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Rollup merge of rust-lang#110732 - cjgillot:unit-const-prop, r=tmiasko
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Make ConstProp some tests unit.

Part of the effort to tidy up mir-opt test suite.
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@Dylan-DPC
Dylan-DPC authored Apr 30, 2023
2 parents ff53476 + baa1312 commit 1a8e704
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Showing 19 changed files with 79 additions and 75 deletions.
3 changes: 1 addition & 2 deletions tests/mir-opt/const_prop/mult_by_zero.rs
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@@ -1,5 +1,4 @@
// unit-test
// compile-flags: -O -Zmir-opt-level=4
// unit-test: ConstProp

// EMIT_MIR mult_by_zero.test.ConstProp.diff
fn test(x : i32) -> i32 {
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5 changes: 4 additions & 1 deletion tests/mir-opt/const_prop/mult_by_zero.test.ConstProp.diff
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Expand Up @@ -7,8 +7,11 @@
let mut _2: i32; // in scope 0 at $DIR/mult_by_zero.rs:+1:3: +1:4

bb0: {
- _0 = Mul(_1, const 0_i32); // scope 0 at $DIR/mult_by_zero.rs:+1:3: +1:8
StorageLive(_2); // scope 0 at $DIR/mult_by_zero.rs:+1:3: +1:4
_2 = _1; // scope 0 at $DIR/mult_by_zero.rs:+1:3: +1:4
- _0 = Mul(move _2, const 0_i32); // scope 0 at $DIR/mult_by_zero.rs:+1:3: +1:8
+ _0 = const 0_i32; // scope 0 at $DIR/mult_by_zero.rs:+1:3: +1:8
StorageDead(_2); // scope 0 at $DIR/mult_by_zero.rs:+1:7: +1:8
return; // scope 0 at $DIR/mult_by_zero.rs:+2:2: +2:2
}
}
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1 change: 1 addition & 0 deletions tests/mir-opt/const_prop/mutable_variable.main.ConstProp.diff
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Expand Up @@ -19,6 +19,7 @@
StorageLive(_2); // scope 1 at $DIR/mutable_variable.rs:+3:9: +3:10
- _2 = _1; // scope 1 at $DIR/mutable_variable.rs:+3:13: +3:14
+ _2 = const 99_i32; // scope 1 at $DIR/mutable_variable.rs:+3:13: +3:14
_0 = const (); // scope 0 at $DIR/mutable_variable.rs:+0:11: +4:2
StorageDead(_2); // scope 1 at $DIR/mutable_variable.rs:+4:1: +4:2
StorageDead(_1); // scope 0 at $DIR/mutable_variable.rs:+4:1: +4:2
return; // scope 0 at $DIR/mutable_variable.rs:+4:2: +4:2
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3 changes: 1 addition & 2 deletions tests/mir-opt/const_prop/mutable_variable.rs
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@@ -1,5 +1,4 @@
// unit-test
// compile-flags: -O
// unit-test: ConstProp

// EMIT_MIR mutable_variable.main.ConstProp.diff
fn main() {
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25 changes: 12 additions & 13 deletions tests/mir-opt/const_prop/mutable_variable_aggregate.main.ConstProp.diff
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Expand Up @@ -3,27 +3,26 @@

fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/mutable_variable_aggregate.rs:+0:11: +0:11
let mut _3: i32; // in scope 0 at $DIR/mutable_variable_aggregate.rs:+1:9: +1:14
let mut _4: i32; // in scope 0 at $DIR/mutable_variable_aggregate.rs:+1:9: +1:14
let mut _1: (i32, i32); // in scope 0 at $DIR/mutable_variable_aggregate.rs:+1:9: +1:14
scope 1 {
debug x => (i32, i32){ .0 => _3, .1 => _4, }; // in scope 1 at $DIR/mutable_variable_aggregate.rs:+1:9: +1:14
let _1: i32; // in scope 1 at $DIR/mutable_variable_aggregate.rs:+3:9: +3:10
let _2: i32; // in scope 1 at $DIR/mutable_variable_aggregate.rs:+3:9: +3:10
debug x => _1; // in scope 1 at $DIR/mutable_variable_aggregate.rs:+1:9: +1:14
let _2: (i32, i32); // in scope 1 at $DIR/mutable_variable_aggregate.rs:+3:9: +3:10
scope 2 {
debug y => (i32, i32){ .0 => _3, .1 => _2, }; // in scope 2 at $DIR/mutable_variable_aggregate.rs:+3:9: +3:10
debug y => _2; // in scope 2 at $DIR/mutable_variable_aggregate.rs:+3:9: +3:10
}
}

