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rust/compiler/rustc_codegen_llvm
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Michael Goulet bc2244f027
Rollup merge of #129940 - liushuyu:s390x-target-features, r=RalfJung 
s390x: Fix a regression related to backchain feature

In #127506, we introduced a new IBM Z-specific target feature, `backchain`.

This particular `target-feature` was available as a function-level attribute in LLVM 17 and below, so some hacks were used to avoid blowing up LLVM when querying the supported LLVM features.

This led to an unfortunate regression where `cfg!(target-feature = "backchain")` will always return true.

This pull request aims to fix this issue, and a test has been introduced to ensure it will never happen again.

Fixes #129927.

r? `@RalfJung`
2024-09-07 14:21:22 +03:00
..
src Rollup merge of #129940 - liushuyu:s390x-target-features, r=RalfJung 2024-09-07 14:21:22 +03:00
Cargo.toml Update some dependency versions that allow better licensing 2024-08-18 13:59:27 -05:00
messages.ftl Always use ar_archive_writer for import libs 2024-08-17 19:10:46 +00:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

The codegen crate contains the code to convert from MIR into LLVM IR, and then from LLVM IR into machine code. In general it contains code that runs towards the end of the compilation process.

For more information about how codegen works, see the rustc dev guide.