Isolate coverage FFI type layouts from their underlying LLVM C++ types #111382
Conversation
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
|
r? @cuviper (rustbot has picked a reviewer for you, use r? to override) |
rustbot
added
S-waiting-on-review
|
@rustbot label +A-code-coverage +A-LLVM |
rustbot
added
A-code-coverage
|
(Note that most or all coverage tests don't run in PR CI, and many of them are silently broken in CI until #111179 lands.) |
The regions don't need to be mutable because we pass a copy of them to LLVM instead, and this matches the `*const` in the Rust-side signature.
|
Yeesh, that's tedious, but AFAICT it looks good... @bors r+ |
|
🌲 The tree is currently closed for pull requests below priority 50. This pull request will be tested once the tree is reopened. |
bors
added
S-waiting-on-bors
bors
added a commit
to rust-lang-ci/rust
that referenced
this pull request
May 11, 2023
…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#108705 (Prevent ICE with broken borrow in closure) - rust-lang#111292 (Fix mishandled `--check-cfg` arguments order) - rust-lang#111382 (Isolate coverage FFI type layouts from their underlying LLVM C++ types) - rust-lang#111385 (vec-shrink-panik: update expectations to work on LLVM 17) - rust-lang#111389 (Add esp-idf platform-support page) - rust-lang#111432 (Use visit_assign to detect SSA locals.) - rust-lang#111448 (Use proper impl self type for alias impl in rustdoc) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
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Outdated suggestions cannot be applied.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.
I noticed that several of the types used to send coverage information through FFI are not properly isolated from the layout of their corresponding C++ types in the LLVM API.
This PR adds more explicitly-defined FFI struct/enum types in
CoverageMappingWrapper.cpp, so that Rust source files inrustc_codegen_ssaandrustc_codegen_llvmaren't directly exposed to LLVM C++ types.