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Rollup merge of #77066 - jonas-schievink:dest-prop-borrow, r=oli-obk

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Fix dest prop miscompilation around references

Closes https://github.com/rust-lang/rust/issues/77002
This commit is contained in:
Jonas Schievink 2020-09-25 19:42:33 +02:00 committed by GitHub
commit 452aa759b7
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GPG key ID: 4AEE18F83AFDEB23
7 changed files with 205 additions and 179 deletions
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2
compiler/rustc_mir/src/transform/dest_prop.rs
View file

@ -905,7 +905,7 @@ impl<'a, 'tcx> Visitor<'tcx> for FindAssignments<'a, 'tcx> {
// FIXME: This can be smarter and take `StorageDead` into account (which
// invalidates borrows).
if self.ever_borrowed_locals.contains(dest.local)
&& self.ever_borrowed_locals.contains(src.local)
|| self.ever_borrowed_locals.contains(src.local)
{
return;
}

4
src/test/mir-opt/const_allocation3.main.ConstProp.after.32bit.mir
View file

@ -24,10 +24,10 @@ fn main() -> () {
}
alloc0 (static: FOO, size: 4, align: 4) {
╾─alloc3──╼ │ ╾──╼
╾─alloc9──╼ │ ╾──╼
}
alloc3 (size: 168, align: 1) {
alloc9 (size: 168, align: 1) {
0x00 │ ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab │ ................
0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾─alloc4──╼ │ ............╾──╼
0x20 │ 01 ef cd ab 00 00 00 00 00 00 00 00 00 00 00 00 │ ................

4
src/test/mir-opt/const_allocation3.main.ConstProp.after.64bit.mir
View file

@ -24,10 +24,10 @@ fn main() -> () {
}
alloc0 (static: FOO, size: 8, align: 8) {
╾───────alloc3────────╼ │ ╾──────╼
╾───────alloc9────────╼ │ ╾──────╼
}
alloc3 (size: 180, align: 1) {
alloc9 (size: 180, align: 1) {
0x00 │ ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab │ ................
0x10 │ ab ab ab ab ab ab ab ab ab ab ab ab ╾──alloc4── │ ............╾───
0x20 │ ──────────╼ 01 ef cd ab 00 00 00 00 00 00 00 00 │ ───╼............

18
src/test/mir-opt/dest-prop/simple.nrvo.DestinationPropagation.diff
View file

@ -10,22 +10,18 @@
let mut _5: &mut [u8; 1024]; // in scope 0 at $DIR/simple.rs:6:10: 6:18
let mut _6: &mut [u8; 1024]; // in scope 0 at $DIR/simple.rs:6:10: 6:18
scope 1 {
- debug buf => _2; // in scope 1 at $DIR/simple.rs:5:9: 5:16
+ debug buf => _0; // in scope 1 at $DIR/simple.rs:5:9: 5:16
debug buf => _2; // in scope 1 at $DIR/simple.rs:5:9: 5:16
}
bb0: {
- StorageLive(_2); // scope 0 at $DIR/simple.rs:5:9: 5:16
- _2 = [const 0_u8; 1024]; // scope 0 at $DIR/simple.rs:5:19: 5:28
+ nop; // scope 0 at $DIR/simple.rs:5:9: 5:16
+ _0 = [const 0_u8; 1024]; // scope 0 at $DIR/simple.rs:5:19: 5:28
StorageLive(_2); // scope 0 at $DIR/simple.rs:5:9: 5:16
_2 = [const 0_u8; 1024]; // scope 0 at $DIR/simple.rs:5:19: 5:28
StorageLive(_3); // scope 1 at $DIR/simple.rs:6:5: 6:19
StorageLive(_4); // scope 1 at $DIR/simple.rs:6:5: 6:9
_4 = _1; // scope 1 at $DIR/simple.rs:6:5: 6:9
StorageLive(_5); // scope 1 at $DIR/simple.rs:6:10: 6:18
StorageLive(_6); // scope 1 at $DIR/simple.rs:6:10: 6:18
- _6 = &mut _2; // scope 1 at $DIR/simple.rs:6:10: 6:18
+ _6 = &mut _0; // scope 1 at $DIR/simple.rs:6:10: 6:18
_6 = &mut _2; // scope 1 at $DIR/simple.rs:6:10: 6:18
_5 = &mut (*_6); // scope 1 at $DIR/simple.rs:6:10: 6:18
_3 = move _4(move _5) -> bb1; // scope 1 at $DIR/simple.rs:6:5: 6:19
}
@ -35,10 +31,8 @@
StorageDead(_4); // scope 1 at $DIR/simple.rs:6:18: 6:19
StorageDead(_6); // scope 1 at $DIR/simple.rs:6:19: 6:20
StorageDead(_3); // scope 1 at $DIR/simple.rs:6:19: 6:20
- _0 = _2; // scope 1 at $DIR/simple.rs:7:5: 7:8
- StorageDead(_2); // scope 0 at $DIR/simple.rs:8:1: 8:2
+ nop; // scope 1 at $DIR/simple.rs:7:5: 7:8
+ nop; // scope 0 at $DIR/simple.rs:8:1: 8:2
_0 = _2; // scope 1 at $DIR/simple.rs:7:5: 7:8
StorageDead(_2); // scope 0 at $DIR/simple.rs:8:1: 8:2
return; // scope 0 at $DIR/simple.rs:8:2: 8:2
}
}

