Disable coverage instrumentation for naked functions #105193
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Use code generation attributes to ensure that naked functions are never inline, replacing separate checks in MIR inliner and LLVM code generation.
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r? @wesleywiser (rustbot has picked a reviewer for you, use r? to override) |
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Some changes occurred to MIR optimizations cc @rust-lang/wg-mir-opt |
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Dec 3, 2022
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…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#104199 (Keep track of the start of the argument block of a closure) - rust-lang#105050 (Remove useless borrows and derefs) - rust-lang#105153 (Create a hacky fail-fast mode that stops tests at the first failure) - rust-lang#105164 (Restore `use` suggestion for `dyn` method call requiring `Sized`) - rust-lang#105193 (Disable coverage instrumentation for naked functions) - rust-lang#105200 (Remove useless filter in unused extern crate check.) - rust-lang#105201 (Do not call fn_sig on non-functions.) - rust-lang#105208 (Add AmbiguityError for inconsistent resolution for an import) - rust-lang#105214 (update Miri) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#104199 (Keep track of the start of the argument block of a closure) - rust-lang#105050 (Remove useless borrows and derefs) - rust-lang#105153 (Create a hacky fail-fast mode that stops tests at the first failure) - rust-lang#105164 (Restore `use` suggestion for `dyn` method call requiring `Sized`) - rust-lang#105193 (Disable coverage instrumentation for naked functions) - rust-lang#105200 (Remove useless filter in unused extern crate check.) - rust-lang#105201 (Do not call fn_sig on non-functions.) - rust-lang#105208 (Add AmbiguityError for inconsistent resolution for an import) - rust-lang#105214 (update Miri) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
folkertdev
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Jul 20, 2024
but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach
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Jul 26, 2024
but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach
folkertdev
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Jul 27, 2024
but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach
folkertdev
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Jul 28, 2024
but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach
folkertdev
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Jul 31, 2024
correctly emit `.hidden` this test was added in rust-lang#105193 but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach rename test file because it now specifically checks for directives only used by non-macos, non-windows x86_64 add codegen tests for 4 interesting platforms add codegen test for the `#[instruction_set]` attribute add test for `#[link_section]` use `tcx.codegen_fn_attrs` to get attribute info Fix rust-lang#124375 inline const monomorphization/evaluation getting rid of FunctionCx mark naked functions as `InstantiatedMode::GloballyShared` this makes sure that the function prototype is defined correctly, and we don't see LLVM complaining about a global value with invalid linkage monomorphize type given to `SymFn` remove hack that always emits `.globl` monomorphize type given to `Const` remove `linkage_directive` make naked functions always have external linkage mark naked functions as `#[inline(never)]` add test file for functional generics/const/impl/trait usage of naked functions
folkertdev
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Aug 7, 2024
correctly emit `.hidden` this test was added in rust-lang#105193 but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach rename test file because it now specifically checks for directives only used by non-macos, non-windows x86_64 add codegen tests for 4 interesting platforms add codegen test for the `#[instruction_set]` attribute add test for `#[link_section]` use `tcx.codegen_fn_attrs` to get attribute info Fix rust-lang#124375 inline const monomorphization/evaluation getting rid of FunctionCx mark naked functions as `InstantiatedMode::GloballyShared` this makes sure that the function prototype is defined correctly, and we don't see LLVM complaining about a global value with invalid linkage monomorphize type given to `SymFn` remove hack that always emits `.globl` monomorphize type given to `Const` remove `linkage_directive` make naked functions always have external linkage mark naked functions as `#[inline(never)]` add test file for functional generics/const/impl/trait usage of naked functions
folkertdev
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Aug 11, 2024
correctly emit `.hidden` this test was added in rust-lang#105193 but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach rename test file because it now specifically checks for directives only used by non-macos, non-windows x86_64 add codegen tests for 4 interesting platforms add codegen test for the `#[instruction_set]` attribute add test for `#[link_section]` use `tcx.codegen_fn_attrs` to get attribute info Fix rust-lang#124375 inline const monomorphization/evaluation getting rid of FunctionCx mark naked functions as `InstantiatedMode::GloballyShared` this makes sure that the function prototype is defined correctly, and we don't see LLVM complaining about a global value with invalid linkage monomorphize type given to `SymFn` remove hack that always emits `.globl` monomorphize type given to `Const` remove `linkage_directive` make naked functions always have external linkage mark naked functions as `#[inline(never)]` add test file for functional generics/const/impl/trait usage of naked functions
