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Auto merge of rust-lang#118375 - ouz-a:add_emit_stable_mir_tests, r=c…
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…elinval

Add -Zunpretty=stable-mir output test

As strongly suggested here rust-lang#118364 (comment) this adds output test for `-Zunpretty=stable-mir`, added test shows almost all the functionality of the current printer.

r? `@compiler-errors`
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bors committed Dec 14, 2023
2 parents 2ecba0f + 82ee18c commit 740cea8
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Showing 4 changed files with 280 additions and 14 deletions.
43 changes: 30 additions & 13 deletions compiler/stable_mir/src/mir/pretty.rs
Original file line number Diff line number Diff line change
Expand Up @@ -58,18 +58,35 @@ pub fn pretty_statement(statement: &StatementKind) -> String {
pretty.push_str(format!(" _{} = ", place.local).as_str());
pretty.push_str(format!("{}", &pretty_rvalue(rval)).as_str());
}
StatementKind::FakeRead(_, _) => todo!(),
StatementKind::SetDiscriminant { .. } => todo!(),
StatementKind::Deinit(_) => todo!(),
StatementKind::StorageLive(_) => todo!(),
StatementKind::StorageDead(_) => todo!(),
StatementKind::Retag(_, _) => todo!(),
StatementKind::PlaceMention(_) => todo!(),
StatementKind::AscribeUserType { .. } => todo!(),
StatementKind::Coverage(_) => todo!(),
StatementKind::Intrinsic(_) => todo!(),
StatementKind::ConstEvalCounter => (),
StatementKind::Nop => (),
// FIXME: Add rest of the statements
StatementKind::FakeRead(_, _) => {
return String::from("StatementKind::FakeRead:Unimplemented");
}
StatementKind::SetDiscriminant { .. } => {
return String::from("StatementKind::SetDiscriminant:Unimplemented");
}
StatementKind::Deinit(_) => return String::from("StatementKind::Deinit:Unimplemented"),
StatementKind::StorageLive(_) => {
return String::from("StatementKind::StorageLive:Unimplemented");
}
StatementKind::StorageDead(_) => {
return String::from("StatementKind::StorageDead:Unimplemented");
}
StatementKind::Retag(_, _) => return String::from("StatementKind::Retag:Unimplemented"),
StatementKind::PlaceMention(_) => {
return String::from("StatementKind::PlaceMention:Unimplemented");
}
StatementKind::AscribeUserType { .. } => {
return String::from("StatementKind::AscribeUserType:Unimplemented");
}
StatementKind::Coverage(_) => return String::from("StatementKind::Coverage:Unimplemented"),
StatementKind::Intrinsic(_) => {
return String::from("StatementKind::Intrinsic:Unimplemented");
}
StatementKind::ConstEvalCounter => {
return String::from("StatementKind::ConstEvalCounter:Unimplemented");
}
StatementKind::Nop => return String::from("StatementKind::Nop:Unimplemented"),
}
pretty
}
Expand Down Expand Up @@ -355,7 +372,7 @@ pub fn pretty_rvalue(rval: &Rvalue) -> String {
pretty.push_str(" ");
pretty.push_str(&pretty_ty(cnst.ty().kind()));
}
Rvalue::ShallowInitBox(_, _) => todo!(),
Rvalue::ShallowInitBox(_, _) => (),
Rvalue::ThreadLocalRef(item) => {
pretty.push_str("thread_local_ref");
pretty.push_str(format!("{:#?}", item).as_str());
Expand Down
2 changes: 1 addition & 1 deletion src/tools/tidy/src/ui_tests.rs
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ use std::path::{Path, PathBuf};
const ENTRY_LIMIT: usize = 900;
// FIXME: The following limits should be reduced eventually.
const ISSUES_ENTRY_LIMIT: usize = 1852;
const ROOT_ENTRY_LIMIT: usize = 866;
const ROOT_ENTRY_LIMIT: usize = 867;

