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[mir-opt] Introduce a new flag to enable experimental/unsound mir opts

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This commit is contained in:
Wesley Wiser 2020-09-18 20:14:27 -04:00
parent 7f7a1cbfd3
commit b9d0ea95c8
20 changed files with 397 additions and 359 deletions
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4
compiler/rustc_mir/src/transform/copy_prop.rs
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@ -31,9 +31,11 @@ pub struct CopyPropagation;
impl<'tcx> MirPass<'tcx> for CopyPropagation {
fn run_pass(&self, tcx: TyCtxt<'tcx>, _source: MirSource<'tcx>, body: &mut Body<'tcx>) {
let opts = &tcx.sess.opts.debugging_opts;
// We only run when the MIR optimization level is > 1.
// This avoids a slow pass, and messing up debug info.
if tcx.sess.opts.debugging_opts.mir_opt_level <= 1 {
// FIXME(76740): This optimization is buggy and can cause unsoundness.
if opts.mir_opt_level <= 1 || !opts.unsound_mir_opts {
return;
}

2
compiler/rustc_session/src/options.rs
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@ -1115,6 +1115,8 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
`hir,typed` (HIR with types for each node),
`hir-tree` (dump the raw HIR),
`mir` (the MIR), or `mir-cfg` (graphviz formatted MIR)"),
unsound_mir_opts: bool = (false, parse_bool, [TRACKED],
"enable unsound and buggy MIR optimizations (default: no)"),
unstable_options: bool = (false, parse_bool, [UNTRACKED],
"adds unstable command line options to rustc interface (default: no)"),
use_ctors_section: Option<bool> = (None, parse_opt_bool, [TRACKED],

1
src/test/mir-opt/copy_propagation.rs
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@ -1,3 +1,4 @@
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR copy_propagation.test.CopyPropagation.diff
fn test(x: u32) -> u32 {

18
src/test/mir-opt/copy_propagation.test.CopyPropagation.diff
View File

@ -2,19 +2,19 @@
+ // MIR for `test` after CopyPropagation
fn test(_1: u32) -> u32 {
debug x => _1; // in scope 0 at $DIR/copy_propagation.rs:3:9: 3:10
let mut _0: u32; // return place in scope 0 at $DIR/copy_propagation.rs:3:20: 3:23
let _2: u32; // in scope 0 at $DIR/copy_propagation.rs:4:9: 4:10
debug x => _1; // in scope 0 at $DIR/copy_propagation.rs:4:9: 4:10
let mut _0: u32; // return place in scope 0 at $DIR/copy_propagation.rs:4:20: 4:23
let _2: u32; // in scope 0 at $DIR/copy_propagation.rs:5:9: 5:10
scope 1 {
debug y => _0; // in scope 1 at $DIR/copy_propagation.rs:4:9: 4:10
debug y => _0; // in scope 1 at $DIR/copy_propagation.rs:5:9: 5:10
}
bb0: {
nop; // scope 0 at $DIR/copy_propagation.rs:4:9: 4:10
_0 = _1; // scope 0 at $DIR/copy_propagation.rs:4:13: 4:14
nop; // scope 1 at $DIR/copy_propagation.rs:5:5: 5:6
nop; // scope 0 at $DIR/copy_propagation.rs:6:1: 6:2
return; // scope 0 at $DIR/copy_propagation.rs:6:2: 6:2
nop; // scope 0 at $DIR/copy_propagation.rs:5:9: 5:10
_0 = _1; // scope 0 at $DIR/copy_propagation.rs:5:13: 5:14
nop; // scope 1 at $DIR/copy_propagation.rs:6:5: 6:6
nop; // scope 0 at $DIR/copy_propagation.rs:7:1: 7:2
return; // scope 0 at $DIR/copy_propagation.rs:7:2: 7:2
}
}

2
src/test/mir-opt/early_otherwise_branch_68867.rs
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@ -1,5 +1,5 @@
// ignore-tidy-linelength
// compile-flags: -Z mir-opt-level=3
// compile-flags: -Z mir-opt-level=3 -Zunsound-mir-opts
// example from #68867
type CSSFloat = f32;

2
src/test/mir-opt/inline/inline-any-operand.rs
View File

@ -1,4 +1,4 @@
// compile-flags: -Z span_free_formats
// compile-flags: -Z span_free_formats -Zunsound-mir-opts
// Tests that MIR inliner works for any operand

2
src/test/mir-opt/inline/inline-closure-borrows-arg.rs
View File

@ -1,4 +1,4 @@
// compile-flags: -Z span_free_formats
// compile-flags: -Z span_free_formats -Zunsound-mir-opts
// Tests that MIR inliner can handle closure arguments,
// even when (#45894)

2
src/test/mir-opt/inline/inline-trait-method_2.rs
View File

@ -1,4 +1,4 @@
// compile-flags: -Z span_free_formats -Z mir-opt-level=3
// compile-flags: -Z span_free_formats -Z mir-opt-level=3 -Zunsound-mir-opts
// EMIT_MIR inline_trait_method_2.test2.Inline.after.mir
fn test2(x: &dyn X) -> bool {

