Add mir-opt test.
This commit is contained in:
Camille GILLOT
parent
ccef802163
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25ef277594
2 changed files with 173 additions and 0 deletions
151
tests/mir-opt/reference_prop.debuginfo.ReferencePropagation.diff
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151
tests/mir-opt/reference_prop.debuginfo.ReferencePropagation.diff
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@ -0,0 +1,151 @@
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- // MIR for `debuginfo` before ReferencePropagation
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+ // MIR for `debuginfo` after ReferencePropagation
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fn debuginfo() -> () {
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let mut _0: (); // return place in scope 0 at $DIR/reference_prop.rs:+0:16: +0:16
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let _1: &mut u8; // in scope 0 at $DIR/reference_prop.rs:+3:9: +3:19
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let mut _2: u8; // in scope 0 at $DIR/reference_prop.rs:+3:27: +3:31
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let _4: debuginfo::T; // in scope 0 at $DIR/reference_prop.rs:+4:18: +4:22
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let _6: (); // in scope 0 at $DIR/reference_prop.rs:+9:5: +12:6
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let mut _7: std::option::Option<i32>; // in scope 0 at $DIR/reference_prop.rs:+9:11: +9:18
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let mut _8: isize; // in scope 0 at $DIR/reference_prop.rs:+10:9: +10:13
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let mut _10: &[i32]; // in scope 0 at $DIR/reference_prop.rs:+16:82: +16:94
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let _11: &[i32]; // in scope 0 at $DIR/reference_prop.rs:+16:83: +16:94
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let mut _12: &[i32; 10]; // in scope 0 at $DIR/reference_prop.rs:+16:83: +16:90
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let _13: [i32; 10]; // in scope 0 at $DIR/reference_prop.rs:+16:83: +16:90
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let mut _14: std::ops::RangeFull; // in scope 0 at $DIR/reference_prop.rs:+16:91: +16:93
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let mut _15: usize; // in scope 0 at $DIR/reference_prop.rs:+16:12: +16:79
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let mut _16: usize; // in scope 0 at $DIR/reference_prop.rs:+16:12: +16:79
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let mut _17: bool; // in scope 0 at $DIR/reference_prop.rs:+16:12: +16:79
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scope 1 {
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- debug ref_mut_u8 => _1; // in scope 1 at $DIR/reference_prop.rs:+3:9: +3:19
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+ debug ref_mut_u8 => &_2; // in scope 1 at $DIR/reference_prop.rs:+3:9: +3:19
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let _3: &u8; // in scope 1 at $DIR/reference_prop.rs:+4:9: +4:14
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let mut _23: &debuginfo::T; // in scope 1 at $DIR/reference_prop.rs:+4:17: +4:24
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scope 2 {
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- debug field => _3; // in scope 2 at $DIR/reference_prop.rs:+4:9: +4:14
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+ debug field => &((*_23).0: u8); // in scope 2 at $DIR/reference_prop.rs:+4:9: +4:14
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let _5: &u8; // in scope 2 at $DIR/reference_prop.rs:+7:9: +7:17
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scope 3 {
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- debug reborrow => _5; // in scope 3 at $DIR/reference_prop.rs:+7:9: +7:17
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+ debug reborrow => _1; // in scope 3 at $DIR/reference_prop.rs:+7:9: +7:17
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let _9: &i32; // in scope 3 at $DIR/reference_prop.rs:+11:14: +11:31
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let mut _22: &std::option::Option<i32>; // in scope 3 at $DIR/reference_prop.rs:+11:14: +11:31
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scope 4 {
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- debug variant_field => _9; // in scope 4 at $DIR/reference_prop.rs:+11:14: +11:31
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+ debug variant_field => &(((*_22) as Some).0: i32); // in scope 4 at $DIR/reference_prop.rs:+11:14: +11:31
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}
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scope 5 {
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- debug constant_index => _18; // in scope 5 at $DIR/reference_prop.rs:+16:16: +16:34
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+ debug constant_index => &(*_10)[1 of 3]; // in scope 5 at $DIR/reference_prop.rs:+16:16: +16:34
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debug subslice => _19; // in scope 5 at $DIR/reference_prop.rs:+16:36: +16:44
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debug constant_index_from_end => _20; // in scope 5 at $DIR/reference_prop.rs:+16:51: +16:78
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let _18: &i32; // in scope 5 at $DIR/reference_prop.rs:+16:16: +16:34
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let _19: &[i32]; // in scope 5 at $DIR/reference_prop.rs:+16:36: +16:44
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let _20: &i32; // in scope 5 at $DIR/reference_prop.rs:+16:51: +16:78
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let mut _21: &[i32; 10]; // in scope 5 at $DIR/reference_prop.rs:+16:83: +16:90
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}
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}
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}
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}
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bb0: {
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StorageLive(_1); // scope 0 at $DIR/reference_prop.rs:+3:9: +3:19
