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Don't bother to save a block

This commit is contained in:
Nadrieril 2024-02-16 02:57:24 +01:00
parent 4316d0c625
commit c00b38e9fb
16 changed files with 425 additions and 313 deletions

View file

@ -1226,10 +1226,6 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
if let Some(last_otherwise_block) = otherwise_block { if let Some(last_otherwise_block) = otherwise_block {
last_otherwise_block last_otherwise_block
} else { } else {
// Any remaining candidates are unreachable.
if unmatched_candidates.is_empty() {
return;
}
self.cfg.start_new_block() self.cfg.start_new_block()
} }
} else { } else {

View file

@ -27,13 +27,13 @@ fn main() -> () {
StorageLive(_5); StorageLive(_5);
PlaceMention(_1); PlaceMention(_1);
_6 = discriminant(_1); _6 = discriminant(_1);
switchInt(move _6) -> [1: bb5, otherwise: bb4]; switchInt(move _6) -> [1: bb6, otherwise: bb4];
} }
bb1: { bb1: {
StorageLive(_3); StorageLive(_3);
StorageLive(_4); StorageLive(_4);
_4 = begin_panic::<&str>(const "explicit panic") -> bb8; _4 = begin_panic::<&str>(const "explicit panic") -> bb10;
} }
bb2: { bb2: {
@ -48,14 +48,22 @@ fn main() -> () {
} }
bb4: { bb4: {
goto -> bb7; goto -> bb9;
} }
bb5: { bb5: {
falseEdge -> [real: bb6, imaginary: bb4]; goto -> bb3;
} }
bb6: { bb6: {
falseEdge -> [real: bb8, imaginary: bb4];
}
bb7: {
goto -> bb4;
}
bb8: {
_5 = ((_1 as Some).0: u8); _5 = ((_1 as Some).0: u8);
_0 = const (); _0 = const ();
StorageDead(_5); StorageDead(_5);
@ -63,12 +71,12 @@ fn main() -> () {
return; return;
} }
bb7: { bb9: {
StorageDead(_5); StorageDead(_5);
goto -> bb1; goto -> bb1;
} }
bb8 (cleanup): { bb10 (cleanup): {
resume; resume;
} }
} }

View file

@ -17,7 +17,7 @@ fn main() -> () {
} }
bb1: { bb1: {
falseUnwind -> [real: bb2, unwind: bb12]; falseUnwind -> [real: bb2, unwind: bb14];
} }
bb2: { bb2: {
@ -25,7 +25,7 @@ fn main() -> () {
StorageLive(_3); StorageLive(_3);
_3 = const true; _3 = const true;
PlaceMention(_3); PlaceMention(_3);
switchInt(_3) -> [0: bb4, otherwise: bb5]; switchInt(_3) -> [0: bb4, otherwise: bb6];
} }
bb3: { bb3: {
@ -34,37 +34,45 @@ fn main() -> () {
} }
bb4: { bb4: {
falseEdge -> [real: bb6, imaginary: bb5]; falseEdge -> [real: bb8, imaginary: bb6];
} }
bb5: { bb5: {
_0 = const (); goto -> bb3;
goto -> bb11;
} }
bb6: { bb6: {
_2 = const 4_i32; _0 = const ();
goto -> bb9; goto -> bb13;
} }
bb7: { bb7: {
unreachable; goto -> bb3;
} }
bb8: { bb8: {
goto -> bb9; _2 = const 4_i32;
goto -> bb11;
} }
bb9: { bb9: {
unreachable;
}
bb10: {
goto -> bb11;
}
bb11: {
FakeRead(ForLet(None), _2); FakeRead(ForLet(None), _2);
StorageDead(_3); StorageDead(_3);
StorageLive(_5); StorageLive(_5);
StorageLive(_6); StorageLive(_6);
_6 = &_2; _6 = &_2;
_5 = std::mem::drop::<&i32>(move _6) -> [return: bb10, unwind: bb12]; _5 = std::mem::drop::<&i32>(move _6) -> [return: bb12, unwind: bb14];
} }
bb10: { bb12: {
StorageDead(_6); StorageDead(_6);
StorageDead(_5); StorageDead(_5);
_1 = const (); _1 = const ();
@ -72,13 +80,13 @@ fn main() -> () {
goto -> bb1; goto -> bb1;
} }
bb11: { bb13: {
StorageDead(_3); StorageDead(_3);
StorageDead(_2); StorageDead(_2);
return; return;
} }
bb12 (cleanup): { bb14 (cleanup): {
resume; resume;
} }
} }

