75 lines
3.6 KiB
Rust
75 lines
3.6 KiB
Rust
// MIR for `foo` after PreCodegen
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fn foo(_1: Option<String>) -> i32 {
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debug s => _1; // in scope 0 at $DIR/string.rs:+0:12: +0:13
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let mut _0: i32; // return place in scope 0 at $DIR/string.rs:+0:34: +0:37
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let mut _2: bool; // in scope 0 at $DIR/string.rs:+5:1: +5:2
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let mut _3: isize; // in scope 0 at $DIR/string.rs:+2:9: +2:18
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let mut _4: &std::string::String; // in scope 0 at $DIR/string.rs:+2:14: +2:17
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let mut _5: &str; // in scope 0 at $DIR/string.rs:+2:14: +2:17
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let mut _6: bool; // in scope 0 at $DIR/string.rs:+2:14: +2:17
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let _7: std::option::Option<std::string::String>; // in scope 0 at $DIR/string.rs:+3:9: +3:10
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scope 1 {
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debug s => _7; // in scope 1 at $DIR/string.rs:+3:9: +3:10
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}
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bb0: {
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_2 = const false; // scope 0 at $DIR/string.rs:+1:11: +1:12
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_2 = const true; // scope 0 at $DIR/string.rs:+1:11: +1:12
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_3 = discriminant(_1); // scope 0 at $DIR/string.rs:+1:11: +1:12
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switchInt(move _3) -> [1: bb1, otherwise: bb5]; // scope 0 at $DIR/string.rs:+1:5: +1:12
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}
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bb1: {
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_4 = &((_1 as Some).0: std::string::String); // scope 0 at $DIR/string.rs:+2:14: +2:17
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_5 = <String as Deref>::deref(move _4) -> [return: bb2, unwind unreachable]; // scope 0 at $DIR/string.rs:+2:14: +2:17
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// mir::Constant
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// + span: $DIR/string.rs:9:14: 9:17
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// + literal: Const { ty: for<'a> fn(&'a String) -> &'a <String as Deref>::Target {<String as Deref>::deref}, val: Value(<ZST>) }
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}
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bb2: {
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_6 = <str as PartialEq>::eq(_5, const "a") -> [return: bb3, unwind unreachable]; // scope 0 at $DIR/string.rs:+2:14: +2:17
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// mir::Constant
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// + span: $DIR/string.rs:9:14: 9:17
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// + literal: Const { ty: for<'a, 'b> fn(&'a str, &'b str) -> bool {<str as PartialEq>::eq}, val: Value(<ZST>) }
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// mir::Constant
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// + span: $DIR/string.rs:9:14: 9:17
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// + literal: Const { ty: &str, val: Value(ValTree::Branch(..)) }
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}
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bb3: {
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switchInt(move _6) -> [0: bb5, otherwise: bb4]; // scope 0 at $DIR/string.rs:+2:14: +2:17
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}
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bb4: {
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_0 = const 1234_i32; // scope 0 at $DIR/string.rs:+2:22: +2:26
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goto -> bb7; // scope 0 at $DIR/string.rs:+2:22: +2:26
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}
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bb5: {
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StorageLive(_7); // scope 0 at $DIR/string.rs:+3:9: +3:10
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_2 = const false; // scope 0 at $DIR/string.rs:+3:9: +3:10
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_7 = move _1; // scope 0 at $DIR/string.rs:+3:9: +3:10
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_0 = const 4321_i32; // scope 1 at $DIR/string.rs:+3:14: +3:18
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drop(_7) -> [return: bb6, unwind unreachable]; // scope 0 at $DIR/string.rs:+3:17: +3:18
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}
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bb6: {
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StorageDead(_7); // scope 0 at $DIR/string.rs:+3:17: +3:18
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goto -> bb7; // scope 0 at $DIR/string.rs:+3:17: +3:18
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}
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bb7: {
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switchInt(_2) -> [0: bb9, otherwise: bb8]; // scope 0 at $DIR/string.rs:+5:1: +5:2
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}
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bb8: {
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drop(_1) -> [return: bb9, unwind unreachable]; // scope 0 at $DIR/string.rs:+5:1: +5:2
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}
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bb9: {
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return; // scope 0 at $DIR/string.rs:+5:2: +5:2
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}
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}
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