207
src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff
View File

@ -3,61 +3,65 @@
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/issue-73223.rs:1:11: 1:11
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 _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: &&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
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 _3: i32; // in scope 0 at $DIR/issue-73223.rs:3:14: 3:15
let mut _5: (&i32, &i32); // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _6: &i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _9: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _10: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _11: i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _12: &std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _13: std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _14: &[&str; 3]; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _15: &[std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _16: [std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _17: (&&i32, &&i32); // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _18: &i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _19: &&i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let _20: &i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _21: std::fmt::ArgumentV1; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _22: std::fmt::ArgumentV1; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
scope 1 {
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
debug split => _1; // in scope 1 at $DIR/issue-73223.rs:2:9: 2:14
let _4: 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
debug _prev => _4; // in scope 3 at $DIR/issue-73223.rs:7:9: 7:14
let _7: &i32; // in scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let _8: &i32; // in scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 4 {
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
debug left_val => _7; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug right_val => _8; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 5 {
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
debug arg0 => _25; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug arg1 => _28; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 6 {
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
debug x => _25; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _24; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _23: 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 _24: 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 _25: &&i32; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
}
scope 8 {
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
debug x => _28; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _27; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _26: 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 _27: 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 _28: &&i32; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
}
}
scope 10 {
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
debug pieces => _29; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug args => _31; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _29: &[&str]; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _30: std::option::Option<&[std::fmt::rt::v1::Argument]>; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _31: &[std::fmt::ArgumentV1]; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
}
}
}
}
scope 2 {
debug v => _2; // in scope 2 at $DIR/issue-73223.rs:3:14: 3:15
debug v => _3; // in scope 2 at $DIR/issue-73223.rs:3:14: 3:15
}
scope 7 {
}
@ -65,114 +69,125 @@
}
bb0: {
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) = &_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
StorageLive(_1); // scope 0 at $DIR/issue-73223.rs:2:9: 2:14
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
StorageLive(_3); // scope 0 at $DIR/issue-73223.rs:3:14: 3:15
_3 = ((_2 as Some).0: i32); // scope 0 at $DIR/issue-73223.rs:3:14: 3:15
_1 = _3; // scope 2 at $DIR/issue-73223.rs:3:20: 3:21
StorageDead(_3); // scope 0 at $DIR/issue-73223.rs:3:20: 3:21
StorageDead(_2); // scope 0 at $DIR/issue-73223.rs:5:6: 5:7
((_4 as Some).0: i32) = _1; // scope 1 at $DIR/issue-73223.rs:7:22: 7:27
discriminant(_4) = 1; // scope 1 at $DIR/issue-73223.rs:7:17: 7:28
(_5.0: &i32) = &_1; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_6 = const main::promoted[1]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
// ty::Const
// + ty: &i32
// + val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, [], Some(promoted[1]))
// 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), const_param_did: None }, [], Some(promoted[1])) }
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
StorageLive(_8); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_5.1: &i32) = move _6; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_7); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_7 = (_5.0: &i32); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_8); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_8 = (_5.1: &i32); // scope 3 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
StorageLive(_10); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_11); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_11 = (*_7); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_10 = Eq(move _11, const 1_i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_11); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_9 = Not(move _10); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_10); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
switchInt(_9) -> [false: bb1, otherwise: bb2]; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
}
bb1: {
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
StorageDead(_9); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_8); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_7); // 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
StorageDead(_1); // scope 0 at $DIR/issue-73223.rs:9:1: 9:2
return; // scope 0 at $DIR/issue-73223.rs:9:2: 9:2
}
bb2: {
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
StorageLive(_13); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_14 = const main::promoted[0]; // 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), 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), const_param_did: None }, [], Some(promoted[0])) }
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
_29 = move _14 as &[&str] (Pointer(Unsize)); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_16); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageLive(_18); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_18 = _7; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_17.0: &&i32) = &_18; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_19); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_20); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_20 = _8; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_19 = &_20; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_17.1: &&i32) = move _19; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageDead(_19); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_25 = (_17.0: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_28 = (_17.1: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_24 = <&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(_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
StorageLive(_23); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_23 = 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 _24) -> 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: {
(_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
(_21.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _25) -> 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: {
(_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
(_21.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _23; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_23); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_27 = <&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(_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
StorageLive(_26); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_26 = 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 _27) -> 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: {
(_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
(_22.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _28) -> 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: {
(_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
(_22.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _26; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_26); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_16 = [move _21, move _22]; // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
_15 = &_16; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_31 = move _15 as &[std::fmt::ArgumentV1] (Pointer(Unsize)); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageLive(_30); // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
discriminant(_30) = 0; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_13.0: &[&str]) = move _29; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_13.1: std::option::Option<&[std::fmt::rt::v1::Argument]>) = move _30; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_13.2: &[std::fmt::ArgumentV1]) = move _31; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_30); // scope 10 at $SRC_DIR/core/src/fmt/mod.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
begin_panic_fmt(move _10); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
begin_panic_fmt(move _12); // 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>)) }

