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Simon Cook 5c4172c74b [RISCV] Compress instructions based on function features 
When running under LTO, it is common to not specify the architecture
spec, which is used for setting up the target machine, and instead rely
on features specified in each function to generate the correct
instructions.

This works for the code generator, but the RISC-V backend uses the
AsmPrinter to do instruction compression, which does not see these
features but instead uses a MCSubtargetInfo object to see whether
compression is enabled. Since this is configured based on the
TargetMachine at startup, it will result in compressed instructions not
being emitted when it has not been given the 'c' TargetFeature, but the
function has it.

This changes the RISCVAsmPrinter to re-initialize the STI feature set
based on the current MachineFunction, such that compressed instructions
are now correctly emitted regardless of the method used to enable them.

Differential revision: https://reviews.llvm.org/D73339
2020-02-28 11:52:55 +00:00
benchmarks
bindings [LLVM-C] Add bindings for addCoroutinePassesToExtensionPoints 2020-02-24 20:15:51 +01:00
cmake Add llvm-cov to LLVM_TOOLCHAIN_TOOLS 2020-02-25 10:59:55 +01:00
docs [ADT] Add CoalescingBitVector, implemented using IntervalMap [1/3] 2020-02-27 12:39:46 -08:00
examples [ORC][examples] Fix ThinLtoJIT example after changes in 85fb997659b. 2020-02-20 11:15:08 -08:00
include [DWARFLinker][NFC] Remove usages of "const object::ObjectFile" from DWARFLinker. 2020-02-28 13:26:22 +03:00
lib [RISCV] Compress instructions based on function features 2020-02-28 11:52:55 +00:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +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 [runtimes] Add umbrella targets for runtimes 2020-02-12 09:46:14 -08:00
test [RISCV] Compress instructions based on function features 2020-02-28 11:52:55 +00:00
tools [DWARFLinker][NFC] Remove usages of "const object::ObjectFile" from DWARFLinker. 2020-02-28 13:26:22 +03:00
unittests [DebugInfo] Re-implement LexicalScopes dominance method, add unit tests 2020-02-28 11:41:28 +00:00
utils [gn build] Port 6af859dcca2 2020-02-28 11:49:23 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.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
.gitignore Continue removing llgo. 2020-02-10 10:33:58 -08:00
CMakeLists.txt [AIX] Improve 32/64-bit build configuration 2020-02-20 15:41:00 -05:00
CODE_OWNERS.TXT Remove myself from CODE_OWNERS. 2020-02-25 11:59:29 +00:00
configure
CREDITS.TXT Update email address. 2019-07-17 07:02:02 +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
README.txt Test commit. 2019-10-03 14:57:49 +00:00
RELEASE_TESTERS.TXT

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.