rust/src/rustllvm
Ariel Ben-Yehuda 207951b169 Backport fixes to LLVM 4.0 ARM codegen bugs
So ARM had quite a few codegen bugs on LLVM 4.0 which are fixed on LLVM
trunk. This backports 5 of them:
r297871 - ARM: avoid clobbering register in v6 jump-table expansion.
    - fixes rust-lang/rust#42248
r294949 - [Thumb-1] TBB generation: spot redefinitions of index
r295816 - [ARM] Fix constant islands pass.
r300870 - [Thumb-1] Fix corner cases for compressed jump tables
r302650 - [IfConversion] Add missing check in
IfConversion/canFallThroughTo
    - unblocks rust-lang/rust#39409
2017-06-19 00:53:27 +03:00
..

This directory currently contains some LLVM support code. This will generally
be sent upstream to LLVM in time; for now it lives here.

NOTE: the LLVM C++ ABI is subject to between-version breakage and must *never*
be exposed to Rust. To allow for easy auditing of that, all Rust-exposed types
must be typedef-ed as "LLVMXyz", or "LLVMRustXyz" if they were defined here.

Functions that return a failure status and leave the error in
the LLVM last error should return an LLVMRustResult rather than an
int or anything to avoid confusion.

When translating enums, add a single `Other` variant as the first
one to allow for new variants to be added. It should abort when used
as an input.

All other types must not be typedef-ed as such.