207
src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff
View File

@ -3,61 +3,65 @@
fn main() -> () {
let mut _0: (); // return place in scope 0 at $DIR/issue-73223.rs:1:11: 1:11
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 _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: &&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
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 _3: i32; // in scope 0 at $DIR/issue-73223.rs:3:14: 3:15
let mut _5: (&i32, &i32); // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _6: &i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _9: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _10: bool; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _11: i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _12: &std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _13: std::fmt::Arguments; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _14: &[&str; 3]; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _15: &[std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _16: [std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _17: (&&i32, &&i32); // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let _18: &i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _19: &&i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let _20: &i32; // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let mut _21: std::fmt::ArgumentV1; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _22: std::fmt::ArgumentV1; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL
scope 1 {
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
debug split => _1; // in scope 1 at $DIR/issue-73223.rs:2:9: 2:14
let _4: 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
debug _prev => _4; // in scope 3 at $DIR/issue-73223.rs:7:9: 7:14
let _7: &i32; // in scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
let _8: &i32; // in scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 4 {
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
debug left_val => _7; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug right_val => _8; // in scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 5 {
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
debug arg0 => _25; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
debug arg1 => _28; // in scope 5 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
scope 6 {
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
debug x => _25; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _24; // in scope 6 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _23: 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 _24: 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 _25: &&i32; // in scope 6 at $SRC_DIR/std/src/macros.rs:LL:COL
}
scope 8 {
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
debug x => _28; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug f => _27; // in scope 8 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _26: 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 _27: 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 _28: &&i32; // in scope 8 at $SRC_DIR/std/src/macros.rs:LL:COL
}
}
scope 10 {
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
debug pieces => _29; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
debug args => _31; // in scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
let mut _29: &[&str]; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _30: std::option::Option<&[std::fmt::rt::v1::Argument]>; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
let mut _31: &[std::fmt::ArgumentV1]; // in scope 10 at $SRC_DIR/std/src/macros.rs:LL:COL
}
}
}
}
scope 2 {
debug v => _2; // in scope 2 at $DIR/issue-73223.rs:3:14: 3:15
debug v => _3; // in scope 2 at $DIR/issue-73223.rs:3:14: 3:15
}
scope 7 {
}
@ -65,114 +69,125 @@
}
bb0: {
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) = &_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
StorageLive(_1); // scope 0 at $DIR/issue-73223.rs:2:9: 2:14
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
StorageLive(_3); // scope 0 at $DIR/issue-73223.rs:3:14: 3:15
_3 = ((_2 as Some).0: i32); // scope 0 at $DIR/issue-73223.rs:3:14: 3:15
_1 = _3; // scope 2 at $DIR/issue-73223.rs:3:20: 3:21
StorageDead(_3); // scope 0 at $DIR/issue-73223.rs:3:20: 3:21
StorageDead(_2); // scope 0 at $DIR/issue-73223.rs:5:6: 5:7
((_4 as Some).0: i32) = _1; // scope 1 at $DIR/issue-73223.rs:7:22: 7:27
discriminant(_4) = 1; // scope 1 at $DIR/issue-73223.rs:7:17: 7:28
(_5.0: &i32) = &_1; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_6 = const main::promoted[1]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
// ty::Const
// + ty: &i32
// + val: Unevaluated(WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, [], Some(promoted[1]))
// 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), const_param_did: None }, [], Some(promoted[1])) }
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
StorageLive(_8); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_5.1: &i32) = move _6; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_7); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_7 = (_5.0: &i32); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_8); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_8 = (_5.1: &i32); // scope 3 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
StorageLive(_10); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_11); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_11 = (*_7); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_10 = Eq(move _11, const 1_i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_11); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_9 = Not(move _10); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_10); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
switchInt(_9) -> [false: bb1, otherwise: bb2]; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
}
bb1: {
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
StorageDead(_9); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_8); // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageDead(_7); // 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
StorageDead(_1); // scope 0 at $DIR/issue-73223.rs:9:1: 9:2
return; // scope 0 at $DIR/issue-73223.rs:9:2: 9:2
}
bb2: {
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
StorageLive(_13); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_14 = const main::promoted[0]; // 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), 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), const_param_did: None }, [], Some(promoted[0])) }
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
_29 = move _14 as &[&str] (Pointer(Unsize)); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_16); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageLive(_18); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_18 = _7; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_17.0: &&i32) = &_18; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_19); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
StorageLive(_20); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_20 = _8; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_19 = &_20; // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
(_17.1: &&i32) = move _19; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageDead(_19); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_25 = (_17.0: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_28 = (_17.1: &&i32); // scope 4 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
_24 = <&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(_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
StorageLive(_23); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_23 = 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 _24) -> 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: {
(_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
(_21.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _25) -> 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: {
(_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
(_21.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _23; // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_23); // scope 7 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_27 = <&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(_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
StorageLive(_26); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_26 = 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 _27) -> 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: {
(_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
(_22.0: &core::fmt::Opaque) = transmute::<&&i32, &core::fmt::Opaque>(move _28) -> 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: {
(_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
(_22.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _26; // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_26); // scope 9 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
_16 = [move _21, move _22]; // scope 5 at $SRC_DIR/std/src/macros.rs:LL:COL
_15 = &_16; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
_31 = move _15 as &[std::fmt::ArgumentV1] (Pointer(Unsize)); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
StorageLive(_30); // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
discriminant(_30) = 0; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_13.0: &[&str]) = move _29; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_13.1: std::option::Option<&[std::fmt::rt::v1::Argument]>) = move _30; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
(_13.2: &[std::fmt::ArgumentV1]) = move _31; // scope 10 at $SRC_DIR/core/src/fmt/mod.rs:LL:COL
StorageDead(_30); // scope 10 at $SRC_DIR/core/src/fmt/mod.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
begin_panic_fmt(move _10); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL
begin_panic_fmt(move _12); // 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>)) }

2
src/test/mir-opt/nrvo-simple.rs
View File

@ -1,4 +1,4 @@
// compile-flags: -Zmir-opt-level=1
// compile-flags: -Zmir-opt-level=1 -Zunsound-mir-opts
// EMIT_MIR nrvo_simple.nrvo.RenameReturnPlace.diff
fn nrvo(init: fn(&mut [u8; 1024])) -> [u8; 1024] {