170
src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff
View file

@ -3,59 +3,61 @@
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/issue-73223.rs:1:11: 1:11
let _1: i32; // in scope 0 at $DIR/issue-73223.rs:2:9: 2:14
let mut _2: std::option::Option<i32>; // in scope 0 at $DIR/issue-73223.rs:2:23: 2:30
let mut _1: std::option::Option<i32>; // in scope 0 at $DIR/issue-73223.rs:2:23: 2:30
let _2: i32; // in scope 0 at $DIR/issue-73223.rs:3:14: 3:15
let mut _4: (&i32, &i32); // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _5: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _6: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _7: i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _8: &std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _9: std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _10: &[std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _11: [std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _12: (&&i32, &&i32); // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _13: &i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _14: &&i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _7: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _8: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _9: i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _10: &std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _11: std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _12: &[std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _13: [std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _14: (&&i32, &&i32); // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _15: &i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _16: std::fmt::ArgumentV1; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _16: &&i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _17: std::fmt::ArgumentV1; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _18: std::fmt::ArgumentV1; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
scope 1 {
debug split => _1; // in scope 1 at $DIR/issue-73223.rs:2:9: 2:14
debug split => _2; // in scope 1 at $DIR/issue-73223.rs:2:9: 2:14
let _3: std::option::Option<i32>; // in scope 1 at $DIR/issue-73223.rs:7:9: 7:14
scope 3 {
debug _prev => _3; // in scope 3 at $DIR/issue-73223.rs:7:9: 7:14
let _5: &i32; // in scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let _6: &i32; // in scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 4 {
debug left_val => _13; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug right_val => _15; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug left_val => _5; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug right_val => _6; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 5 {
debug arg0 => _20; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug arg1 => _23; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug arg0 => _21; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug arg1 => _24; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 6 {
debug x => _20; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _19; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _18: 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
let mut _19: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _20: &&i32; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
debug x => _21; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _20; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _19: 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
let mut _20: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _21: &&i32; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
}
scope 8 {
debug x => _23; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _22; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _21: 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
let mut _22: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _23: &&i32; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
debug x => _24; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _23; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _22: 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
let mut _23: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _24: &&i32; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
}
}
scope 10 {
debug pieces => (_9.0: &[&str]); // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug args => _25; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _24: std::option::Option<&[std::fmt::rt::v1::Argument]>; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _25: &[std::fmt::ArgumentV1]; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
debug pieces => _25; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug args => _27; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _25: &[&str]; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _26: std::option::Option<&[std::fmt::rt::v1::Argument]>; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _27: &[std::fmt::ArgumentV1]; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
}
}
}
}
scope 2 {
debug v => _1; // in scope 2 at $DIR/issue-73223.rs:3:14: 3:15
debug v => _2; // in scope 2 at $DIR/issue-73223.rs:3:14: 3:15
}
scope 7 {
}
@ -63,14 +65,14 @@
}
bb0: {
StorageLive(_2); // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
((_2 as Some).0: i32) = const 1_i32; // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
discriminant(_2) = 1; // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
_1 = ((_2 as Some).0: i32); // scope 0 at $DIR/issue-73223.rs:3:14: 3:15
StorageDead(_2); // scope 0 at $DIR/issue-73223.rs:5:6: 5:7
((_3 as Some).0: i32) = _1; // scope 1 at $DIR/issue-73223.rs:7:22: 7:27
StorageLive(_1); // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
((_1 as Some).0: i32) = const 1_i32; // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
discriminant(_1) = 1; // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
_2 = ((_1 as Some).0: i32); // scope 0 at $DIR/issue-73223.rs:3:14: 3:15
StorageDead(_1); // scope 0 at $DIR/issue-73223.rs:5:6: 5:7
((_3 as Some).0: i32) = _2; // scope 1 at $DIR/issue-73223.rs:7:22: 7:27
discriminant(_3) = 1; // scope 1 at $DIR/issue-73223.rs:7:17: 7:28
(_4.0: &i32) = &_1; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_4.0: &i32) = &_2; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_4.1: &i32) = const main::promoted[1]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
// ty::Const
// + ty: &i32
@ -78,93 +80,99 @@
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + literal: Const { ty: &i32, val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), const_param_did: None }, [], Some(promoted[1])) }
_13 = (_4.0: &i32); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_15 = (_4.1: &i32); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_5); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_6); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_5); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_5 = (_4.0: &i32); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_6 = (_4.1: &i32); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_7); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_7 = (*_13); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_6 = Eq(move _7, const 1_i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_7); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_5 = Not(move _6); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_6); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