View file

@ -19,13 +19,13 @@ fn test_complex() -> () {
bb0: { bb0: {
StorageLive(_1); StorageLive(_1);
StorageLive(_2); StorageLive(_2);
_2 = E::f() -> [return: bb1, unwind: bb33]; _2 = E::f() -> [return: bb1, unwind: bb37];
} }
bb1: { bb1: {
PlaceMention(_2); PlaceMention(_2);
_3 = discriminant(_2); _3 = discriminant(_2);
switchInt(move _3) -> [0: bb4, otherwise: bb3]; switchInt(move _3) -> [0: bb5, otherwise: bb3];
} }
bb2: { bb2: {
@ -34,163 +34,179 @@ fn test_complex() -> () {
} }
bb3: { bb3: {
goto -> bb20; goto -> bb22;
} }
bb4: { bb4: {
falseEdge -> [real: bb5, imaginary: bb3]; goto -> bb2;
} }
bb5: { bb5: {
StorageLive(_4); falseEdge -> [real: bb7, imaginary: bb3];
_4 = always_true() -> [return: bb6, unwind: bb33];
} }
bb6: { bb6: {
switchInt(move _4) -> [0: bb8, otherwise: bb7]; goto -> bb3;
} }
bb7: { bb7: {
StorageLive(_4);
_4 = always_true() -> [return: bb8, unwind: bb37];
}
bb8: {
switchInt(move _4) -> [0: bb10, otherwise: bb9];
}
bb9: {
StorageLive(_5); StorageLive(_5);
StorageLive(_6); StorageLive(_6);
StorageLive(_7); StorageLive(_7);
_7 = Droppy(const 0_u8); _7 = Droppy(const 0_u8);
_6 = (_7.0: u8); _6 = (_7.0: u8);
_5 = Gt(move _6, const 0_u8); _5 = Gt(move _6, const 0_u8);
switchInt(move _5) -> [0: bb10, otherwise: bb9]; switchInt(move _5) -> [0: bb12, otherwise: bb11];
}
bb8: {
goto -> bb14;
}
bb9: {
drop(_7) -> [return: bb11, unwind: bb33];
} }
bb10: { bb10: {
goto -> bb12; goto -> bb16;
} }
bb11: { bb11: {
StorageDead(_7); drop(_7) -> [return: bb13, unwind: bb37];
StorageDead(_6);
goto -> bb17;
} }
bb12: { bb12: {
drop(_7) -> [return: bb13, unwind: bb33]; goto -> bb14;
} }
bb13: { bb13: {
StorageDead(_7); StorageDead(_7);
StorageDead(_6); StorageDead(_6);
goto -> bb14; goto -> bb19;
} }
bb14: { bb14: {
drop(_7) -> [return: bb15, unwind: bb37];
}
bb15: {
StorageDead(_7);
StorageDead(_6);
goto -> bb16;
}
bb16: {
StorageLive(_8); StorageLive(_8);
StorageLive(_9); StorageLive(_9);
StorageLive(_10); StorageLive(_10);
_10 = Droppy(const 1_u8); _10 = Droppy(const 1_u8);
_9 = (_10.0: u8); _9 = (_10.0: u8);
_8 = Gt(move _9, const 1_u8); _8 = Gt(move _9, const 1_u8);
switchInt(move _8) -> [0: bb16, otherwise: bb15]; switchInt(move _8) -> [0: bb18, otherwise: bb17];
}
bb15: {
drop(_10) -> [return: bb17, unwind: bb33];
}
bb16: {
goto -> bb18;
} }
bb17: { bb17: {
StorageDead(_10); drop(_10) -> [return: bb19, unwind: bb37];
StorageDead(_9);
_1 = const ();
goto -> bb21;
} }
bb18: { bb18: {
drop(_10) -> [return: bb19, unwind: bb33]; goto -> bb20;
} }
bb19: { bb19: {
StorageDead(_10); StorageDead(_10);
StorageDead(_9); StorageDead(_9);
goto -> bb20; _1 = const ();
goto -> bb23;
} }
bb20: { bb20: {
_1 = const (); drop(_10) -> [return: bb21, unwind: bb37];
goto -> bb21;
} }
bb21: { bb21: {
StorageDead(_10);
StorageDead(_9);
goto -> bb22;
}
bb22: {
_1 = const ();
goto -> bb23;
}
bb23: {
StorageDead(_8); StorageDead(_8);
StorageDead(_5); StorageDead(_5);
StorageDead(_4); StorageDead(_4);
StorageDead(_2); StorageDead(_2);
StorageDead(_1); StorageDead(_1);
StorageLive(_11); StorageLive(_11);
_11 = always_true() -> [return: bb22, unwind: bb33]; _11 = always_true() -> [return: bb24, unwind: bb37];
}
bb22: {
switchInt(move _11) -> [0: bb24, otherwise: bb23];
}
bb23: {
goto -> bb31;
} }
bb24: { bb24: {
goto -> bb25; switchInt(move _11) -> [0: bb26, otherwise: bb25];
} }
bb25: { bb25: {
StorageLive(_12); goto -> bb35;
_12 = E::f() -> [return: bb26, unwind: bb33];
} }
bb26: { bb26: {
PlaceMention(_12); goto -> bb27;
_13 = discriminant(_12);
switchInt(move _13) -> [1: bb29, otherwise: bb28];
} }
bb27: { bb27: {
StorageLive(_12);
_12 = E::f() -> [return: bb28, unwind: bb37];
}
bb28: {
PlaceMention(_12);
_13 = discriminant(_12);
switchInt(move _13) -> [1: bb32, otherwise: bb30];
}
bb29: {
FakeRead(ForMatchedPlace(None), _12); FakeRead(ForMatchedPlace(None), _12);
unreachable; unreachable;
} }
bb28: {
goto -> bb31;
}
bb29: {
falseEdge -> [real: bb30, imaginary: bb28];
}
bb30: { bb30: {
_0 = const (); goto -> bb35;
goto -> bb32;
} }
bb31: { bb31: {
_0 = const (); goto -> bb29;
goto -> bb32;
} }
bb32: { bb32: {
falseEdge -> [real: bb34, imaginary: bb30];
}
bb33: {
goto -> bb30;
}
bb34: {
_0 = const ();
goto -> bb36;
}
bb35: {
_0 = const ();
goto -> bb36;
}
bb36: {
StorageDead(_11); StorageDead(_11);
StorageDead(_12); StorageDead(_12);
return; return;
} }
bb33 (cleanup): { bb37 (cleanup): {
resume; resume;
} }
} }