2
src/test/mir-opt/simplify-locals-removes-unused-discriminant-reads.rs
View File

@ -1,3 +1,5 @@
// compile-flags: -Zunsound-mir-opts
fn map(x: Option<Box<()>>) -> Option<Box<()>> {
match x {
None => None,

30
src/test/mir-opt/simplify_locals_removes_unused_discriminant_reads.map.SimplifyLocals.32bit.diff
View File

@ -2,25 +2,25 @@
+ // MIR for `map` after SimplifyLocals
fn map(_1: Option<Box<()>>) -> Option<Box<()>> {
debug x => _1; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:1:8: 1:9
let mut _0: std::option::Option<std::boxed::Box<()>>; // return place in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:1:31: 1:46
- let mut _2: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13
- let _3: std::boxed::Box<()>; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:14: 4:15
- let mut _4: std::boxed::Box<()>; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:25: 4:26
- let mut _5: bool; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2
- let mut _6: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2
- let mut _7: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2
debug x => _1; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:8: 3:9
let mut _0: std::option::Option<std::boxed::Box<()>>; // return place in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:31: 3:46
- let mut _2: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:5:9: 5:13
- let _3: std::boxed::Box<()>; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:14: 6:15
- let mut _4: std::boxed::Box<()>; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:25: 6:26
- let mut _5: bool; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:8:1: 8:2
- let mut _6: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:8:1: 8:2
- let mut _7: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:8:1: 8:2
scope 1 {
debug x => ((_0 as Some).0: std::boxed::Box<()>); // in scope 1 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:14: 4:15
debug x => ((_0 as Some).0: std::boxed::Box<()>); // in scope 1 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:14: 6:15
}
bb0: {
- _5 = const false; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13
- _5 = const true; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13
- _2 = discriminant(_1); // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13
_0 = move _1; // scope 1 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:20: 4:27
- _6 = discriminant(_1); // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2
return; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:2: 6:2
- _5 = const false; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:5:9: 5:13
- _5 = const true; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:5:9: 5:13
- _2 = discriminant(_1); // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:5:9: 5:13
_0 = move _1; // scope 1 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:20: 6:27
- _6 = discriminant(_1); // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:8:1: 8:2
return; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:8:2: 8:2
}
}

30
src/test/mir-opt/simplify_locals_removes_unused_discriminant_reads.map.SimplifyLocals.64bit.diff
View File

@ -2,25 +2,25 @@
+ // MIR for `map` after SimplifyLocals
fn map(_1: Option<Box<()>>) -> Option<Box<()>> {
debug x => _1; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:1:8: 1:9
let mut _0: std::option::Option<std::boxed::Box<()>>; // return place in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:1:31: 1:46
- let mut _2: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13
- let _3: std::boxed::Box<()>; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:14: 4:15
- let mut _4: std::boxed::Box<()>; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:25: 4:26
- let mut _5: bool; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2
- let mut _6: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2
- let mut _7: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2
debug x => _1; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:8: 3:9
let mut _0: std::option::Option<std::boxed::Box<()>>; // return place in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:31: 3:46
- let mut _2: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:5:9: 5:13
- let _3: std::boxed::Box<()>; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:14: 6:15
- let mut _4: std::boxed::Box<()>; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:25: 6:26
- let mut _5: bool; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:8:1: 8:2
- let mut _6: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:8:1: 8:2
- let mut _7: isize; // in scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:8:1: 8:2
scope 1 {
debug x => ((_0 as Some).0: std::boxed::Box<()>); // in scope 1 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:14: 4:15
debug x => ((_0 as Some).0: std::boxed::Box<()>); // in scope 1 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:14: 6:15
}
bb0: {
- _5 = const false; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13
- _5 = const true; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13
- _2 = discriminant(_1); // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:3:9: 3:13
_0 = move _1; // scope 1 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:4:20: 4:27
- _6 = discriminant(_1); // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:1: 6:2
return; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:2: 6:2
- _5 = const false; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:5:9: 5:13
- _5 = const true; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:5:9: 5:13
- _2 = discriminant(_1); // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:5:9: 5:13
_0 = move _1; // scope 1 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:6:20: 6:27
- _6 = discriminant(_1); // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:8:1: 8:2
return; // scope 0 at $DIR/simplify-locals-removes-unused-discriminant-reads.rs:8:2: 8:2
}
}

1
src/test/mir-opt/simplify_try.rs
View File

@ -1,3 +1,4 @@
// compile-flags: -Zunsound-mir-opts
// EMIT_MIR simplify_try.try_identity.SimplifyArmIdentity.diff
// EMIT_MIR simplify_try.try_identity.SimplifyBranchSame.after.mir
// EMIT_MIR simplify_try.try_identity.SimplifyLocals.after.mir

70
src/test/mir-opt/simplify_try.try_identity.DestinationPropagation.diff
View File

