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# 64902d33 24-Mar-2022 Julian Lettner <[email protected]>

Reland "Lower `@llvm.global_dtors` using `__cxa_atexit` on MachO"

For MachO, lower `@llvm.global_dtors` into `@llvm_global_ctors` with
`__cxa_atexit` calls to avoid emitting the deprecated `__mod_te

Reland "Lower `@llvm.global_dtors` using `__cxa_atexit` on MachO"

For MachO, lower `@llvm.global_dtors` into `@llvm_global_ctors` with
`__cxa_atexit` calls to avoid emitting the deprecated `__mod_term_func`.

Reuse the existing `WebAssemblyLowerGlobalDtors.cpp` to accomplish this.

Enable fallback to the old behavior via Clang driver flag
(`-fregister-global-dtors-with-atexit`) or llc / code generation flag
(`-lower-global-dtors-via-cxa-atexit`). This escape hatch will be
removed in the future.

Differential Revision: https://reviews.llvm.org/D121736

show more ...


Revision tags: llvmorg-14.0.0, llvmorg-14.0.0-rc4, llvmorg-14.0.0-rc3
# 22570bac 09-Mar-2022 Julian Lettner <[email protected]>

Lower `@llvm.global_dtors` using `__cxa_atexit` on MachO

For MachO, lower `@llvm.global_dtors` into `@llvm_global_ctors` with
`__cxa_atexit` calls to avoid emitting the deprecated `__mod_term_func`.

Lower `@llvm.global_dtors` using `__cxa_atexit` on MachO

For MachO, lower `@llvm.global_dtors` into `@llvm_global_ctors` with
`__cxa_atexit` calls to avoid emitting the deprecated `__mod_term_func`.

Reuse the existing `WebAssemblyLowerGlobalDtors.cpp` to accomplish this.

Enable fallback to the old behavior via Clang driver flag
(`-fregister-global-dtors-with-atexit`) or llc / code generation flag
(`-lower-global-dtors-via-cxa-atexit`). This escape hatch will be
removed in the future.

Differential Revision: https://reviews.llvm.org/D121736

show more ...


# 9c542a5a 09-Mar-2022 Julian Lettner <[email protected]>

Lower `@llvm.global_dtors` using `__cxa_atexit` on MachO

For MachO, lower `@llvm.global_dtors` into `@llvm_global_ctors` with
`__cxa_atexit` calls to avoid emitting the deprecated `__mod_term_func`.

Lower `@llvm.global_dtors` using `__cxa_atexit` on MachO

For MachO, lower `@llvm.global_dtors` into `@llvm_global_ctors` with
`__cxa_atexit` calls to avoid emitting the deprecated `__mod_term_func`.

Reuse the existing `WebAssemblyLowerGlobalDtors.cpp` to accomplish this.

Enable fallback to the old behavior via Clang driver flag
(`-fregister-global-dtors-with-atexit`) or llc / code generation flag
(`-lower-global-dtors-via-cxa-atexit`). This escape hatch will be
removed in the future.

Differential Revision: https://reviews.llvm.org/D121327

show more ...