View file

@ -28,7 +28,7 @@ fn full_tested_match() -> () {
_2 = Option::<i32>::Some(const 42_i32); _2 = Option::<i32>::Some(const 42_i32);
PlaceMention(_2); PlaceMention(_2);
_3 = discriminant(_2); _3 = discriminant(_2);
switchInt(move _3) -> [0: bb2, 1: bb3, otherwise: bb1]; switchInt(move _3) -> [0: bb2, 1: bb4, otherwise: bb1];
} }
bb1: { bb1: {
@ -38,30 +38,38 @@ fn full_tested_match() -> () {
bb2: { bb2: {
_1 = (const 3_i32, const 3_i32); _1 = (const 3_i32, const 3_i32);
goto -> bb11; goto -> bb13;
} }
bb3: { bb3: {
falseEdge -> [real: bb5, imaginary: bb4]; goto -> bb1;
} }
bb4: { bb4: {
falseEdge -> [real: bb10, imaginary: bb2]; falseEdge -> [real: bb7, imaginary: bb5];
} }
bb5: { bb5: {
falseEdge -> [real: bb12, imaginary: bb2];
}
bb6: {
goto -> bb1;
}
bb7: {
StorageLive(_6); StorageLive(_6);
_6 = &((_2 as Some).0: i32); _6 = &((_2 as Some).0: i32);
_4 = &fake _2; _4 = &fake _2;
StorageLive(_7); StorageLive(_7);
_7 = guard() -> [return: bb6, unwind: bb13]; _7 = guard() -> [return: bb8, unwind: bb16];
} }
bb6: { bb8: {
switchInt(move _7) -> [0: bb8, otherwise: bb7]; switchInt(move _7) -> [0: bb10, otherwise: bb9];
} }
bb7: { bb9: {
StorageDead(_7); StorageDead(_7);
FakeRead(ForMatchGuard, _4); FakeRead(ForMatchGuard, _4);
FakeRead(ForGuardBinding, _6); FakeRead(ForGuardBinding, _6);
@ -73,20 +81,20 @@ fn full_tested_match() -> () {
StorageDead(_8); StorageDead(_8);
StorageDead(_5); StorageDead(_5);
StorageDead(_6); StorageDead(_6);
goto -> bb11; goto -> bb13;
}
bb8: {
goto -> bb9;
}
bb9: {
StorageDead(_7);
StorageDead(_6);
goto -> bb4;
} }
bb10: { bb10: {
goto -> bb11;
}
bb11: {
StorageDead(_7);
StorageDead(_6);
goto -> bb5;
}
bb12: {
StorageLive(_9); StorageLive(_9);
_9 = ((_2 as Some).0: i32); _9 = ((_2 as Some).0: i32);
StorageLive(_10); StorageLive(_10);
@ -94,10 +102,10 @@ fn full_tested_match() -> () {
_1 = (const 2_i32, move _10); _1 = (const 2_i32, move _10);
StorageDead(_10); StorageDead(_10);
StorageDead(_9); StorageDead(_9);
goto -> bb11; goto -> bb13;
} }
bb11: { bb13: {
PlaceMention(_1); PlaceMention(_1);
StorageDead(_2); StorageDead(_2);
StorageDead(_1); StorageDead(_1);
@ -105,12 +113,16 @@ fn full_tested_match() -> () {
return; return;
} }
bb12: { bb14: {
FakeRead(ForMatchedPlace(None), _1); FakeRead(ForMatchedPlace(None), _1);
unreachable; unreachable;
} }
bb13 (cleanup): { bb15: {
goto -> bb14;
}
bb16 (cleanup): {
resume; resume;
} }
} }

View file

@ -28,7 +28,7 @@ fn full_tested_match2() -> () {
_2 = Option::<i32>::Some(const 42_i32); _2 = Option::<i32>::Some(const 42_i32);
PlaceMention(_2); PlaceMention(_2);
_3 = discriminant(_2); _3 = discriminant(_2);
switchInt(move _3) -> [0: bb2, 1: bb3, otherwise: bb1]; switchInt(move _3) -> [0: bb2, 1: bb4, otherwise: bb1];
} }
bb1: { bb1: {
@ -37,14 +37,18 @@ fn full_tested_match2() -> () {
} }
bb2: { bb2: {
falseEdge -> [real: bb10, imaginary: bb4]; falseEdge -> [real: bb12, imaginary: bb5];
} }
bb3: { bb3: {
falseEdge -> [real: bb5, imaginary: bb2]; goto -> bb1;
} }
bb4: { bb4: {
falseEdge -> [real: bb7, imaginary: bb2];
}
bb5: {
StorageLive(_9); StorageLive(_9);
_9 = ((_2 as Some).0: i32); _9 = ((_2 as Some).0: i32);
StorageLive(_10); StorageLive(_10);
@ -52,22 +56,26 @@ fn full_tested_match2() -> () {
_1 = (const 2_i32, move _10); _1 = (const 2_i32, move _10);
StorageDead(_10); StorageDead(_10);
StorageDead(_9); StorageDead(_9);
goto -> bb11; goto -> bb13;
} }
bb5: { bb6: {
goto -> bb1;
}
bb7: {
StorageLive(_6); StorageLive(_6);
_6 = &((_2 as Some).0: i32); _6 = &((_2 as Some).0: i32);
_4 = &fake _2; _4 = &fake _2;
StorageLive(_7); StorageLive(_7);
_7 = guard() -> [return: bb6, unwind: bb13]; _7 = guard() -> [return: bb8, unwind: bb16];
} }
bb6: { bb8: {
switchInt(move _7) -> [0: bb8, otherwise: bb7]; switchInt(move _7) -> [0: bb10, otherwise: bb9];
} }
bb7: { bb9: {
StorageDead(_7); StorageDead(_7);
FakeRead(ForMatchGuard, _4); FakeRead(ForMatchGuard, _4);
FakeRead(ForGuardBinding, _6); FakeRead(ForGuardBinding, _6);
@ -79,25 +87,25 @@ fn full_tested_match2() -> () {
StorageDead(_8); StorageDead(_8);
StorageDead(_5); StorageDead(_5);
StorageDead(_6); StorageDead(_6);
goto -> bb11; goto -> bb13;
}
bb8: {
goto -> bb9;
}
bb9: {
StorageDead(_7);
StorageDead(_6);
falseEdge -> [real: bb4, imaginary: bb2];
} }
bb10: { bb10: {
_1 = (const 3_i32, const 3_i32);
goto -> bb11; goto -> bb11;
} }
bb11: { bb11: {
StorageDead(_7);
StorageDead(_6);
falseEdge -> [real: bb5, imaginary: bb2];
}
bb12: {
_1 = (const 3_i32, const 3_i32);
goto -> bb13;
}
bb13: {
PlaceMention(_1); PlaceMention(_1);
StorageDead(_2); StorageDead(_2);
StorageDead(_1); StorageDead(_1);
@ -105,12 +113,16 @@ fn full_tested_match2() -> () {
return; return;
} }
bb12: { bb14: {
FakeRead(ForMatchedPlace(None), _1); FakeRead(ForMatchedPlace(None), _1);
unreachable; unreachable;
} }
bb13 (cleanup): { bb15: {
goto -> bb14;
}
bb16 (cleanup): {
resume; resume;
} }
} }