@ -2,35 +2,35 @@
+ // MIR for `try_identity` after DestinationPropagation
fn try_identity(_1: std::result::Result<u32, i32>) -> std::result::Result<u32, i32> {
debug x => _1; // in scope 0 at $DIR/simplify_try.rs:6:17: 6:18
let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:6:41: 6:57
let _2: u32; // in scope 0 at $DIR/simplify_try.rs:7:9: 7:10
let mut _3: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:7:13: 7:15
let mut _4: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:7:13: 7:14
let mut _5: isize; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let _6: i32; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let mut _7: !; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let mut _8: i32; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let mut _9: i32; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let _10: u32; // in scope 0 at $DIR/simplify_try.rs:7:13: 7:15
let mut _11: u32; // in scope 0 at $DIR/simplify_try.rs:8:8: 8:9
debug x => _1; // in scope 0 at $DIR/simplify_try.rs:7:17: 7:18
let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:7:41: 7:57
let _2: u32; // in scope 0 at $DIR/simplify_try.rs:8:9: 8:10
let mut _3: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:8:13: 8:15
let mut _4: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:8:13: 8:14
let mut _5: isize; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let _6: i32; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let mut _7: !; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let mut _8: i32; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let mut _9: i32; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let _10: u32; // in scope 0 at $DIR/simplify_try.rs:8:13: 8:15
let mut _11: u32; // in scope 0 at $DIR/simplify_try.rs:9:8: 9:9
scope 1 {
debug y => ((_0 as Ok).0: u32); // in scope 1 at $DIR/simplify_try.rs:7:9: 7:10
debug y => ((_0 as Ok).0: u32); // in scope 1 at $DIR/simplify_try.rs:8:9: 8:10
}
scope 2 {
debug err => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify_try.rs:7:14: 7:15
debug err => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify_try.rs:8:14: 8:15
scope 3 {
scope 7 {
debug t => ((_0 as Err).0: i32); // in scope 7 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
}
scope 8 {
debug v => ((_0 as Err).0: i32); // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
let mut _12: i32; // in scope 8 at $DIR/simplify_try.rs:7:14: 7:15
let mut _12: i32; // in scope 8 at $DIR/simplify_try.rs:8:14: 8:15
}
}
}
scope 4 {
debug val => ((_0 as Ok).0: u32); // in scope 4 at $DIR/simplify_try.rs:7:13: 7:15
debug val => ((_0 as Ok).0: u32); // in scope 4 at $DIR/simplify_try.rs:8:13: 8:15
scope 5 {
}
}
@ -40,33 +40,33 @@
}
bb0: {
StorageLive(_2); // scope 0 at $DIR/simplify_try.rs:7:9: 7:10
- StorageLive(_3); // scope 0 at $DIR/simplify_try.rs:7:13: 7:15
- StorageLive(_4); // scope 0 at $DIR/simplify_try.rs:7:13: 7:14
- _4 = _1; // scope 0 at $DIR/simplify_try.rs:7:13: 7:14
StorageLive(_2); // scope 0 at $DIR/simplify_try.rs:8:9: 8:10
- StorageLive(_3); // scope 0 at $DIR/simplify_try.rs:8:13: 8:15
- StorageLive(_4); // scope 0 at $DIR/simplify_try.rs:8:13: 8:14
- _4 = _1; // scope 0 at $DIR/simplify_try.rs:8:13: 8:14
- _3 = move _4; // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
- StorageDead(_4); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
- _5 = discriminant(_3); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
+ nop; // scope 0 at $DIR/simplify_try.rs:7:13: 7:15
+ nop; // scope 0 at $DIR/simplify_try.rs:7:13: 7:14
+ _0 = _1; // scope 0 at $DIR/simplify_try.rs:7:13: 7:14
- StorageDead(_4); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
- _5 = discriminant(_3); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
+ nop; // scope 0 at $DIR/simplify_try.rs:8:13: 8:15
+ nop; // scope 0 at $DIR/simplify_try.rs:8:13: 8:14
+ _0 = _1; // scope 0 at $DIR/simplify_try.rs:8:13: 8:14
+ nop; // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
+ nop; // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
+ _5 = discriminant(_0); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
goto -> bb1; // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
+ nop; // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
+ _5 = discriminant(_0); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
goto -> bb1; // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
}
bb1: {
- _0 = move _3; // scope 1 at $DIR/simplify_try.rs:8:5: 8:10
- StorageDead(_3); // scope 0 at $DIR/simplify_try.rs:7:15: 7:16
+ nop; // scope 1 at $DIR/simplify_try.rs:8:5: 8:10
+ nop; // scope 0 at $DIR/simplify_try.rs:7:15: 7:16
StorageDead(_2); // scope 0 at $DIR/simplify_try.rs:9:1: 9:2
goto -> bb2; // scope 0 at $DIR/simplify_try.rs:9:2: 9:2
- _0 = move _3; // scope 1 at $DIR/simplify_try.rs:9:5: 9:10
- StorageDead(_3); // scope 0 at $DIR/simplify_try.rs:8:15: 8:16
+ nop; // scope 1 at $DIR/simplify_try.rs:9:5: 9:10
+ nop; // scope 0 at $DIR/simplify_try.rs:8:15: 8:16
StorageDead(_2); // scope 0 at $DIR/simplify_try.rs:10:1: 10:2
goto -> bb2; // scope 0 at $DIR/simplify_try.rs:10:2: 10:2
}
bb2: {
return; // scope 0 at $DIR/simplify_try.rs:9:2: 9:2
return; // scope 0 at $DIR/simplify_try.rs:10:2: 10:2
}
}

102
src/test/mir-opt/simplify_try.try_identity.SimplifyArmIdentity.diff
View File