const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[
"rs", // test source files
Expand Down
15 changes: 15 additions & 0 deletions tests/ui/stable-mir-print/basic_function.rs
Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
// compile-flags: -Z unpretty=stable-mir -Z mir-opt-level=3
// check-pass
// only-x86_64

fn foo(i:i32) -> i32 {
i + 1
}

fn bar(vec: &mut Vec<i32>) -> Vec<i32> {
let mut new_vec = vec.clone();
new_vec.push(1);
new_vec
}

fn main(){}
234 changes: 234 additions & 0 deletions tests/ui/stable-mir-print/basic_function.stdout
Original file line number Diff line number Diff line change
@@ -0,0 +1,234 @@
// WARNING: This is highly experimental output it's intended for stable-mir developers only.
// If you find a bug or want to improve the output open a issue at https://github.com/rust-lang/project-stable-mir.
fn foo(_0: i32) -> i32 {
let mut _0: (i32, bool);
}
bb0: {
_2 = 1 Add const 1_i32
assert(!move _2 bool),"attempt to compute `{} + {}`, which would overflow", 1, const 1_i32) -> [success: bb1, unwind continue]
}
bb1: {
_0 = move _2
return
}
fn bar(_0: &mut Ty {
id: 10,
kind: RigidTy(
Adt(
AdtDef(
DefId {
id: 3,
name: "std::vec::Vec",
},
),
GenericArgs(
[
Type(
Ty {
id: 11,
kind: Param(
ParamTy {
index: 0,
name: "T",
},
),
},
),
Type(
Ty {
id: 12,
kind: Param(
ParamTy {
index: 1,
name: "A",
},
),
},
),
],
),
),
),
}) -> Ty {
id: 10,
kind: RigidTy(
Adt(
AdtDef(
DefId {
id: 3,
name: "std::vec::Vec",
},
),
GenericArgs(
[
Type(
Ty {
id: 11,
kind: Param(
ParamTy {
index: 0,
name: "T",
},
),
},
),
Type(
Ty {
id: 12,
kind: Param(
ParamTy {
index: 1,
name: "A",
},
),
},
),
],
),
),
),
} {
let mut _0: Ty {
id: 10,
kind: RigidTy(
Adt(
AdtDef(
DefId {
id: 3,
name: "std::vec::Vec",
},
),
GenericArgs(
[
Type(
Ty {
id: 11,
kind: Param(
ParamTy {
index: 0,
name: "T",
},
),
},
),
Type(
Ty {
id: 12,
kind: Param(
ParamTy {
index: 1,
name: "A",
},
),
},
),
],
),
),
),
};
let mut _1: &Ty {
id: 10,
kind: RigidTy(
Adt(
AdtDef(
DefId {
id: 3,
name: "std::vec::Vec",
},
),
GenericArgs(
[
Type(
Ty {
id: 11,
kind: Param(
ParamTy {
index: 0,
name: "T",
},
),
},
),
Type(
Ty {
id: 12,
kind: Param(
ParamTy {
index: 1,
name: "A",
},
),
},
),
],
),
),
),
};
let _2: ();
let mut _3: &mut Ty {
id: 10,
kind: RigidTy(
Adt(
AdtDef(
DefId {
id: 3,
name: "std::vec::Vec",
},
),
GenericArgs(
[
Type(
Ty {
id: 11,
kind: Param(
ParamTy {
index: 0,
name: "T",
},
),
},
),
Type(
Ty {
id: 12,
kind: Param(
ParamTy {
index: 1,
name: "A",
},
),
},
),
],
),
),
),
};
}
bb0: {
_3 = refShared1
_2 = const <Vec<i32> as Clone>::clone(move _3) -> [return: bb1, unwind continue]
}
bb1: {
_5 = refMut {
kind: TwoPhaseBorrow,
}2
_4 = const Vec::<i32>::push(move _5, const 1_i32) -> [return: bb2, unwind: bb3]
}
bb2: {
_0 = move _2
return
}
bb3: {
drop(_2) -> [return: bb4, unwind terminate]
}
bb4: {
resume
}
fn main() -> () {
}
bb0: {
return
}

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