- // MIR for `issue_77355_opt` before ConstGoto + // MIR for `issue_77355_opt` after ConstGoto fn issue_77355_opt(_1: Foo) -> u64 { debug num => _1; // in scope 0 at $DIR/const_goto.rs:+0:20: +0:23 let mut _0: u64; // return place in scope 0 at $DIR/const_goto.rs:+0:33: +0:36 - let mut _2: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL - let mut _3: isize; // in scope 0 at $DIR/const_goto.rs:+1:22: +1:28 + let mut _2: isize; // in scope 0 at $DIR/const_goto.rs:+1:22: +1:28 bb0: { - StorageLive(_2); // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL - _3 = discriminant(_1); // scope 0 at $DIR/const_goto.rs:+1:17: +1:20 - switchInt(move _3) -> [1: bb2, 2: bb2, otherwise: bb1]; // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL + _2 = discriminant(_1); // scope 0 at $DIR/const_goto.rs:+1:17: +1:20 + switchInt(move _2) -> [1: bb2, 2: bb2, otherwise: bb1]; // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL } bb1: { - _2 = const false; // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL - goto -> bb3; // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL + _0 = const 42_u64; // scope 0 at $DIR/const_goto.rs:+1:53: +1:55 + goto -> bb3; // scope 0 at $DIR/const_goto.rs:+1:5: +1:57 } bb2: { - _2 = const true; // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL - goto -> bb3; // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL - } - - bb3: { - switchInt(move _2) -> [0: bb5, otherwise: bb4]; // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL - } - - bb4: { _0 = const 23_u64; // scope 0 at $DIR/const_goto.rs:+1:41: +1:43 - goto -> bb6; // scope 0 at $DIR/const_goto.rs:+1:5: +1:57 + goto -> bb3; // scope 0 at $DIR/const_goto.rs:+1:5: +1:57 } - bb5: { - _0 = const 42_u64; // scope 0 at $DIR/const_goto.rs:+1:53: +1:55 - goto -> bb6; // scope 0 at $DIR/const_goto.rs:+1:5: +1:57 - } - - bb6: { - StorageDead(_2); // scope 0 at $DIR/const_goto.rs:+1:56: +1:57 + bb3: { return; // scope 0 at $DIR/const_goto.rs:+2:2: +2:2 } }