@ -2,25 +2,25 @@
+ // MIR for `try_identity` after SimplifyArmIdentity
fn try_identity(_1: std::result::Result<u32, i32>) -> std::result::Result<u32, i32> {
debug x => _1; // in scope 0 at $DIR/simplify_try.rs:6:17: 6:18
let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:6:41: 6:57
let _2: u32; // in scope 0 at $DIR/simplify_try.rs:7:9: 7:10
let mut _3: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:7:13: 7:15
let mut _4: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:7:13: 7:14
let mut _5: isize; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let _6: i32; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let mut _7: !; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let mut _8: i32; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let mut _9: i32; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let _10: u32; // in scope 0 at $DIR/simplify_try.rs:7:13: 7:15
let mut _11: u32; // in scope 0 at $DIR/simplify_try.rs:8:8: 8:9
debug x => _1; // in scope 0 at $DIR/simplify_try.rs:7:17: 7:18
let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:7:41: 7:57
let _2: u32; // in scope 0 at $DIR/simplify_try.rs:8:9: 8:10
let mut _3: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:8:13: 8:15
let mut _4: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:8:13: 8:14
let mut _5: isize; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let _6: i32; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let mut _7: !; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let mut _8: i32; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let mut _9: i32; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let _10: u32; // in scope 0 at $DIR/simplify_try.rs:8:13: 8:15
let mut _11: u32; // in scope 0 at $DIR/simplify_try.rs:9:8: 9:9
scope 1 {
- debug y => _2; // in scope 1 at $DIR/simplify_try.rs:7:9: 7:10
+ debug y => ((_0 as Ok).0: u32); // in scope 1 at $DIR/simplify_try.rs:7:9: 7:10
- debug y => _2; // in scope 1 at $DIR/simplify_try.rs:8:9: 8:10
+ debug y => ((_0 as Ok).0: u32); // in scope 1 at $DIR/simplify_try.rs:8:9: 8:10
}
scope 2 {
- debug err => _6; // in scope 2 at $DIR/simplify_try.rs:7:14: 7:15
+ debug err => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify_try.rs:7:14: 7:15
- debug err => _6; // in scope 2 at $DIR/simplify_try.rs:8:14: 8:15
+ debug err => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify_try.rs:8:14: 8:15
scope 3 {
scope 7 {
- debug t => _9; // in scope 7 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
@ -29,13 +29,13 @@
scope 8 {
- debug v => _8; // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
+ debug v => ((_0 as Err).0: i32); // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
let mut _12: i32; // in scope 8 at $DIR/simplify_try.rs:7:14: 7:15
let mut _12: i32; // in scope 8 at $DIR/simplify_try.rs:8:14: 8:15
}
}
}
scope 4 {
- debug val => _10; // in scope 4 at $DIR/simplify_try.rs:7:13: 7:15
+ debug val => ((_0 as Ok).0: u32); // in scope 4 at $DIR/simplify_try.rs:7:13: 7:15
- debug val => _10; // in scope 4 at $DIR/simplify_try.rs:8:13: 8:15
+ debug val => ((_0 as Ok).0: u32); // in scope 4 at $DIR/simplify_try.rs:8:13: 8:15
scope 5 {
}
}
@ -44,55 +44,55 @@
}
bb0: {
StorageLive(_2); // scope 0 at $DIR/simplify_try.rs:7:9: 7:10
StorageLive(_3); // scope 0 at $DIR/simplify_try.rs:7:13: 7:15
StorageLive(_4); // scope 0 at $DIR/simplify_try.rs:7:13: 7:14
_4 = _1; // scope 0 at $DIR/simplify_try.rs:7:13: 7:14
StorageLive(_2); // scope 0 at $DIR/simplify_try.rs:8:9: 8:10
StorageLive(_3); // scope 0 at $DIR/simplify_try.rs:8:13: 8:15
StorageLive(_4); // scope 0 at $DIR/simplify_try.rs:8:13: 8:14
_4 = _1; // scope 0 at $DIR/simplify_try.rs:8:13: 8:14
_3 = move _4; // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
StorageDead(_4); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
_5 = discriminant(_3); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
switchInt(move _5) -> [0_isize: bb1, otherwise: bb2]; // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
StorageDead(_4); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
