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Nikita Popov e1a5d76660 [SDAG] Vector op legalization for overflow ops 
Fixes issue reported by aemerson on D57348. Vector op legalization
support is added for uaddo, usubo, saddo and ssubo (umulo and smulo
were already supported). As usual, by extracting TargetLowering methods
and calling them from vector op legalization.

Vector op legalization doesn't really deal with multiple result nodes,
so I'm explicitly performing a recursive legalization call on the
result value that is not being legalized.

There are some existing test changes because expansion happens
earlier, so we don't get a DAG combiner run in between anymore.

Differential Revision: https://reviews.llvm.org/D61692

llvm-svn: 361166
2019-05-20 16:09:22 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [OCaml] Update api to account for FNeg and CallBr instructions 2019-04-16 15:00:19 +00:00
cmake build: use clang-cl for runtimes when targeting Windows 2019-05-17 20:09:06 +00:00
docs Match types of accumulator and result for llvm.experimental.vector.reduce.fadd/fmul 2019-05-20 09:54:06 +00:00
examples [JITLink] Update BuildingAJIT tutorials to account for API changes in r358818. 2019-04-20 17:35:28 +00:00
include [SDAG] Vector op legalization for overflow ops 2019-05-20 16:09:22 +00:00
lib [SDAG] Vector op legalization for overflow ops 2019-05-20 16:09:22 +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 [CMake] Replace the sanitizer support in runtimes build with multilib 2019-04-22 23:31:39 +00:00
test [SDAG] Vector op legalization for overflow ops 2019-05-20 16:09:22 +00:00
tools [llvm-readelf] - Rework how we parse the .dynamic section. 2019-05-20 15:41:48 +00:00
unittests [DebugInfoMetadata] Refactor DIExpression::prepend constants (NFC) 2019-05-20 10:35:57 +00:00
utils gn build: Merge r361152 2019-05-20 13:46:42 +00:00
.arcconfig
.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 [clangd] Store index in '.clangd/index' instead of '.clangd-index' 2019-02-20 19:08:06 +00:00
CMakeLists.txt build: add option to disable unwind tables 2019-05-02 19:37:26 +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 add Qiu Chaofan (qiucf@cn.ibm.com) to the CREDITS.txt 2019-04-23 02:37:48 +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 Testing commit access 2019-02-19 20:38:51 +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,
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Please see the documentation provided in docs/ for further
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