folkertdev
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Aug 11, 2024
correctly emit `.hidden` this test was added in rust-lang#105193 but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach rename test file because it now specifically checks for directives only used by non-macos, non-windows x86_64 add codegen tests for 4 interesting platforms add codegen test for the `#[instruction_set]` attribute add test for `#[link_section]` use `tcx.codegen_fn_attrs` to get attribute info Fix rust-lang#124375 inline const monomorphization/evaluation getting rid of FunctionCx mark naked functions as `InstantiatedMode::GloballyShared` this makes sure that the function prototype is defined correctly, and we don't see LLVM complaining about a global value with invalid linkage monomorphize type given to `SymFn` remove hack that always emits `.globl` monomorphize type given to `Const` remove `linkage_directive` make naked functions always have external linkage mark naked functions as `#[inline(never)]` add test file for functional generics/const/impl/trait usage of naked functions
folkertdev
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Sep 5, 2024
correctly emit `.hidden` this test was added in rust-lang#105193 but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach rename test file because it now specifically checks for directives only used by non-macos, non-windows x86_64 add codegen tests for 4 interesting platforms add codegen test for the `#[instruction_set]` attribute add test for `#[link_section]` use `tcx.codegen_fn_attrs` to get attribute info Fix rust-lang#124375 inline const monomorphization/evaluation getting rid of FunctionCx mark naked functions as `InstantiatedMode::GloballyShared` this makes sure that the function prototype is defined correctly, and we don't see LLVM complaining about a global value with invalid linkage monomorphize type given to `SymFn` remove hack that always emits `.globl` monomorphize type given to `Const` remove `linkage_directive` make naked functions always have external linkage mark naked functions as `#[inline(never)]` add test file for functional generics/const/impl/trait usage of naked functions
folkertdev
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Sep 27, 2024
correctly emit `.hidden` this test was added in rust-lang#105193 but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach rename test file because it now specifically checks for directives only used by non-macos, non-windows x86_64 add codegen tests for 4 interesting platforms add codegen test for the `#[instruction_set]` attribute add test for `#[link_section]` use `tcx.codegen_fn_attrs` to get attribute info Fix rust-lang#124375 inline const monomorphization/evaluation getting rid of FunctionCx mark naked functions as `InstantiatedMode::GloballyShared` this makes sure that the function prototype is defined correctly, and we don't see LLVM complaining about a global value with invalid linkage monomorphize type given to `SymFn` remove hack that always emits `.globl` monomorphize type given to `Const` remove `linkage_directive` make naked functions always have external linkage mark naked functions as `#[inline(never)]` add test file for functional generics/const/impl/trait usage of naked functions
folkertdev
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Oct 7, 2024
correctly emit `.hidden` this test was added in rust-lang#105193 but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach rename test file because it now specifically checks for directives only used by non-macos, non-windows x86_64 add codegen tests for 4 interesting platforms add codegen test for the `#[instruction_set]` attribute add test for `#[link_section]` use `tcx.codegen_fn_attrs` to get attribute info Fix rust-lang#124375 inline const monomorphization/evaluation getting rid of FunctionCx mark naked functions as `InstantiatedMode::GloballyShared` this makes sure that the function prototype is defined correctly, and we don't see LLVM complaining about a global value with invalid linkage monomorphize type given to `SymFn` remove hack that always emits `.globl` monomorphize type given to `Const` remove `linkage_directive` make naked functions always have external linkage mark naked functions as `#[inline(never)]` add test file for functional generics/const/impl/trait usage of naked functions
matthiaskrgr
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Dec 1, 2024
correctly emit `.hidden` this test was added in rust-lang#105193 but actually NO_COVERAGE is no longer a thing in the compiler. Sadly, the link to the issue is broken, so I don't know what the problem was originally, but I don't think this is relevant any more with the global asm approach rename test file because it now specifically checks for directives only used by non-macos, non-windows x86_64 add codegen tests for 4 interesting platforms add codegen test for the `#[instruction_set]` attribute add test for `#[link_section]` use `tcx.codegen_fn_attrs` to get attribute info Fix rust-lang#124375 inline const monomorphization/evaluation getting rid of FunctionCx mark naked functions as `InstantiatedMode::GloballyShared` this makes sure that the function prototype is defined correctly, and we don't see LLVM complaining about a global value with invalid linkage monomorphize type given to `SymFn` remove hack that always emits `.globl` monomorphize type given to `Const` remove `linkage_directive` make naked functions always have external linkage mark naked functions as `#[inline(never)]` add test file for functional generics/const/impl/trait usage of naked functions
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Fixes #105170.