bb0: {
StorageLive(_4); // scope 0 at $DIR/mutable_variable_aggregate.rs:+1:9: +1:14
_3 = const 42_i32; // scope 0 at $DIR/mutable_variable_aggregate.rs:+1:17: +1:25
_4 = const 43_i32; // scope 0 at $DIR/mutable_variable_aggregate.rs:+1:17: +1:25
_4 = const 99_i32; // scope 1 at $DIR/mutable_variable_aggregate.rs:+2:5: +2:13
StorageLive(_1); // scope 0 at $DIR/mutable_variable_aggregate.rs:+1:9: +1:14
- _1 = (const 42_i32, const 43_i32); // scope 0 at $DIR/mutable_variable_aggregate.rs:+1:17: +1:25
+ _1 = const (42_i32, 43_i32); // scope 0 at $DIR/mutable_variable_aggregate.rs:+1:17: +1:25
(_1.1: i32) = const 99_i32; // scope 1 at $DIR/mutable_variable_aggregate.rs:+2:5: +2:13
StorageLive(_2); // scope 1 at $DIR/mutable_variable_aggregate.rs:+3:9: +3:10
- _2 = _4; // scope 1 at $DIR/mutable_variable_aggregate.rs:+3:13: +3:14
+ _2 = const 99_i32; // scope 1 at $DIR/mutable_variable_aggregate.rs:+3:13: +3:14
- _2 = _1; // scope 1 at $DIR/mutable_variable_aggregate.rs:+3:13: +3:14
+ _2 = const (42_i32, 99_i32); // scope 1 at $DIR/mutable_variable_aggregate.rs:+3:13: +3:14
_0 = const (); // scope 0 at $DIR/mutable_variable_aggregate.rs:+0:11: +4:2
StorageDead(_2); // scope 1 at $DIR/mutable_variable_aggregate.rs:+4:1: +4:2
StorageDead(_4); // scope 0 at $DIR/mutable_variable_aggregate.rs:+4:1: +4:2
StorageDead(_1); // scope 0 at $DIR/mutable_variable_aggregate.rs:+4:1: +4:2
return; // scope 0 at $DIR/mutable_variable_aggregate.rs:+4:2: +4:2
}
}
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3 changes: 1 addition & 2 deletions tests/mir-opt/const_prop/mutable_variable_aggregate.rs
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@@ -1,5 +1,4 @@
// unit-test
// compile-flags: -O
// unit-test: ConstProp

