Remove inlining cost of `Deinit` statements

1 files changed, 85 insertions, 32 deletions

diff --git a/src/test/mir-opt/separate_const_switch.identity.ConstProp.diff b/src/test/mir-opt/separate_const_switch.identity.ConstProp.diff
index 8394323c849..4cdbaec7d2a 100644
--- a/src/test/mir-opt/separate_const_switch.identity.ConstProp.diff
+++ b/src/test/mir-opt/separate_const_switch.identity.ConstProp.diff
@@ -15,15 +15,15 @@
       scope 1 {
           debug residual => _6;            // in scope 1 at $DIR/separate_const_switch.rs:29:9: 29:10
           scope 2 {
-              scope 5 (inlined #[track_caller] <Result<i32, i32> as FromResidual<Result<Infallible, i32>>>::from_residual) { // at $DIR/separate_const_switch.rs:29:8: 29:10
-                  debug residual => _8;    // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
-                  let _10: i32;            // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
-                  let mut _11: i32;        // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
-                  let mut _12: i32;        // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
-                  scope 6 {
-                      debug e => _10;      // in scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
-                      scope 7 (inlined <i32 as From<i32>>::from) { // at $SRC_DIR/core/src/result.rs:LL:COL
-                          debug t => _12;  // in scope 7 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
+              scope 8 (inlined #[track_caller] <Result<i32, i32> as FromResidual<Result<Infallible, i32>>>::from_residual) { // at $DIR/separate_const_switch.rs:29:8: 29:10
+                  debug residual => _8;    // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+                  let _16: i32;            // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+                  let mut _17: i32;        // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+                  let mut _18: i32;        // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+                  scope 9 {
+                      debug e => _16;      // in scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
+                      scope 10 (inlined <i32 as From<i32>>::from) { // at $SRC_DIR/core/src/result.rs:LL:COL
+                          debug t => _18;  // in scope 10 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
                       }
                   }
               }
@@ -34,25 +34,33 @@
           scope 4 {
           }
       }
+      scope 5 (inlined <Result<i32, i32> as Try>::branch) { // at $DIR/separate_const_switch.rs:29:8: 29:10
+          debug self => _4;                // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          let mut _10: isize;              // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          let _11: i32;                    // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          let mut _12: i32;                // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          let _13: i32;                    // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          let mut _14: std::result::Result<std::convert::Infallible, i32>; // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          let mut _15: i32;                // in scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          scope 6 {
+              debug v => _11;              // in scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
+          }
+          scope 7 {
+              debug e => _13;              // in scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          }
+      }
   
       bb0: {
           StorageLive(_2);                 // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
           StorageLive(_3);                 // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
           StorageLive(_4);                 // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:9
           _4 = _1;                         // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:9
-          _3 = <Result<i32, i32> as Try>::branch(move _4) -> bb1; // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
-                                           // mir::Constant
-                                           // + span: $DIR/separate_const_switch.rs:29:8: 29:10
-                                           // + literal: Const { ty: fn(Result<i32, i32>) -> ControlFlow<<Result<i32, i32> as Try>::Residual, <Result<i32, i32> as Try>::Output> {<Result<i32, i32> as Try>::branch}, val: Value(Scalar(<ZST>)) }
+          StorageLive(_10);                // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
+          _10 = discriminant(_4);          // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          switchInt(move _10) -> [0_isize: bb5, 1_isize: bb3, otherwise: bb4]; // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
       }
   
       bb1: {
-          StorageDead(_4);                 // scope 0 at $DIR/separate_const_switch.rs:29:9: 29:10
-          _5 = discriminant(_3);           // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
-          switchInt(move _5) -> [0_isize: bb2, otherwise: bb3]; // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
-      }
-  
-      bb2: {
           StorageLive(_9);                 // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
           _9 = ((_3 as Continue).0: i32);  // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
           _2 = _9;                         // scope 4 at $DIR/separate_const_switch.rs:29:8: 29:10
@@ -65,28 +73,73 @@
           return;                          // scope 0 at $DIR/separate_const_switch.rs:30:2: 30:2
       }
   
