diff --git a/tests/mir-opt/pre-codegen/chained_comparison.bitand.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/chained_comparison.bitand.PreCodegen.after.mir new file mode 100644 index 00000000000..40ddf82f4cf --- /dev/null +++ b/tests/mir-opt/pre-codegen/chained_comparison.bitand.PreCodegen.after.mir @@ -0,0 +1,84 @@ +// MIR for `bitand` after PreCodegen + +fn bitand(_1: &Blueprint, _2: &Blueprint) -> bool { + debug a => _1; // in scope 0 at $DIR/chained_comparison.rs:+0:15: +0:16 + debug b => _2; // in scope 0 at $DIR/chained_comparison.rs:+0:30: +0:31 + let mut _0: bool; // return place in scope 0 at $DIR/chained_comparison.rs:+0:48: +0:52 + let mut _3: u32; // in scope 0 at $DIR/chained_comparison.rs:+1:6: +1:22 + let mut _4: u32; // in scope 0 at $DIR/chained_comparison.rs:+1:26: +1:42 + let mut _5: bool; // in scope 0 at $DIR/chained_comparison.rs:+1:5: +1:43 + let mut _6: u32; // in scope 0 at $DIR/chained_comparison.rs:+2:12: +2:21 + let mut _7: u32; // in scope 0 at $DIR/chained_comparison.rs:+2:25: +2:34 + let mut _8: bool; // in scope 0 at $DIR/chained_comparison.rs:+2:11: +2:35 + let mut _9: bool; // in scope 0 at $DIR/chained_comparison.rs:+1:5: +2:35 + let mut _10: u32; // in scope 0 at $DIR/chained_comparison.rs:+3:12: +3:28 + let mut _11: u32; // in scope 0 at $DIR/chained_comparison.rs:+3:32: +3:48 + let mut _12: bool; // in scope 0 at $DIR/chained_comparison.rs:+3:11: +3:49 + let mut _13: bool; // in scope 0 at $DIR/chained_comparison.rs:+1:5: +3:49 + let mut _14: u32; // in scope 0 at $DIR/chained_comparison.rs:+4:12: +4:25 + let mut _15: u32; // in scope 0 at $DIR/chained_comparison.rs:+4:29: +4:42 + let mut _16: bool; // in scope 0 at $DIR/chained_comparison.rs:+4:11: +4:43 + let mut _17: bool; // in scope 0 at $DIR/chained_comparison.rs:+1:5: +4:43 + let mut _18: u32; // in scope 0 at $DIR/chained_comparison.rs:+5:12: +5:21 + let mut _19: u32; // in scope 0 at $DIR/chained_comparison.rs:+5:25: +5:34 + let mut _20: bool; // in scope 0 at $DIR/chained_comparison.rs:+5:11: +5:35 + + bb0: { + StorageLive(_17); // scope 0 at $DIR/chained_comparison.rs:+1:5: +4:43 + StorageLive(_13); // scope 0 at $DIR/chained_comparison.rs:+1:5: +3:49 + StorageLive(_9); // scope 0 at $DIR/chained_comparison.rs:+1:5: +2:35 + StorageLive(_5); // scope 0 at $DIR/chained_comparison.rs:+1:5: +1:43 + StorageLive(_3); // scope 0 at $DIR/chained_comparison.rs:+1:6: +1:22 + _3 = ((*_1).0: u32); // scope 0 at $DIR/chained_comparison.rs:+1:6: +1:22 + StorageLive(_4); // scope 0 at $DIR/chained_comparison.rs:+1:26: +1:42 + _4 = ((*_2).0: u32); // scope 0 at $DIR/chained_comparison.rs:+1:26: +1:42 + _5 = Eq(move _3, move _4); // scope 0 at $DIR/chained_comparison.rs:+1:5: +1:43 + StorageDead(_4); // scope 0 at $DIR/chained_comparison.rs:+1:42: +1:43 + StorageDead(_3); // scope 0 at $DIR/chained_comparison.rs:+1:42: +1:43 + StorageLive(_8); // scope 0 at $DIR/chained_comparison.rs:+2:11: +2:35 + StorageLive(_6); // scope 0 at $DIR/chained_comparison.rs:+2:12: +2:21 + _6 = ((*_1).1: u32); // scope 0 at $DIR/chained_comparison.rs:+2:12: +2:21 + StorageLive(_7); // scope 0 at $DIR/chained_comparison.rs:+2:25: +2:34 + _7 = ((*_2).1: u32); // scope 0 at $DIR/chained_comparison.rs:+2:25: +2:34 + _8 = Eq(move _6, move _7); // scope 0 at $DIR/chained_comparison.rs:+2:11: +2:35 + StorageDead(_7); // scope 0 at $DIR/chained_comparison.rs:+2:34: +2:35 + StorageDead(_6); // scope 0 at $DIR/chained_comparison.rs:+2:34: +2:35 + _9 = BitAnd(move _5, move _8); // scope 0 at $DIR/chained_comparison.rs:+1:5: +2:35 + StorageDead(_8); // scope 0 at $DIR/chained_comparison.rs:+2:34: +2:35 + StorageDead(_5); // scope 0 at $DIR/chained_comparison.rs:+2:34: +2:35 + StorageLive(_12); // scope 0 at $DIR/chained_comparison.rs:+3:11: +3:49 + StorageLive(_10); // scope 0 at $DIR/chained_comparison.rs:+3:12: +3:28 + _10 = ((*_1).2: u32); // scope 0 at $DIR/chained_comparison.rs:+3:12: +3:28 + StorageLive(_11); // scope 0 at $DIR/chained_comparison.rs:+3:32: +3:48 + _11 = ((*_2).2: u32); // scope 0 at $DIR/chained_comparison.rs:+3:32: +3:48 + _12 = Eq(move _10, move _11); // scope 0 at $DIR/chained_comparison.rs:+3:11: +3:49 + StorageDead(_11); // scope 0 at $DIR/chained_comparison.rs:+3:48: +3:49 + StorageDead(_10); // scope 0 at $DIR/chained_comparison.rs:+3:48: +3:49 + _13 = BitAnd(move _9, move _12); // scope 0 at $DIR/chained_comparison.rs:+1:5: +3:49 + StorageDead(_12); // scope 0 at $DIR/chained_comparison.rs:+3:48: +3:49 + StorageDead(_9); // scope 0 at $DIR/chained_comparison.rs:+3:48: +3:49 + StorageLive(_16); // scope 0 at $DIR/chained_comparison.rs:+4:11: +4:43 + StorageLive(_14); // scope 0 at $DIR/chained_comparison.rs:+4:12: +4:25 + _14 = ((*_1).3: u32); // scope 0 at $DIR/chained_comparison.rs:+4:12: +4:25 + StorageLive(_15); // scope 0 at $DIR/chained_comparison.rs:+4:29: +4:42 + _15 = ((*_2).3: u32); // scope 0 at $DIR/chained_comparison.rs:+4:29: +4:42 + _16 = Eq(move _14, move _15); // scope 0 at $DIR/chained_comparison.rs:+4:11: +4:43 + StorageDead(_15); // scope 0 at $DIR/chained_comparison.rs:+4:42: +4:43 + StorageDead(_14); // scope 0 at $DIR/chained_comparison.rs:+4:42: +4:43 + _17 = BitAnd(move _13, move _16); // scope 0 at $DIR/chained_comparison.rs:+1:5: +4:43 + StorageDead(_16); // scope 0 at $DIR/chained_comparison.rs:+4:42: +4:43 + StorageDead(_13); // scope 0 at $DIR/chained_comparison.rs:+4:42: +4:43 + StorageLive(_20); // scope 0 at $DIR/chained_comparison.rs:+5:11: +5:35 + StorageLive(_18); // scope 0 at $DIR/chained_comparison.rs:+5:12: +5:21 + _18 = ((*_1).4: u32); // scope 0 at $DIR/chained_comparison.rs:+5:12: +5:21 + StorageLive(_19); // scope 0 at $DIR/chained_comparison.rs:+5:25: +5:34 + _19 = ((*_2).4: u32); // scope 0 at $DIR/chained_comparison.rs:+5:25: +5:34 + _20 = Eq(move _18, move _19); // scope 0 at $DIR/chained_comparison.rs:+5:11: +5:35 + StorageDead(_19); // scope 0 at $DIR/chained_comparison.rs:+5:34: +5:35 + StorageDead(_18); // scope 0 at $DIR/chained_comparison.rs:+5:34: +5:35 + _0 = BitAnd(move _17, move _20); // scope 0 at $DIR/chained_comparison.rs:+1:5: +5:35 + StorageDead(_20); // scope 0 at $DIR/chained_comparison.rs:+5:34: +5:35 + StorageDead(_17); // scope 0 at $DIR/chained_comparison.rs:+5:34: +5:35 + return; // scope 0 at $DIR/chained_comparison.rs:+6:2: +6:2 + } +} diff --git a/tests/mir-opt/pre-codegen/chained_comparison.naive.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/chained_comparison.naive.PreCodegen.after.mir new file mode 100644 index 00000000000..837962a6aa3 --- /dev/null +++ b/tests/mir-opt/pre-codegen/chained_comparison.naive.PreCodegen.after.mir @@ -0,0 +1,136 @@ +// MIR for `naive` after PreCodegen + +fn naive(_1: &Blueprint, _2: &Blueprint) -> bool { + debug a => _1; // in scope 0 at $DIR/chained_comparison.rs:+0:14: +0:15 + debug b => _2; // in scope 0 at $DIR/chained_comparison.rs:+0:29: +0:30 + let mut _0: bool; // return place in scope 0 at $DIR/chained_comparison.rs:+0:47: +0:51 + let mut _3: u32; // in scope 0 at $DIR/chained_comparison.rs:+1:6: +1:22 + let mut _4: u32; // in scope 0 at $DIR/chained_comparison.rs:+1:26: +1:42 + let mut _5: bool; // in scope 0 at $DIR/chained_comparison.rs:+1:5: +1:43 + let mut _6: bool; // in scope 0 at $DIR/chained_comparison.rs:+1:5: +2:36 + let mut _7: u32; // in scope 0 at $DIR/chained_comparison.rs:+2:13: +2:22 + let mut _8: u32; // in scope 0 at $DIR/chained_comparison.rs:+2:26: +2:35 + let mut _9: bool; // in scope 0 at $DIR/chained_comparison.rs:+2:12: +2:36 + let mut _10: bool; // in scope 0 at $DIR/chained_comparison.rs:+1:5: +3:50 + let mut _11: u32; // in scope 0 at $DIR/chained_comparison.rs:+3:13: +3:29 + let mut _12: u32; // in scope 0 at $DIR/chained_comparison.rs:+3:33: +3:49 + let mut _13: bool; // in scope 0 at $DIR/chained_comparison.rs:+3:12: +3:50 + let mut _14: bool; // in scope 0 at $DIR/chained_comparison.rs:+1:5: +4:44 + let mut _15: u32; // in scope 0 at $DIR/chained_comparison.rs:+4:13: +4:26 + let mut _16: u32; // in scope 0 at $DIR/chained_comparison.rs:+4:30: +4:43 + let mut _17: bool; // in scope 0 at $DIR/chained_comparison.rs:+4:12: +4:44 + let mut _18: u32; // in scope 0 at $DIR/chained_comparison.rs:+5:13: +5:22 + let mut _19: u32; // in scope 0 at $DIR/chained_comparison.rs:+5:26: +5:35 + let mut _20: bool; // in scope 0 at $DIR/chained_comparison.rs:+5:12: +5:36 + + bb0: { + StorageLive(_14); // scope 0 at $DIR/chained_comparison.rs:+1:5: +4:44 + StorageLive(_10); // scope 0 at $DIR/chained_comparison.rs:+1:5: +3:50 + StorageLive(_6); // scope 