[rustc.git] / src / test / mir-opt / simplify-locals-fixedpoint / rustc.foo.SimplifyLocals.diff

- // MIR for `foo` before SimplifyLocals
+ // MIR for `foo` after SimplifyLocals
  
  fn foo() -> () {
      let mut _0: ();                      // return place in scope 0 at $DIR/simplify-locals-fixedpoint.rs:3:13: 3:13
      let mut _1: (std::option::Option<u8>, std::option::Option<T>); // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:30: 4:69
      let mut _2: std::option::Option<u8>; // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:31: 4:49
      let mut _3: std::option::Option<T>;  // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:51: 4:68
      let mut _4: isize;                   // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:22: 4:26
      let mut _5: isize;                   // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:13: 4:20
      let _6: u8;                          // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:18: 4:19
      let mut _7: bool;                    // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:20
      let mut _8: u8;                      // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:13
      scope 1 {
          debug a => _6;                   // in scope 1 at $DIR/simplify-locals-fixedpoint.rs:4:18: 4:19
      }
  
      bb0: {
          StorageLive(_1);                 // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:30: 4:69
          StorageLive(_2);                 // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:31: 4:49
          discriminant(_2) = 0;            // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:31: 4:49
          StorageLive(_3);                 // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:51: 4:68
          discriminant(_3) = 0;            // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:51: 4:68
          (_1.0: std::option::Option<u8>) = move _2; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:30: 4:69
          (_1.1: std::option::Option<T>) = move _3; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:30: 4:69
          StorageDead(_3);                 // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:68: 4:69
          StorageDead(_2);                 // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:68: 4:69
          _5 = discriminant((_1.0: std::option::Option<u8>)); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:13: 4:20
          switchInt(move _5) -> [1_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:13: 4:20
      }
  
      bb1: {
          _0 = const ();                   // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:5: 8:6
                                           // ty::Const
                                           // + ty: ()
                                           // + val: Value(Scalar(<ZST>))
                                           // mir::Constant
                                           // + span: $DIR/simplify-locals-fixedpoint.rs:4:5: 8:6
                                           // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
          goto -> bb7;                     // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:5: 8:6
      }
  
      bb2: {
          _4 = discriminant((_1.1: std::option::Option<T>)); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:22: 4:26
          switchInt(move _4) -> [0_isize: bb3, otherwise: bb1]; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:22: 4:26
      }
  
      bb3: {
          StorageLive(_6);                 // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:18: 4:19
          _6 = (((_1.0: std::option::Option<u8>) as Some).0: u8); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:18: 4:19
          StorageLive(_7);                 // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:20
          StorageLive(_8);                 // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:13
          _8 = _6;                         // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:13
          _7 = Gt(move _8, const 42_u8);   // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:20
                                           // ty::Const
                                           // + ty: u8
                                           // + val: Value(Scalar(0x2a))
                                           // mir::Constant
                                           // + span: $DIR/simplify-locals-fixedpoint.rs:5:16: 5:20
                                           // + literal: Const { ty: u8, val: Value(Scalar(0x2a)) }
          StorageDead(_8);                 // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:19: 5:20
          switchInt(_7) -> [false: bb4, otherwise: bb5]; // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:9: 7:10
      }
  
      bb4: {
          _0 = const ();                   // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:9: 7:10
                                           // ty::Const
                                           // + ty: ()
                                           // + val: Value(Scalar(<ZST>))
                                           // mir::Constant
                                           // + span: $DIR/simplify-locals-fixedpoint.rs:5:9: 7:10
                                           // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
          goto -> bb6;                     // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:9: 7:10
      }
  
      bb5: {
          _0 = const ();                   // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:21: 7:10
                                           // ty::Const
                                           // + ty: ()
                                           // + val: Value(Scalar(<ZST>))
                                           // mir::Constant
                                           // + span: $DIR/simplify-locals-fixedpoint.rs:5:21: 7:10
                                           // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
          goto -> bb6;                     // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:9: 7:10
      }
  
      bb6: {
          StorageDead(_7);                 // scope 1 at $DIR/simplify-locals-fixedpoint.rs:8:5: 8:6
          StorageDead(_6);                 // scope 0 at $DIR/simplify-locals-fixedpoint.rs:8:5: 8:6
          goto -> bb7;                     // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:5: 8:6
      }
  
      bb7: {
          drop(_1) -> bb8;                 // scope 0 at $DIR/simplify-locals-fixedpoint.rs:9:1: 9:2
      }
  
