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add mir-opt test

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Ding Xiang Fei 2022-09-16 19:54:41 +08:00
parent 48c1c1d190
commit d510ba3bc3
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2 changed files with 84 additions and 0 deletions
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9
src/test/mir-opt/issue-101867.rs Normal file
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#![feature(let_else)]
// EMIT_MIR issue_101867.main.mir_map.0.mir
fn main() {
let x: Option<u8> = Some(1);
let Some(y) = x else {
panic!();
};
}

75
src/test/mir-opt/issue_101867.main.mir_map.0.mir Normal file
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// MIR for `main` 0 mir_map
| User Type Annotations
| 0: user_ty: Canonical { max_universe: U0, variables: [], value: Ty(std::option::Option<u8>) }, span: $DIR/issue-101867.rs:5:12: 5:22, inferred_ty: std::option::Option<u8>
| 1: user_ty: Canonical { max_universe: U0, variables: [], value: Ty(std::option::Option<u8>) }, span: $DIR/issue-101867.rs:5:12: 5:22, inferred_ty: std::option::Option<u8>
|
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/issue-101867.rs:+0:11: +0:11
let _1: std::option::Option<u8> as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 0 at $DIR/issue-101867.rs:+1:9: +1:10
let mut _2: !; // in scope 0 at $DIR/issue-101867.rs:+2:26: +4:6
let _3: (); // in scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
let mut _4: !; // in scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
let mut _6: isize; // in scope 0 at $DIR/issue-101867.rs:+2:9: +2:16
scope 1 {
debug x => _1; // in scope 1 at $DIR/issue-101867.rs:+1:9: +1:10
let _5: u8; // in scope 1 at $DIR/issue-101867.rs:+2:14: +2:15
scope 2 {
debug y => _5; // in scope 2 at $DIR/issue-101867.rs:+2:14: +2:15
}
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/issue-101867.rs:+1:9: +1:10
_1 = Option::<u8>::Some(const 1_u8); // scope 0 at $DIR/issue-101867.rs:+1:25: +1:32
FakeRead(ForLet(None), _1); // scope 0 at $DIR/issue-101867.rs:+1:9: +1:10
AscribeUserType(_1, o, UserTypeProjection { base: UserType(1), projs: [] }); // scope 0 at $DIR/issue-101867.rs:+1:12: +1:22
StorageLive(_5); // scope 1 at $DIR/issue-101867.rs:+2:14: +2:15
FakeRead(ForMatchedPlace(None), _1); // scope 1 at $DIR/issue-101867.rs:+2:19: +2:20
_6 = discriminant(_1); // scope 1 at $DIR/issue-101867.rs:+2:19: +2:20
switchInt(move _6) -> [1_isize: bb4, otherwise: bb3]; // scope 1 at $DIR/issue-101867.rs:+2:9: +2:16
}
bb1: {
StorageLive(_3); // scope 1 at $SRC_DIR/std/src/panic.rs:LL:COL
StorageLive(_4); // scope 1 at $SRC_DIR/std/src/panic.rs:LL:COL
_4 = begin_panic::<&str>(const "explicit panic") -> bb7; // scope 1 at $SRC_DIR/std/src/panic.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/std/src/panic.rs:LL:COL
// + literal: Const { ty: fn(&str) -> ! {begin_panic::<&str>}, val: Value(<ZST>) }
// mir::Constant
// + span: $SRC_DIR/std/src/panic.rs:LL:COL
// + literal: Const { ty: &str, val: Value(Slice(..)) }
}
bb2: {
StorageDead(_4); // scope 1 at $SRC_DIR/std/src/panic.rs:LL:COL
StorageDead(_3); // scope 1 at $DIR/issue-101867.rs:+3:16: +3:17
unreachable; // scope 1 at $DIR/issue-101867.rs:+2:26: +4:6
}
bb3: {
goto -> bb6; // scope 1 at $DIR/issue-101867.rs:+2:19: +2:20
}
bb4: {
falseEdge -> [real: bb5, imaginary: bb3]; // scope 1 at $DIR/issue-101867.rs:+2:9: +2:16
}
bb5: {
_5 = ((_1 as Some).0: u8); // scope 1 at $DIR/issue-101867.rs:+2:14: +2:15
_0 = const (); // scope 0 at $DIR/issue-101867.rs:+0:11: +5:2
StorageDead(_5); // scope 1 at $DIR/issue-101867.rs:+5:1: +5:2
StorageDead(_1); // scope 0 at $DIR/issue-101867.rs:+5:1: +5:2
return; // scope 0 at $DIR/issue-101867.rs:+5:2: +5:2
}
bb6: {
StorageDead(_5); // scope 1 at $DIR/issue-101867.rs:+5:1: +5:2
goto -> bb1; // scope 0 at $DIR/issue-101867.rs:+0:11: +5:2
}
bb7 (cleanup): {
resume; // scope 0 at $DIR/issue-101867.rs:+0:1: +5:2
}
}