View file

@ -39,7 +39,7 @@ fn main() -> () {
_2 = Option::<i32>::Some(const 1_i32); _2 = Option::<i32>::Some(const 1_i32);
PlaceMention(_2); PlaceMention(_2);
_4 = discriminant(_2); _4 = discriminant(_2);
switchInt(move _4) -> [1: bb7, otherwise: bb2]; switchInt(move _4) -> [1: bb8, otherwise: bb2];
} }
bb1: { bb1: {
@ -48,12 +48,12 @@ fn main() -> () {
} }
bb2: { bb2: {
falseEdge -> [real: bb14, imaginary: bb5]; falseEdge -> [real: bb15, imaginary: bb6];
} }
bb3: { bb3: {
_3 = discriminant(_2); _3 = discriminant(_2);
switchInt(move _3) -> [1: bb5, otherwise: bb4]; switchInt(move _3) -> [1: bb6, otherwise: bb4];
} }
bb4: { bb4: {
@ -61,38 +61,42 @@ fn main() -> () {
_14 = _2; _14 = _2;
_1 = const 4_i32; _1 = const 4_i32;
StorageDead(_14); StorageDead(_14);
goto -> bb20; goto -> bb21;
} }
bb5: { bb5: {
falseEdge -> [real: bb15, imaginary: bb4]; goto -> bb1;
} }
bb6: { bb6: {
goto -> bb4; falseEdge -> [real: bb16, imaginary: bb4];
} }
bb7: { bb7: {
falseEdge -> [real: bb9, imaginary: bb2]; goto -> bb4;
} }
bb8: { bb8: {
goto -> bb2; falseEdge -> [real: bb10, imaginary: bb2];
} }
bb9: { bb9: {
goto -> bb2;
}
bb10: {
StorageLive(_7); StorageLive(_7);
_7 = &((_2 as Some).0: i32); _7 = &((_2 as Some).0: i32);
_5 = &fake _2; _5 = &fake _2;
StorageLive(_8); StorageLive(_8);
_8 = guard() -> [return: bb10, unwind: bb22]; _8 = guard() -> [return: bb11, unwind: bb24];
}
bb10: {
switchInt(move _8) -> [0: bb12, otherwise: bb11];
} }
bb11: { bb11: {
switchInt(move _8) -> [0: bb13, otherwise: bb12];
}
bb12: {
StorageDead(_8); StorageDead(_8);
FakeRead(ForMatchGuard, _5); FakeRead(ForMatchGuard, _5);
FakeRead(ForGuardBinding, _7); FakeRead(ForGuardBinding, _7);
@ -101,42 +105,42 @@ fn main() -> () {
_1 = const 1_i32; _1 = const 1_i32;
StorageDead(_6); StorageDead(_6);
StorageDead(_7); StorageDead(_7);
goto -> bb20; goto -> bb21;
}
bb12: {
goto -> bb13;
} }
bb13: { bb13: {
StorageDead(_8); goto -> bb14;
StorageDead(_7);
falseEdge -> [real: bb8, imaginary: bb2];
} }
bb14: { bb14: {
StorageDead(_8);
StorageDead(_7);
falseEdge -> [real: bb9, imaginary: bb2];
}
bb15: {
StorageLive(_9); StorageLive(_9);
_9 = _2; _9 = _2;
_1 = const 2_i32; _1 = const 2_i32;
StorageDead(_9); StorageDead(_9);
goto -> bb20; goto -> bb21;
} }
bb15: { bb16: {
StorageLive(_11); StorageLive(_11);
_11 = &((_2 as Some).0: i32); _11 = &((_2 as Some).0: i32);
_5 = &fake _2; _5 = &fake _2;
StorageLive(_12); StorageLive(_12);
StorageLive(_13); StorageLive(_13);
_13 = (*_11); _13 = (*_11);
_12 = guard2(move _13) -> [return: bb16, unwind: bb22]; _12 = guard2(move _13) -> [return: bb17, unwind: bb24];
}
bb16: {
switchInt(move _12) -> [0: bb18, otherwise: bb17];
} }
bb17: { bb17: {
switchInt(move _12) -> [0: bb19, otherwise: bb18];
}
bb18: {
StorageDead(_13); StorageDead(_13);
StorageDead(_12); StorageDead(_12);
FakeRead(ForMatchGuard, _5); FakeRead(ForMatchGuard, _5);
@ -146,21 +150,21 @@ fn main() -> () {
_1 = const 3_i32; _1 = const 3_i32;
StorageDead(_10); StorageDead(_10);
StorageDead(_11); StorageDead(_11);
goto -> bb20; goto -> bb21;
}
bb18: {
goto -> bb19;
} }
bb19: { bb19: {
StorageDead(_13); goto -> bb20;
StorageDead(_12);
StorageDead(_11);
falseEdge -> [real: bb6, imaginary: bb4];
} }
bb20: { bb20: {
StorageDead(_13);
StorageDead(_12);
StorageDead(_11);
falseEdge -> [real: bb7, imaginary: bb4];
}
bb21: {
PlaceMention(_1); PlaceMention(_1);
StorageDead(_2); StorageDead(_2);
StorageDead(_1); StorageDead(_1);
@ -168,12 +172,16 @@ fn main() -> () {
return; return;
} }
bb21: { bb22: {
FakeRead(ForMatchedPlace(None), _1); FakeRead(ForMatchedPlace(None), _1);
unreachable; unreachable;
} }
bb22 (cleanup): { bb23: {
goto -> bb22;
}
bb24 (cleanup): {
resume; resume;
} }
} }

View file

@ -6,7 +6,7 @@ fn match_bool(_1: bool) -> usize {
bb0: { bb0: {
PlaceMention(_1); PlaceMention(_1);
switchInt(_1) -> [0: bb2, otherwise: bb3]; switchInt(_1) -> [0: bb2, otherwise: bb4];
} }
bb1: { bb1: {
@ -16,19 +16,27 @@ fn match_bool(_1: bool) -> usize {
bb2: { bb2: {
_0 = const 20_usize; _0 = const 20_usize;
goto -> bb5; goto -> bb7;
} }
bb3: { bb3: {
falseEdge -> [real: bb4, imaginary: bb2]; goto -> bb1;
} }
bb4: { bb4: {
_0 = const 10_usize; falseEdge -> [real: bb6, imaginary: bb2];
goto -> bb5;
} }
bb5: { bb5: {
goto -> bb2;
}
bb6: {
_0 = const 10_usize;
goto -> bb7;
}
bb7: {
return; return;
} }
} }