// EMIT_MIR mutable_variable_aggregate.main.ConstProp.diff
fn main() {
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11 changes: 4 additions & 7 deletions tests/mir-opt/const_prop/mutable_variable_aggregate_mut_ref.main.ConstProp.diff
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Expand Up @@ -9,10 +9,9 @@
let _2: &mut (i32, i32); // in scope 1 at $DIR/mutable_variable_aggregate_mut_ref.rs:+2:9: +2:10
scope 2 {
debug z => _2; // in scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+2:9: +2:10
let _3: i32; // in scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+4:9: +4:10
let _4: i32; // in scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+4:9: +4:10
let _3: (i32, i32); // in scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+4:9: +4:10
scope 3 {
debug y => (i32, i32){ .0 => _3, .1 => _4, }; // in scope 3 at $DIR/mutable_variable_aggregate_mut_ref.rs:+4:9: +4:10
debug y => _3; // in scope 3 at $DIR/mutable_variable_aggregate_mut_ref.rs:+4:9: +4:10
}
}
}
Expand All @@ -24,11 +23,9 @@
_2 = &mut _1; // scope 1 at $DIR/mutable_variable_aggregate_mut_ref.rs:+2:13: +2:19
((*_2).1: i32) = const 99_i32; // scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+3:5: +3:13
StorageLive(_3); // scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+4:9: +4:10
StorageLive(_4); // scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+4:9: +4:10
_3 = (_1.0: i32); // scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+4:13: +4:14
_4 = (_1.1: i32); // scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+4:13: +4:14
_3 = _1; // scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+4:13: +4:14
_0 = const (); // scope 0 at $DIR/mutable_variable_aggregate_mut_ref.rs:+0:11: +5:2
StorageDead(_3); // scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+5:1: +5:2
StorageDead(_4); // scope 2 at $DIR/mutable_variable_aggregate_mut_ref.rs:+5:1: +5:2
StorageDead(_2); // scope 1 at $DIR/mutable_variable_aggregate_mut_ref.rs:+5:1: +5:2
StorageDead(_1); // scope 0 at $DIR/mutable_variable_aggregate_mut_ref.rs:+5:1: +5:2
return; // scope 0 at $DIR/mutable_variable_aggregate_mut_ref.rs:+5:2: +5:2
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3 changes: 1 addition & 2 deletions tests/mir-opt/const_prop/mutable_variable_aggregate_mut_ref.rs
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@@ -1,5 +1,4 @@
// unit-test
// compile-flags: -O
// unit-test: ConstProp

// EMIT_MIR mutable_variable_aggregate_mut_ref.main.ConstProp.diff
fn main() {
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3 changes: 2 additions & 1 deletion tests/mir-opt/const_prop/mutable_variable_aggregate_partial_read.main.ConstProp.diff
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Expand Up @@ -16,7 +16,7 @@
StorageLive(_1); // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+1:9: +1:14
_1 = foo() -> bb1; // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+1:29: +1:34
// mir::Constant
// + span: $DIR/mutable_variable_aggregate_partial_read.rs:7:29: 7:32
// + span: $DIR/mutable_variable_aggregate_partial_read.rs:6:29: 6:32
// + literal: Const { ty: fn() -> (i32, i32) {foo}, val: Value(<ZST>) }
}

Expand All @@ -26,6 +26,7 @@
StorageLive(_2); // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+4:9: +4:10
- _2 = (_1.1: i32); // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+4:13: +4:16
+ _2 = const 99_i32; // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+4:13: +4:16
_0 = const (); // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+0:11: +5:2
StorageDead(_2); // scope 1 at $DIR/mutable_variable_aggregate_partial_read.rs:+5:1: +5:2
StorageDead(_1); // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+5:1: +5:2
return; // scope 0 at $DIR/mutable_variable_aggregate_partial_read.rs:+5:2: +5:2
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3 changes: 1 addition & 2 deletions tests/mir-opt/const_prop/mutable_variable_aggregate_partial_read.rs
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@@ -1,6 +1,5 @@
// ignore-wasm32 compiled with panic=abort by default
// unit-test
// compile-flags: -O
// unit-test: ConstProp

// EMIT_MIR mutable_variable_aggregate_partial_read.main.ConstProp.diff
fn main() {
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33 changes: 19 additions & 14 deletions tests/mir-opt/const_prop/mutable_variable_no_prop.main.ConstProp.diff
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Expand Up @@ -4,34 +4,39 @@
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/mutable_variable_no_prop.rs:+0:11: +0:11
let mut _1: u32; // in scope 0 at $DIR/mutable_variable_no_prop.rs:+1:9: +1:14
let mut _2: u32; // in scope 0 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
let mut _3: *mut u32; // in scope 0 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
let _2: (); // in scope 0 at $DIR/mutable_variable_no_prop.rs:+2:5: +4:6
let mut _3: u32; // in scope 0 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
let mut _4: *mut u32; // in scope 0 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
scope 1 {
debug x => _1; // in scope 1 at $DIR/mutable_variable_no_prop.rs:+1:9: +1:14
let _4: u32; // in scope 1 at $DIR/mutable_variable_no_prop.rs:+5:9: +5:10
let _5: u32; // in scope 1 at $DIR/mutable_variable_no_prop.rs:+5:9: +5:10
scope 2 {
}
scope 3 {
debug y => _4; // in scope 3 at $DIR/mutable_variable_no_prop.rs:+5:9: +5:10
debug y => _5; // in scope 3 at $DIR/mutable_variable_no_prop.rs:+5:9: +5:10
}
}

