at $DIR/static_ref.rs:+5:9: +5:11
StorageLive(_5); // scope 2 at $DIR/static_ref.rs:+5:10: +5:11
_5 = const {alloc1: &i32}; // scope 2 at $DIR/static_ref.rs:+5:10: +5:11
// mir::Constant
// + span: $DIR/static_ref.rs:10:10: 10:11
// + literal: Const { ty: &i32, val: Value(Scalar(alloc1)) }
_4 = &(*_5); // scope 2 at $DIR/static_ref.rs:+5:9: +5:11
_3 = &(*_4); // scope 2 at $DIR/static_ref.rs:+5:9: +5:11
_2 = move _3; // scope 2 at $DIR/static_ref.rs:+5:5: +5:11
StorageDead(_3); // scope 2 at $DIR/static_ref.rs:+5:10: +5:11
StorageDead(_5); // scope 2 at $DIR/static_ref.rs:+5:11: +5:12
StorageDead(_4); // scope 2 at $DIR/static_ref.rs:+5:11: +5:12
StorageLive(_6); // scope 2 at $DIR/static_ref.rs:+6:9: +6:10
_6 = (*_2); // scope 2 at $DIR/static_ref.rs:+6:13: +6:15
_0 = const (); // scope 0 at $DIR/static_ref.rs:+0:11: +7:2
StorageDead(_6); // scope 2 at $DIR/static_ref.rs:+7:1: +7:2
StorageDead(_2); // scope 1 at $DIR/static_ref.rs:+7:1: +7:2
StorageDead(_1); // scope 0 at $DIR/static_ref.rs:+7:1: +7:2
return; // scope 0 at $DIR/static_ref.rs:+7:2: +7:2
}
}
alloc1 (static: P, size: 4, align: 4) {
05 00 00 00 │ ....
}

12
src/test/mir-opt/dataflow-const-prop/static_ref.rs
View file

@ -1,12 +0,0 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR static_ref.main.DataflowConstProp.diff
fn main() {
// Currently, this will not propagate.
static P: i32 = 5;
let x = 0;
let mut r = &x;
r = &P;
let y = *r;
}

36
src/test/mir-opt/dataflow-const-prop/terminator.main.DataflowConstProp.diff
View file

