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Author SHA1 Message Date
Florian Hahn
2f903fe2ac Recommit "[DSE] Preserve basic block ordering using OrderedBasicBlock." 
Updated to use DenseMap::insert instead of [] operator for insertion, to
avoid a crash caused by epoch checks.

This reverts commit 2b85de438326f9d27bc96dc934ec98b98abdb337.

llvm-svn: 357257
 2019-03-29 14:10:24 +00:00
Florian Hahn
98d7a687e9 Revert Recommit "[DSE] Preserve basic block ordering using OrderedBasicBlock." 
Another buildbot failure

http://lab.llvm.org:8011/builders/clang-cmake-x86_64-sde-avx512-linux/builds/20402

clang-9: /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/llvm/include/llvm/ADT/DenseMap.h:1228: llvm::DenseMapIterator<KeyT, ValueT, KeyInfoT, Bucket, IsConst>::value_type* llvm::DenseMapIterator<KeyT, ValueT, KeyInfoT, Bucket, IsConst>::operator->() const [with KeyT = const llvm::Instruction*; ValueT = unsigned int; KeyInfoT = llvm::DenseMapInfo<const llvm::Instruction*>; Bucket = llvm::detail::DenseMapPair<const llvm::Instruction*, unsigned int>; bool IsConst = false; llvm::DenseMapIterator<KeyT, ValueT, KeyInfoT, Bucket, IsConst>::pointer = llvm::detail::DenseMapPair<const llvm::Instruction*, unsigned int>*; llvm::DenseMapIterator<KeyT, ValueT, KeyInfoT, Bucket, IsConst>::value_type = llvm::detail::DenseMapPair<const llvm::Instruction*, unsigned int>]: Assertion `isHandleInSync() && "invalid iterator access!"' failed.

0.	Program arguments: /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/stage1.install/bin/clang-9 -cc1 -triple x86_64-unknown-linux-gnu -emit-obj -disable-free -main-file-name ArchiveCommandLine.cpp -mrelocation-model static -mthread-model posix -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu skylake-avx512 -dwarf-column-info -debugger-tuning=gdb -momit-leaf-frame-pointer -coverage-notes-file /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/test/sandbox/build/MultiSource/Benchmarks/7zip/Output/ArchiveCommandLine.llvm.gcno -resource-dir /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/stage1.install/lib/clang/9.0.0 -I /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/test/sandbox/build/MultiSource/Benchmarks/7zip -I /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/test/test-suite/MultiSource/Benchmarks/7zip -I /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/test/test-suite/include -I ../../../include -D _GNU_SOURCE -D __STDC_LIMIT_MACROS -D NDEBUG -D BREAK_HANDLER -D UNICODE -D _UNICODE -I /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/test/test-suite/MultiSource/Benchmarks/7zip/C -I /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/test/test-suite/MultiSource/Benchmarks/7zip/CPP/myWindows -I /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/test/test-suite/MultiSource/Benchmarks/7zip/CPP/include_windows -I /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/test/test-suite/MultiSource/Benchmarks/7zip/CPP -I . -D _FILE_OFFSET_BITS=64 -D _LARGEFILE_SOURCE -D NDEBUG -D _REENTRANT -D ENV_UNIX -D _7ZIP_LARGE_PAGES -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/c++/5.4.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/x86_64-linux-gnu/c++/5.4.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/x86_64-linux-gnu/c++/5.4.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/c++/5.4.0/backward -internal-isystem /usr/local/include -internal-isystem /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/stage1.install/lib/clang/9.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O3 -std=gnu++98 -fdeprecated-macro -fdebug-compilation-dir /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/test/sandbox/build/MultiSource/Benchmarks/7zip -ferror-limit 19 -fmessage-length 0 -pthread -fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option -vectorize-loops -vectorize-slp -o Output/ArchiveCommandLine.llvm.o -x c++ /home/ssglocal/clang-cmake-x86_64-sde-avx512-linux/clang-cmake-x86_64-sde-avx512-linux/test/test-suite/MultiSource/Benchmarks/7zip/CPP/7zip/UI/Common/ArchiveCommandLine.cpp -faddrsig

This reverts r357222 (git commit 64cccfcc72c44ea62f441b782d2177a90912769a)

llvm-svn: 357227
 2019-03-29 00:22:26 +00:00
Florian Hahn
99b146d4a0 Recommit "[DSE] Preserve basic block ordering using OrderedBasicBlock." 
Recommitting after addressing a buildbot failure.