_5 = discriminant(_3); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
switchInt(move _5) -> [0_isize: bb1, otherwise: bb2]; // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
}
bb1: {
- StorageLive(_10); // scope 0 at $DIR/simplify_try.rs:7:13: 7:15
- _10 = ((_3 as Ok).0: u32); // scope 0 at $DIR/simplify_try.rs:7:13: 7:15
- _2 = _10; // scope 5 at $DIR/simplify_try.rs:7:13: 7:15
- StorageDead(_10); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
+ _0 = move _3; // scope 1 at $DIR/simplify_try.rs:8:5: 8:10
StorageDead(_3); // scope 0 at $DIR/simplify_try.rs:7:15: 7:16
- StorageLive(_11); // scope 1 at $DIR/simplify_try.rs:8:8: 8:9
- _11 = _2; // scope 1 at $DIR/simplify_try.rs:8:8: 8:9
- ((_0 as Ok).0: u32) = move _11; // scope 1 at $DIR/simplify_try.rs:8:5: 8:10
- discriminant(_0) = 0; // scope 1 at $DIR/simplify_try.rs:8:5: 8:10
- StorageDead(_11); // scope 1 at $DIR/simplify_try.rs:8:9: 8:10
StorageDead(_2); // scope 0 at $DIR/simplify_try.rs:9:1: 9:2
goto -> bb3; // scope 0 at $DIR/simplify_try.rs:9:2: 9:2
- StorageLive(_10); // scope 0 at $DIR/simplify_try.rs:8:13: 8:15
- _10 = ((_3 as Ok).0: u32); // scope 0 at $DIR/simplify_try.rs:8:13: 8:15
- _2 = _10; // scope 5 at $DIR/simplify_try.rs:8:13: 8:15
- StorageDead(_10); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
+ _0 = move _3; // scope 1 at $DIR/simplify_try.rs:9:5: 9:10
StorageDead(_3); // scope 0 at $DIR/simplify_try.rs:8:15: 8:16
- StorageLive(_11); // scope 1 at $DIR/simplify_try.rs:9:8: 9:9
- _11 = _2; // scope 1 at $DIR/simplify_try.rs:9:8: 9:9
- ((_0 as Ok).0: u32) = move _11; // scope 1 at $DIR/simplify_try.rs:9:5: 9:10
- discriminant(_0) = 0; // scope 1 at $DIR/simplify_try.rs:9:5: 9:10
- StorageDead(_11); // scope 1 at $DIR/simplify_try.rs:9:9: 9:10
StorageDead(_2); // scope 0 at $DIR/simplify_try.rs:10:1: 10:2
goto -> bb3; // scope 0 at $DIR/simplify_try.rs:10:2: 10:2
}
bb2: {
- StorageLive(_6); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
- _6 = ((_3 as Err).0: i32); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
- StorageLive(_8); // scope 3 at $DIR/simplify_try.rs:7:14: 7:15
- StorageLive(_9); // scope 3 at $DIR/simplify_try.rs:7:14: 7:15
- _9 = _6; // scope 3 at $DIR/simplify_try.rs:7:14: 7:15
- StorageLive(_6); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
- _6 = ((_3 as Err).0: i32); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
- StorageLive(_8); // scope 3 at $DIR/simplify_try.rs:8:14: 8:15
- StorageLive(_9); // scope 3 at $DIR/simplify_try.rs:8:14: 8:15
- _9 = _6; // scope 3 at $DIR/simplify_try.rs:8:14: 8:15
- _8 = move _9; // scope 7 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
- StorageDead(_9); // scope 3 at $DIR/simplify_try.rs:7:14: 7:15
- StorageDead(_9); // scope 3 at $DIR/simplify_try.rs:8:14: 8:15
- StorageLive(_12); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
- _12 = move _8; // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
- ((_0 as Err).0: i32) = move _12; // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
- discriminant(_0) = 1; // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
- StorageDead(_12); // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
- StorageDead(_8); // scope 3 at $DIR/simplify_try.rs:7:14: 7:15
- StorageDead(_6); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
- StorageDead(_8); // scope 3 at $DIR/simplify_try.rs:8:14: 8:15
- StorageDead(_6); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
+ _0 = move _3; // scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
StorageDead(_3); // scope 0 at $DIR/simplify_try.rs:7:15: 7:16
StorageDead(_2); // scope 0 at $DIR/simplify_try.rs:9:1: 9:2
goto -> bb3; // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
StorageDead(_3); // scope 0 at $DIR/simplify_try.rs:8:15: 8:16
StorageDead(_2); // scope 0 at $DIR/simplify_try.rs:10:1: 10:2
goto -> bb3; // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
}
bb3: {
return; // scope 0 at $DIR/simplify_try.rs:9:2: 9:2
return; // scope 0 at $DIR/simplify_try.rs:10:2: 10:2
}
}

