fix(ssa): Consider shl and shr to have side effects
#9580
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⚠️ Performance Alert ⚠️
Possible performance regression was detected for benchmark 'Test Suite Duration'.
Benchmark result of this commit is worse than the previous benchmark result exceeding threshold 1.20.
| Benchmark suite | Current: 6e50331 | Previous: 854bea9 | Ratio |
|---|---|---|---|
test_report_zkpassport_noir-ecdsa_ |
3 s |
2 s |
1.50 |
This comment was automatically generated by workflow using github-action-benchmark.
CC: @TomAFrench
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…oir into af/9544-fix-inevitable-shift
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Automated pull of nightly from the [noir](https://github.com/noir-lang/noir) programming language, a dependency of Aztec. BEGIN_COMMIT_OVERRIDE chore: some mem2reg refactors regarding expressions and aliases (noir-lang/noir#9610) feat: keep last loads from predecessors in mem2reg (noir-lang/noir#9492) chore: Update flattening docs (noir-lang/noir#9588) chore: remove redundant globals creation (noir-lang/noir#9606) chore: simplify Expression in mem2reg (noir-lang/noir#9599) chore: remove duplicate `contains_reference` in mem2reg (noir-lang/noir#9602) chore!: remove `verify_signature_slice` methods from stdlib (noir-lang/noir#9597) fix(expand): correctly handle nested dereferences (noir-lang/noir#9598) fix(ssa): Do not simplify on lhs being zero for shifts (noir-lang/noir#9596) chore: store last loads in `HashSet` instead of `HashMap` in mem2reg (noir-lang/noir#9498) chore: `--no-ssa-locations` for `nargo interpret` and show negative values when printing SSA (noir-lang/noir#9586) fix: `assert_constant` refactors and fixes from audit (noir-lang/noir#9547) fix(ssa): Consider `shl` and `shr` to have side effects (noir-lang/noir#9580) fix: avoid invalid cast in `remove_bit_shifts` (noir-lang/noir#9570) fix(mem2reg): Consider aliases of a loaded address to be loaded from as well (noir-lang/noir#9567) fix: Consume correct number of fields when printing references (noir-lang/noir#9579) chore: Add a section for numeric type aliases (noir-lang/noir#9589) chore(remove_paired_rc): Add various unit tests (noir-lang/noir#9425) fix: incorrect max bit size in `remove_bit_shifts` (noir-lang/noir#9585) chore(ssa): Simplify shl/shr identity operations (noir-lang/noir#9587) chore: greenlight `brillig_array_get_and_set` for audits (noir-lang/noir#9540) chore(ssa): Update comments on `loop_invariant` for audit and some missing unit tests (noir-lang/noir#9574) chore: Switch to node v22.15.0 (noir-lang/noir#9582) chore: Update unrolling docs for audit (noir-lang/noir#9572) chore: greenlight `array_set_optimization` (noir-lang/noir#9560) fix(acir_gen): Keep range checks before side effects (noir-lang/noir#9340) END_COMMIT_OVERRIDE
github-merge-queue bot
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to AztecProtocol/aztec-packages
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Aug 22, 2025
Automated pull of nightly from the [noir](https://github.com/noir-lang/noir) programming language, a dependency of Aztec. BEGIN_COMMIT_OVERRIDE chore: some mem2reg refactors regarding expressions and aliases (noir-lang/noir#9610) feat: keep last loads from predecessors in mem2reg (noir-lang/noir#9492) chore: Update flattening docs (noir-lang/noir#9588) chore: remove redundant globals creation (noir-lang/noir#9606) chore: simplify Expression in mem2reg (noir-lang/noir#9599) chore: remove duplicate `contains_reference` in mem2reg (noir-lang/noir#9602) chore!: remove `verify_signature_slice` methods from stdlib (noir-lang/noir#9597) fix(expand): correctly handle nested dereferences (noir-lang/noir#9598) fix(ssa): Do not simplify on lhs being zero for shifts (noir-lang/noir#9596) chore: store last loads in `HashSet` instead of `HashMap` in mem2reg (noir-lang/noir#9498) chore: `--no-ssa-locations` for `nargo interpret` and show negative values when printing SSA (noir-lang/noir#9586) fix: `assert_constant` refactors and fixes from audit (noir-lang/noir#9547) fix(ssa): Consider `shl` and `shr` to have side effects (noir-lang/noir#9580) fix: avoid invalid cast in `remove_bit_shifts` (noir-lang/noir#9570) fix(mem2reg): Consider aliases of a loaded address to be loaded from as well (noir-lang/noir#9567) fix: Consume correct number of fields when printing references (noir-lang/noir#9579) chore: Add a section for numeric type aliases (noir-lang/noir#9589) chore(remove_paired_rc): Add various unit tests (noir-lang/noir#9425) fix: incorrect max bit size in `remove_bit_shifts` (noir-lang/noir#9585) chore(ssa): Simplify shl/shr identity operations (noir-lang/noir#9587) chore: greenlight `brillig_array_get_and_set` for audits (noir-lang/noir#9540) chore(ssa): Update comments on `loop_invariant` for audit and some missing unit tests (noir-lang/noir#9574) chore: Switch to node v22.15.0 (noir-lang/noir#9582) chore: Update unrolling docs for audit (noir-lang/noir#9572) chore: greenlight `array_set_optimization` (noir-lang/noir#9560) fix(acir_gen): Keep range checks before side effects (noir-lang/noir#9340) END_COMMIT_OVERRIDE
github-merge-queue bot
pushed a commit
to AztecProtocol/aztec-packages
that referenced
this pull request
Aug 23, 2025
Automated pull of nightly from the [noir](https://github.com/noir-lang/noir) programming language, a dependency of Aztec. BEGIN_COMMIT_OVERRIDE chore: some mem2reg refactors regarding expressions and aliases (noir-lang/noir#9610) feat: keep last loads from predecessors in mem2reg (noir-lang/noir#9492) chore: Update flattening docs (noir-lang/noir#9588) chore: remove redundant globals creation (noir-lang/noir#9606) chore: simplify Expression in mem2reg (noir-lang/noir#9599) chore: remove duplicate `contains_reference` in mem2reg (noir-lang/noir#9602) chore!: remove `verify_signature_slice` methods from stdlib (noir-lang/noir#9597) fix(expand): correctly handle nested dereferences (noir-lang/noir#9598) fix(ssa): Do not simplify on lhs being zero for shifts (noir-lang/noir#9596) chore: store last loads in `HashSet` instead of `HashMap` in mem2reg (noir-lang/noir#9498) chore: `--no-ssa-locations` for `nargo interpret` and show negative values when printing SSA (noir-lang/noir#9586) fix: `assert_constant` refactors and fixes from audit (noir-lang/noir#9547) fix(ssa): Consider `shl` and `shr` to have side effects (noir-lang/noir#9580) fix: avoid invalid cast in `remove_bit_shifts` (noir-lang/noir#9570) fix(mem2reg): Consider aliases of a loaded address to be loaded from as well (noir-lang/noir#9567) fix: Consume correct number of fields when printing references (noir-lang/noir#9579) chore: Add a section for numeric type aliases (noir-lang/noir#9589) chore(remove_paired_rc): Add various unit tests (noir-lang/noir#9425) fix: incorrect max bit size in `remove_bit_shifts` (noir-lang/noir#9585) chore(ssa): Simplify shl/shr identity operations (noir-lang/noir#9587) chore: greenlight `brillig_array_get_and_set` for audits (noir-lang/noir#9540) chore(ssa): Update comments on `loop_invariant` for audit and some missing unit tests (noir-lang/noir#9574) chore: Switch to node v22.15.0 (noir-lang/noir#9582) chore: Update unrolling docs for audit (noir-lang/noir#9572) chore: greenlight `array_set_optimization` (noir-lang/noir#9560) fix(acir_gen): Keep range checks before side effects (noir-lang/noir#9340) END_COMMIT_OVERRIDE
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Description
Problem*
Resolves #9544
Summary*
A duplicate
shlorshrwas hoisted into the common dominator block byconstant_folding, causing the circuit to fail. This can be prevented ifhas_side_effectsreturnstruefor them, which seems to be the case.Additional Context
Documentation*
Check one:
PR Checklist*
cargo fmton default settings.