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Add partial propagation test.
This commit is contained in:
Camille GILLOT
parent
10ec94930b
commit
83173c68f5
55
tests/mir-opt/const_prop/aggregate.foo.ConstProp.diff
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55
tests/mir-opt/const_prop/aggregate.foo.ConstProp.diff
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@ -0,0 +1,55 @@
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- // MIR for `foo` before ConstProp
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+ // MIR for `foo` after ConstProp
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fn foo(_1: u8) -> () {
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debug x => _1; // in scope 0 at $DIR/aggregate.rs:+0:8: +0:9
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let mut _0: (); // return place in scope 0 at $DIR/aggregate.rs:+0:15: +0:15
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let _2: i32; // in scope 0 at $DIR/aggregate.rs:+2:9: +2:14
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let mut _3: i32; // in scope 0 at $DIR/aggregate.rs:+2:17: +2:25
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let mut _4: (i32, u8); // in scope 0 at $DIR/aggregate.rs:+2:17: +2:23
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let mut _5: u8; // in scope 0 at $DIR/aggregate.rs:+2:21: +2:22
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let mut _7: i32; // in scope 0 at $DIR/aggregate.rs:+3:18: +3:26
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let mut _8: (u8, i32); // in scope 0 at $DIR/aggregate.rs:+3:18: +3:24
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let mut _9: u8; // in scope 0 at $DIR/aggregate.rs:+3:19: +3:20
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scope 1 {
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debug first => _2; // in scope 1 at $DIR/aggregate.rs:+2:9: +2:14
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let _6: i32; // in scope 1 at $DIR/aggregate.rs:+3:9: +3:15
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scope 2 {
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debug second => _6; // in scope 2 at $DIR/aggregate.rs:+3:9: +3:15
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}
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}
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bb0: {
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StorageLive(_2); // scope 0 at $DIR/aggregate.rs:+2:9: +2:14
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StorageLive(_3); // scope 0 at $DIR/aggregate.rs:+2:17: +2:25
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StorageLive(_4); // scope 0 at $DIR/aggregate.rs:+2:17: +2:23
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StorageLive(_5); // scope 0 at $DIR/aggregate.rs:+2:21: +2:22
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_5 = _1; // scope 0 at $DIR/aggregate.rs:+2:21: +2:22
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_4 = (const 0_i32, move _5); // scope 0 at $DIR/aggregate.rs:+2:17: +2:23
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StorageDead(_5); // scope 0 at $DIR/aggregate.rs:+2:22: +2:23
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- _3 = (_4.0: i32); // scope 0 at $DIR/aggregate.rs:+2:17: +2:25
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- _2 = Add(move _3, const 1_i32); // scope 0 at $DIR/aggregate.rs:+2:17: +2:29
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+ _3 = const 0_i32; // scope 0 at $DIR/aggregate.rs:+2:17: +2:25
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+ _2 = const 1_i32; // scope 0 at $DIR/aggregate.rs:+2:17: +2:29
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StorageDead(_3); // scope 0 at $DIR/aggregate.rs:+2:28: +2:29
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StorageDead(_4); // scope 0 at $DIR/aggregate.rs:+2:29: +2:30
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StorageLive(_6); // scope 1 at $DIR/aggregate.rs:+3:9: +3:15
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StorageLive(_7); // scope 1 at $DIR/aggregate.rs:+3:18: +3:26
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StorageLive(_8); // scope 1 at $DIR/aggregate.rs:+3:18: +3:24
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StorageLive(_9); // scope 1 at $DIR/aggregate.rs:+3:19: +3:20
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_9 = _1; // scope 1 at $DIR/aggregate.rs:+3:19: +3:20
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_8 = (move _9, const 1_i32); // scope 1 at $DIR/aggregate.rs:+3:18: +3:24
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StorageDead(_9); // scope 1 at $DIR/aggregate.rs:+3:23: +3:24
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- _7 = (_8.1: i32); // scope 1 at $DIR/aggregate.rs:+3:18: +3:26
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- _6 = Add(move _7, const 2_i32); // scope 1 at $DIR/aggregate.rs:+3:18: +3:30
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+ _7 = const 1_i32; // scope 1 at $DIR/aggregate.rs:+3:18: +3:26
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+ _6 = const 3_i32; // scope 1 at $DIR/aggregate.rs:+3:18: +3:30
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StorageDead(_7); // scope 1 at $DIR/aggregate.rs:+3:29: +3:30
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StorageDead(_8); // scope 1 at $DIR/aggregate.rs:+3:30: +3:31
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_0 = const (); // scope 0 at $DIR/aggregate.rs:+0:15: +4:2
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StorageDead(_6); // scope 1 at $DIR/aggregate.rs:+4:1: +4:2
