diff options
Diffstat (limited to 'tests/mir-opt/matches_reduce_branches.foo.MatchBranchSimplification.diff')
| -rw-r--r-- | tests/mir-opt/matches_reduce_branches.foo.MatchBranchSimplification.diff | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tests/mir-opt/matches_reduce_branches.foo.MatchBranchSimplification.diff b/tests/mir-opt/matches_reduce_branches.foo.MatchBranchSimplification.diff new file mode 100644 index 00000000000..aa8092ece66 --- /dev/null +++ b/tests/mir-opt/matches_reduce_branches.foo.MatchBranchSimplification.diff @@ -0,0 +1,55 @@ +- // MIR for `foo` before MatchBranchSimplification ++ // MIR for `foo` after MatchBranchSimplification + + fn foo(_1: Option<()>) -> () { + debug bar => _1; // in scope 0 at $DIR/matches_reduce_branches.rs:+0:8: +0:11 + let mut _0: (); // return place in scope 0 at $DIR/matches_reduce_branches.rs:+0:25: +0:25 + 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/matches_reduce_branches.rs:+1:22: +1:26 ++ let mut _4: isize; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL + + bb0: { + StorageLive(_2); // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL + _3 = discriminant(_1); // scope 0 at $DIR/matches_reduce_branches.rs:+1:17: +1:20 +- switchInt(move _3) -> [0: bb2, otherwise: bb1]; // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL ++ StorageLive(_4); // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL ++ _4 = move _3; // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL ++ _2 = Eq(_4, const 0_isize); // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL ++ StorageDead(_4); // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL ++ switchInt(move _2) -> [0: 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 +- } +- +- 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: { + Deinit(_0); // scope 0 at $DIR/matches_reduce_branches.rs:+2:9: +2:11 +- goto -> bb6; // scope 0 at $DIR/matches_reduce_branches.rs:+1:5: +3:6 ++ goto -> bb3; // scope 0 at $DIR/matches_reduce_branches.rs:+1:5: +3:6 + } + +- bb5: { ++ bb2: { + _0 = const (); // scope 0 at $DIR/matches_reduce_branches.rs:+3:6: +3:6 +- goto -> bb6; // scope 0 at $DIR/matches_reduce_branches.rs:+1:5: +3:6 ++ goto -> bb3; // scope 0 at $DIR/matches_reduce_branches.rs:+1:5: +3:6 + } + +- bb6: { ++ bb3: { + StorageDead(_2); // scope 0 at $DIR/matches_reduce_branches.rs:+3:5: +3:6 + return; // scope 0 at $DIR/matches_reduce_branches.rs:+4:2: +4:2 + } + } + |