View file

@ -30,7 +30,7 @@ fn move_out_by_subslice() -> () {
StorageLive(_2); StorageLive(_2);
_3 = SizeOf(i32); _3 = SizeOf(i32);
_4 = AlignOf(i32); _4 = AlignOf(i32);
_5 = alloc::alloc::exchange_malloc(move _3, move _4) -> [return: bb1, unwind: bb13]; _5 = alloc::alloc::exchange_malloc(move _3, move _4) -> [return: bb1, unwind: bb14];
} }
bb1: { bb1: {
@ -38,7 +38,7 @@ fn move_out_by_subslice() -> () {
_6 = ShallowInitBox(move _5, i32); _6 = ShallowInitBox(move _5, i32);
(*_6) = const 1_i32; (*_6) = const 1_i32;
_2 = move _6; _2 = move _6;
drop(_6) -> [return: bb2, unwind: bb12]; drop(_6) -> [return: bb2, unwind: bb13];
} }
bb2: { bb2: {
@ -46,7 +46,7 @@ fn move_out_by_subslice() -> () {
StorageLive(_7); StorageLive(_7);
_8 = SizeOf(i32); _8 = SizeOf(i32);
_9 = AlignOf(i32); _9 = AlignOf(i32);
_10 = alloc::alloc::exchange_malloc(move _8, move _9) -> [return: bb3, unwind: bb12]; _10 = alloc::alloc::exchange_malloc(move _8, move _9) -> [return: bb3, unwind: bb13];
} }
bb3: { bb3: {
@ -54,18 +54,18 @@ fn move_out_by_subslice() -> () {
_11 = ShallowInitBox(move _10, i32); _11 = ShallowInitBox(move _10, i32);
(*_11) = const 2_i32; (*_11) = const 2_i32;
_7 = move _11; _7 = move _11;
drop(_11) -> [return: bb4, unwind: bb11]; drop(_11) -> [return: bb4, unwind: bb12];
} }
bb4: { bb4: {
StorageDead(_11); StorageDead(_11);
_1 = [move _2, move _7]; _1 = [move _2, move _7];
drop(_7) -> [return: bb5, unwind: bb12]; drop(_7) -> [return: bb5, unwind: bb13];
} }
bb5: { bb5: {
StorageDead(_7); StorageDead(_7);
drop(_2) -> [return: bb6, unwind: bb13]; drop(_2) -> [return: bb6, unwind: bb14];
} }
bb6: { bb6: {
@ -75,7 +75,7 @@ fn move_out_by_subslice() -> () {
StorageLive(_12); StorageLive(_12);
_12 = move _1[0..2]; _12 = move _1[0..2];
_0 = const (); _0 = const ();
drop(_12) -> [return: bb8, unwind: bb10]; drop(_12) -> [return: bb9, unwind: bb11];
} }
bb7: { bb7: {
@ -84,28 +84,32 @@ fn move_out_by_subslice() -> () {
} }
bb8: { bb8: {
StorageDead(_12); goto -> bb7;
drop(_1) -> [return: bb9, unwind: bb13];
} }
bb9: { bb9: {
StorageDead(_12);
drop(_1) -> [return: bb10, unwind: bb14];
}
bb10: {
StorageDead(_1); StorageDead(_1);
return; return;
} }
bb10 (cleanup): {
drop(_1) -> [return: bb13, unwind terminate(cleanup)];
}
bb11 (cleanup): { bb11 (cleanup): {
drop(_7) -> [return: bb12, unwind terminate(cleanup)]; drop(_1) -> [return: bb14, unwind terminate(cleanup)];
} }
bb12 (cleanup): { bb12 (cleanup): {
drop(_2) -> [return: bb13, unwind terminate(cleanup)]; drop(_7) -> [return: bb13, unwind terminate(cleanup)];
} }
bb13 (cleanup): { bb13 (cleanup): {
drop(_2) -> [return: bb14, unwind terminate(cleanup)];
}
bb14 (cleanup): {
resume; resume;
} }
} }

View file

@ -30,7 +30,7 @@ fn move_out_from_end() -> () {
StorageLive(_2); StorageLive(_2);
_3 = SizeOf(i32); _3 = SizeOf(i32);
_4 = AlignOf(i32); _4 = AlignOf(i32);
_5 = alloc::alloc::exchange_malloc(move _3, move _4) -> [return: bb1, unwind: bb13]; _5 = alloc::alloc::exchange_malloc(move _3, move _4) -> [return: bb1, unwind: bb14];
} }
bb1: { bb1: {
@ -38,7 +38,7 @@ fn move_out_from_end() -> () {
_6 = ShallowInitBox(move _5, i32); _6 = ShallowInitBox(move _5, i32);
(*_6) = const 1_i32; (*_6) = const 1_i32;
_2 = move _6; _2 = move _6;
drop(_6) -> [return: bb2, unwind: bb12]; drop(_6) -> [return: bb2, unwind: bb13];
} }
bb2: { bb2: {
@ -46,7 +46,7 @@ fn move_out_from_end() -> () {
StorageLive(_7); StorageLive(_7);
_8 = SizeOf(i32); _8 = SizeOf(i32);
_9 = AlignOf(i32); _9 = AlignOf(i32);
_10 = alloc::alloc::exchange_malloc(move _8, move _9) -> [return: bb3, unwind: bb12]; _10 = alloc::alloc::exchange_malloc(move _8, move _9) -> [return: bb3, unwind: bb13];
} }
bb3: { bb3: {
@ -54,18 +54,18 @@ fn move_out_from_end() -> () {
_11 = ShallowInitBox(move _10, i32); _11 = ShallowInitBox(move _10, i32);
(*_11) = const 2_i32; (*_11) = const 2_i32;
_7 = move _11; _7 = move _11;
drop(_11) -> [return: bb4, unwind: bb11]; drop(_11) -> [return: bb4, unwind: bb12];
} }
bb4: { bb4: {
StorageDead(_11); StorageDead(_11);
_1 = [move _2, move _7]; _1 = [move _2, move _7];
drop(_7) -> [return: bb5, unwind: bb12]; drop(_7) -> [return: bb5, unwind: bb13];
} }
bb5: { bb5: {
StorageDead(_7); StorageDead(_7);
drop(_2) -> [return: bb6, unwind: bb13]; drop(_2) -> [return: bb6, unwind: bb14];
} }
bb6: { bb6: {
@ -75,7 +75,7 @@ fn move_out_from_end() -> () {
StorageLive(_12); StorageLive(_12);
_12 = move _1[1 of 2]; _12 = move _1[1 of 2];
_0 = const (); _0 = const ();
drop(_12) -> [return: bb8, unwind: bb10]; drop(_12) -> [return: bb9, unwind: bb11];
} }
bb7: { bb7: {
@ -84,28 +84,32 @@ fn move_out_from_end() -> () {
} }
bb8: { bb8: {
StorageDead(_12); goto -> bb7;
drop(_1) -> [return: bb9, unwind: bb13];
} }
bb9: { bb9: {
StorageDead(_12);
drop(_1) -> [return: bb10, unwind: bb14];
}
bb10: {
StorageDead(_1); StorageDead(_1);
return; return;
} }
bb10 (cleanup): {
drop(_1) -> [return: bb13, unwind terminate(cleanup)];
}
bb11 (cleanup): { bb11 (cleanup): {
drop(_7) -> [return: bb12, unwind terminate(cleanup)]; drop(_1) -> [return: bb14, unwind terminate(cleanup)];
} }
bb12 (cleanup): { bb12 (cleanup): {
drop(_2) -> [return: bb13, unwind terminate(cleanup)]; drop(_7) -> [return: bb13, unwind terminate(cleanup)];
} }
bb13 (cleanup): { bb13 (cleanup): {
drop(_2) -> [return: bb14, unwind terminate(cleanup)];
}
bb14 (cleanup): {
resume; resume;
} }
} }

