mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
Mirror of https://github.com/RPCS3/llvm-mirror
2dcd508332
Some instructions (G_LOAD, G_SELECT, G_UNMERGE_VALUES) check if their uses will define/use FPRs (using `onlyUsesFP` and `onlyDefinesFP`). The register bank of a use isn't necessarily known when an instruction asks for this. Teach `hasFPConstraints` to look at the instructions feeding into a G_PHI when its destination bank is unknown. If any of them are FPR, assume the entire G_PHI will also be assigned a FPR. Since a phi can have many inputs, and those inputs can in turn be phis, restrict the search depth to a very low number. Also improve the docs for `hasFPConstraints` and friends a little. This is a 0.3% code size improvement on CTMark/Bullet at -O3, and a 0.2% code size improvement at CTMark/pairlocalalign at -O3. Differential Revision: https://reviews.llvm.org/D88177 |
||
|---|---|---|
| benchmarks | ||
| bindings | ||
| cmake | ||
| docs | ||
| examples | ||
| include | ||
| lib | ||
| projects | ||
| resources | ||
| runtimes | ||
| test | ||
| tools | ||
| unittests | ||
| utils | ||
| .clang-format | ||
| .clang-tidy | ||
| .gitattributes | ||
| .gitignore | ||
| CMakeLists.txt | ||
| CODE_OWNERS.TXT | ||
| configure | ||
| CREDITS.TXT | ||
| LICENSE.TXT | ||
| llvm.spec.in | ||
| LLVMBuild.txt | ||
| README.txt | ||
| RELEASE_TESTERS.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.