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rust/compiler/rustc_codegen_llvm
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David Wood 341aa97adb
llvm: update ffi bindings for split dwarf 
This commit modifies the FFI bindings to LLVM required for Split DWARF
support in rustc. In particular:

- `addPassesToEmitFile`'s wrapper, `LLVMRustWriteOutputFile` now takes
  a `DwoPath` `const char*`. When disabled, `nullptr` should be provided
  which will preserve existing behaviour. When enabled, the path to the
  `.dwo` file should be provided.
- `createCompileUnit`'s wrapper, `LLVMRustDIBuilderCreateCompileUnit`
  now has two additional arguments, for the `DWOId` and to enable
  `SplitDebugInlining`. `DWOId` should always be zero.
- `createTargetMachine`'s wrapper, `LLVMRustCreateTargetMachine` has an
  additional argument which should be provided the path to the `.dwo`
  when enabled.

Signed-off-by: David Wood <david@davidtw.co>
2020-12-16 10:31:42 +00:00
..
src llvm: update ffi bindings for split dwarf 2020-12-16 10:31:42 +00:00
Cargo.toml Upgrade to measureme 9.0.0 2020-10-24 22:39:42 -04:00
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.