View file

@ -19,4 +19,8 @@ fn bar(_1: [(Never, u32); 1]) -> u32 {
FakeRead(ForMatchedPlace(None), _1); FakeRead(ForMatchedPlace(None), _1);
unreachable; unreachable;
} }
bb2: {
goto -> bb1;
}
} }

View file

@ -22,7 +22,7 @@ fn main() -> () {
bb0: { bb0: {
StorageLive(_1); StorageLive(_1);
_1 = std::mem::size_of::<Foo>() -> [return: bb1, unwind: bb5]; _1 = std::mem::size_of::<Foo>() -> [return: bb1, unwind: bb7];
} }
bb1: { bb1: {
@ -42,7 +42,7 @@ fn main() -> () {
_6 = const 0_usize; _6 = const 0_usize;
_7 = Len(_2); _7 = Len(_2);
_8 = Lt(_6, _7); _8 = Lt(_6, _7);
assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb3, unwind: bb5]; assert(move _8, "index out of bounds: the length is {} but the index is {}", move _7, _6) -> [success: bb4, unwind: bb7];
} }
bb2: { bb2: {
@ -51,6 +51,10 @@ fn main() -> () {
} }
bb3: { bb3: {
goto -> bb2;
}
bb4: {
_5 = (_2[_6].0: u64); _5 = (_2[_6].0: u64);
PlaceMention(_5); PlaceMention(_5);
StorageDead(_6); StorageDead(_6);
@ -60,12 +64,16 @@ fn main() -> () {
return; return;
} }
bb4: { bb5: {
FakeRead(ForMatchedPlace(None), _5); FakeRead(ForMatchedPlace(None), _5);
unreachable; unreachable;
} }
bb5 (cleanup): { bb6: {
goto -> bb5;
}
bb7 (cleanup): {
resume; resume;
} }
} }

View file

@ -12,7 +12,7 @@ fn bar(_1: Box<[T]>) -> () {
StorageLive(_2); StorageLive(_2);
StorageLive(_3); StorageLive(_3);
_3 = &(*_1); _3 = &(*_1);
_2 = <[T] as Index<usize>>::index(move _3, const 0_usize) -> [return: bb1, unwind: bb4]; _2 = <[T] as Index<usize>>::index(move _3, const 0_usize) -> [return: bb1, unwind: bb5];
} }
bb1: { bb1: {
@ -20,7 +20,7 @@ fn bar(_1: Box<[T]>) -> () {
PlaceMention((*_2)); PlaceMention((*_2));
StorageDead(_2); StorageDead(_2);
_0 = const (); _0 = const ();
drop(_1) -> [return: bb3, unwind: bb5]; drop(_1) -> [return: bb4, unwind: bb6];
} }
bb2: { bb2: {
@ -29,14 +29,18 @@ fn bar(_1: Box<[T]>) -> () {
} }
bb3: { bb3: {
goto -> bb2;
}
bb4: {
return; return;
} }
bb4 (cleanup): { bb5 (cleanup): {
drop(_1) -> [return: bb5, unwind terminate(cleanup)]; drop(_1) -> [return: bb6, unwind terminate(cleanup)];
} }
bb5 (cleanup): { bb6 (cleanup): {
resume; resume;
} }
} }

View file

@ -14,7 +14,7 @@ fn hey(_1: &[T]) -> () {
StorageLive(_3); StorageLive(_3);
StorageLive(_4); StorageLive(_4);
_4 = &(*_1); _4 = &(*_1);
_3 = <[T] as Index<usize>>::index(move _4, const 0_usize) -> [return: bb1, unwind: bb3]; _3 = <[T] as Index<usize>>::index(move _4, const 0_usize) -> [return: bb1, unwind: bb4];
} }
bb1: { bb1: {
@ -32,7 +32,11 @@ fn hey(_1: &[T]) -> () {
unreachable; unreachable;
} }
bb3 (cleanup): { bb3: {
goto -> bb2;
}
bb4 (cleanup): {
resume; resume;
} }
} }

