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2a7f4178e4
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Artyom Skrobov 2a7f4178e4 [ARM] ScheduleDAGRRList::DelayForLiveRegsBottomUp must consider OptionalDefs 
Summary:
D30400 has enabled tADC and tSBC instructions to be unglued, thereby allowing CPSR to remain live between Thumb1 scheduling units.

Most Thumb1 instructions have an OptionalDef for CPSR; but the scheduler ignored the OptionalDefs, and could unwittingly insert a flag-setting instruction in between an ADDS and the corresponding ADC.

Reviewers: javed.absar, atrick, MatzeB, t.p.northover, jmolloy, rengolin

Reviewed By: javed.absar

Subscribers: rogfer01, efriedma, aemerson, rengolin, llvm-commits, MatzeB

Differential Revision: https://reviews.llvm.org/D31081

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301106 91177308-0d34-0410-b5e6-96231b3b80d8
2017-04-23 06:58:08 +00:00
bindings [go bindings] Rmove duplicated conversion function definitions after r300843. 2017-04-20 19:06:11 +00:00
cmake Add a linker script to version LLVM symbols 2017-04-17 20:51:50 +00:00
docs Update documentation for the NetBSD target 2017-04-22 16:11:23 +00:00
examples Module::getOrInsertFunction is using C-style vararg instead of variadic templates. 2017-04-11 15:01:18 +00:00
include [APInt] Use operator<<= instead of shl where possible. NFC 2017-04-23 05:18:31 +00:00
lib [ARM] ScheduleDAGRRList::DelayForLiveRegsBottomUp must consider OptionalDefs 2017-04-23 06:58:08 +00:00
projects [cmake] Include openmp with add_llvm_external_project 2017-03-07 18:54:17 +00:00
resources In MSVC builds embed a VERSIONINFO resource in our exe and DLL files. 2015-06-12 15:58:29 +00:00
runtimes [CMake][runtimes] Use -nodefaultlibs for the runtimes build 2017-04-13 21:29:03 +00:00
test [ARM] ScheduleDAGRRList::DelayForLiveRegsBottomUp must consider OptionalDefs 2017-04-23 06:58:08 +00:00
tools Remove the unnecessary virtual dtor from the DIEUnit hierarchy (in favor of protected dtor in the base, final derived classes with public non-virtual dtors) 2017-04-22 02:18:00 +00:00
unittests [APInt] Add ashrInPlace method and implement ashr using it. Also fix a bug in the shift by BitWidth handling. 2017-04-22 22:00:03 +00:00
utils [globalisel][tablegen] Add support for RegisterOperand. 2017-04-22 15:53:21 +00:00
.arcconfig project_id is from another era in phabricator land and does not provide any value. 2016-09-27 15:47:29 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitignore gitignore: Ignore .vs folder (VS2017 config files) 2017-04-08 00:16:58 +00:00
CMakeLists.txt Allow suppressing host and target info in VersionPrinter 2017-04-19 00:03:36 +00:00
CODE_OWNERS.TXT CODE_OWNERS: Take code ownership of instruction scheduling. 2017-03-10 18:34:37 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT CODE_OWNERS: Take code ownership of instruction scheduling. 2017-03-10 18:34:37 +00:00
LICENSE.TXT Bump year to 2017 in LICENSE.txt 2017-01-12 18:02:42 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
README.txt Test commit. Added a blank line. 2017-03-06 20:45:33 +00:00
RELEASE_TESTERS.TXT Update the release tester for MIPS. NFC. 2017-01-17 11:00:28 +00:00

README.txt 

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

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.