@ -4,9 +4,9 @@
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/terminator.rs:+0:11: +0:11
let _1: i32; // in scope 0 at $DIR/terminator.rs:+1:9: +1:10
let _2: (); // in scope 0 at $DIR/terminator.rs:+2:5: +2:15
let mut _3: i32; // in scope 0 at $DIR/terminator.rs:+2:9: +2:14
let mut _4: i32; // in scope 0 at $DIR/terminator.rs:+2:9: +2:10
let _2: (); // in scope 0 at $DIR/terminator.rs:+3:5: +3:15
let mut _3: i32; // in scope 0 at $DIR/terminator.rs:+3:9: +3:14
let mut _4: i32; // in scope 0 at $DIR/terminator.rs:+3:9: +3:10
scope 1 {
debug a => _1; // in scope 1 at $DIR/terminator.rs:+1:9: +1:10
}
@ -14,27 +14,27 @@
bb0: {
StorageLive(_1); // scope 0 at $DIR/terminator.rs:+1:9: +1:10
_1 = const 1_i32; // scope 0 at $DIR/terminator.rs:+1:13: +1:14
StorageLive(_2); // scope 1 at $DIR/terminator.rs:+2:5: +2:15
StorageLive(_3); // scope 1 at $DIR/terminator.rs:+2:9: +2:14
StorageLive(_4); // scope 1 at $DIR/terminator.rs:+2:9: +2:10
- _4 = _1; // scope 1 at $DIR/terminator.rs:+2:9: +2:10
- _3 = Add(move _4, const 1_i32); // scope 1 at $DIR/terminator.rs:+2:9: +2:14
+ _4 = const 1_i32; // scope 1 at $DIR/terminator.rs:+2:9: +2:10
+ _3 = const 2_i32; // scope 1 at $DIR/terminator.rs:+2:9: +2:14
StorageDead(_4); // scope 1 at $DIR/terminator.rs:+2:13: +2:14
- _2 = foo(move _3) -> bb1; // scope 1 at $DIR/terminator.rs:+2:5: +2:15
+ _2 = foo(const 2_i32) -> bb1; // scope 1 at $DIR/terminator.rs:+2:5: +2:15
StorageLive(_2); // scope 1 at $DIR/terminator.rs:+3:5: +3:15
StorageLive(_3); // scope 1 at $DIR/terminator.rs:+3:9: +3:14
StorageLive(_4); // scope 1 at $DIR/terminator.rs:+3:9: +3:10
- _4 = _1; // scope 1 at $DIR/terminator.rs:+3:9: +3:10
- _3 = Add(move _4, const 1_i32); // scope 1 at $DIR/terminator.rs:+3:9: +3:14
+ _4 = const 1_i32; // scope 1 at $DIR/terminator.rs:+3:9: +3:10
+ _3 = const 2_i32; // scope 1 at $DIR/terminator.rs:+3:9: +3:14
StorageDead(_4); // scope 1 at $DIR/terminator.rs:+3:13: +3:14
- _2 = foo(move _3) -> bb1; // scope 1 at $DIR/terminator.rs:+3:5: +3:15
+ _2 = foo(const 2_i32) -> bb1; // scope 1 at $DIR/terminator.rs:+3:5: +3:15
// mir::Constant
// + span: $DIR/terminator.rs:9:5: 9:8
// + literal: Const { ty: fn(i32) {foo}, val: Value(<ZST>) }
}
bb1: {
StorageDead(_3); // scope 1 at $DIR/terminator.rs:+2:14: +2:15
StorageDead(_2); // scope 1 at $DIR/terminator.rs:+2:15: +2:16
_0 = const (); // scope 0 at $DIR/terminator.rs:+0:11: +3:2
StorageDead(_1); // scope 0 at $DIR/terminator.rs:+3:1: +3:2
return; // scope 0 at $DIR/terminator.rs:+3:2: +3:2
StorageDead(_3); // scope 1 at $DIR/terminator.rs:+3:14: +3:15
StorageDead(_2); // scope 1 at $DIR/terminator.rs:+3:15: +3:16
_0 = const (); // scope 0 at $DIR/terminator.rs:+0:11: +4:2
StorageDead(_1); // scope 0 at $DIR/terminator.rs:+4:1: +4:2
return; // scope 0 at $DIR/terminator.rs:+4:2: +4:2
}
}

2
src/test/mir-opt/dataflow-const-prop/terminator.rs
View file

@ -1,10 +1,10 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
fn foo(n: i32) {}
// EMIT_MIR terminator.main.DataflowConstProp.diff
fn main() {
let a = 1;
// Checks that we propagate into terminators.
foo(a + 1);
}

117
src/test/mir-opt/dataflow-const-prop/tuple.main.DataflowConstProp.diff
View file

