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Make unevaluated DefId rendering deterministic

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This commit is contained in:
Oli Scherer 2021-03-29 16:35:21 +00:00
parent 5582b19559
commit 1d56b8a2bc
20 changed files with 37 additions and 23 deletions
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16
compiler/rustc_mir/src/util/pretty.rs
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@ -465,7 +465,21 @@ impl Visitor<'tcx> for ExtraComments<'tcx> {
if use_verbose(ty) {
self.push("ty::Const");
self.push(&format!("+ ty: {:?}", ty));
self.push(&format!("+ val: {:?}", val));
let val = match val {
ty::ConstKind::Param(p) => format!("Param({})", p),
ty::ConstKind::Infer(infer) => format!("Infer({:?})", infer),
ty::ConstKind::Bound(idx, var) => format!("Bound({:?}, {:?})", idx, var),
ty::ConstKind::Placeholder(ph) => format!("PlaceHolder({:?})", ph),
ty::ConstKind::Unevaluated(uv) => format!(
"Unevaluated({}, {:?}, {:?})",
self.tcx.def_path_str(uv.def.did),
uv.substs,
uv.promoted
),
ty::ConstKind::Value(val) => format!("Value({:?})", val),
ty::ConstKind::Error(_) => format!("Error"),
};
self.push(&format!("+ val: {}", val));
}
}

2
src/test/mir-opt/const_promotion_extern_static.BAR.PromoteTemps.diff
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@ -22,7 +22,7 @@
- // + ty: &i32
- // + val: Value(Scalar(alloc0))
+ // + ty: &[&i32; 1]
+ // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:6 ~ const_promotion_extern_static[317d]::BAR), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
+ // + val: Unevaluated(BAR, [], Some(promoted[0]))
// mir::Constant
- // + span: $DIR/const-promotion-extern-static.rs:9:33: 9:34
- // + literal: Const { ty: &i32, val: Value(Scalar(alloc0)) }

2
src/test/mir-opt/const_promotion_extern_static.FOO.PromoteTemps.diff
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@ -24,7 +24,7 @@
- // + ty: *const i32
- // + val: Value(Scalar(alloc2))
+ // + ty: &[&i32; 1]
+ // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:7 ~ const_promotion_extern_static[317d]::FOO), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
+ // + val: Unevaluated(FOO, [], Some(promoted[0]))
// mir::Constant
- // + span: $DIR/const-promotion-extern-static.rs:13:42: 13:43
- // + literal: Const { ty: *const i32, val: Value(Scalar(alloc2)) }

2
src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.32bit.diff
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@ -28,7 +28,7 @@
_9 = const main::promoted[0]; // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
// ty::Const
// + ty: &[i32; 3]
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
// + literal: Const { ty: &[i32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/const_prop/bad_op_unsafe_oob_for_slices.main.ConstProp.64bit.diff
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@ -28,7 +28,7 @@
_9 = const main::promoted[0]; // scope 0 at $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
// ty::Const
// + ty: &[i32; 3]
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $DIR/bad_op_unsafe_oob_for_slices.rs:5:25: 5:35
// + literal: Const { ty: &[i32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ bad_op_unsafe_oob_for_slices[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/const_prop/const_prop_fails_gracefully.main.ConstProp.diff
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@ -19,7 +19,7 @@
_3 = const FOO; // scope 0 at $DIR/const_prop_fails_gracefully.rs:7:13: 7:16
// ty::Const
// + ty: &i32
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ const_prop_fails_gracefully[317d]::main::FOO), const_param_did: None }, substs: [], promoted: None })
// + val: Unevaluated(FOO, [], None)
// mir::Constant
// + span: $DIR/const_prop_fails_gracefully.rs:7:13: 7:16
// + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ const_prop_fails_gracefully[317d]::main::FOO), const_param_did: None }, substs: [], promoted: None }) }

2
src/test/mir-opt/const_prop/ref_deref.main.ConstProp.diff
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@ -14,7 +14,7 @@
_4 = const main::promoted[0]; // scope 0 at $DIR/ref_deref.rs:5:6: 5:10
// ty::Const
// + ty: &i32
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $DIR/ref_deref.rs:5:6: 5:10
// + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/const_prop/ref_deref.main.PromoteTemps.diff
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@ -17,7 +17,7 @@
+ _4 = const main::promoted[0]; // scope 0 at $DIR/ref_deref.rs:5:6: 5:10
+ // ty::Const
+ // + ty: &i32
+ // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
+ // + val: Unevaluated(main, [], Some(promoted[0]))
+ // mir::Constant
+ // + span: $DIR/ref_deref.rs:5:6: 5:10
+ // + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/const_prop/ref_deref_project.main.ConstProp.diff
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@ -14,7 +14,7 @@
_4 = const main::promoted[0]; // scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17
// ty::Const
// + ty: &(i32, i32)
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $DIR/ref_deref_project.rs:5:6: 5:17
// + literal: Const { ty: &(i32, i32), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/const_prop/ref_deref_project.main.PromoteTemps.diff
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@ -17,7 +17,7 @@
+ _4 = const main::promoted[0]; // scope 0 at $DIR/ref_deref_project.rs:5:6: 5:17
+ // ty::Const
+ // + ty: &(i32, i32)
+ // + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
+ // + val: Unevaluated(main, [], Some(promoted[0]))
+ // mir::Constant
+ // + span: $DIR/ref_deref_project.rs:5:6: 5:17
+ // + literal: Const { ty: &(i32, i32), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ ref_deref_project[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/const_prop/slice_len.main.ConstProp.32bit.diff
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@ -21,7 +21,7 @@
_9 = const main::promoted[0]; // scope 0 at $DIR/slice_len.rs:5:6: 5:19
// ty::Const
// + ty: &[u32; 3]
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $DIR/slice_len.rs:5:6: 5:19
// + literal: Const { ty: &[u32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/const_prop/slice_len.main.ConstProp.64bit.diff
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@ -21,7 +21,7 @@
_9 = const main::promoted[0]; // scope 0 at $DIR/slice_len.rs:5:6: 5:19
// ty::Const
// + ty: &[u32; 3]
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $DIR/slice_len.rs:5:6: 5:19
// + literal: Const { ty: &[u32; 3], val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ slice_len[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

