4ae3c85a5e
Variables that are collections of `CanonicalVarKind` are sometimes called `var_kinds` and sometimes called `variables`. The former is much better, because `variables` is (a) non-descript, and (b) often used nearby for collections of `I::GenericArg`. I found the inconsistency made the canonicalization code harder to understand. This commit renames various `variables` things as `var_kinds`.
86 lines
2.3 KiB
Rust
86 lines
2.3 KiB
Rust
// MIR for `main` after SimplifyCfg-initial
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| User Type Annotations
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| 0: user_ty: Canonical { value: Ty(std::option::Option<std::boxed::Box<u32>>), max_universe: U0, var_kinds: [] }, span: $DIR/basic_assignment.rs:38:17: 38:33, inferred_ty: std::option::Option<std::boxed::Box<u32>>
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| 1: user_ty: Canonical { value: Ty(std::option::Option<std::boxed::Box<u32>>), max_universe: U0, var_kinds: [] }, span: $DIR/basic_assignment.rs:38:17: 38:33, inferred_ty: std::option::Option<std::boxed::Box<u32>>
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fn main() -> () {
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let mut _0: ();
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let _1: bool;
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let mut _3: bool;
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let mut _6: std::option::Option<std::boxed::Box<u32>>;
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scope 1 {
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debug nodrop_x => _1;
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let _2: bool;
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scope 2 {
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debug nodrop_y => _2;
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let _4: std::option::Option<std::boxed::Box<u32>> as UserTypeProjection { base: UserType(0), projs: [] };
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scope 3 {
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debug drop_x => _4;
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let _5: std::option::Option<std::boxed::Box<u32>>;
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scope 4 {
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debug drop_y => _5;
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}
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}
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}
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}
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bb0: {
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StorageLive(_1);
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_1 = const false;
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FakeRead(ForLet(None), _1);
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StorageLive(_2);
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StorageLive(_3);
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_3 = copy _1;
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_2 = move _3;
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StorageDead(_3);
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StorageLive(_4);
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_4 = Option::<Box<u32>>::None;
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FakeRead(ForLet(None), _4);
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AscribeUserType(_4, o, UserTypeProjection { base: UserType(1), projs: [] });
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StorageLive(_5);
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StorageLive(_6);
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_6 = move _4;
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drop(_5) -> [return: bb1, unwind: bb2];
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}
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bb1: {
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_5 = move _6;
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drop(_6) -> [return: bb3, unwind: bb6];
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}
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bb2 (cleanup): {
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_5 = move _6;
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drop(_6) -> [return: bb6, unwind terminate(cleanup)];
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}
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bb3: {
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StorageDead(_6);
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_0 = const ();
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drop(_5) -> [return: bb4, unwind: bb7];
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}
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bb4: {
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StorageDead(_5);
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drop(_4) -> [return: bb5, unwind: bb8];
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}
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bb5: {
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StorageDead(_4);
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StorageDead(_2);
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StorageDead(_1);
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return;
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}
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bb6 (cleanup): {
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drop(_5) -> [return: bb7, unwind terminate(cleanup)];
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}
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bb7 (cleanup): {
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drop(_4) -> [return: bb8, unwind terminate(cleanup)];
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}
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bb8 (cleanup): {
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resume;
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}
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}
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