This reverts commit c87869ebea000dd6483de7c7451cb36c1d36f866.

llvm-svn: 357222
 2019-03-28 23:11:00 +00:00
Florian Hahn
4959350890 Revert [DSE] Preserve basic block ordering using OrderedBasicBlock. 
This reverts r357208 (git commit c0bfd37d385c93711ef3a349599dba20e6b101ef)

This causes a buildbot failure:  http://lab.llvm.org:8011/builders/clang-with-thin-lto-ubuntu/builds/16124

FAILED: lib/IR/CMakeFiles/LLVMCore.dir/IRBuilder.cpp.o
/home/buildslave/ps4-buildslave1/clang-with-thin-lto-ubuntu/install/stage2/bin/clang++   -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Ilib/IR -I/home/buildslave/ps4-buildslave1/clang-with-thin-lto-ubuntu/llvm.src/lib/IR -Iinclude -I/home/buildslave/ps4-buildslave1/clang-with-thin-lto-ubuntu/llvm.src/include -fPIC -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wstring-conversion -fdiagnostics-color -ffunction-sections -fdata-sections -flto=thin -O3    -UNDEBUG  -fno-exceptions -fno-rtti -MD -MT lib/IR/CMakeFiles/LLVMCore.dir/IRBuilder.cpp.o -MF lib/IR/CMakeFiles/LLVMCore.dir/IRBuilder.cpp.o.d -o lib/IR/CMakeFiles/LLVMCore.dir/IRBuilder.cpp.o -c /home/buildslave/ps4-buildslave1/clang-with-thin-lto-ubuntu/llvm.src/lib/IR/IRBuilder.cpp
clang-9: /home/buildslave/ps4-buildslave1/clang-with-thin-lto-ubuntu/llvm.src/lib/Analysis/OrderedBasicBlock.cpp:38: bool llvm::OrderedBasicBlock::comesBefore(const llvm::Instruction *, const llvm::Instruction *): Assertion `!(LastInstFound == BB->end() && NextInstPos != 0) && "Instruction supposed to be in NumberedInsts"' failed.

llvm-svn: 357211
 2019-03-28 20:36:24 +00:00
Florian Hahn
58ef1f1bc3 [DSE] Preserve basic block ordering using OrderedBasicBlock. 
By extending OrderedBB to allow removing and replacing cached
instructions, we can preserve OrderedBBs in DSE easily. This eliminates
one source of quadratic compile time in DSE.

Fixes PR38829.

Reviewers: rnk, efriedma, hfinkel

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D59789

llvm-svn: 357208
 2019-03-28 20:02:33 +00:00
Chandler Carruth
ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo 
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
 2019-01-19 08:50:56 +00:00
Max Kazantsev
274d8cbfb5 [NFC] Sanitizing asserts for OrderedBasicBlock 
llvm-svn: 341917
 2018-09-11 08:46:19 +00:00
Adrian Prantl
076a6683eb Remove \brief commands from doxygen comments. 
We've been running doxygen with the autobrief option for a couple of
years now. This makes the \brief markers into our comments
redundant. Since they are a visual distraction and we don't want to
encourage more \brief markers in new code either, this patch removes
them all.

Patch produced by

  for i in $(git grep -l '\\brief'); do perl -pi -e 's/\\brief //g' $i & done

Differential Revision: https://reviews.llvm.org/D46290

llvm-svn: 331272
 2018-05-01 15:54:18 +00:00
Benjamin Kramer
f71ae721ed [OrderedBasicBlock] Return false for comesBefore(A, A) 
So far it would return true for the first uncached query, then cached
queries return false.

llvm-svn: 304545
 2017-06-02 13:10:31 +00:00
Bruno Cardoso Lopes
8ce897de05 [CaptureTracker] Provide an ordered basic block to PointerMayBeCapturedBefore 
This patch is a follow up from r240560 and is a step further into
mitigating the compile time performance issues in CaptureTracker.

By providing the CaptureTracker with a "cached ordered basic block"
instead of computing it every time, MemDepAnalysis can use this cache
throughout its calls to AA->callCapturesBefore, avoiding to recompute it
for every scanned instruction. In the same testcase used in r240560,
compile time is reduced from 2min to 30s.

This also fixes PR22348.

rdar://problem/19230319
Differential Revision: http://reviews.llvm.org/D11364

llvm-svn: 243750
 2015-07-31 14:31:35 +00:00