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StorageDead(_2); // scope 0 at $DIR/aggregate.rs:+4:1: +4:2
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return; // scope 0 at $DIR/aggregate.rs:+4:2: +4:2
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}
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}
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49
tests/mir-opt/const_prop/aggregate.foo.PreCodegen.after.mir
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49
tests/mir-opt/const_prop/aggregate.foo.PreCodegen.after.mir
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@ -0,0 +1,49 @@
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// MIR for `foo` after PreCodegen
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fn foo(_1: u8) -> () {
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debug x => _1; // in scope 0 at $DIR/aggregate.rs:+0:8: +0:9
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let mut _0: (); // return place in scope 0 at $DIR/aggregate.rs:+0:15: +0:15
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let _2: i32; // in scope 0 at $DIR/aggregate.rs:+2:9: +2:14
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let mut _3: i32; // in scope 0 at $DIR/aggregate.rs:+2:17: +2:25
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let mut _4: (i32, u8); // in scope 0 at $DIR/aggregate.rs:+2:17: +2:23
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let mut _5: u8; // in scope 0 at $DIR/aggregate.rs:+2:21: +2:22
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let mut _7: i32; // in scope 0 at $DIR/aggregate.rs:+3:18: +3:26
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let mut _8: (u8, i32); // in scope 0 at $DIR/aggregate.rs:+3:18: +3:24
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let mut _9: u8; // in scope 0 at $DIR/aggregate.rs:+3:19: +3:20
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scope 1 {
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debug first => _2; // in scope 1 at $DIR/aggregate.rs:+2:9: +2:14
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let _6: i32; // in scope 1 at $DIR/aggregate.rs:+3:9: +3:15
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scope 2 {
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debug second => _6; // in scope 2 at $DIR/aggregate.rs:+3:9: +3:15
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}
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}
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bb0: {
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StorageLive(_2); // scope 0 at $DIR/aggregate.rs:+2:9: +2:14
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StorageLive(_3); // scope 0 at $DIR/aggregate.rs:+2:17: +2:25
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StorageLive(_4); // scope 0 at $DIR/aggregate.rs:+2:17: +2:23
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StorageLive(_5); // scope 0 at $DIR/aggregate.rs:+2:21: +2:22
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_5 = _1; // scope 0 at $DIR/aggregate.rs:+2:21: +2:22
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_4 = (const 0_i32, move _5); // scope 0 at $DIR/aggregate.rs:+2:17: +2:23
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StorageDead(_5); // scope 0 at $DIR/aggregate.rs:+2:22: +2:23
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_3 = const 0_i32; // scope 0 at $DIR/aggregate.rs:+2:17: +2:25
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_2 = const 1_i32; // scope 0 at $DIR/aggregate.rs:+2:17: +2:29
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StorageDead(_3); // scope 0 at $DIR/aggregate.rs:+2:28: +2:29
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StorageDead(_4); // scope 0 at $DIR/aggregate.rs:+2:29: +2:30
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StorageLive(_6); // scope 1 at $DIR/aggregate.rs:+3:9: +3:15
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StorageLive(_7); // scope 1 at $DIR/aggregate.rs:+3:18: +3:26
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StorageLive(_8); // scope 1 at $DIR/aggregate.rs:+3:18: +3:24
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StorageLive(_9); // scope 1 at $DIR/aggregate.rs:+3:19: +3:20
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_9 = _1; // scope 1 at $DIR/aggregate.rs:+3:19: +3:20
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_8 = (move _9, const 1_i32); // scope 1 at $DIR/aggregate.rs:+3:18: +3:24
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StorageDead(_9); // scope 1 at $DIR/aggregate.rs:+3:23: +3:24
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_7 = const 1_i32; // scope 1 at $DIR/aggregate.rs:+3:18: +3:26
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_6 = const 3_i32; // scope 1 at $DIR/aggregate.rs:+3:18: +3:30
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StorageDead(_7); // scope 1 at $DIR/aggregate.rs:+3:29: +3:30
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StorageDead(_8); // scope 1 at $DIR/aggregate.rs:+3:30: +3:31
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_0 = const (); // scope 0 at $DIR/aggregate.rs:+0:15: +4:2
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StorageDead(_6); // scope 1 at $DIR/aggregate.rs:+4:1: +4:2
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StorageDead(_2); // scope 0 at $DIR/aggregate.rs:+4:1: +4:2
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return; // scope 0 at $DIR/aggregate.rs:+4:2: +4:2
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}
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}
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@ -3,9 +3,11 @@