@ -4,26 +4,21 @@
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/tuple.rs:+0:11: +0:11
let mut _1: (i32, i32); // in scope 0 at $DIR/tuple.rs:+1:9: +1:14
let mut _4: i32; // in scope 0 at $DIR/tuple.rs:+3:13: +3:22
let mut _5: i32; // in scope 0 at $DIR/tuple.rs:+3:13: +3:16
let mut _6: i32; // in scope 0 at $DIR/tuple.rs:+3:19: +3:22
let mut _7: &(i32, i32); // in scope 0 at $DIR/tuple.rs:+5:9: +5:11
let _8: &(i32, i32); // in scope 0 at $DIR/tuple.rs:+5:9: +5:11
let mut _10: i32; // in scope 0 at $DIR/tuple.rs:+6:13: +6:22
let mut _11: i32; // in scope 0 at $DIR/tuple.rs:+6:13: +6:16
let mut _12: i32; // in scope 0 at $DIR/tuple.rs:+6:19: +6:22
let mut _3: i32; // in scope 0 at $DIR/tuple.rs:+2:13: +2:22
let mut _4: i32; // in scope 0 at $DIR/tuple.rs:+2:13: +2:16
let mut _5: i32; // in scope 0 at $DIR/tuple.rs:+2:19: +2:22
let mut _7: i32; // in scope 0 at $DIR/tuple.rs:+4:13: +4:22
let mut _8: i32; // in scope 0 at $DIR/tuple.rs:+4:13: +4:16
let mut _9: i32; // in scope 0 at $DIR/tuple.rs:+4:19: +4:22
let mut _10: i32; // in scope 0 at $DIR/tuple.rs:+4:25: +4:26
scope 1 {
debug a => _1; // in scope 1 at $DIR/tuple.rs:+1:9: +1:14
let mut _2: &(i32, i32); // in scope 1 at $DIR/tuple.rs:+2:9: +2:14
let _2: i32; // in scope 1 at $DIR/tuple.rs:+2:9: +2:10
scope 2 {
debug b => _2; // in scope 2 at $DIR/tuple.rs:+2:9: +2:14
let _3: i32; // in scope 2 at $DIR/tuple.rs:+3:9: +3:10
debug b => _2; // in scope 2 at $DIR/tuple.rs:+2:9: +2:10
let _6: i32; // in scope 2 at $DIR/tuple.rs:+4:9: +4:10
scope 3 {
debug c => _3; // in scope 3 at $DIR/tuple.rs:+3:9: +3:10
let _9: i32; // in scope 3 at $DIR/tuple.rs:+6:9: +6:10
scope 4 {
debug d => _9; // in scope 4 at $DIR/tuple.rs:+6:9: +6:10
}
debug c => _6; // in scope 3 at $DIR/tuple.rs:+4:9: +4:10
}
}
}
@ -33,54 +28,48 @@
Deinit(_1); // scope 0 at $DIR/tuple.rs:+1:17: +1:23
(_1.0: i32) = const 1_i32; // scope 0 at $DIR/tuple.rs:+1:17: +1:23
(_1.1: i32) = const 2_i32; // scope 0 at $DIR/tuple.rs:+1:17: +1:23
StorageLive(_2); // scope 1 at $DIR/tuple.rs:+2:9: +2:14
_2 = &_1; // scope 1 at $DIR/tuple.rs:+2:17: +2:19
StorageLive(_3); // scope 2 at $DIR/tuple.rs:+3:9: +3:10
StorageLive(_4); // scope 2 at $DIR/tuple.rs:+3:13: +3:22
StorageLive(_5); // scope 2 at $DIR/tuple.rs:+3:13: +3:16
- _5 = (_1.0: i32); // scope 2 at $DIR/tuple.rs:+3:13: +3:16
+ _5 = const 1_i32; // scope 2 at $DIR/tuple.rs:+3:13: +3:16
StorageLive(_6); // scope 2 at $DIR/tuple.rs:+3:19: +3:22
- _6 = ((*_2).1: i32); // scope 2 at $DIR/tuple.rs:+3:19: +3:22
- _4 = Add(move _5, move _6); // scope 2 at $DIR/tuple.rs:+3:13: +3:22