View file

@ -67,7 +67,7 @@ fn main() -> () {
StorageLive(_2); StorageLive(_2);
StorageLive(_3); StorageLive(_3);
StorageLive(_4); StorageLive(_4);
_4 = function_with_bytes::<&*b"AAAA">() -> [return: bb1, unwind: bb23]; _4 = function_with_bytes::<&*b"AAAA">() -> [return: bb1, unwind: bb25];
} }
bb1: { bb1: {
@ -91,7 +91,7 @@ fn main() -> () {
_11 = &(*_8); _11 = &(*_8);
StorageLive(_12); StorageLive(_12);
_12 = &(*_9); _12 = &(*_9);
_10 = <&[u8] as PartialEq<&[u8; 4]>>::eq(move _11, move _12) -> [return: bb3, unwind: bb23]; _10 = <&[u8] as PartialEq<&[u8; 4]>>::eq(move _11, move _12) -> [return: bb4, unwind: bb25];
} }
bb2: { bb2: {
@ -100,20 +100,24 @@ fn main() -> () {
} }
bb3: { bb3: {
switchInt(move _10) -> [0: bb5, otherwise: bb4]; goto -> bb2;
} }
bb4: { bb4: {
StorageDead(_12); switchInt(move _10) -> [0: bb6, otherwise: bb5];
StorageDead(_11);
goto -> bb9;
} }
bb5: { bb5: {
goto -> bb6; StorageDead(_12);
StorageDead(_11);
goto -> bb10;
} }
bb6: { bb6: {
goto -> bb7;
}
bb7: {
StorageDead(_12); StorageDead(_12);
StorageDead(_11); StorageDead(_11);
StorageLive(_14); StorageLive(_14);
@ -132,10 +136,10 @@ fn main() -> () {
_19 = &(*_20); _19 = &(*_20);
StorageLive(_21); StorageLive(_21);
_21 = Option::<Arguments<'_>>::None; _21 = Option::<Arguments<'_>>::None;
_15 = core::panicking::assert_failed::<&[u8], &[u8; 4]>(move _16, move _17, move _19, move _21) -> bb23; _15 = core::panicking::assert_failed::<&[u8], &[u8; 4]>(move _16, move _17, move _19, move _21) -> bb25;
} }
bb7: { bb8: {
StorageDead(_21); StorageDead(_21);
StorageDead(_19); StorageDead(_19);
StorageDead(_17); StorageDead(_17);
@ -147,23 +151,23 @@ fn main() -> () {
unreachable; unreachable;
} }
bb8: {
goto -> bb10;
}
bb9: { bb9: {
_1 = const (); goto -> bb11;
goto -> bb10;
} }
bb10: { bb10: {
StorageDead(_10); _1 = const ();
StorageDead(_9);
StorageDead(_8);
goto -> bb11; goto -> bb11;
} }
bb11: { bb11: {
StorageDead(_10);
StorageDead(_9);
StorageDead(_8);
goto -> bb12;
}
bb12: {
StorageDead(_7); StorageDead(_7);
StorageDead(_6); StorageDead(_6);
StorageDead(_4); StorageDead(_4);
@ -173,10 +177,10 @@ fn main() -> () {
StorageLive(_23); StorageLive(_23);
StorageLive(_24); StorageLive(_24);
StorageLive(_25); StorageLive(_25);
_25 = function_with_bytes::<&*b"AAAA">() -> [return: bb12, unwind: bb23]; _25 = function_with_bytes::<&*b"AAAA">() -> [return: bb13, unwind: bb25];
} }
bb12: { bb13: {
_24 = &_25; _24 = &_25;
StorageLive(_26); StorageLive(_26);
StorageLive(_27); StorageLive(_27);
@ -195,29 +199,33 @@ fn main() -> () {
_31 = &(*_28); _31 = &(*_28);
StorageLive(_32); StorageLive(_32);
_32 = &(*_29); _32 = &(*_29);
_30 = <&[u8] as PartialEq<&[u8; 4]>>::eq(move _31, move _32) -> [return: bb14, unwind: bb23]; _30 = <&[u8] as PartialEq<&[u8; 4]>>::eq(move _31, move _32) -> [return: bb16, unwind: bb25];
} }
bb13: { bb14: {
FakeRead(ForMatchedPlace(None), _23); FakeRead(ForMatchedPlace(None), _23);
unreachable; unreachable;
} }
bb14: {
switchInt(move _30) -> [0: bb16, otherwise: bb15];
}
bb15: { bb15: {
StorageDead(_32); goto -> bb14;
StorageDead(_31);
goto -> bb20;
} }
bb16: { bb16: {
goto -> bb17; switchInt(move _30) -> [0: bb18, otherwise: bb17];
} }
bb17: { bb17: {
StorageDead(_32);
StorageDead(_31);
goto -> bb22;
}
bb18: {
goto -> bb19;
}
bb19: {
StorageDead(_32); StorageDead(_32);
StorageDead(_31); StorageDead(_31);
StorageLive(_34); StorageLive(_34);
@ -236,10 +244,10 @@ fn main() -> () {
_39 = &(*_40); _39 = &(*_40);
StorageLive(_41); StorageLive(_41);
_41 = Option::<Arguments<'_>>::None; _41 = Option::<Arguments<'_>>::None;
_35 = core::panicking::assert_failed::<&[u8], &[u8; 4]>(move _36, move _37, move _39, move _41) -> bb23; _35 = core::panicking::assert_failed::<&[u8], &[u8; 4]>(move _36, move _37, move _39, move _41) -> bb25;
} }
bb18: { bb20: {
StorageDead(_41); StorageDead(_41);
StorageDead(_39); StorageDead(_39);
StorageDead(_37); StorageDead(_37);
@ -251,23 +259,23 @@ fn main() -> () {
unreachable; unreachable;
} }
bb19: {
goto -> bb21;
}
bb20: {
_22 = const ();
goto -> bb21;
}
bb21: { bb21: {
StorageDead(_30); goto -> bb23;
StorageDead(_29);
StorageDead(_28);
goto -> bb22;
} }
bb22: { bb22: {
_22 = const ();
goto -> bb23;
}
bb23: {
StorageDead(_30);
StorageDead(_29);
StorageDead(_28);
goto -> bb24;
}
bb24: {
StorageDead(_27); StorageDead(_27);
StorageDead(_25); StorageDead(_25);
StorageDead(_23); StorageDead(_23);
@ -276,7 +284,7 @@ fn main() -> () {
return; return;
} }
bb23 (cleanup): { bb25 (cleanup): {
resume; resume;
} }
} }

