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Mirror of https://github.com/RPCS3/llvm-mirror
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Denis Antrushin dcb42b6172 [SCEV] Use backedge SCEV of PHI only if its input is loop invariant 
For the PHI node

      %1 = phi [%A, %entry], [%X, %latch]

it is incorrect to use SCEV of backedge val %X as an exit value
of PHI unless %X is loop invariant.
This is because exit value of %1 is value of %X at one-before-last
iteration of the loop.

Reviewed By: Meinersbur
Differential Revision: https://reviews.llvm.org/D73181
2020-03-31 18:39:24 +07:00
benchmarks
bindings Add an SDK attribute to DICompileUnit 2020-03-11 14:14:06 -07:00
cmake Do export symbols when LLVM_EXPORT_SYMBOLS_FOR_PLUGINS is on. 2020-03-26 09:07:02 +00:00
docs [LangRef] Clarify the semantics of branch on undef 2020-03-30 11:41:47 +09:00
examples [examples] Fixes for BUILD_SHARED_LIBS=on 2020-03-23 15:21:45 -07:00
include [AMDGPU] New llvm.amdgcn.ballot intrinsic 2020-03-31 10:35:39 +02:00
lib [SCEV] Use backedge SCEV of PHI only if its input is loop invariant 2020-03-31 18:39:24 +07:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes [runtimes] When COMPILER_RT is enabled, consider SANITIZER prefixes 2020-03-11 14:22:20 -07:00
test [SCEV] Use backedge SCEV of PHI only if its input is loop invariant 2020-03-31 18:39:24 +07:00
tools [RISCV] ELF attribute section for RISC-V. 2020-03-31 16:16:19 +08:00
unittests [RISCV] ELF attribute section for RISC-V. 2020-03-31 16:16:19 +08:00
utils [Alignment][NFC] Transitionning more getMachineMemOperand call sites 2020-03-31 08:36:18 +00:00
.clang-format
.clang-tidy - Update .clang-tidy to ignore parameters of main like functions for naming violations in clang and llvm directory 2020-01-31 16:49:45 +00:00
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore Continue removing llgo. 2020-02-10 10:33:58 -08:00
CMakeLists.txt [cmake] Fix -stripped for umbrella library install targets 2020-03-20 18:46:48 -07:00
CODE_OWNERS.TXT Remove myself from CODE_OWNERS. 2020-02-25 11:59:29 +00:00
configure
CREDITS.TXT Update email address. 2019-07-17 07:02:02 +00:00
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
llvm.spec.in Update structured references to the license to the new license. 2019-01-19 11:30:51 +00:00
LLVMBuild.txt Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

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.