56
src/test/mir-opt/simplify_try.try_identity.SimplifyBranchSame.after.mir
View File

@ -1,35 +1,35 @@
// MIR for `try_identity` after SimplifyBranchSame
fn try_identity(_1: std::result::Result<u32, i32>) -> std::result::Result<u32, i32> {
debug x => _1; // in scope 0 at $DIR/simplify_try.rs:6:17: 6:18
let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:6:41: 6:57
let _2: u32; // in scope 0 at $DIR/simplify_try.rs:7:9: 7:10
let mut _3: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:7:13: 7:15
let mut _4: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:7:13: 7:14
let mut _5: isize; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let _6: i32; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let mut _7: !; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let mut _8: i32; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let mut _9: i32; // in scope 0 at $DIR/simplify_try.rs:7:14: 7:15
let _10: u32; // in scope 0 at $DIR/simplify_try.rs:7:13: 7:15
let mut _11: u32; // in scope 0 at $DIR/simplify_try.rs:8:8: 8:9
debug x => _1; // in scope 0 at $DIR/simplify_try.rs:7:17: 7:18
let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:7:41: 7:57
let _2: u32; // in scope 0 at $DIR/simplify_try.rs:8:9: 8:10
let mut _3: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:8:13: 8:15
let mut _4: std::result::Result<u32, i32>; // in scope 0 at $DIR/simplify_try.rs:8:13: 8:14
let mut _5: isize; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let _6: i32; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let mut _7: !; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let mut _8: i32; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let mut _9: i32; // in scope 0 at $DIR/simplify_try.rs:8:14: 8:15
let _10: u32; // in scope 0 at $DIR/simplify_try.rs:8:13: 8:15
let mut _11: u32; // in scope 0 at $DIR/simplify_try.rs:9:8: 9:9
scope 1 {
debug y => ((_0 as Ok).0: u32); // in scope 1 at $DIR/simplify_try.rs:7:9: 7:10
debug y => ((_0 as Ok).0: u32); // in scope 1 at $DIR/simplify_try.rs:8:9: 8:10
}
scope 2 {
debug err => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify_try.rs:7:14: 7:15
debug err => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify_try.rs:8:14: 8:15
scope 3 {
scope 7 {
debug t => ((_0 as Err).0: i32); // in scope 7 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
}
scope 8 {
debug v => ((_0 as Err).0: i32); // in scope 8 at $SRC_DIR/core/src/result.rs:LL:COL
let mut _12: i32; // in scope 8 at $DIR/simplify_try.rs:7:14: 7:15
let mut _12: i32; // in scope 8 at $DIR/simplify_try.rs:8:14: 8:15
}
}
}
scope 4 {
debug val => ((_0 as Ok).0: u32); // in scope 4 at $DIR/simplify_try.rs:7:13: 7:15
debug val => ((_0 as Ok).0: u32); // in scope 4 at $DIR/simplify_try.rs:8:13: 8:15
scope 5 {
}
}
@ -38,24 +38,24 @@ fn try_identity(_1: std::result::Result<u32, i32>) -> std::result::Result<u32, i
}
bb0: {
StorageLive(_2); // scope 0 at $DIR/simplify_try.rs:7:9: 7:10
StorageLive(_3); // scope 0 at $DIR/simplify_try.rs:7:13: 7:15
StorageLive(_4); // scope 0 at $DIR/simplify_try.rs:7:13: 7:14
_4 = _1; // scope 0 at $DIR/simplify_try.rs:7:13: 7:14
StorageLive(_2); // scope 0 at $DIR/simplify_try.rs:8:9: 8:10
StorageLive(_3); // scope 0 at $DIR/simplify_try.rs:8:13: 8:15
StorageLive(_4); // scope 0 at $DIR/simplify_try.rs:8:13: 8:14
_4 = _1; // scope 0 at $DIR/simplify_try.rs:8:13: 8:14
_3 = move _4; // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
StorageDead(_4); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
_5 = discriminant(_3); // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
goto -> bb1; // scope 0 at $DIR/simplify_try.rs:7:14: 7:15
StorageDead(_4); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
_5 = discriminant(_3); // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
goto -> bb1; // scope 0 at $DIR/simplify_try.rs:8:14: 8:15
}
bb1: {
_0 = move _3; // scope 1 at $DIR/simplify_try.rs:8:5: 8:10
StorageDead(_3); // scope 0 at $DIR/simplify_try.rs:7:15: 7:16
StorageDead(_2); // scope 0 at $DIR/simplify_try.rs:9:1: 9:2
goto -> bb2; // scope 0 at $DIR/simplify_try.rs:9:2: 9:2
_0 = move _3; // scope 1 at $DIR/simplify_try.rs:9:5: 9:10
StorageDead(_3); // scope 0 at $DIR/simplify_try.rs:8:15: 8:16
StorageDead(_2); // scope 0 at $DIR/simplify_try.rs:10:1: 10:2
goto -> bb2; // scope 0 at $DIR/simplify_try.rs:10:2: 10:2
}
bb2: {
return; // scope 0 at $DIR/simplify_try.rs:9:2: 9:2
return; // scope 0 at $DIR/simplify_try.rs:10:2: 10:2
}
}

14
src/test/mir-opt/simplify_try.try_identity.SimplifyLocals.after.mir
View File

@ -1,13 +1,13 @@
// MIR for `try_identity` after SimplifyLocals
fn try_identity(_1: std::result::Result<u32, i32>) -> std::result::Result<u32, i32> {
debug x => _1; // in scope 0 at $DIR/simplify_try.rs:6:17: 6:18
let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:6:41: 6:57
debug x => _1; // in scope 0 at $DIR/simplify_try.rs:7:17: 7:18
let mut _0: std::result::Result<u32, i32>; // return place in scope 0 at $DIR/simplify_try.rs:7:41: 7:57
scope 1 {
debug y => ((_0 as Ok).0: u32); // in scope 1 at $DIR/simplify_try.rs:7:9: 7:10
debug y => ((_0 as Ok).0: u32); // in scope 1 at $DIR/simplify_try.rs:8:9: 8:10
}
scope 2 {
debug err => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify_try.rs:7:14: 7:15
debug err => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify_try.rs:8:14: 8:15
scope 3 {
scope 7 {
debug t => ((_0 as Err).0: i32); // in scope 7 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
@ -18,7 +18,7 @@ fn try_identity(_1: std::result::Result<u32, i32>) -> std::result::Result<u32, i
}
}
scope 4 {
debug val => ((_0 as Ok).0: u32); // in scope 4 at $DIR/simplify_try.rs:7:13: 7:15
debug val => ((_0 as Ok).0: u32); // in scope 4 at $DIR/simplify_try.rs:8:13: 8:15
scope 5 {
}
}
@ -27,7 +27,7 @@ fn try_identity(_1: std::result::Result<u32, i32>) -> std::result::Result<u32, i
}
bb0: {
_0 = _1; // scope 0 at $DIR/simplify_try.rs:7:13: 7:14
return; // scope 0 at $DIR/simplify_try.rs:9:2: 9:2
_0 = _1; // scope 0 at $DIR/simplify_try.rs:8:13: 8:14
return; // scope 0 at $DIR/simplify_try.rs:10:2: 10:2
}
}

2
src/test/ui/mir/issue-76740-copy-propagation.rs
View File

@ -1,5 +1,5 @@
// Regression test for issue #76740.
// run-fail FIXME: change to run-pass once #76899 lands
// run-pass
// compile-flags: -Zmir-opt-level=3
#[derive(Copy, Clone)]