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a806fbf4b8
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Chandler Carruth a806fbf4b8 [PM/LoopUnswitch] Detect irreducible control flow within loops and skip unswitching non-trivial edges. 
Summary:
This fixes the bug pointed out in review with non-trivial unswitching.

This also provides a basis that should make it pretty easy to finish
fleshing out a routine to scan an entire function body for irreducible
control flow, but this patch remains minimal for disabling loop
unswitch.

Reviewers: sanjoy, fedor.sergeev

Subscribers: mcrosier, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D45754

llvm-svn: 330357
2018-04-19 18:44:25 +00:00
bindings [llgo] Move SetSubprogram 2018-04-07 16:26:59 +00:00
cmake [cmake] Improve pthread_[gs]etname_np detection code 2018-04-18 13:13:27 +00:00
docs [AMDGPU] Add gfx902 product names 2018-04-14 01:58:10 +00:00
examples [ORC] Create a new SymbolStringPool by default in ExecutionSession constructor. 2018-04-02 20:57:56 +00:00
include [ORC] Make VSO symbol resolution/finalization operations private. 2018-04-19 18:42:49 +00:00
lib [PM/LoopUnswitch] Detect irreducible control flow within loops and skip unswitching non-trivial edges. 2018-04-19 18:44:25 +00:00
projects [cmake] Support moving debuginfo-tests to llvm/projects 2017-12-12 17:06:08 +00:00
resources
runtimes [CMake][runtimes] Process common options in runtimes build 2018-04-11 05:18:03 +00:00
test [PM/LoopUnswitch] Detect irreducible control flow within loops and skip unswitching non-trivial edges. 2018-04-19 18:44:25 +00:00
tools [llvm-objdump] Print "..." instead of random data for virtual sections 2018-04-19 17:02:57 +00:00
unittests [Unittests] Fix plugins test 2018-04-19 14:02:46 +00:00
utils [llvm-exegesis] Fix PfmIssueCountersTable creation 2018-04-19 10:59:49 +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
.gitattributes [MC] Fix regression tests on Windows when git “core.autocrlf” is set to true. 2017-11-17 21:59:43 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt [llvm-exegesis] Add a flag to disable libpfm even if present. 2018-04-11 07:32:43 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take ownership of C API. 2018-04-17 01:09:12 +00:00
configure
CREDITS.TXT Add myself to CREDITS.txt 2018-01-29 17:02:34 +00:00
LICENSE.TXT Bump year to 2017 in LICENSE.txt 2017-01-12 18:02:42 +00:00
llvm.spec.in
LLVMBuild.txt
README.txt Test commit access 2017-08-18 02:39:28 +00:00
RELEASE_TESTERS.TXT Update my email addresses, NFC. 2017-10-26 10:16:54 +00:00

README.txt 

Low Level Virtual Machine (LLVM)
================================

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Please see the documentation provided in docs/ for further
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