4
src/test/mir-opt/inline/inline_retag.bar.Inline.after.mir
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@ -35,7 +35,7 @@ fn bar() -> bool {
_10 = const bar::promoted[1]; // scope 1 at $DIR/inline-retag.rs:12:7: 12:9
// ty::Const
// + ty: &i32
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[317d]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[1]) })
// + val: Unevaluated(bar, [], Some(promoted[1]))
// mir::Constant
// + span: $DIR/inline-retag.rs:12:7: 12:9
// + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[317d]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[1]) }) }
@ -49,7 +49,7 @@ fn bar() -> bool {
_9 = const bar::promoted[0]; // scope 1 at $DIR/inline-retag.rs:12:11: 12:14
// ty::Const
// + ty: &i32
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[317d]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(bar, [], Some(promoted[0]))
// mir::Constant
// + span: $DIR/inline-retag.rs:12:11: 12:14
// + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:4 ~ inline_retag[317d]::bar), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/issue_73223.main.PreCodegen.32bit.diff
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@ -63,7 +63,7 @@
_20 = const main::promoted[0]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
// ty::Const
// + ty: &i32
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/issue_73223.main.PreCodegen.64bit.diff
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@ -63,7 +63,7 @@
_20 = const main::promoted[0]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
// ty::Const
// + ty: &i32
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.32bit.diff
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@ -84,7 +84,7 @@
_28 = const main::promoted[0]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
// ty::Const
// + ty: &i32
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/issue_73223.main.SimplifyArmIdentity.64bit.diff
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@ -84,7 +84,7 @@
_28 = const main::promoted[0]; // scope 3 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
// ty::Const
// + ty: &i32
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $SRC_DIR/core/src/macros/mod.rs:LL:COL
// + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:3 ~ issue_73223[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

6
src/test/mir-opt/lower_intrinsics.discriminant.LowerIntrinsics.diff
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@ -47,7 +47,7 @@
_19 = const discriminant::<T>::promoted[2]; // scope 0 at $DIR/lower_intrinsics.rs:70:42: 70:44
// ty::Const
// + ty: &i32
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[2]) })
// + val: Unevaluated(discriminant, [T], Some(promoted[2]))
// mir::Constant
// + span: $DIR/lower_intrinsics.rs:70:42: 70:44
// + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[2]) }) }
@ -71,7 +71,7 @@
_18 = const discriminant::<T>::promoted[1]; // scope 0 at $DIR/lower_intrinsics.rs:71:42: 71:45
// ty::Const
// + ty: &()
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[1]) })
// + val: Unevaluated(discriminant, [T], Some(promoted[1]))
// mir::Constant
// + span: $DIR/lower_intrinsics.rs:71:42: 71:45
// + literal: Const { ty: &(), val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[1]) }) }
@ -95,7 +95,7 @@
_17 = const discriminant::<T>::promoted[0]; // scope 0 at $DIR/lower_intrinsics.rs:72:42: 72:47
// ty::Const
// + ty: &E
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[0]) })
// + val: Unevaluated(discriminant, [T], Some(promoted[0]))
// mir::Constant
// + span: $DIR/lower_intrinsics.rs:72:42: 72:47
// + literal: Const { ty: &E, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:27 ~ lower_intrinsics[8787]::discriminant), const_param_did: None }, substs: [T], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/match_false_edges.full_tested_match.PromoteTemps.after.mir
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@ -54,7 +54,7 @@ fn full_tested_match() -> () {
_11 = const full_tested_match::promoted[0]; // scope 0 at $DIR/match_false_edges.rs:16:14: 16:15
// ty::Const
// + ty: &std::option::Option<i32>
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ match_false_edges[317d]::full_tested_match), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(full_tested_match, [], Some(promoted[0]))
// mir::Constant
// + span: $DIR/match_false_edges.rs:16:14: 16:15
// + literal: Const { ty: &std::option::Option<i32>, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:5 ~ match_false_edges[317d]::full_tested_match), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }

2
src/test/mir-opt/retag.main.SimplifyCfg-elaborate-drops.after.mir
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@ -149,7 +149,7 @@ fn main() -> () {
_27 = const main::promoted[0]; // scope 7 at $DIR/retag.rs:47:21: 47:23
// ty::Const
// + ty: &i32
// + val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:13 ~ retag[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) })
// + val: Unevaluated(main, [], Some(promoted[0]))
// mir::Constant
// + span: $DIR/retag.rs:47:21: 47:23
// + literal: Const { ty: &i32, val: Unevaluated(Unevaluated { def: WithOptConstParam { did: DefId(0:13 ~ retag[317d]::main), const_param_did: None }, substs: [], promoted: Some(promoted[0]) }) }