+ _6 = const 2_i32; // scope 2 at $DIR/tuple.rs:+3:19: +3:22
+ _4 = const 3_i32; // scope 2 at $DIR/tuple.rs:+3:13: +3:22
StorageDead(_6); // scope 2 at $DIR/tuple.rs:+3:21: +3:22
StorageDead(_5); // scope 2 at $DIR/tuple.rs:+3:21: +3:22
- _3 = Add(move _4, const 3_i32); // scope 2 at $DIR/tuple.rs:+3:13: +3:26
+ _3 = const 6_i32; // scope 2 at $DIR/tuple.rs:+3:13: +3:26
StorageDead(_4); // scope 2 at $DIR/tuple.rs:+3:25: +3:26
Deinit(_1); // scope 3 at $DIR/tuple.rs:+4:5: +4:15
(_1.0: i32) = const 2_i32; // scope 3 at $DIR/tuple.rs:+4:5: +4:15
(_1.1: i32) = const 3_i32; // scope 3 at $DIR/tuple.rs:+4:5: +4:15
StorageLive(_7); // scope 3 at $DIR/tuple.rs:+5:9: +5:11
StorageLive(_8); // scope 3 at $DIR/tuple.rs:+5:9: +5:11
_8 = &_1; // scope 3 at $DIR/tuple.rs:+5:9: +5:11
_7 = &(*_8); // scope 3 at $DIR/tuple.rs:+5:9: +5:11
_2 = move _7; // scope 3 at $DIR/tuple.rs:+5:5: +5:11
StorageDead(_7); // scope 3 at $DIR/tuple.rs:+5:10: +5:11
StorageDead(_8); // scope 3 at $DIR/tuple.rs:+5:11: +5:12
StorageLive(_9); // scope 3 at $DIR/tuple.rs:+6:9: +6:10
StorageLive(_10); // scope 3 at $DIR/tuple.rs:+6:13: +6:22
StorageLive(_11); // scope 3 at $DIR/tuple.rs:+6:13: +6:16
- _11 = (_1.0: i32); // scope 3 at $DIR/tuple.rs:+6:13: +6:16
+ _11 = const 2_i32; // scope 3 at $DIR/tuple.rs:+6:13: +6:16
StorageLive(_12); // scope 3 at $DIR/tuple.rs:+6:19: +6:22
- _12 = ((*_2).1: i32); // scope 3 at $DIR/tuple.rs:+6:19: +6:22
- _10 = Add(move _11, move _12); // scope 3 at $DIR/tuple.rs:+6:13: +6:22
+ _12 = const 3_i32; // scope 3 at $DIR/tuple.rs:+6:19: +6:22
+ _10 = const 5_i32; // scope 3 at $DIR/tuple.rs:+6:13: +6:22
StorageDead(_12); // scope 3 at $DIR/tuple.rs:+6:21: +6:22
StorageDead(_11); // scope 3 at $DIR/tuple.rs:+6:21: +6:22
- _9 = Add(move _10, const 4_i32); // scope 3 at $DIR/tuple.rs:+6:13: +6:26
+ _9 = const 9_i32; // scope 3 at $DIR/tuple.rs:+6:13: +6:26
StorageDead(_10); // scope 3 at $DIR/tuple.rs:+6:25: +6:26
_0 = const (); // scope 0 at $DIR/tuple.rs:+0:11: +7:2
StorageDead(_9); // scope 3 at $DIR/tuple.rs:+7:1: +7:2
StorageDead(_3); // scope 2 at $DIR/tuple.rs:+7:1: +7:2
StorageDead(_2); // scope 1 at $DIR/tuple.rs:+7:1: +7:2
StorageDead(_1); // scope 0 at $DIR/tuple.rs:+7:1: +7:2
return; // scope 0 at $DIR/tuple.rs:+7:2: +7:2
StorageLive(_2); // scope 1 at $DIR/tuple.rs:+2:9: +2:10
StorageLive(_3); // scope 1 at $DIR/tuple.rs:+2:13: +2:22
StorageLive(_4); // scope 1 at $DIR/tuple.rs:+2:13: +2:16
- _4 = (_1.0: i32); // scope 1 at $DIR/tuple.rs:+2:13: +2:16
+ _4 = const 1_i32; // scope 1 at $DIR/tuple.rs:+2:13: +2:16