switchInt(_5) -> [false: bb1, otherwise: bb2]; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_8); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_9); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_9 = (*_5); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_8 = Eq(move _9, const 1_i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_9); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_7 = Not(move _8); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_8); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
switchInt(_7) -> [false: bb1, otherwise: bb2]; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
}
bb1: {
StorageDead(_5); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_7); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_5); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_0 = const (); // scope 0 at $DIR/issue-73223.rs:1:11: 9:2
return; // scope 0 at $DIR/issue-73223.rs:9:2: 9:2
}
bb2: {
(_9.0: &[&str]) = const main::promoted[0] as &[&str] (Pointer(Unsize)); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_11); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_25 = const main::promoted[0] as &[&str] (Pointer(Unsize)); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
// ty::Const
// + ty: &[&str; 3]
// + val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), const_param_did: None }, [], Some(promoted[0]))
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + literal: Const { ty: &[&str; 3], val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), const_param_did: None }, [], Some(promoted[0])) }
StorageLive(_11); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
(_12.0: &&i32) = &_13; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_14); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_14 = &_15; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_12.1: &&i32) = move _14; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageDead(_14); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_20 = (_12.0: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_23 = (_12.1: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_19 = <&i32 as 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
StorageLive(_13); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageLive(_15); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_15 = _5; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_14.0: &&i32) = &_15; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_16); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_16 = &_6; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_14.1: &&i32) = move _16; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageDead(_16); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_21 = (_14.0: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_24 = (_14.1: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_20 = <&i32 as 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
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + 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>)) }
StorageLive(_18); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_18 = transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _19) -> bb3; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageLive(_19); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_19 = transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _20) -> bb3; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// + 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>)) }
}
bb3: {
(_16.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _20) -> bb4; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_17.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _21) -> bb4; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// + literal: Const { ty: unsafe extern "rust-intrinsic" fn(&&i32) -> &core::fmt::Opaque {std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>}, val: Value(Scalar(<ZST>)) }
}
bb4: {
(_16.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _18; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_18); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_22 = <&i32 as 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
(_17.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _19; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_19); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_23 = <&i32 as 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
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + 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>)) }
StorageLive(_21); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_21 = transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _22) -> bb5; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageLive(_22); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_22 = transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _23) -> bb5; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// + 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>)) }
}
bb5: {
(_17.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _23) -> bb6; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_18.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _24) -> bb6; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// + literal: Const { ty: unsafe extern "rust-intrinsic" fn(&&i32) -> &core::fmt::Opaque {std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>}, val: Value(Scalar(<ZST>)) }
}
bb6: {
(_17.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _21; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_21); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_11 = [move _16, move _17]; // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
(_18.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _22; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_22); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_13 = [move _17, move _18]; // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
_12 = &_13; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_27 = move _12 as &[std::fmt::ArgumentV1] (Pointer(Unsize)); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageLive(_26); // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
discriminant(_26) = 0; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_11.0: &[&str]) = move _25; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_11.1: std::option::Option<&[std::fmt::rt::v1::Argument]>) = move _26; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_11.2: &[std::fmt::ArgumentV1]) = move _27; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_26); // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_10 = &_11; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_25 = move _10 as &[std::fmt::ArgumentV1] (Pointer(Unsize)); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageLive(_24); // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
discriminant(_24) = 0; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_9.1: std::option::Option<&[std::fmt::rt::v1::Argument]>) = move _24; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_9.2: &[std::fmt::ArgumentV1]) = move _25; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_24); // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_8 = &_9; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
begin_panic_fmt(move _8); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
begin_panic_fmt(move _10); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/std/src/macros.rs:LL:COL
// + literal: Const { ty: for<'r, 's> fn(&'r std::fmt::Arguments<'s>) -> ! {std::rt::begin_panic_fmt}, val: Value(Scalar(<ZST>)) }