      bb8: {
          StorageDead(_1);                 // scope 0 at $DIR/simplify-locals-fixedpoint.rs:9:1: 9:2
          return;                          // scope 0 at $DIR/simplify-locals-fixedpoint.rs:9:2: 9:2
      }
  }
Commit	Line	Data
ba9703b0 XL	1	- // MIR for `foo` before SimplifyLocals
	2	+ // MIR for `foo` after SimplifyLocals
	3
	4	fn foo() -> () {
	5	let mut _0: (); // return place in scope 0 at $DIR/simplify-locals-fixedpoint.rs:3:13: 3:13
	6	let mut _1: (std::option::Option<u8>, std::option::Option<T>); // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:30: 4:69
	7	let mut _2: std::option::Option<u8>; // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:31: 4:49
	8	let mut _3: std::option::Option<T>; // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:51: 4:68
	9	let mut _4: isize; // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:22: 4:26
	10	let mut _5: isize; // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:13: 4:20
	11	let _6: u8; // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:18: 4:19
	12	let mut _7: bool; // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:20
	13	let mut _8: u8; // in scope 0 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:13
	14	scope 1 {
	15	debug a => _6; // in scope 1 at $DIR/simplify-locals-fixedpoint.rs:4:18: 4:19
	16	}
	17
	18	bb0: {
f9f354fc XL	19	StorageLive(_1); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:30: 4:69
	20	StorageLive(_2); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:31: 4:49
	21	discriminant(_2) = 0; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:31: 4:49
	22	StorageLive(_3); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:51: 4:68
	23	discriminant(_3) = 0; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:51: 4:68
	24	(_1.0: std::option::Option<u8>) = move _2; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:30: 4:69
	25	(_1.1: std::option::Option<T>) = move _3; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:30: 4:69
	26	StorageDead(_3); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:68: 4:69
	27	StorageDead(_2); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:68: 4:69
	28	_5 = discriminant((_1.0: std::option::Option<u8>)); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:13: 4:20
f035d41b	29	switchInt(move _5) -> [1_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:13: 4:20
ba9703b0 XL	30	}
	31
	32	bb1: {
f9f354fc	33	_0 = const (); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:5: 8:6
ba9703b0 XL	34	// ty::Const
	35	// + ty: ()
	36	// + val: Value(Scalar(<ZST>))
	37	// mir::Constant
	38	// + span: $DIR/simplify-locals-fixedpoint.rs:4:5: 8:6
	39	// + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
f9f354fc	40	goto -> bb7; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:5: 8:6
ba9703b0 XL	41	}
	42
	43	bb2: {
f9f354fc	44	_4 = discriminant((_1.1: std::option::Option<T>)); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:22: 4:26
f035d41b	45	switchInt(move _4) -> [0_isize: bb3, otherwise: bb1]; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:22: 4:26
ba9703b0 XL	46	}
	47
	48	bb3: {
f9f354fc XL	49	StorageLive(_6); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:18: 4:19
	50	_6 = (((_1.0: std::option::Option<u8>) as Some).0: u8); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:18: 4:19
	51	StorageLive(_7); // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:20
	52	StorageLive(_8); // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:13
	53	_8 = _6; // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:13
f035d41b	54	_7 = Gt(move _8, const 42_u8); // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:12: 5:20
ba9703b0 XL	55	// ty::Const
	56	// + ty: u8
	57	// + val: Value(Scalar(0x2a))
	58	// mir::Constant
	59	// + span: $DIR/simplify-locals-fixedpoint.rs:5:16: 5:20
	60	// + literal: Const { ty: u8, val: Value(Scalar(0x2a)) }
f9f354fc XL	61	StorageDead(_8); // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:19: 5:20
f9f354fc XL	62	switchInt(_7) -> [false: bb4, otherwise: bb5]; // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:9: 7:10
ba9703b0 XL	63	}
	64
	65	bb4: {
f9f354fc	66	_0 = const (); // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:9: 7:10
ba9703b0 XL	67	// ty::Const
	68	// + ty: ()
	69	// + val: Value(Scalar(<ZST>))
	70	// mir::Constant
	71	// + span: $DIR/simplify-locals-fixedpoint.rs:5:9: 7:10
	72	// + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
f9f354fc	73	goto -> bb6; // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:9: 7:10
ba9703b0 XL	74	}
	75
	76	bb5: {
f9f354fc	77	_0 = const (); // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:21: 7:10
ba9703b0 XL	78	// ty::Const
	79	// + ty: ()
	80	// + val: Value(Scalar(<ZST>))
	81	// mir::Constant
	82	// + span: $DIR/simplify-locals-fixedpoint.rs:5:21: 7:10
	83	// + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
f9f354fc	84	goto -> bb6; // scope 1 at $DIR/simplify-locals-fixedpoint.rs:5:9: 7:10
ba9703b0 XL	85	}
	86
	87	bb6: {
f9f354fc XL	88	StorageDead(_7); // scope 1 at $DIR/simplify-locals-fixedpoint.rs:8:5: 8:6
	89	StorageDead(_6); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:8:5: 8:6
	90	goto -> bb7; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:4:5: 8:6
ba9703b0 XL	91	}
	92
	93	bb7: {
f9f354fc	94	drop(_1) -> bb8; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:9:1: 9:2
ba9703b0 XL	95	}
	96
	97	bb8: {
f9f354fc XL	98	StorageDead(_1); // scope 0 at $DIR/simplify-locals-fixedpoint.rs:9:1: 9:2
f9f354fc XL	99	return; // scope 0 at $DIR/simplify-locals-fixedpoint.rs:9:2: 9:2
ba9703b0 XL	100	}
	101	}
	102