bb0: {
StorageLive(_1); // scope 0 at $DIR/mutable_variable_no_prop.rs:+1:9: +1:14
_1 = const 42_u32; // scope 0 at $DIR/mutable_variable_no_prop.rs:+1:17: +1:19
StorageLive(_2); // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
StorageLive(_2); // scope 1 at $DIR/mutable_variable_no_prop.rs:+2:5: +4:6
StorageLive(_3); // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
_3 = const {alloc1: *mut u32}; // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
StorageLive(_4); // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
_4 = const {alloc1: *mut u32}; // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
// mir::Constant
// + span: $DIR/mutable_variable_no_prop.rs:10:13: 10:19
// + span: $DIR/mutable_variable_no_prop.rs:9:13: 9:19
// + literal: Const { ty: *mut u32, val: Value(Scalar(alloc1)) }
_2 = (*_3); // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
_1 = move _2; // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:9: +3:19
StorageDead(_2); // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:18: +3:19
StorageDead(_3); // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:19: +3:20
StorageLive(_4); // scope 1 at $DIR/mutable_variable_no_prop.rs:+5:9: +5:10
_4 = _1; // scope 1 at $DIR/mutable_variable_no_prop.rs:+5:13: +5:14
StorageDead(_4); // scope 1 at $DIR/mutable_variable_no_prop.rs:+6:1: +6:2
_3 = (*_4); // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
_1 = move _3; // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:9: +3:19
StorageDead(_3); // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:18: +3:19
StorageDead(_4); // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:19: +3:20
_2 = const (); // scope 2 at $DIR/mutable_variable_no_prop.rs:+2:5: +4:6
StorageDead(_2); // scope 1 at $DIR/mutable_variable_no_prop.rs:+4:5: +4:6
StorageLive(_5); // scope 1 at $DIR/mutable_variable_no_prop.rs:+5:9: +5:10
_5 = _1; // scope 1 at $DIR/mutable_variable_no_prop.rs:+5:13: +5:14
_0 = const (); // scope 0 at $DIR/mutable_variable_no_prop.rs:+0:11: +6:2
StorageDead(_5); // scope 1 at $DIR/mutable_variable_no_prop.rs:+6:1: +6:2
StorageDead(_1); // scope 0 at $DIR/mutable_variable_no_prop.rs:+6:1: +6:2
return; // scope 0 at $DIR/mutable_variable_no_prop.rs:+6:2: +6:2
}
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3 changes: 1 addition & 2 deletions tests/mir-opt/const_prop/mutable_variable_no_prop.rs
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@@ -1,5 +1,4 @@
// unit-test
// compile-flags: -O
// unit-test: ConstProp

static mut STATIC: u32 = 0x42424242;