170
src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff
View file

@ -3,59 +3,61 @@
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/issue-73223.rs:1:11: 1:11
let _1: i32; // in scope 0 at $DIR/issue-73223.rs:2:9: 2:14
let mut _2: std::option::Option<i32>; // in scope 0 at $DIR/issue-73223.rs:2:23: 2:30
let mut _1: std::option::Option<i32>; // in scope 0 at $DIR/issue-73223.rs:2:23: 2:30
let _2: i32; // in scope 0 at $DIR/issue-73223.rs:3:14: 3:15
let mut _4: (&i32, &i32); // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _5: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _6: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _7: i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _8: &std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _9: std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _10: &[std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _11: [std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _12: (&&i32, &&i32); // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _13: &i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _14: &&i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _7: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _8: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _9: i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _10: &std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _11: std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _12: &[std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _13: [std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _14: (&&i32, &&i32); // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _15: &i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _16: std::fmt::ArgumentV1; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _16: &&i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _17: std::fmt::ArgumentV1; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _18: std::fmt::ArgumentV1; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
scope 1 {
debug split => _1; // in scope 1 at $DIR/issue-73223.rs:2:9: 2:14
debug split => _2; // in scope 1 at $DIR/issue-73223.rs:2:9: 2:14
let _3: std::option::Option<i32>; // in scope 1 at $DIR/issue-73223.rs:7:9: 7:14
scope 3 {
debug _prev => _3; // in scope 3 at $DIR/issue-73223.rs:7:9: 7:14
let _5: &i32; // in scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let _6: &i32; // in scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 4 {
debug left_val => _13; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug right_val => _15; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug left_val => _5; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug right_val => _6; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 5 {
debug arg0 => _20; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug arg1 => _23; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug arg0 => _21; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug arg1 => _24; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 6 {
debug x => _20; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _19; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _18: 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
let mut _19: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _20: &&i32; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
debug x => _21; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _20; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _19: 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
let mut _20: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _21: &&i32; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
}
scope 8 {
debug x => _23; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _22; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _21: 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
let mut _22: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _23: &&i32; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
debug x => _24; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _23; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _22: 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
let mut _23: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _24: &&i32; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
}
}
scope 10 {
debug pieces => (_9.0: &[&str]); // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug args => _25; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _24: std::option::Option<&[std::fmt::rt::v1::Argument]>; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _25: &[std::fmt::ArgumentV1]; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
debug pieces => _25; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug args => _27; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _25: &[&str]; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _26: std::option::Option<&[std::fmt::rt::v1::Argument]>; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _27: &[std::fmt::ArgumentV1]; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
}
}
}
}
scope 2 {
debug v => _1; // in scope 2 at $DIR/issue-73223.rs:3:14: 3:15
debug v => _2; // in scope 2 at $DIR/issue-73223.rs:3:14: 3:15
}
scope 7 {
}
@ -63,14 +65,14 @@
}
bb0: {
StorageLive(_2); // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
((_2 as Some).0: i32) = const 1_i32; // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
discriminant(_2) = 1; // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
_1 = ((_2 as Some).0: i32); // scope 0 at $DIR/issue-73223.rs:3:14: 3:15
StorageDead(_2); // scope 0 at $DIR/issue-73223.rs:5:6: 5:7
((_3 as Some).0: i32) = _1; // scope 1 at $DIR/issue-73223.rs:7:22: 7:27
StorageLive(_1); // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
((_1 as Some).0: i32) = const 1_i32; // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
discriminant(_1) = 1; // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
_2 = ((_1 as Some).0: i32); // scope 0 at $DIR/issue-73223.rs:3:14: 3:15
StorageDead(_1); // scope 0 at $DIR/issue-73223.rs:5:6: 5:7
((_3 as Some).0: i32) = _2; // scope 1 at $DIR/issue-73223.rs:7:22: 7:27
discriminant(_3) = 1; // scope 1 at $DIR/issue-73223.rs:7:17: 7:28
(_4.0: &i32) = &_1; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_4.0: &i32) = &_2; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_4.1: &i32) = const main::promoted[1]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
// ty::Const
// + ty: &i32
@ -78,93 +80,99 @@
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + literal: Const { ty: &i32, val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), const_param_did: None }, [], Some(promoted[1])) }
_13 = (_4.0: &i32); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_15 = (_4.1: &i32); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_5); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_6); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_5); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_5 = (_4.0: &i32); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_6 = (_4.1: &i32); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_7); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_7 = (*_13); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_6 = Eq(move _7, const 1_i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_7); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_5 = Not(move _6); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_6); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
