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Jordan Rose 598654b4db Support for dumping current PrettyStackTrace on SIGINFO (Ctrl-T) 
Support SIGINFO (and SIGUSR1 for POSIX purposes) to tell what
long-running jobs are doing, as inspired by BSD tools (including on
macOS), by dumping the current PrettyStackTrace.

This adds a new kind of signal handler for non-fatal "info" signals,
similar to the "interrupt" handler that already exists for SIGINT
(Ctrl-C). It then uses that handler to update a "generation count"
managed by the PrettyStackTrace infrastructure, which is then checked
whenever a PrettyStackTraceEntry is pushed or popped on each
thread. If the generation has changed---i.e. if the user has pressed
Ctrl-T---the stack trace is dumped, though unfortunately it can't
include the deepest entry because that one is currently being
constructed/destructed.

https://reviews.llvm.org/D63750

llvm-svn: 365911
2019-07-12 16:05:09 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [IR/DIVar] Add the flag for params that have unmodified value 2019-06-26 11:19:26 +00:00
cmake cmake: Add INSTALL_WITH_TOOLCHAIN option to add_*_library macros 2019-07-12 14:40:18 +00:00
docs [tools] [llvm-nm] Default to reading from stdin not a.out 2019-07-12 10:20:01 +00:00
examples [ORC] Add custom IR compiler configuration to LLJITBuilder to enable obj caches. 2019-07-10 17:24:24 +00:00
include Support for dumping current PrettyStackTrace on SIGINFO (Ctrl-T) 2019-07-12 16:05:09 +00:00
lib Support for dumping current PrettyStackTrace on SIGINFO (Ctrl-T) 2019-07-12 16:05:09 +00:00
projects Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
resources
runtimes Setup testing target dependencies for default runtimes 2019-06-11 00:25:57 +00:00
test [AMDGPU] Fix DPP combiner check for exec modification 2019-07-12 15:59:40 +00:00
tools cmake: Add INSTALL_WITH_TOOLCHAIN option to add_*_library macros 2019-07-12 14:40:18 +00:00
unittests [YAMLIO] Wrap explicit specialization in llvm::yaml to appease build bots 2019-07-12 06:23:24 +00:00
utils [gn] Tag unneeded variable. 2019-07-12 13:09:39 +00:00
.arcconfig [llvm] Set up .arcconfig to point to Diffusion L repository 2018-01-12 15:37:41 +00:00
.clang-format
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore gitignore: Ignore Qt Creator project configuration files. NFC 2019-06-12 08:28:31 +00:00
CMakeLists.txt Add support for building with Python 3 2019-07-10 19:31:25 +00:00
CODE_OWNERS.TXT Update email address in CODE_OWNERS 2019-07-01 16:01:15 +00:00
configure
CREDITS.TXT [test commit] Add my name to the CREDITS.TXT 2019-05-27 07:48:28 +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 Testing commit access 2019-02-19 20:38:51 +00:00
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.