0 at $DIR/chained_comparison.rs:+1:5: +2:36 + StorageLive(_5); // scope 0 at $DIR/chained_comparison.rs:+1:5: +1:43 + StorageLive(_3); // scope 0 at $DIR/chained_comparison.rs:+1:6: +1:22 + _3 = ((*_1).0: u32); // scope 0 at $DIR/chained_comparison.rs:+1:6: +1:22 + StorageLive(_4); // scope 0 at $DIR/chained_comparison.rs:+1:26: +1:42 + _4 = ((*_2).0: u32); // scope 0 at $DIR/chained_comparison.rs:+1:26: +1:42 + _5 = Eq(move _3, move _4); // scope 0 at $DIR/chained_comparison.rs:+1:5: +1:43 + StorageDead(_4); // scope 0 at $DIR/chained_comparison.rs:+1:42: +1:43 + StorageDead(_3); // scope 0 at $DIR/chained_comparison.rs:+1:42: +1:43 + switchInt(move _5) -> [0: bb1, otherwise: bb2]; // scope 0 at $DIR/chained_comparison.rs:+1:5: +2:36 + } + + bb1: { + _6 = const false; // scope 0 at $DIR/chained_comparison.rs:+1:5: +2:36 + goto -> bb3; // scope 0 at $DIR/chained_comparison.rs:+1:5: +2:36 + } + + bb2: { + StorageLive(_9); // scope 0 at $DIR/chained_comparison.rs:+2:12: +2:36 + StorageLive(_7); // scope 0 at $DIR/chained_comparison.rs:+2:13: +2:22 + _7 = ((*_1).1: u32); // scope 0 at $DIR/chained_comparison.rs:+2:13: +2:22 + StorageLive(_8); // scope 0 at $DIR/chained_comparison.rs:+2:26: +2:35 + _8 = ((*_2).1: u32); // scope 0 at $DIR/chained_comparison.rs:+2:26: +2:35 + _9 = Eq(move _7, move _8); // scope 0 at $DIR/chained_comparison.rs:+2:12: +2:36 + StorageDead(_8); // scope 0 at $DIR/chained_comparison.rs:+2:35: +2:36 + StorageDead(_7); // scope 0 at $DIR/chained_comparison.rs:+2:35: +2:36 + _6 = move _9; // scope 0 at $DIR/chained_comparison.rs:+1:5: +2:36 + goto -> bb3; // scope 0 at $DIR/chained_comparison.rs:+1:5: +2:36 + } + + bb3: { + StorageDead(_9); // scope 0 at $DIR/chained_comparison.rs:+2:35: +2:36 + StorageDead(_5); // scope 0 at $DIR/chained_comparison.rs:+2:35: +2:36 + switchInt(move _6) -> [0: bb4, otherwise: bb5]; // scope 0 at $DIR/chained_comparison.rs:+1:5: +3:50 + } + + bb4: { + _10 = const false; // scope 0 at $DIR/chained_comparison.rs:+1:5: +3:50 + goto -> bb6; // scope 0 at $DIR/chained_comparison.rs:+1:5: +3:50 + } + + bb5: { + StorageLive(_13); // scope 0 at $DIR/chained_comparison.rs:+3:12: +3:50 + StorageLive(_11); // scope 0 at $DIR/chained_comparison.rs:+3:13: +3:29 + _11 = ((*_1).2: u32); // scope 0 at $DIR/chained_comparison.rs:+3:13: +3:29 + StorageLive(_12); // scope 0 at $DIR/chained_comparison.rs:+3:33: +3:49 + _12 = ((*_2).2: u32); // scope 0 at $DIR/chained_comparison.rs:+3:33: +3:49 + _13 = Eq(move _11, move _12); // scope 0 at $DIR/chained_comparison.rs:+3:12: +3:50 + StorageDead(_12); // scope 0 at $DIR/chained_comparison.rs:+3:49: +3:50 + StorageDead(_11); // scope 0 at $DIR/chained_comparison.rs:+3:49: +3:50 + _10 = move _13; // scope 0 at $DIR/chained_comparison.rs:+1:5: +3:50 + goto -> bb6; // scope 0 at $DIR/chained_comparison.rs:+1:5: +3:50 + } + + bb6: { + StorageDead(_13); // scope 0 at $DIR/chained_comparison.rs:+3:49: +3:50 + StorageDead(_6); // scope 0 at $DIR/chained_comparison.rs:+3:49: +3:50 + switchInt(move _10) -> [0: bb7, otherwise: bb8]; // scope 0 at $DIR/chained_comparison.rs:+1:5: +4:44 + } + + bb7: { + _14 = const false; // scope 0 at $DIR/chained_comparison.rs:+1:5: +4:44 + goto -> bb9; // scope 0 at $DIR/chained_comparison.rs:+1:5: +4:44 + } + + bb8: { + StorageLive(_17); // scope 0 at $DIR/chained_comparison.rs:+4:12: +4:44 + StorageLive(_15); // scope 0 at $DIR/chained_comparison.rs:+4:13: +4:26 + _15 = ((*_1).3: u32); // scope 0 at $DIR/chained_comparison.rs:+4:13: +4:26 + StorageLive(_16); // scope 0 at $DIR/chained_comparison.rs:+4:30: +4:43 + _16 = ((*_2).3: u32); // scope 0 at $DIR/chained_comparison.rs:+4:30: +4:43 + _17 = Eq(move _15, move _16); // scope 0 at $DIR/chained_comparison.rs:+4:12: +4:44 + StorageDead(_16); // scope 0 at $DIR/chained_comparison.rs:+4:43: +4:44 + StorageDead(_15); // scope 0 at $DIR/chained_comparison.rs:+4:43: +4:44 + _14 = move _17; // scope 0 at $DIR/chained_comparison.rs:+1:5: +4:44 + goto -> bb9; // scope 0 at $DIR/chained_comparison.rs:+1:5: +4:44 + } + + bb9: { + StorageDead(_17); // scope 0 at $DIR/chained_comparison.rs:+4:43: +4:44 + StorageDead(_10); // scope 0 at $DIR/chained_comparison.rs:+4:43: +4:44 + switchInt(move _14) -> [0: bb10, otherwise: bb11]; // scope 0 at $DIR/chained_comparison.rs:+1:5: +5:36 + } + + bb10: { + _0 = const false; // scope 0 at $DIR/chained_comparison.rs:+1:5: +5:36 + goto -> bb12; // scope 0 at $DIR/chained_comparison.rs:+1:5: +5:36 + } + + bb11: { + StorageLive(_20); // scope 0 at $DIR/chained_comparison.rs:+5:12: +5:36 + StorageLive(_18); // scope 0 at $DIR/chained_comparison.rs:+5:13: +5:22 + _18 = ((*_1).4: u32); // scope 0 at $DIR/chained_comparison.rs:+5:13: +5:22 + StorageLive(_19); // scope 0 at $DIR/chained_comparison.rs:+5:26: +5:35 + _19 = ((*_2).4: u32); // scope 0 at $DIR/chained_comparison.rs:+5:26: +5:35 + _20 = Eq(move _18, move _19); // scope 0 at $DIR/chained_comparison.rs:+5:12: +5:36 + StorageDead(_19); // scope 0 at $DIR/chained_comparison.rs:+5:35: +5:36 + StorageDead(_18); // scope 0 at $DIR/chained_comparison.rs:+5:35: +5:36 + _0 = move _20; // scope 0 at $DIR/chained_comparison.rs:+1:5: +5:36 + goto -> bb12; // scope 0 at $DIR/chained_comparison.rs:+1:5: +5:36 + } + + bb12: { + StorageDead(_20); // scope 0 at $DIR/chained_comparison.rs:+5:35: +5:36 + StorageDead(_14); // scope 0 at $DIR/chained_comparison.rs:+5:35: +5:36 + return; // scope 0 at $DIR/chained_comparison.rs:+6:2: +6:2 + } +} diff --git a/tests/mir-opt/pre-codegen/chained_comparison.returning.