StorageLive(_5); // scope 1 at $DIR/tuple.rs:+2:19: +2:22
- _5 = (_1.1: i32); // scope 1 at $DIR/tuple.rs:+2:19: +2:22
- _3 = Add(move _4, move _5); // scope 1 at $DIR/tuple.rs:+2:13: +2:22
+ _5 = const 2_i32; // scope 1 at $DIR/tuple.rs:+2:19: +2:22
+ _3 = const 3_i32; // scope 1 at $DIR/tuple.rs:+2:13: +2:22
StorageDead(_5); // scope 1 at $DIR/tuple.rs:+2:21: +2:22
StorageDead(_4); // scope 1 at $DIR/tuple.rs:+2:21: +2:22
- _2 = Add(move _3, const 3_i32); // scope 1 at $DIR/tuple.rs:+2:13: +2:26
+ _2 = const 6_i32; // scope 1 at $DIR/tuple.rs:+2:13: +2:26
StorageDead(_3); // scope 1 at $DIR/tuple.rs:+2:25: +2:26
Deinit(_1); // scope 2 at $DIR/tuple.rs:+3:5: +3:15
(_1.0: i32) = const 2_i32; // scope 2 at $DIR/tuple.rs:+3:5: +3:15
(_1.1: i32) = const 3_i32; // scope 2 at $DIR/tuple.rs:+3:5: +3:15
StorageLive(_6); // scope 2 at $DIR/tuple.rs:+4:9: +4:10
StorageLive(_7); // scope 2 at $DIR/tuple.rs:+4:13: +4:22
StorageLive(_8); // scope 2 at $DIR/tuple.rs:+4:13: +4:16
- _8 = (_1.0: i32); // scope 2 at $DIR/tuple.rs:+4:13: +4:16
+ _8 = const 2_i32; // scope 2 at $DIR/tuple.rs:+4:13: +4:16
StorageLive(_9); // scope 2 at $DIR/tuple.rs:+4:19: +4:22
- _9 = (_1.1: i32); // scope 2 at $DIR/tuple.rs:+4:19: +4:22
- _7 = Add(move _8, move _9); // scope 2 at $DIR/tuple.rs:+4:13: +4:22
+ _9 = const 3_i32; // scope 2 at $DIR/tuple.rs:+4:19: +4:22
+ _7 = const 5_i32; // scope 2 at $DIR/tuple.rs:+4:13: +4:22
StorageDead(_9); // scope 2 at $DIR/tuple.rs:+4:21: +4:22
StorageDead(_8); // scope 2 at $DIR/tuple.rs:+4:21: +4:22
StorageLive(_10); // scope 2 at $DIR/tuple.rs:+4:25: +4:26
- _10 = _2; // scope 2 at $DIR/tuple.rs:+4:25: +4:26
- _6 = Add(move _7, move _10); // scope 2 at $DIR/tuple.rs:+4:13: +4:26
+ _10 = const 6_i32; // scope 2 at $DIR/tuple.rs:+4:25: +4:26
+ _6 = const 11_i32; // scope 2 at $DIR/tuple.rs:+4:13: +4:26
StorageDead(_10); // scope 2 at $DIR/tuple.rs:+4:25: +4:26
StorageDead(_7); // scope 2 at $DIR/tuple.rs:+4:25: +4:26
_0 = const (); // scope 0 at $DIR/tuple.rs:+0:11: +5:2
StorageDead(_6); // scope 2 at $DIR/tuple.rs:+5:1: +5:2
StorageDead(_2); // scope 1 at $DIR/tuple.rs:+5:1: +5:2
StorageDead(_1); // scope 0 at $DIR/tuple.rs:+5:1: +5:2
return; // scope 0 at $DIR/tuple.rs:+5:2: +5:2
}
}

7
src/test/mir-opt/dataflow-const-prop/tuple.rs
View file

@ -1,12 +1,9 @@
// unit-test: DataflowConstProp
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR tuple.main.DataflowConstProp.diff
fn main() {
let mut a = (1, 2);
let mut b = &a;
let c = a.0 + b.1 + 3;
let b = a.0 + a.1 + 3;
a = (2, 3);
b = &a;
let d = a.0 + b.1 + 4;
let c = a.0 + a.1 + b;
}