src/test/mir-opt/issue_73223.main.PreCodegen.diff.32bit

   1 - // MIR for `main` before PreCodegen
   2 + // MIR for `main` after PreCodegen
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/issue-73223.rs:1:11: 1:11
   6       let mut _1: std::option::Option<i32>; // in scope 0 at $DIR/issue-73223.rs:2:23: 2:30
   7       let _2: i32;                         // in scope 0 at $DIR/issue-73223.rs:3:14: 3:15
   8       let mut _4: i32;                     // in scope 0 at $DIR/issue-73223.rs:7:22: 7:27
   9       let mut _5: (&i32, &i32);            // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  10       let mut _6: &i32;                    // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  11       let mut _9: bool;                    // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  12       let mut _10: bool;                   // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  13       let mut _11: i32;                    // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  14       let _12: &std::fmt::Arguments;       // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
  15       let _13: std::fmt::Arguments;        // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
  16       let mut _14: &[&str];                // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  17       let mut _15: &[std::fmt::ArgumentV1]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
  18       let _16: &[std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
  19       let _17: [std::fmt::ArgumentV1; 2];  // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
  20       let mut _18: (&&i32, &&i32);         // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
  21       let mut _19: &&i32;                  // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  22       let _20: &i32;                       // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  23       let mut _21: &&i32;                  // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  24       let mut _24: std::fmt::ArgumentV1;   // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
  25       let mut _25: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  26       let mut _26: std::fmt::ArgumentV1;   // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
  27       let mut _27: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  28       scope 1 {
  29           debug split => _2;               // in scope 1 at $DIR/issue-73223.rs:2:9: 2:14
  30           let _3: std::option::Option<i32>; // in scope 1 at $DIR/issue-73223.rs:7:9: 7:14
  31           scope 3 {
  32               debug _prev => _3;           // in scope 3 at $DIR/issue-73223.rs:7:9: 7:14
  33               let _7: &i32;                // in scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  34               let _8: &i32;                // in scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  35               scope 4 {
  36                   debug left_val => _7;    // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  37                   debug right_val => _8;   // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  38                   let _22: &&i32;          // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  39                   let _23: &&i32;          // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  40                   scope 5 {
  41                       debug arg0 => _22;   // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  42                       debug arg1 => _23;   // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  43                       scope 6 {
  44                           debug x => _22;  // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
  45                           debug f => _25;  // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
  46                           let mut _28: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
  47                           let mut _29: &core::fmt::Opaque; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
  48                       }
  49                       scope 8 {
  50                           debug x => _23;  // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
  51                           debug f => _27;  // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
  52                           let mut _30: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
  53                           let mut _31: &core::fmt::Opaque; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
  54                       }
  55                   }
  56                   scope 10 {
  57                       debug pieces => _14; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
  58                       debug args => _15;   // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
  59                       let mut _32: std::option::Option<&[std::fmt::rt::v1::Argument]>; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
  60                   }
  61               }
  62           }
  63       }
  64       scope 2 {
  65           debug v => _2;                   // in scope 2 at $DIR/issue-73223.rs:3:14: 3:15
  66       }
  67       scope 7 {
  68       }
  69       scope 9 {
  70       }
  71
  72       bb0: {
  73           StorageLive(_1);                 // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
  74           ((_1 as Some).0: i32) = const 1_i32; // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
  75           discriminant(_1) = 1;            // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
  76           _2 = ((_1 as Some).0: i32);      // scope 0 at $DIR/issue-73223.rs:3:14: 3:15
  77           StorageDead(_1);                 // scope 0 at $DIR/issue-73223.rs:5:6: 5:7
  78           StorageLive(_3);                 // scope 1 at $DIR/issue-73223.rs:7:9: 7:14
  79           StorageLive(_4);                 // scope 1 at $DIR/issue-73223.rs:7:22: 7:27
  80           _4 = _2;                         // scope 1 at $DIR/issue-73223.rs:7:22: 7:27
  81           ((_3 as Some).0: i32) = move _4; // scope 1 at $DIR/issue-73223.rs:7:17: 7:28
  82           discriminant(_3) = 1;            // scope 1 at $DIR/issue-73223.rs:7:17: 7:28
  83           StorageDead(_4);                 // scope 1 at $DIR/issue-73223.rs:7:27: 7:28
  84           StorageLive(_5);                 // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  85           StorageLive(_6);                 // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  86           _6 = &_2;                        // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  87           (_5.0: &i32) = move _6;          // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  88           (_5.1: &i32) = const main::promoted[1]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  89                                            // ty::Const
  90                                            // + ty: &i32
  91                                            // + val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), const_param_did: None }, [], Some(promoted[1]))
  92                                            // mir::Constant
  93                                            // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
  94                                            // + literal: Const { ty: &i32, val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), const_param_did: None }, [], Some(promoted[1])) }
  95           StorageDead(_6);                 // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  96           StorageLive(_7);                 // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  97           _7 = (_5.0: &i32);               // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  98           _8 = (_5.1: &i32);               // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
  99           StorageLive(_9);                 // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 100           StorageLive(_10);                // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 101           StorageLive(_11);                // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 102           _11 = (*_7);                     // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 103           _10 = Eq(move _11, const 1_i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 104           StorageDead(_11);                // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 105           _9 = Not(move _10);              // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 106           StorageDead(_10);                // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 107           switchInt(_9) -> [false: bb1, otherwise: bb2]; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 108       }
 109
 110       bb1: {
 111           StorageDead(_9);                 // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 112           StorageDead(_7);                 // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 113           StorageDead(_5);                 // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 114           _0 = const ();                   // scope 0 at $DIR/issue-73223.rs:1:11: 9:2