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fn main() -> () {
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let mut _0: (); // return place in scope 0 at $DIR/aggregate.rs:+0:11: +0:11
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let _1: i32; // in scope 0 at $DIR/aggregate.rs:+1:9: +1:10
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let mut _2: i32; // in scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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let mut _3: (i32, i32, i32); // in scope 0 at $DIR/aggregate.rs:+1:13: +1:22
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let _1: u8; // in scope 0 at $DIR/aggregate.rs:+1:9: +1:10
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let mut _2: u8; // in scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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let mut _3: (i32, u8, i32); // in scope 0 at $DIR/aggregate.rs:+1:13: +1:22
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let _4: (); // in scope 0 at $DIR/aggregate.rs:+2:5: +2:11
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let mut _5: u8; // in scope 0 at $DIR/aggregate.rs:+2:9: +2:10
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scope 1 {
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debug x => _1; // in scope 1 at $DIR/aggregate.rs:+1:9: +1:10
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}
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@ -14,16 +16,29 @@
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StorageLive(_1); // scope 0 at $DIR/aggregate.rs:+1:9: +1:10
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StorageLive(_2); // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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StorageLive(_3); // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
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_3 = (const 0_i32, const 1_i32, const 2_i32); // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
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- _2 = (_3.1: i32); // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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- _1 = Add(move _2, const 0_i32); // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
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+ _2 = const 1_i32; // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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+ _1 = const 1_i32; // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
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_3 = (const 0_i32, const 1_u8, const 2_i32); // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
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- _2 = (_3.1: u8); // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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- _1 = Add(move _2, const 0_u8); // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
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+ _2 = const 1_u8; // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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+ _1 = const 1_u8; // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
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StorageDead(_2); // scope 0 at $DIR/aggregate.rs:+1:27: +1:28
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StorageDead(_3); // scope 0 at $DIR/aggregate.rs:+1:28: +1:29
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_0 = const (); // scope 0 at $DIR/aggregate.rs:+0:11: +2:2
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StorageDead(_1); // scope 0 at $DIR/aggregate.rs:+2:1: +2:2
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return; // scope 0 at $DIR/aggregate.rs:+2:2: +2:2
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StorageLive(_4); // scope 1 at $DIR/aggregate.rs:+2:5: +2:11
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StorageLive(_5); // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
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- _5 = _1; // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
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+ _5 = const 1_u8; // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
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_4 = foo(move _5) -> bb1; // scope 1 at $DIR/aggregate.rs:+2:5: +2:11
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// mir::Constant
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// + span: $DIR/aggregate.rs:8:5: 8:8
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// + literal: Const { ty: fn(u8) {foo}, val: Value(<ZST>) }
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}
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bb1: {
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StorageDead(_5); // scope 1 at $DIR/aggregate.rs:+2:10: +2:11
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StorageDead(_4); // scope 1 at $DIR/aggregate.rs:+2:11: +2:12
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_0 = const (); // scope 0 at $DIR/aggregate.rs:+0:11: +3:2
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StorageDead(_1); // scope 0 at $DIR/aggregate.rs:+3:1: +3:2
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return; // scope 0 at $DIR/aggregate.rs:+3:2: +3:2
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}
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}
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@ -2,9 +2,11 @@
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fn main() -> () {
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let mut _0: (); // return place in scope 0 at $DIR/aggregate.rs:+0:11: +0:11
