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rust/compiler/rustc_codegen_llvm
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Matthias Krüger 77a8e60dd7
Rollup merge of #89887 - arlosi:char-debug, r=wesleywiser 
Change `char` type in debuginfo to DW_ATE_UTF

Rust previously encoded the `char` type as DW_ATE_unsigned_char. The more appropriate encoding is `DW_ATE_UTF`.

Clang also uses the DW_ATE_UTF for `char32_t` in C++.

This fixes the display of the `char` type in the Windows debuggers. Without this change, the variable did not show in the locals window.
![image](https://user-images.githubusercontent.com/704597/137368067-9b3e4dc8-a075-44ba-a687-bf3810a44e5a.png)

LLDB 13 is also able to display the char value, when before it failed with `need to add support for DW_TAG_base_type 'char' encoded with DW_ATE = 0x8, bit_size = 32`

r? `@wesleywiser`
2022-02-24 07:48:04 +01:00
..
src Rollup merge of #89887 - arlosi:char-debug, r=wesleywiser 2022-02-24 07:48:04 +01:00
Cargo.toml Auto merge of #90716 - euclio:libloading, r=cjgillot 2021-12-12 17:28:52 +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.