 115           StorageDead(_3);                 // scope 1 at $DIR/issue-73223.rs:9:1: 9:2
 116           return;                          // scope 0 at $DIR/issue-73223.rs:9:2: 9:2
 117       }
 118
 119       bb2: {
 120           StorageLive(_13);                // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 121           _14 = const main::promoted[0] as &[&str] (Pointer(Unsize)); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 122                                            // ty::Const
 123                                            // + ty: &[&str; 3]
 124                                            // + val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), const_param_did: None }, [], Some(promoted[0]))
 125                                            // mir::Constant
 126                                            // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
 127                                            // + literal: Const { ty: &[&str; 3], val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), const_param_did: None }, [], Some(promoted[0])) }
 128           StorageLive(_17);                // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 129           StorageLive(_18);                // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 130           StorageLive(_19);                // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 131           StorageLive(_20);                // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 132           _20 = _7;                        // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 133           _19 = &_20;                      // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 134           StorageLive(_21);                // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 135           _21 = &_8;                       // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 136           (_18.0: &&i32) = move _19;       // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 137           (_18.1: &&i32) = move _21;       // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 138           StorageDead(_21);                // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 139           StorageDead(_19);                // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 140           _22 = (_18.0: &&i32);            // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 141           _23 = (_18.1: &&i32);            // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 142           StorageLive(_24);                // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
 143           _25 = <&i32 as std::fmt::Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer)); // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 144                                            // mir::Constant
 145                                            // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
 146                                            // + literal: Const { ty: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {<&i32 as std::fmt::Debug>::fmt}, val: Value(Scalar(<ZST>)) }
 147           StorageLive(_28);                // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 148           _28 = std::intrinsics::transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _25) -> bb3; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 149                                            // mir::Constant
 150                                            // + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 151                                            // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) -> for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {std::intrinsics::transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>}, val: Value(Scalar(<ZST>)) }
 152       }
 153
 154       bb3: {
 155           StorageLive(_29);                // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 156           _29 = std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>(move _22) -> bb4; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 157                                            // mir::Constant
 158                                            // + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 159                                            // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(&&i32) -> &core::fmt::Opaque {std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>}, val: Value(Scalar(<ZST>)) }
 160       }
 161
 162       bb4: {
 163           (_24.0: &core::fmt::Opaque) = move _29; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 164           (_24.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _28; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 165           StorageDead(_29);                // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 166           StorageDead(_28);                // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 167           StorageLive(_26);                // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
 168           _27 = <&i32 as std::fmt::Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer)); // scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
 169                                            // mir::Constant
 170                                            // + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
 171                                            // + literal: Const { ty: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {<&i32 as std::fmt::Debug>::fmt}, val: Value(Scalar(<ZST>)) }
 172           StorageLive(_30);                // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 173           _30 = std::intrinsics::transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _27) -> bb5; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 174                                            // mir::Constant
 175                                            // + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 176                                            // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) -> for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {std::intrinsics::transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>}, val: Value(Scalar(<ZST>)) }
 177       }
 178
 179       bb5: {
 180           StorageLive(_31);                // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 181           _31 = std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>(move _23) -> bb6; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 182                                            // mir::Constant
 183                                            // + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 184                                            // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(&&i32) -> &core::fmt::Opaque {std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>}, val: Value(Scalar(<ZST>)) }
 185       }
 186
 187       bb6: {
 188           (_26.0: &core::fmt::Opaque) = move _31; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 189           (_26.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _30; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 190           StorageDead(_31);                // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 191           StorageDead(_30);                // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 192           _17 = [move _24, move _26];      // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
 193           StorageDead(_26);                // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
 194           StorageDead(_24);                // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
 195           _16 = &_17;                      // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 196           _15 = move _16 as &[std::fmt::ArgumentV1] (Pointer(Unsize)); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 197           StorageLive(_32);                // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 198           discriminant(_32) = 0;           // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 199           (_13.0: &[&str]) = move _14;     // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 200           (_13.1: std::option::Option<&[std::fmt::rt::v1::Argument]>) = move _32; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 201           (_13.2: &[std::fmt::ArgumentV1]) = move _15; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 202           StorageDead(_32);                // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
 203           _12 = &_13;                      // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 204           std::rt::begin_panic_fmt(move _12); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
 205                                            // mir::Constant
 206                                            // + span: $SRC_DIR/std/src/macros.rs:LL:COL
 207                                            // + literal: Const { ty: for<'r, 's> fn(&'r std::fmt::Arguments<'s>) -> ! {std::rt::begin_panic_fmt}, val: Value(Scalar(<ZST>)) }
 208       }
 209   }
 210