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let _1: i32; // in scope 0 at $DIR/aggregate.rs:+1:9: +1:10
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let mut _2: i32; // in scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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let mut _3: (i32, i32, i32); // in scope 0 at $DIR/aggregate.rs:+1:13: +1:22
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let _1: u8; // in scope 0 at $DIR/aggregate.rs:+1:9: +1:10
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let mut _2: u8; // in scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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let mut _3: (i32, u8, i32); // in scope 0 at $DIR/aggregate.rs:+1:13: +1:22
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let _4: (); // in scope 0 at $DIR/aggregate.rs:+2:5: +2:11
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let mut _5: u8; // in scope 0 at $DIR/aggregate.rs:+2:9: +2:10
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scope 1 {
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debug x => _1; // in scope 1 at $DIR/aggregate.rs:+1:9: +1:10
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}
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@ -13,13 +15,25 @@ fn main() -> () {
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StorageLive(_1); // scope 0 at $DIR/aggregate.rs:+1:9: +1:10
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StorageLive(_2); // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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StorageLive(_3); // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
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_3 = (const 0_i32, const 1_i32, const 2_i32); // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
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_2 = const 1_i32; // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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_1 = const 1_i32; // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
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_3 = (const 0_i32, const 1_u8, const 2_i32); // scope 0 at $DIR/aggregate.rs:+1:13: +1:22
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_2 = const 1_u8; // scope 0 at $DIR/aggregate.rs:+1:13: +1:24
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_1 = const 1_u8; // scope 0 at $DIR/aggregate.rs:+1:13: +1:28
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StorageDead(_2); // scope 0 at $DIR/aggregate.rs:+1:27: +1:28
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StorageDead(_3); // scope 0 at $DIR/aggregate.rs:+1:28: +1:29
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_0 = const (); // scope 0 at $DIR/aggregate.rs:+0:11: +2:2
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StorageDead(_1); // scope 0 at $DIR/aggregate.rs:+2:1: +2:2
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return; // scope 0 at $DIR/aggregate.rs:+2:2: +2:2
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StorageLive(_4); // scope 1 at $DIR/aggregate.rs:+2:5: +2:11
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StorageLive(_5); // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
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_5 = const 1_u8; // scope 1 at $DIR/aggregate.rs:+2:9: +2:10
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_4 = foo(move _5) -> bb1; // scope 1 at $DIR/aggregate.rs:+2:5: +2:11
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// mir::Constant
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// + span: $DIR/aggregate.rs:8:5: 8:8
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// + literal: Const { ty: fn(u8) {foo}, val: Value(<ZST>) }
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}
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bb1: {
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StorageDead(_5); // scope 1 at $DIR/aggregate.rs:+2:10: +2:11
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StorageDead(_4); // scope 1 at $DIR/aggregate.rs:+2:11: +2:12
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_0 = const (); // scope 0 at $DIR/aggregate.rs:+0:11: +3:2
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StorageDead(_1); // scope 0 at $DIR/aggregate.rs:+3:1: +3:2
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return; // scope 0 at $DIR/aggregate.rs:+3:2: +3:2
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}
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}
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@ -5,4 +5,13 @@
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// EMIT_MIR aggregate.main.PreCodegen.after.mir
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fn main() {
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let x = (0, 1, 2).1 + 0;
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foo(x);
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}
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// EMIT_MIR aggregate.foo.ConstProp.diff
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// EMIT_MIR aggregate.foo.PreCodegen.after.mir
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fn foo(x: u8) {
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// Verify that we still propagate if part of the aggregate is not known.
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let first = (0, x).0 + 1;
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let second = (x, 1).1 + 2;
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}
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