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42 changes: 23 additions & 19 deletions tests/mir-opt/const_prop/mutable_variable_unprop_assign.main.ConstProp.diff
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Original file line number Diff line number Diff line change
Expand Up @@ -4,17 +4,16 @@
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/mutable_variable_unprop_assign.rs:+0:11: +0:11
let _1: i32; // in scope 0 at $DIR/mutable_variable_unprop_assign.rs:+1:9: +1:10
let mut _2: i32; // in scope 0 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
let mut _3: i32; // in scope 0 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
scope 1 {
debug a => _1; // in scope 1 at $DIR/mutable_variable_unprop_assign.rs:+1:9: +1:10
let mut _5: i32; // in scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:9: +2:14
let mut _6: i32; // in scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:9: +2:14
let mut _2: (i32, i32); // in scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:9: +2:14
scope 2 {
debug x => (i32, i32){ .0 => _5, .1 => _6, }; // in scope 2 at $DIR/mutable_variable_unprop_assign.rs:+2:9: +2:14
let _3: i32; // in scope 2 at $DIR/mutable_variable_unprop_assign.rs:+4:9: +4:10
debug x => _2; // in scope 2 at $DIR/mutable_variable_unprop_assign.rs:+2:9: +2:14
let _4: i32; // in scope 2 at $DIR/mutable_variable_unprop_assign.rs:+4:9: +4:10
scope 3 {
debug y => _3; // in scope 3 at $DIR/mutable_variable_unprop_assign.rs:+4:9: +4:10
let _4: i32; // in scope 3 at $DIR/mutable_variable_unprop_assign.rs:+5:9: +5:10
debug y => _4; // in scope 3 at $DIR/mutable_variable_unprop_assign.rs:+4:9: +4:10
let _5: i32; // in scope 3 at $DIR/mutable_variable_unprop_assign.rs:+5:9: +5:10
scope 4 {
debug z => _5; // in scope 4 at $DIR/mutable_variable_unprop_assign.rs:+5:9: +5:10
}
Expand All @@ -26,22 +25,27 @@
StorageLive(_1); // scope 0 at $DIR/mutable_variable_unprop_assign.rs:+1:9: +1:10
_1 = foo() -> bb1; // scope 0 at $DIR/mutable_variable_unprop_assign.rs:+1:13: +1:18
// mir::Constant
// + span: $DIR/mutable_variable_unprop_assign.rs:7:13: 7:16
// + span: $DIR/mutable_variable_unprop_assign.rs:6:13: 6:16
// + literal: Const { ty: fn() -> i32 {foo}, val: Value(<ZST>) }
}

bb1: {
StorageLive(_6); // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:9: +2:14
_5 = const 1_i32; // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:29: +2:35
_6 = const 2_i32; // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:29: +2:35
StorageLive(_2); // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
_2 = _1; // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
_6 = move _2; // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:5: +3:12
StorageDead(_2); // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
StorageLive(_3); // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+4:9: +4:10
_3 = _6; // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+4:13: +4:16
StorageDead(_3); // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+6:1: +6:2
StorageDead(_6); // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+6:1: +6:2
StorageLive(_2); // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:9: +2:14
- _2 = (const 1_i32, const 2_i32); // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:29: +2:35
+ _2 = const (1_i32, 2_i32); // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+2:29: +2:35
StorageLive(_3); // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
_3 = _1; // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
(_2.1: i32) = move _3; // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:5: +3:12
StorageDead(_3); // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+3:11: +3:12
StorageLive(_4); // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+4:9: +4:10
_4 = (_2.1: i32); // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+4:13: +4:16
StorageLive(_5); // scope 3 at $DIR/mutable_variable_unprop_assign.rs:+5:9: +5:10
- _5 = (_2.0: i32); // scope 3 at $DIR/mutable_variable_unprop_assign.rs:+5:13: +5:16
+ _5 = const 1_i32; // scope 3 at $DIR/mutable_variable_unprop_assign.rs:+5:13: +5:16
_0 = const (); // scope 0 at $DIR/mutable_variable_unprop_assign.rs:+0:11: +6:2
StorageDead(_5); // scope 3 at $DIR/mutable_variable_unprop_assign.rs:+6:1: +6:2
StorageDead(_4); // scope 2 at $DIR/mutable_variable_unprop_assign.rs:+6:1: +6:2
StorageDead(_2); // scope 1 at $DIR/mutable_variable_unprop_assign.rs:+6:1: +6:2
StorageDead(_1); // scope 0 at $DIR/mutable_variable_unprop_assign.rs:+6:1: +6:2
return; // scope 0 at $DIR/mutable_variable_unprop_assign.rs:+6:2: +6:2
}
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3 changes: 1 addition & 2 deletions tests/mir-opt/const_prop/mutable_variable_unprop_assign.rs
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@@ -1,6 +1,5 @@
// ignore-wasm32 compiled with panic=abort by default
// unit-test
// compile-flags: -O
// unit-test: ConstProp

// EMIT_MIR mutable_variable_unprop_assign.main.ConstProp.diff
fn main() {
Expand Down
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