switchInt(_5) -> [false: bb1, otherwise: bb2]; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_8); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_9); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_9 = (*_5); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_8 = Eq(move _9, const 1_i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_9); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_7 = Not(move _8); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_8); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
switchInt(_7) -> [false: bb1, otherwise: bb2]; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
}
bb1: {
StorageDead(_5); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_7); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_5); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_0 = const (); // scope 0 at $DIR/issue-73223.rs:1:11: 9:2
return; // scope 0 at $DIR/issue-73223.rs:9:2: 9:2
}
bb2: {
(_9.0: &[&str]) = const main::promoted[0] as &[&str] (Pointer(Unsize)); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_11); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_25 = const main::promoted[0] as &[&str] (Pointer(Unsize)); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
// ty::Const
// + ty: &[&str; 3]
// + val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), const_param_did: None }, [], Some(promoted[0]))
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + literal: Const { ty: &[&str; 3], val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main[0]), const_param_did: None }, [], Some(promoted[0])) }
StorageLive(_11); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
(_12.0: &&i32) = &_13; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_14); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_14 = &_15; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_12.1: &&i32) = move _14; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageDead(_14); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_20 = (_12.0: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_23 = (_12.1: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_19 = <&i32 as 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
StorageLive(_13); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageLive(_15); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_15 = _5; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_14.0: &&i32) = &_15; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_16); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_16 = &_6; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_14.1: &&i32) = move _16; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageDead(_16); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_21 = (_14.0: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_24 = (_14.1: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_20 = <&i32 as 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
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + 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>)) }
StorageLive(_18); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_18 = transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _19) -> bb3; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageLive(_19); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_19 = transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _20) -> bb3; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// + 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>)) }
}
bb3: {
(_16.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _20) -> bb4; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_17.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _21) -> bb4; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// + literal: Const { ty: unsafe extern "rust-intrinsic" fn(&&i32) -> &core::fmt::Opaque {std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>}, val: Value(Scalar(<ZST>)) }
}
bb4: {
(_16.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _18; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_18); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_22 = <&i32 as 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
(_17.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _19; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_19); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_23 = <&i32 as 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
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + 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>)) }
StorageLive(_21); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_21 = transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _22) -> bb5; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageLive(_22); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_22 = transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _23) -> bb5; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// + 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>)) }
}
bb5: {
(_17.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _23) -> bb6; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_18.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _24) -> bb6; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/core/src/fmt/mod.rs:LL:COL
// + literal: Const { ty: unsafe extern "rust-intrinsic" fn(&&i32) -> &core::fmt::Opaque {std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>}, val: Value(Scalar(<ZST>)) }
}
bb6: {
(_17.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _21; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_21); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_11 = [move _16, move _17]; // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
(_18.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _22; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_22); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_13 = [move _17, move _18]; // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
_12 = &_13; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_27 = move _12 as &[std::fmt::ArgumentV1] (Pointer(Unsize)); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageLive(_26); // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
discriminant(_26) = 0; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_11.0: &[&str]) = move _25; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_11.1: std::option::Option<&[std::fmt::rt::v1::Argument]>) = move _26; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_11.2: &[std::fmt::ArgumentV1]) = move _27; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_26); // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_10 = &_11; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_25 = move _10 as &[std::fmt::ArgumentV1] (Pointer(Unsize)); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageLive(_24); // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
discriminant(_24) = 0; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_9.1: std::option::Option<&[std::fmt::rt::v1::Argument]>) = move _24; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_9.2: &[std::fmt::ArgumentV1]) = move _25; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_24); // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_8 = &_9; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
begin_panic_fmt(move _8); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
begin_panic_fmt(move _10); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
// mir::Constant
// + span: $SRC_DIR/std/src/macros.rs:LL:COL
// + literal: Const { ty: for<'r, 's> fn(&'r std::fmt::Arguments<'s>) -> ! {std::rt::begin_panic_fmt}, val: Value(Scalar(<ZST>)) }

16
src/test/ui/issues/issue-77002.rs Normal file
View file

@ -0,0 +1,16 @@
// compile-flags: -Zmir-opt-level=2 -Copt-level=0
// run-pass
type M = [i64; 2];
fn f(a: &M) -> M {
let mut b: M = M::default();
b[0] = a[0] * a[0];
b
}
fn main() {
let mut a: M = [1, 1];
a = f(&a);
assert_eq!(a[0], 1);
}