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Nikita Popov 9060b6df97 [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
clang Fix test not to use UNSUPPORTED as a FileCheck prefix. 2019-05-20 14:57:18 +00:00
clang-tools-extra Disable the modernize-use-trailing-return-type.cpp test in C++2a mode 2019-05-20 15:12:12 +00:00
compiler-rt [scudo][standalone] Introduce the Primary(s) and LocalCache 2019-05-20 14:40:04 +00:00
debuginfo-tests Set config.lit_tools_dir, which is needed by lit.llvm.initialize. 2018-11-06 21:54:27 +00:00
libclc travis: Add LLVM-8 build 2019-03-27 21:28:31 +00:00
libcxx Fix missing std:: qualifier in __gnu_cxx::hash_map in C++03 2019-05-17 20:59:57 +00:00
libcxxabi [libcxxabi] Add a test for invalid assumptions on the alignment of exceptions 2019-05-17 14:53:29 +00:00
libunwind [PPC] Fix 32-bit build of libunwind 2019-05-16 06:49:20 +00:00
lld [ELF] -z combreloc: sort dynamic relocations by (!is_relative,symbol_index,r_offset) 2019-05-20 15:25:01 +00:00
lldb DWARF: Port most of other sections over to DWARFContext 2019-05-20 08:38:47 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm [SDAG] Vector op legalization for overflow ops 2019-05-20 16:09:22 +00:00
openmp [OpenMP][OMPT] Fix locking testcases for 32 bit architectures 2019-05-20 14:21:42 +00:00
parallel-libs Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
polly [polly] Fix non-determinism in IslNodeBuilder. 2019-05-14 23:01:19 +00:00
pstl [pstl] Make the default backend be the serial backend and always provide parallel policies 2019-04-24 20:12:36 +00:00
.arcconfig Update monorepo .arcconfig with new project callsign. 2019-01-31 14:34:59 +00:00
.clang-format Add .clang-tidy and .clang-format files to the toplevel of the 2019-01-29 16:43:16 +00:00
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitignore Add a reduced copy of the llvm .gitignore 2019-04-09 00:52:49 +00:00
README.md
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README.md

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.