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/chained_comparison.returning.PreCodegen.after.mir new file mode 100644 index 00000000000..7560e1e26ce --- /dev/null +++ b/tests/mir-opt/pre-codegen/chained_comparison.returning.PreCodegen.after.mir @@ -0,0 +1,126 @@ +// MIR for `returning` after PreCodegen + +fn returning(_1: &Blueprint, _2: &Blueprint) -> bool { + debug a => _1; // in scope 0 at $DIR/chained_comparison.rs:+0:18: +0:19 + debug b => _2; // in scope 0 at $DIR/chained_comparison.rs:+0:33: +0:34 + let mut _0: bool; // return place in scope 0 at $DIR/chained_comparison.rs:+0:51: +0:55 + let mut _3: u32; // in scope 0 at $DIR/chained_comparison.rs:+1:8: +1:24 + let mut _4: u32; // in scope 0 at $DIR/chained_comparison.rs:+1:28: +1:44 + let mut _5: bool; // in scope 0 at $DIR/chained_comparison.rs:+1:8: +1:44 + let mut _6: u32; // in scope 0 at $DIR/chained_comparison.rs:+4:8: +4:17 + let mut _7: u32; // in scope 0 at $DIR/chained_comparison.rs:+4:21: +4:30 + let mut _8: bool; // in scope 0 at $DIR/chained_comparison.rs:+4:8: +4:30 + let mut _9: u32; // in scope 0 at $DIR/chained_comparison.rs:+7:8: +7:24 + let mut _10: u32; // in scope 0 at $DIR/chained_comparison.rs:+7:28: +7:44 + let mut _11: bool; // in scope 0 at $DIR/chained_comparison.rs:+7:8: +7:44 + let mut _12: u32; // in scope 0 at $DIR/chained_comparison.rs:+10:8: +10:21 + let mut _13: u32; // in scope 0 at $DIR/chained_comparison.rs:+10:25: +10:38 + let mut _14: bool; // in scope 0 at $DIR/chained_comparison.rs:+10:8: +10:38 + let mut _15: u32; // in scope 0 at $DIR/chained_comparison.rs:+13:8: +13:17 + let mut _16: u32; // in scope 0 at $DIR/chained_comparison.rs:+13:21: +13:30 + let mut _17: bool; // in scope 0 at $DIR/chained_comparison.rs:+13:8: +13:30 + + bb0: { + StorageLive(_5); // scope 0 at $DIR/chained_comparison.rs:+1:8: +1:44 + StorageLive(_3); // scope 0 at $DIR/chained_comparison.rs:+1:8: +1:24 + _3 = ((*_1).0: u32); // scope 0 at $DIR/chained_comparison.rs:+1:8: +1:24 + StorageLive(_4); // scope 0 at $DIR/chained_comparison.rs:+1:28: +1:44 + _4 = ((*_2).0: u32); // scope 0 at $DIR/chained_comparison.rs:+1:28: +1:44 + _5 = Ne(move _3, move _4); // scope 0 at $DIR/chained_comparison.rs:+1:8: +1:44 + StorageDead(_4); // scope 0 at $DIR/chained_comparison.rs:+1:43: +1:44 + StorageDead(_3); // scope 0 at $DIR/chained_comparison.rs:+1:43: +1:44 + switchInt(move _5) -> [0: bb1, otherwise: bb10]; // scope 0 at $DIR/chained_comparison.rs:+1:8: +1:44 + } + + bb1: { + StorageDead(_5); // scope 0 at $DIR/chained_comparison.rs:+3:5: +3:6 + StorageLive(_8); // scope 0 at $DIR/chained_comparison.rs:+4:8: +4:30 + StorageLive(_6); // scope 0 at $DIR/chained_comparison.rs:+4:8: +4:17 + _6 = ((*_1).1: u32); // scope 0 at $DIR/chained_comparison.rs:+4:8: +4:17 + StorageLive(_7); // scope 0 at $DIR/chained_comparison.rs:+4:21: +4:30 + _7 = ((*_2).1: u32); // scope 0 at $DIR/chained_comparison.rs:+4:21: +4:30 + _8 = Ne(move _6, move _7); // scope 0 at $DIR/chained_comparison.rs:+4:8: +4:30 + StorageDead(_7); // scope 0 at $DIR/chained_comparison.rs:+4:29: +4:30 + StorageDead(_6); // scope 0 at $DIR/chained_comparison.rs:+4:29: +4:30 + switchInt(move _8) -> [0: bb2, otherwise: bb9]; // scope 0 at $DIR/chained_comparison.rs:+4:8: +4:30 + } + + bb2: { + StorageDead(_8); // scope 0 at $DIR/chained_comparison.rs:+6:5: +6:6 + StorageLive(_11); // scope 0 at $DIR/chained_comparison.rs:+7:8: +7:44 + StorageLive(_9); // scope 0 at $DIR/chained_comparison.rs:+7:8: +7:24 + _9 = ((*_1).2: u32); // scope 0 at $DIR/chained_comparison.rs:+7:8: +7:24 + StorageLive(_10); // scope 0 at $DIR/chained_comparison.rs:+7:28: +7:44 + _10 = ((*_2).2: u32); // scope 0 at $DIR/chained_comparison.rs:+7:28: +7:44 + _11 = Ne(move _9, move _10); // scope 0 at $DIR/chained_comparison.rs:+7:8: +7:44 + StorageDead(_10); // scope 0 at $DIR/chained_comparison.rs:+7:43: +7:44 + StorageDead(_9); // scope 0 at $DIR/chained_comparison.rs:+7:43: +7:44 + switchInt(move _11) -> [0: bb3, otherwise: bb8]; // scope 0 at $DIR/chained_comparison.rs:+7:8: +7:44 + } + + bb3: { + StorageDead(_11); // scope 0 at $DIR/chained_comparison.rs:+9:5: +9:6 + StorageLive(_14); // scope 0 at $DIR/chained_comparison.rs:+10:8: +10:38 + StorageLive(_12); // scope 0 at $DIR/chained_comparison.rs:+10:8: +10:21 + _12 = ((*_1).3: u32); // scope 0 at $DIR/chained_comparison.rs:+10:8: +10:21 + StorageLive(_13); // scope 0 at $DIR/chained_comparison.rs:+10:25: +10:38 + _13 = ((*_2).3: u32); // scope 0 at $DIR/chained_comparison.rs:+10:25: +10:38 + _14 = Ne(move _12, move _13); // scope 0 at $DIR/chained_comparison.rs:+10:8: +10:38 + StorageDead(_13); // scope 0 at $DIR/chained_comparison.rs:+10:37: +10:38 + StorageDead(_12); // scope 0 at $DIR/chained_comparison.rs:+10:37: +10:38 + switchInt(move _14) -> [0: bb4, otherwise: bb7]; // scope 0 at $DIR/chained_comparison.rs:+10:8: +10:38 + } + + bb4: { + StorageDead(_14); // scope 0 at $DIR/chained_comparison.rs:+12:5: +12:6 + StorageLive(_17); // scope 0 at $DIR/chained_comparison.rs:+13:8: +13:30 + StorageLive(_15); // scope 0 at $DIR/chained_comparison.rs:+13:8: +13:17 + _15 = ((*_1).4: u32); // scope 0 at $DIR/chained_comparison.rs:+13:8: +13:17 + StorageLive(_16); // scope 0 at $DIR/chained_comparison.rs:+13:21: +13:30 + _16 = ((*_2).4: u32); // scope 0 at $DIR/chained_comparison.rs:+13:21: +13:30 + _17 = Ne(move _15, move _16); // scope 0 at $DIR/chained_comparison.rs:+13:8: +13:30 + StorageDead(_16); // scope 0 at $DIR/chained_comparison.rs:+13:29: +13:30 + StorageDead(_15); // scope 0 at $DIR/chained_comparison.rs:+13:29: +13:30 + switchInt(move _17) -> [0: bb5, otherwise: bb6]; // scope 0 at $DIR/chained_comparison.rs:+13:8: +13:30 + } + + bb5: { + StorageDead(_17); // scope 0 at $DIR/chained_comparison.rs:+15:5: +15:6 + _0 = const true; // scope 0 at $DIR/chained_comparison.rs:+16:5: +16:9 + goto -> bb11; // scope 0 at $DIR/chained_comparison.rs:+17:2: +17:2 + } + + bb6: { + _0 = const false; // scope 0 at $DIR/chained_comparison.rs:+14:16: +14:21 + StorageDead(_17); // scope 0 at $DIR/chained_comparison.rs:+15:5: +15:6 + goto -> bb11; // scope 0 at no-location + } + + bb7: { + _0 = const false; // scope 0 at $DIR/chained_comparison.rs:+11:16: +11:21 + StorageDead(_14); // scope 0 at $DIR/chained_comparison.rs:+12:5: +12:6 + goto -> bb11; // scope 0 at no-location + } + + bb8: { + _0 = const false; // scope 0 at $DIR/chained_comparison.rs:+8:16: +8:21 + StorageDead(_11); // scope 0 at $DIR/chained_comparison.rs:+9:5: +9:6 + goto -> bb11; // scope 0 at no-location + } + + bb9: { + _0 = const false; // scope 0 at $DIR/chained_comparison.rs:+5:16: +5:21 + StorageDead(_8); // scope 0 at $DIR/chained_comparison.rs:+6:5: +6:6 + goto -> bb11; // scope 0 at no-location + } + + bb10: { + _0 = const false; // scope 0 at $DIR/chained_comparison.rs:+2:16: +2:21 + StorageDead(_5); // scope 0 at $DIR/chained_comparison.rs:+3:5: +3:6 + goto -> bb11; // scope 0 at no-location + } + + bb11: { + return; // scope 0 at $DIR/chained_comparison.rs:+17:2: +17:2 + } +} diff --git a/tests/mir-opt/pre-codegen/chained_comparison.rs b/tests/mir-opt/pre-codegen/chained_comparison.rs new file mode 100644 index 00000000000..5293249c4e0 --- /dev/null +++ b/tests/mir-opt/pre-codegen/chained_comparison.rs @@ -0,0 +1,54 @@ +// compile-flags: -O -Zmir-opt-level=2 -Cdebuginfo=2 +// ignore-debug + +#![crate_type = "lib"] + +pub struct Blueprint { + pub fuel_tank_size: u32, + pub payload: u32, + pub wheel_diameter: u32, + pub wheel_width: u32, + pub storage: u32, +} + +// Equivalent of #[derive(PartialEq)] +pub fn naive(a: &Blueprint, b: &Blueprint) -> bool { + (a.fuel_tank_size == b.fuel_tank_size) + && (a.payload == b.payload) + && (a.wheel_diameter == b.wheel_diameter) + && (a.wheel_width == b.wheel_width) + && (a.storage == b.storage) +} + +// Optimizes good but changes semantics +pub fn bitand(a: &Blueprint, b: &Blueprint) -> bool { + (a.fuel_tank_size == b.fuel_tank_size) + & (a.payload == b.payload) + & (a.wheel_diameter == b.wheel_diameter) + & (a.wheel_width == b.wheel_width) + & (a.storage == b.storage) +} + +// Optimizes good and have same semantics as PartialEq +pub fn returning(a: &Blueprint, b: &Blueprint) -> bool { + if a.fuel_tank_size != b.fuel_tank_size { + return false; + } + if a.payload != b.payload { + return false; + } + if a.wheel_diameter != b.wheel_diameter { + return false; + } + if a.wheel_width != b.wheel_width { + return false; + } + if a.storage != b.storage { + return false; + } + true +} + +// EMIT_MIR chained_comparison.naive.PreCodegen.after.mir +// EMIT_MIR chained_comparison.bitand.PreCodegen.after.mir +// EMIT_MIR chained_comparison.returning.PreCodegen.after.mir