[Win] Enable function-level linking for Release - #8802
Draft
Alex Sepkowski (alsepkow) wants to merge 1 commit into
Draft
[Win] Enable function-level linking for Release#8802Alex Sepkowski (alsepkow) wants to merge 1 commit into
Alex Sepkowski (alsepkow) wants to merge 1 commit into
Conversation
Compile C and C++ Release functions into individual COMDATs so the existing /OPT:REF linker setting can discard unused functions from referenced object files. This resolves the long-standing MSVC dead-strip FIXME. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 0f4d0e10-e926-4bce-b36b-0abebc08f6dc
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Enable function-level dead-code elimination for Windows Release builds.
/Gyto the C and C++ Release flags so the existing/OPT:REFlinker setting can discard individual unused functions from referenced object files.HandleLLVMOptions.cmake.Testing:
.vcxprojfiles contain<FunctionLevelLinking>true</FunctionLevelLinking>.llvm-tblgentarget successfully.No release note is needed because this changes build configuration rather than compiler-visible behavior.