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StorageLive(_2); // scope 0 at $DIR/reference_prop.rs:+3:27: +3:31
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_2 = const 5_u8; // scope 0 at $DIR/reference_prop.rs:+3:27: +3:31
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_1 = &mut _2; // scope 0 at $DIR/reference_prop.rs:+3:22: +3:31
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- StorageLive(_3); // scope 1 at $DIR/reference_prop.rs:+4:9: +4:14
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_23 = const _; // scope 1 at $DIR/reference_prop.rs:+4:17: +4:24
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// mir::Constant
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// + span: $DIR/reference_prop.rs:463:17: 463:24
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// + literal: Const { ty: &T, val: Unevaluated(debuginfo, [], Some(promoted[2])) }
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- _3 = &((*_23).0: u8); // scope 1 at $DIR/reference_prop.rs:+4:17: +4:24
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- StorageLive(_5); // scope 2 at $DIR/reference_prop.rs:+7:9: +7:17
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- _5 = &(*_1); // scope 2 at $DIR/reference_prop.rs:+7:20: +7:32
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- StorageLive(_6); // scope 3 at $DIR/reference_prop.rs:+9:5: +12:6
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StorageLive(_7); // scope 3 at $DIR/reference_prop.rs:+9:11: +9:18
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_7 = Option::<i32>::Some(const 0_i32); // scope 3 at $DIR/reference_prop.rs:+9:11: +9:18
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_8 = discriminant(_7); // scope 3 at $DIR/reference_prop.rs:+9:11: +9:18
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switchInt(move _8) -> [0: bb3, 1: bb1, otherwise: bb2]; // scope 3 at $DIR/reference_prop.rs:+9:5: +9:18
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}
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bb1: {
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- StorageLive(_9); // scope 3 at $DIR/reference_prop.rs:+11:14: +11:31
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_22 = const _; // scope 3 at $DIR/reference_prop.rs:+11:14: +11:31
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// mir::Constant
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// + span: $DIR/reference_prop.rs:470:14: 470:31
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// + literal: Const { ty: &Option<i32>, val: Unevaluated(debuginfo, [], Some(promoted[1])) }
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- _9 = &(((*_22) as Some).0: i32); // scope 3 at $DIR/reference_prop.rs:+11:14: +11:31
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- _6 = const (); // scope 4 at $DIR/reference_prop.rs:+11:36: +11:38
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- StorageDead(_9); // scope 3 at $DIR/reference_prop.rs:+11:37: +11:38
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goto -> bb4; // scope 3 at $DIR/reference_prop.rs:+11:37: +11:38
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}
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bb2: {
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unreachable; // scope 3 at $DIR/reference_prop.rs:+9:11: +9:18
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}
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bb3: {
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- _6 = const (); // scope 3 at $DIR/reference_prop.rs:+10:17: +10:19
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goto -> bb4; // scope 3 at $DIR/reference_prop.rs:+10:17: +10:19
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}
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bb4: {
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StorageDead(_7); // scope 3 at $DIR/reference_prop.rs:+12:5: +12:6
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- StorageDead(_6); // scope 3 at $DIR/reference_prop.rs:+12:5: +12:6
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StorageLive(_10); // scope 5 at $DIR/reference_prop.rs:+16:82: +16:94
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StorageLive(_11); // scope 5 at $DIR/reference_prop.rs:+16:83: +16:94
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StorageLive(_12); // scope 5 at $DIR/reference_prop.rs:+16:83: +16:90
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_21 = const _; // scope 5 at $DIR/reference_prop.rs:+16:83: +16:90
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// mir::Constant
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// + span: $DIR/reference_prop.rs:475:83: 475:90
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// + literal: Const { ty: &[i32; 10], val: Unevaluated(debuginfo, [], Some(promoted[0])) }
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_12 = &(*_21); // scope 5 at $DIR/reference_prop.rs:+16:83: +16:90
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StorageLive(_14); // scope 5 at $DIR/reference_prop.rs:+16:91: +16:93
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_14 = RangeFull; // scope 5 at $DIR/reference_prop.rs:+16:91: +16:93
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_11 = <[i32; 10] as Index<RangeFull>>::index(move _12, move _14) -> bb5; // scope 5 at $DIR/reference_prop.rs:+16:83: +16:94
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// mir::Constant
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// + span: $DIR/reference_prop.rs:475:83: 475:94
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// + literal: Const { ty: for<'a> fn(&'a [i32; 10], RangeFull) -> &'a <[i32; 10] as Index<RangeFull>>::Output {<[i32; 10] as Index<RangeFull>>::index}, val: Value(<ZST>) }
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}
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bb5: {
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StorageDead(_14); // scope 5 at $DIR/reference_prop.rs:+16:93: +16:94
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StorageDead(_12); // scope 5 at $DIR/reference_prop.rs:+16:93: +16:94
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_10 = &(*_11); // scope 5 at $DIR/reference_prop.rs:+16:82: +16:94