View file

@ -67,7 +67,7 @@ fn main() -> () {
StorageLive(_2); StorageLive(_2);
StorageLive(_3); StorageLive(_3);
StorageLive(_4); StorageLive(_4);
_4 = function_with_bytes::<&*b"AAAA">() -> [return: bb1, unwind: bb23]; _4 = function_with_bytes::<&*b"AAAA">() -> [return: bb1, unwind: bb25];
} }
bb1: { bb1: {
@ -91,7 +91,7 @@ fn main() -> () {
_11 = &(*_8); _11 = &(*_8);
StorageLive(_12); StorageLive(_12);
_12 = &(*_9); _12 = &(*_9);
_10 = <&[u8] as PartialEq<&[u8; 4]>>::eq(move _11, move _12) -> [return: bb3, unwind: bb23]; _10 = <&[u8] as PartialEq<&[u8; 4]>>::eq(move _11, move _12) -> [return: bb4, unwind: bb25];
} }
bb2: { bb2: {
@ -100,20 +100,24 @@ fn main() -> () {
} }
bb3: { bb3: {
switchInt(move _10) -> [0: bb5, otherwise: bb4]; goto -> bb2;
} }
bb4: { bb4: {
StorageDead(_12); switchInt(move _10) -> [0: bb6, otherwise: bb5];
StorageDead(_11);
goto -> bb9;
} }
bb5: { bb5: {
goto -> bb6; StorageDead(_12);
StorageDead(_11);
goto -> bb10;
} }
bb6: { bb6: {
goto -> bb7;
}
bb7: {
StorageDead(_12); StorageDead(_12);
StorageDead(_11); StorageDead(_11);
StorageLive(_14); StorageLive(_14);
@ -132,10 +136,10 @@ fn main() -> () {
_19 = &(*_20); _19 = &(*_20);
StorageLive(_21); StorageLive(_21);
_21 = Option::<Arguments<'_>>::None; _21 = Option::<Arguments<'_>>::None;
_15 = core::panicking::assert_failed::<&[u8], &[u8; 4]>(move _16, move _17, move _19, move _21) -> bb23; _15 = core::panicking::assert_failed::<&[u8], &[u8; 4]>(move _16, move _17, move _19, move _21) -> bb25;
} }
bb7: { bb8: {
StorageDead(_21); StorageDead(_21);
StorageDead(_19); StorageDead(_19);
StorageDead(_17); StorageDead(_17);
@ -147,23 +151,23 @@ fn main() -> () {
unreachable; unreachable;
} }
bb8: {
goto -> bb10;
}
bb9: { bb9: {
_1 = const (); goto -> bb11;
goto -> bb10;
} }
bb10: { bb10: {
StorageDead(_10); _1 = const ();
StorageDead(_9);
StorageDead(_8);
goto -> bb11; goto -> bb11;
} }
bb11: { bb11: {
StorageDead(_10);
StorageDead(_9);
StorageDead(_8);
goto -> bb12;
}
bb12: {
StorageDead(_7); StorageDead(_7);
StorageDead(_6); StorageDead(_6);
StorageDead(_4); StorageDead(_4);
@ -173,10 +177,10 @@ fn main() -> () {
StorageLive(_23); StorageLive(_23);
StorageLive(_24); StorageLive(_24);
StorageLive(_25); StorageLive(_25);
_25 = function_with_bytes::<&*b"AAAA">() -> [return: bb12, unwind: bb23]; _25 = function_with_bytes::<&*b"AAAA">() -> [return: bb13, unwind: bb25];
} }
bb12: { bb13: {
_24 = &_25; _24 = &_25;
StorageLive(_26); StorageLive(_26);
StorageLive(_27); StorageLive(_27);
@ -195,29 +199,33 @@ fn main() -> () {
_31 = &(*_28); _31 = &(*_28);
StorageLive(_32); StorageLive(_32);
_32 = &(*_29); _32 = &(*_29);
_30 = <&[u8] as PartialEq<&[u8; 4]>>::eq(move _31, move _32) -> [return: bb14, unwind: bb23]; _30 = <&[u8] as PartialEq<&[u8; 4]>>::eq(move _31, move _32) -> [return: bb16, unwind: bb25];
} }
bb13: { bb14: {
FakeRead(ForMatchedPlace(None), _23); FakeRead(ForMatchedPlace(None), _23);
unreachable; unreachable;
} }
bb14: {
switchInt(move _30) -> [0: bb16, otherwise: bb15];
}
bb15: { bb15: {
StorageDead(_32); goto -> bb14;
StorageDead(_31);
goto -> bb20;
} }
bb16: { bb16: {
goto -> bb17; switchInt(move _30) -> [0: bb18, otherwise: bb17];
} }
bb17: { bb17: {
StorageDead(_32);
StorageDead(_31);
goto -> bb22;
}
bb18: {
goto -> bb19;
}
bb19: {
StorageDead(_32); StorageDead(_32);
StorageDead(_31); StorageDead(_31);
StorageLive(_34); StorageLive(_34);
@ -236,10 +244,10 @@ fn main() -> () {
_39 = &(*_40); _39 = &(*_40);
StorageLive(_41); StorageLive(_41);
_41 = Option::<Arguments<'_>>::None; _41 = Option::<Arguments<'_>>::None;
_35 = core::panicking::assert_failed::<&[u8], &[u8; 4]>(move _36, move _37, move _39, move _41) -> bb23; _35 = core::panicking::assert_failed::<&[u8], &[u8; 4]>(move _36, move _37, move _39, move _41) -> bb25;
} }
bb18: { bb20: {
StorageDead(_41); StorageDead(_41);
StorageDead(_39); StorageDead(_39);
StorageDead(_37); StorageDead(_37);
@ -251,23 +259,23 @@ fn main() -> () {
unreachable; unreachable;
} }
bb19: {
goto -> bb21;
}
bb20: {
_22 = const ();
goto -> bb21;
}
bb21: { bb21: {
StorageDead(_30); goto -> bb23;
StorageDead(_29);
StorageDead(_28);
goto -> bb22;
} }
bb22: { bb22: {
_22 = const ();
goto -> bb23;
}
bb23: {
StorageDead(_30);
StorageDead(_29);
StorageDead(_28);
goto -> bb24;
}
bb24: {
StorageDead(_27); StorageDead(_27);
StorageDead(_25); StorageDead(_25);
StorageDead(_23); StorageDead(_23);
@ -276,7 +284,7 @@ fn main() -> () {
return; return;
} }
bb23 (cleanup): { bb25 (cleanup): {
resume; resume;
} }
} }