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Matt Arsenault 8dd78349f8 GlobalISel: Combine g_extract with g_merge_values 
Try to use the underlying source registers.

This enables legalization in more cases where some irregular
operations are widened and others narrowed.

This seems to make the test_combines_2 AArch64 test worse, since the
MERGE_VALUES has multiple uses. Since this should be required for
legalization, a hasOneUse check is probably inappropriate (or maybe
should only be used if the merge is legal?).

llvm-svn: 353121
2019-02-04 23:41:59 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
cmake Revert "Bump minimum toolchain version" 2019-02-02 06:01:12 +00:00
docs [Intrinsic] Unsigned Fixed Point Multiplication Intrinsic 2019-02-04 17:18:11 +00:00
examples Fix compilation of examples after 13680223b9d8 / r352827 2019-02-01 03:23:42 +00:00
include GlobalISel: Combine g_extract with g_merge_values 2019-02-04 23:41:59 +00:00
lib GlobalISel: Combine g_extract with g_merge_values 2019-02-04 23:41:59 +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 Revert "[CMake] Use __libc_start_main rather than fopen when checking for C library" 2019-01-28 19:26:41 +00:00
test GlobalISel: Combine g_extract with g_merge_values 2019-02-04 23:41:59 +00:00
tools [llvm-readobj] Report more WebAssembly symbol info 2019-02-04 22:27:46 +00:00
unittests GlobalISel: Fix not calling observer when legalizing bitcount ops 2019-02-04 22:26:33 +00:00
utils gn build: Windows: use a more standard format for PDB filenames 2019-02-04 21:27:38 +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 clangd index files. 2019-01-25 14:05:18 +00:00
CMakeLists.txt Revert "Bump minimum toolchain version" 2019-02-02 06:01:12 +00:00
CODE_OWNERS.TXT [llvm-mca] Move llvm-mca library to llvm/lib/MCA. 2018-12-17 08:08:31 +00:00
configure
CREDITS.TXT Remove a period from CREDITS.TXT (testing email change). NFC 2019-01-19 09:07:38 +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 Test commit. 2018-09-22 01:01:03 +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.