-      bb3: {
+      bb2: {
           StorageLive(_6);                 // scope 0 at $DIR/separate_const_switch.rs:29:9: 29:10
           _6 = ((_3 as Break).0: std::result::Result<std::convert::Infallible, i32>); // scope 0 at $DIR/separate_const_switch.rs:29:9: 29:10
           StorageLive(_8);                 // scope 2 at $DIR/separate_const_switch.rs:29:9: 29:10
           _8 = _6;                         // scope 2 at $DIR/separate_const_switch.rs:29:9: 29:10
-          StorageLive(_10);                // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
-          _10 = move ((_8 as Err).0: i32); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
-          StorageLive(_11);                // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
-          StorageLive(_12);                // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
-          _12 = move _10;                  // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
-          _11 = move _12;                  // scope 7 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
-          StorageDead(_12);                // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
-          Deinit(_0);                      // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
-          ((_0 as Err).0: i32) = move _11; // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
-          discriminant(_0) = 1;            // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
-          StorageDead(_11);                // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
-          StorageDead(_10);                // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageLive(_16);                // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+          _16 = move ((_8 as Err).0: i32); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageLive(_17);                // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageLive(_18);                // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
+          _18 = move _16;                  // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
+          _17 = move _18;                  // scope 10 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
+          StorageDead(_18);                // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
+          Deinit(_0);                      // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
+          ((_0 as Err).0: i32) = move _17; // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
+          discriminant(_0) = 1;            // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageDead(_17);                // scope 9 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageDead(_16);                // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
           StorageDead(_8);                 // scope 2 at $DIR/separate_const_switch.rs:29:9: 29:10
           StorageDead(_6);                 // scope 0 at $DIR/separate_const_switch.rs:29:9: 29:10
           StorageDead(_2);                 // scope 0 at $DIR/separate_const_switch.rs:29:10: 29:11
           StorageDead(_3);                 // scope 0 at $DIR/separate_const_switch.rs:30:1: 30:2
           return;                          // scope 0 at $DIR/separate_const_switch.rs:30:2: 30:2
       }
+  
+      bb3: {
+          StorageLive(_13);                // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          _13 = move ((_4 as Err).0: i32); // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageLive(_14);                // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageLive(_15);                // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          _15 = move _13;                  // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          Deinit(_14);                     // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          ((_14 as Err).0: i32) = move _15; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          discriminant(_14) = 1;           // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageDead(_15);                // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          Deinit(_3);                      // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          ((_3 as Break).0: std::result::Result<std::convert::Infallible, i32>) = move _14; // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          discriminant(_3) = 1;            // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageDead(_14);                // scope 7 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageDead(_13);                // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageDead(_10);                // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
+          StorageDead(_4);                 // scope 0 at $DIR/separate_const_switch.rs:29:9: 29:10
+-         _5 = discriminant(_3);           // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
+-         switchInt(move _5) -> [0_isize: bb1, otherwise: bb2]; // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
++         _5 = const 1_isize;              // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
++         switchInt(const 1_isize) -> [0_isize: bb1, otherwise: bb2]; // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
+      }
+  
+      bb4: {
+          unreachable;                     // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+      }
+  
+      bb5: {
+          StorageLive(_11);                // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          _11 = move ((_4 as Ok).0: i32);  // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageLive(_12);                // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
+          _12 = move _11;                  // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
+          Deinit(_3);                      // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
+          ((_3 as Continue).0: i32) = move _12; // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
+          discriminant(_3) = 0;            // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageDead(_12);                // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageDead(_11);                // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
+          StorageDead(_10);                // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
+          StorageDead(_4);                 // scope 0 at $DIR/separate_const_switch.rs:29:9: 29:10
+-         _5 = discriminant(_3);           // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
+-         switchInt(move _5) -> [0_isize: bb1, otherwise: bb2]; // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
++         _5 = const 0_isize;              // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
++         switchInt(const 0_isize) -> [0_isize: bb1, otherwise: bb2]; // scope 0 at $DIR/separate_const_switch.rs:29:8: 29:10
+      }
   }