Make some "safe" llvm ops actually sound #143722
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r? @davidtwco rustbot has assigned @davidtwco. Use |
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Some changes occurred in compiler/rustc_codegen_llvm/src/builder/autodiff.rs cc @ZuseZ4 |
oli-obk
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Jul 10, 2025
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| let name = llvm::get_value_name(g).to_vec(); | ||
| let name = llvm::get_value_name(g); | ||
| llvm::set_value_name(g, b""); |
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this to_vec was load bearing for soundness without any comment about it
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@bors r+ rollup=always |
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Make some "safe" llvm ops actually sound Noticed while doing other refactorings it may cause some extra unnecessary allocations, but the current use sites are rare ones anyway
tgross35
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Make some "safe" llvm ops actually sound Noticed while doing other refactorings it may cause some extra unnecessary allocations, but the current use sites are rare ones anyway
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Rollup of 8 pull requests Successful merges: - #140136 (Add an aarch64-msvc build running on ARM64 Windows) - #143642 (stdarch subtree update) - #143679 (Preserve the .debug_gdb_scripts section) - #143707 (Fix `--skip-std-check-if-no-download-rustc`) - #143722 (Make some "safe" llvm ops actually sound) - #143728 (Resolve refactor: extraction of `finalize_module_binding` and `single_import_can_define_name`) - #143742 (Rework borrowing suggestions to use `Expr` instead of just `Span`) - #143744 (Properly track the depth when expanding free alias types) r? `@ghost` `@rustbot` modify labels: rollup
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Jul 11, 2025
Rollup of 7 pull requests Successful merges: - #140136 (Add an aarch64-msvc build running on ARM64 Windows) - #143642 (stdarch subtree update) - #143707 (Fix `--skip-std-check-if-no-download-rustc`) - #143722 (Make some "safe" llvm ops actually sound) - #143728 (Resolve refactor: extraction of `finalize_module_binding` and `single_import_can_define_name`) - #143742 (Rework borrowing suggestions to use `Expr` instead of just `Span`) - #143744 (Properly track the depth when expanding free alias types) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of #143722 - oli-obk:sound-llvm, r=dianqk Make some "safe" llvm ops actually sound Noticed while doing other refactorings it may cause some extra unnecessary allocations, but the current use sites are rare ones anyway
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Jul 13, 2025
Rollup of 7 pull requests Successful merges: - rust-lang/rust#140136 (Add an aarch64-msvc build running on ARM64 Windows) - rust-lang/rust#143642 (stdarch subtree update) - rust-lang/rust#143707 (Fix `--skip-std-check-if-no-download-rustc`) - rust-lang/rust#143722 (Make some "safe" llvm ops actually sound) - rust-lang/rust#143728 (Resolve refactor: extraction of `finalize_module_binding` and `single_import_can_define_name`) - rust-lang/rust#143742 (Rework borrowing suggestions to use `Expr` instead of just `Span`) - rust-lang/rust#143744 (Properly track the depth when expanding free alias types) r? `@ghost` `@rustbot` modify labels: rollup
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Noticed while doing other refactorings
it may cause some extra unnecessary allocations, but the current use sites are rare ones anyway