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_15 = Len((*_10)); // scope 5 at $DIR/reference_prop.rs:+16:12: +16:79
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_16 = const 3_usize; // scope 5 at $DIR/reference_prop.rs:+16:12: +16:79
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_17 = Ge(move _15, move _16); // scope 5 at $DIR/reference_prop.rs:+16:12: +16:79
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switchInt(move _17) -> [0: bb7, otherwise: bb6]; // scope 5 at $DIR/reference_prop.rs:+16:12: +16:79
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}
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bb6: {
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- StorageLive(_18); // scope 5 at $DIR/reference_prop.rs:+16:16: +16:34
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- _18 = &(*_10)[1 of 3]; // scope 5 at $DIR/reference_prop.rs:+16:16: +16:34
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StorageLive(_19); // scope 5 at $DIR/reference_prop.rs:+16:36: +16:44
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_19 = &(*_10)[2:-1]; // scope 5 at $DIR/reference_prop.rs:+16:36: +16:44
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StorageLive(_20); // scope 5 at $DIR/reference_prop.rs:+16:51: +16:78
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_20 = &(*_10)[-1 of 3]; // scope 5 at $DIR/reference_prop.rs:+16:51: +16:78
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_0 = const (); // scope 5 at $DIR/reference_prop.rs:+16:95: +17:6
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StorageDead(_20); // scope 3 at $DIR/reference_prop.rs:+17:5: +17:6
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StorageDead(_19); // scope 3 at $DIR/reference_prop.rs:+17:5: +17:6
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- StorageDead(_18); // scope 3 at $DIR/reference_prop.rs:+17:5: +17:6
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goto -> bb8; // scope 3 at $DIR/reference_prop.rs:+16:5: +17:6
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}
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bb7: {
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_0 = const (); // scope 3 at $DIR/reference_prop.rs:+17:6: +17:6
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goto -> bb8; // scope 3 at $DIR/reference_prop.rs:+16:5: +17:6
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}
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bb8: {
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- StorageDead(_5); // scope 2 at $DIR/reference_prop.rs:+18:1: +18:2
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- StorageDead(_3); // scope 1 at $DIR/reference_prop.rs:+18:1: +18:2
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StorageDead(_2); // scope 0 at $DIR/reference_prop.rs:+18:1: +18:2
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StorageDead(_1); // scope 0 at $DIR/reference_prop.rs:+18:1: +18:2
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StorageDead(_11); // scope 0 at $DIR/reference_prop.rs:+18:1: +18:2
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StorageDead(_10); // scope 0 at $DIR/reference_prop.rs:+18:1: +18:2
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return; // scope 0 at $DIR/reference_prop.rs:+18:2: +18:2
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}
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}
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@ -456,6 +456,26 @@ fn unique_with_copies() {
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unsafe { opaque(*y) };
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}
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fn debuginfo() {
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struct T(u8);
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let ref_mut_u8 = &mut 5_u8;
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let field = &T(0).0;
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// Verify that we don't emit `&*` in debuginfo.
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let reborrow = &*ref_mut_u8;
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match Some(0) {
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None => {}
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Some(ref variant_field) => {}
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}
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// `constant_index_from_end` and `subslice` should not be promoted, as their value depends
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// on the slice length.
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if let [_, ref constant_index, subslice @ .., ref constant_index_from_end] = &[6; 10][..] {
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}
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}
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fn main() {
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let mut x = 5_usize;
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let mut y = 7_usize;
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@ -469,6 +489,7 @@ fn main() {
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maybe_dead(true);
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mut_raw_then_mut_shr();
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unique_with_copies();
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debuginfo();
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}
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// EMIT_MIR reference_prop.reference_propagation.ReferencePropagation.diff
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@ -481,3 +502,4 @@ fn main() {
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// EMIT_MIR reference_prop.maybe_dead.ReferencePropagation.diff
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// EMIT_MIR reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff
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// EMIT_MIR reference_prop.unique_with_copies.ReferencePropagation.diff
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// EMIT_MIR reference_prop.debuginfo.ReferencePropagation.diff
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