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llvm-project/llvm
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KRM7 c9aea6248a
[RegisterCoalescer] Don't commute two-address instructions which only define a subregister (#169031) 
Currently, the register coalescer may try to commute an instruction
like:
```
%0.sub_lo32:gpr64 = AND %0.sub_lo32:gpr64(tied-def 0), %1.sub_lo32:gpr64
USE %0:gpr64
```
resulting in:
```
%1.sub_lo32:gpr64 = AND %1.sub_lo32:gpr64(tied-def 0), %0.sub_lo32:gpr64
USE %1:gpr64
```
However, this is not correct if the instruction doesn't define the
entire register, as the value of the upper 32-bits
of the register used in `USE` will not be the same.
2025-12-18 23:24:44 +01:00
..
benchmarks
…
bindings
[OCaml] Fix build
2025-12-09 17:00:45 +01:00
cmake
llvm/cmake/config.guess: add support for e2k (Elbrus-2000) (#162460)
2025-12-13 18:35:41 +00:00
docs
[CodeGen] Rename expand-fp to expand-ir-insts (#172681)
2025-12-18 11:15:04 +00:00
examples
[LLVM] Add plugin hook for back-ends
2025-12-16 16:33:39 +01:00
include
[AArch64] Make IFUNC opt-in rather than opt-out. (#171648)
2025-12-18 22:17:07 +00:00
lib
[RegisterCoalescer] Don't commute two-address instructions which only define a subregister (#169031)
2025-12-18 23:24:44 +01:00
projects
…
resources
…
runtimes
Revert: check-builtins target for LLVM_ENABLE_RUNTIMES (#171940)
2025-12-11 16:22:27 -08:00
test
[RegisterCoalescer] Don't commute two-address instructions which only define a subregister (#169031)
2025-12-18 23:24:44 +01:00
tools
[lli] Honor --jit-linker-kind=rtdyld on platforms that default to jitlink (#167860)
2025-12-18 13:53:31 +01:00
unittests
[RISCV] Add Xqci feature flag (#172608)
2025-12-18 21:32:49 +05:30
utils
[LLVM][MC] Unique per-hw mode field encoding code in CodeEmitterGen (#172764)
2025-12-18 09:31:59 -08:00
.clang-format
…
.clang-tidy
…
.gitattributes
…
.gitignore
…
CMakeLists.txt
[llvm][clang] Enable IO sandbox for assert builds (#171935)
2025-12-16 08:01:02 -08:00
CMakePresets.json
Add CMake configure preset building blocks (#170019)
2025-12-09 00:07:11 -07:00
configure
…
CREDITS.TXT
…
LICENSE.TXT
…
Maintainers.md
[libsycl] Add Maintainers.md file (#168550)
2025-11-24 08:34:01 -08:00
README.txt
…
RELEASE_TESTERS.TXT
…

README.txt 

The LLVM Compiler Infrastructure
================================

This directory and its subdirectories contain source code for LLVM,
a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.