mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-02-01 05:01:59 +01:00
8009b955b7
This is yet another step towards solving PR14613: https://bugs.llvm.org/show_bug.cgi?id=14613 uaddsat X, Y --> (X >u (X + Y)) ? -1 : X + Y usubsat X, Y --> (X >u Y) ? X - Y : 0 We can't count on a sane vector ISA, so override the default (umin/umax) expansion of unsigned add/sub saturate in cases where we do not have umin/umax. Differential Revision: https://reviews.llvm.org/D59006 llvm-svn: 356855
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.