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Implement a global value numbering MIR optimization #109597

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merged 10 commits into from
Sep 27, 2023
Merged

Implement a global value numbering MIR optimization #109597

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8b848af
Add global value numbering pass.
cjgillot Mar 20, 2023
6fa55d0
Add documentation.
cjgillot Apr 9, 2023
1ea9399
Do not check copiability.
cjgillot May 1, 2023
db50bd9
Add a paragraph about the assume bitwise equal.
cjgillot May 13, 2023
644e40f
Do not assume anything about repeated reification of generic functions.
cjgillot May 14, 2023
6dfa053
Complete miri test.
cjgillot May 14, 2023
3311536
Workaround issue 112651.
cjgillot Jul 1, 2023
5f9d64d
Embed simplification into VnState.
cjgillot Apr 12, 2023
b2ff77c
Do not clone valtree and slice constants.
cjgillot Sep 23, 2023
901be42
Explicit simplify_place.
cjgillot Sep 26, 2023
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2 changes: 1 addition & 1 deletion compiler/rustc_middle/src/mir/syntax.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1333,7 +1333,7 @@ pub enum AggregateKind<'tcx> {
Generator(DefId, GenericArgsRef<'tcx>, hir::Movability),
}

#[derive(Clone, Debug, PartialEq, Eq, TyEncodable, TyDecodable, Hash, HashStable)]
#[derive(Copy, Clone, Debug, PartialEq, Eq, TyEncodable, TyDecodable, Hash, HashStable)]
pub enum NullOp<'tcx> {
/// Returns the size of a value of that type
SizeOf,
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