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Remove ffi_returns_twice feature

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clubby789 2024-01-30 20:55:56 +00:00
parent 5ad7454f75
commit 7331315898
20 changed files with 19 additions and 120 deletions
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23
compiler/rustc_middle/src/middle/codegen_fn_attrs.rs
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@ -74,35 +74,32 @@ bitflags! {
/// `#[used]`: indicates that LLVM can't eliminate this function (but the
/// linker can!).
const USED = 1 << 9;
/// `#[ffi_returns_twice]`, indicates that an extern function can return
/// multiple times
const FFI_RETURNS_TWICE = 1 << 10;
/// `#[track_caller]`: allow access to the caller location
const TRACK_CALLER = 1 << 11;
const TRACK_CALLER = 1 << 10;
/// #[ffi_pure]: applies clang's `pure` attribute to a foreign function
/// declaration.
const FFI_PURE = 1 << 12;
const FFI_PURE = 1 << 11;
/// #[ffi_const]: applies clang's `const` attribute to a foreign function
/// declaration.
const FFI_CONST = 1 << 13;
const FFI_CONST = 1 << 12;
/// #[cmse_nonsecure_entry]: with a TrustZone-M extension, declare a
/// function as an entry function from Non-Secure code.
const CMSE_NONSECURE_ENTRY = 1 << 14;
const CMSE_NONSECURE_ENTRY = 1 << 13;
/// `#[coverage(off)]`: indicates that the function should be ignored by
/// the MIR `InstrumentCoverage` pass and not added to the coverage map
/// during codegen.
const NO_COVERAGE = 1 << 15;
const NO_COVERAGE = 1 << 14;
/// `#[used(linker)]`:
/// indicates that neither LLVM nor the linker will eliminate this function.
const USED_LINKER = 1 << 16;
const USED_LINKER = 1 << 15;
/// `#[rustc_deallocator]`: a hint to LLVM that the function only deallocates memory.
const DEALLOCATOR = 1 << 17;
const DEALLOCATOR = 1 << 16;
/// `#[rustc_reallocator]`: a hint to LLVM that the function only reallocates memory.
const REALLOCATOR = 1 << 18;
const REALLOCATOR = 1 << 17;
/// `#[rustc_allocator_zeroed]`: a hint to LLVM that the function only allocates zeroed memory.
const ALLOCATOR_ZEROED = 1 << 19;
const ALLOCATOR_ZEROED = 1 << 18;
/// `#[no_builtins]`: indicates that disable implicit builtin knowledge of functions for the function.
const NO_BUILTINS = 1 << 20;
const NO_BUILTINS = 1 << 19;
}
}
rustc_data_structures::external_bitflags_debug! { CodegenFnAttrFlags }