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Merged
merged 3 commits into from
Aug 27, 2023
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llvm updates #1761

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b0266f2
llvm 16 is now supported
tshepang Jul 30, 2023
c57a5b4
llvm coverage mapping format is still at v6
tshepang Jul 30, 2023
fa7419d
policy and practice have not changed, looking at zulip history
tshepang Jul 30, 2023
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5 changes: 3 additions & 2 deletions src/backend/updating-llvm.md
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Expand Up @@ -2,7 +2,7 @@

<!-- toc -->

<!-- date-check: Feb 2023 -->
<!-- date-check: Jul 2023 -->
There is no formal policy about when to update LLVM or what it can be updated to,
but a few guidelines are applied:

Expand Down Expand Up @@ -52,7 +52,7 @@ An example PR:

## New LLVM Release Updates

<!-- date-check: Aug 2022 -->
<!-- date-check: Jul 2023 -->

Unlike bugfixes,
updating to a new release of LLVM typically requires a lot more work.
Expand Down Expand Up @@ -139,6 +139,7 @@ so let's go through each in detail.
> - [LLVM 13](https://github.com/rust-lang/rust/pull/87570)
> - [LLVM 14](https://github.com/rust-lang/rust/pull/93577)
> - [LLVM 15](https://github.com/rust-lang/rust/pull/99464)
> - [LLVM 16](https://github.com/rust-lang/rust/pull/109474)

Note that sometimes it's easiest to land [`llvm-wrapper`] compatibility as a PR
before actually updating `src/llvm-project`.
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2 changes: 1 addition & 1 deletion src/llvm-coverage-instrumentation.md
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Expand Up @@ -223,7 +223,7 @@ details of the [_LLVM Coverage Mapping Format_][coverage-mapping-format]
(Version 6).[^llvm-and-covmap-versions]

[^llvm-and-covmap-versions]:
The Rust compiler (as of <!-- date-check: --> Feb 2023) supports _LLVM Coverage Mapping Format_ 6.
The Rust compiler (as of <!-- date-check: --> Jul 2023) supports _LLVM Coverage Mapping Format_ 6.
The Rust compiler will automatically use the most up-to-date coverage mapping format
version that is compatible with the compiler's built-in version of LLVM.

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