src/test/mir-opt/unreachable_asm.main.UnreachablePropagation.diff

   1 - // MIR for `main` before UnreachablePropagation
   2 + // MIR for `main` after UnreachablePropagation
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/unreachable_asm.rs:10:11: 10:11
   6       let mut _1: std::option::Option<Empty>; // in scope 0 at $DIR/unreachable_asm.rs:11:23: 11:30
   7       let mut _2: isize;                   // in scope 0 at $DIR/unreachable_asm.rs:11:12: 11:20
   8       let _3: Empty;                       // in scope 0 at $DIR/unreachable_asm.rs:11:17: 11:19
   9       let mut _4: i32;                     // in scope 0 at $DIR/unreachable_asm.rs:12:13: 12:19
  10       let _5: ();                          // in scope 0 at $DIR/unreachable_asm.rs:14:9: 18:10
  11       let mut _6: bool;                    // in scope 0 at $DIR/unreachable_asm.rs:14:12: 14:16
  12       let _7: ();                          // in scope 0 at $DIR/unreachable_asm.rs:21:9: 21:37
  13       let mut _8: !;                       // in scope 0 at $DIR/unreachable_asm.rs:22:9: 22:21
  14       scope 1 {
  15           debug _x => _3;                  // in scope 1 at $DIR/unreachable_asm.rs:11:17: 11:19
  16       }
  17       scope 2 {
  18           debug _y => _4;                  // in scope 2 at $DIR/unreachable_asm.rs:12:13: 12:19
  19           scope 3 {
  20           }
  21       }
  22
  23       bb0: {
  24           StorageLive(_1);                 // scope 0 at $DIR/unreachable_asm.rs:11:23: 11:30
  25           _1 = empty() -> bb1;             // scope 0 at $DIR/unreachable_asm.rs:11:23: 11:30
  26                                            // mir::Constant
  27                                            // + span: $DIR/unreachable_asm.rs:11:23: 11:28
  28                                            // + literal: Const { ty: fn() -> std::option::Option<Empty> {empty}, val: Value(Scalar(<ZST>)) }
  29       }
  30
  31       bb1: {
  32           _2 = discriminant(_1);           // scope 0 at $DIR/unreachable_asm.rs:11:12: 11:20
  33           switchInt(move _2) -> [1_isize: bb2, otherwise: bb6]; // scope 0 at $DIR/unreachable_asm.rs:11:12: 11:20
  34       }
  35
  36       bb2: {
  37           StorageLive(_3);                 // scope 0 at $DIR/unreachable_asm.rs:11:17: 11:19
  38           _3 = move ((_1 as Some).0: Empty); // scope 0 at $DIR/unreachable_asm.rs:11:17: 11:19
  39           StorageLive(_4);                 // scope 0 at $DIR/unreachable_asm.rs:12:13: 12:19
  40           StorageLive(_5);                 // scope 2 at $DIR/unreachable_asm.rs:14:9: 18:10
  41           StorageLive(_6);                 // scope 2 at $DIR/unreachable_asm.rs:14:12: 14:16
  42           _6 = const true;                 // scope 2 at $DIR/unreachable_asm.rs:14:12: 14:16
  43           switchInt(move _6) -> [false: bb4, otherwise: bb3]; // scope 2 at $DIR/unreachable_asm.rs:14:12: 14:16
  44       }
  45
  46       bb3: {
  47           _4 = const 21_i32;               // scope 2 at $DIR/unreachable_asm.rs:15:13: 15:20
  48           _5 = const ();                   // scope 2 at $DIR/unreachable_asm.rs:14:17: 16:10
  49           goto -> bb5;                     // scope 2 at $DIR/unreachable_asm.rs:14:9: 18:10
  50       }
  51
  52       bb4: {
  53           _4 = const 42_i32;               // scope 2 at $DIR/unreachable_asm.rs:17:13: 17:20
  54           _5 = const ();                   // scope 2 at $DIR/unreachable_asm.rs:16:16: 18:10
  55           goto -> bb5;                     // scope 2 at $DIR/unreachable_asm.rs:14:9: 18:10
  56       }
  57
  58       bb5: {
  59           StorageDead(_6);                 // scope 2 at $DIR/unreachable_asm.rs:18:9: 18:10
  60           StorageDead(_5);                 // scope 2 at $DIR/unreachable_asm.rs:18:9: 18:10
  61           StorageLive(_7);                 // scope 2 at $DIR/unreachable_asm.rs:21:9: 21:37
  62           llvm_asm!(LlvmInlineAsmInner { asm: "NOP", asm_str_style: Cooked, outputs: [], inputs: [], clobbers: [], volatile: true, alignstack: false, dialect: Att } : [] : []); // scope 3 at $DIR/unreachable_asm.rs:21:18: 21:34
  63           _7 = const ();                   // scope 3 at $DIR/unreachable_asm.rs:21:9: 21:37
  64           StorageDead(_7);                 // scope 2 at $DIR/unreachable_asm.rs:21:36: 21:37
  65           StorageLive(_8);                 // scope 2 at $DIR/unreachable_asm.rs:22:9: 22:21
  66           unreachable;                     // scope 2 at $DIR/unreachable_asm.rs:22:15: 22:17
  67       }
  68
  69       bb6: {
  70           _0 = const ();                   // scope 0 at $DIR/unreachable_asm.rs:23:6: 23:6
  71           StorageDead(_1);                 // scope 0 at $DIR/unreachable_asm.rs:24:1: 24:2
  72           return;                          // scope 0 at $DIR/unreachable_asm.rs:24:2: 24:2
  73       }
  74   }
  75