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Sanjay Patel 2f99d009c1 [SelectionDAG] fold concat of extract subvectors 
This is derived from the related fold for build vectors.
We also have a version of this in DAGCombiner. The benefit of
having this fold at node creation time is (1) efficiency and
(2) preventing infinite looping from creating patterns that
should not exist in the first place.

Currently, the inf-loop could happen with MergeConsecutiveStores()
because it naively creates concat of extracts when forming a wider
vector store. That could fight with target-specific store narrowing.

llvm-svn: 361780
 		2019-05-27 20:26:21 +00:00
clang [Preprocessor] Fix crash emitting note with framework location for "file not found" error. 2019-05-27 19:15:30 +00:00
clang-tools-extra [clang-tidy] Fix unused-variable warning after r361647. 2019-05-27 08:09:02 +00:00
compiler-rt [libFuzzer] when using data-flow-trace (DFT) only load the DFT for the files present in the corpus 2019-05-24 00:43:52 +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 test for older clang versions 2019-05-24 03:15:32 +00:00
libcxxabi [runtimes] Move libunwind, libc++abi and libc++ to lib/$target/c++ and include/c++ 2019-05-22 21:08:33 +00:00
libunwind [runtimes] Move libunwind, libc++abi and libc++ to lib/$target/c++ and include/c++ 2019-05-22 21:08:33 +00:00
lld Remove elf::createSharedFile and move its code to SharedFile's ctor. NFC. 2019-05-27 07:26:13 +00:00
lldb DWARFDebugArangeSet: Remove references to SymbolFileDWARF 2019-05-27 14:16:15 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm [SelectionDAG] fold concat of extract subvectors 2019-05-27 20:26:21 +00:00
openmp Revert "[OPENMP][NVPTX]Fix barriers and parallel level counters, NFC." 2019-05-24 14:06:47 +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 [DeLICM] Use polly::singleton to allow empty result. 2019-05-21 19:18:26 +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.