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Mirror of https://github.com/RPCS3/llvm-mirror
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Philip Reames 03638ef4ae Do actual DCE in LoopUnroll (try 3) 
Recommitting after fixing a bug found post commit.  Amusingly, try 1 had been correct, and by reverting to incorporate last minute review feedback, I introduce the bug.  Oops.  :)

The problem was that recursively deleting an instruction can delete instructions beyond the current iterator (via a dead phi), thus invalidating iteration.  Test case added in LoopUnroll/dce.ll to cover this case.

LoopUnroll does a limited DCE pass after unrolling, but if you have a chain of dead instructions, it only deletes the last one. Improve the code to recursively delete all trivially dead instructions.

Differential Revision: https://reviews.llvm.org/D102511
2021-05-17 14:47:02 -07:00
benchmarks
bindings Support unwinding from inline assembly 2021-05-13 19:13:03 +01:00
cmake [MinGW] Always enable -mbig-obj for LLVM build unless using Clang 2021-05-14 23:47:50 +03:00
docs [llvm][doc] fix header for read/write_register intrinsics in LangRef 2021-05-17 18:38:16 +02:00
examples [ORC] Update SpeculativeJIT example for dispatchTask changes in 5344c88dcb2. 2021-05-10 09:30:46 -07:00
include [AArch64] Support customizing stack protector guard 2021-05-17 11:49:22 -07:00
lib Do actual DCE in LoopUnroll (try 3) 2021-05-17 14:47:02 -07:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [runtimes] Add the libc project to the list of runtimes. 2021-03-23 17:33:03 +00:00
test Do actual DCE in LoopUnroll (try 3) 2021-05-17 14:47:02 -07:00
tools [llvm-jitlink] Link libnetwork on Haiku in llvm-jitlink 2021-05-14 20:49:03 -07:00
unittests [test] Free triple in PassBuilderBindingsTest 2021-05-17 13:58:16 -07:00
utils [gn build] Port 0c557db61711 2021-05-17 18:56:03 +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 Remove .gitignore entries not relevant in the monorepo. 2021-04-07 12:25:02 -07:00
CMakeLists.txt [flang][cmake] Enable the new driver by default 2021-05-11 09:16:29 +00:00
CODE_OWNERS.TXT [M68k][CODE_OWNERS](0/8) Add code owner for the M68k target 2021-03-08 12:30:56 -08:00
configure
CREDITS.TXT Update personal info in CREDITS.TXT 2021-04-11 19:25:02 +08:00
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
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.