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Piotr Sobczak a861c9aef9 [InstCombine] Allow values with multiple users in SimplifyDemandedVectorElts 
Summary:
Allow for ignoring the check for a single use in SimplifyDemandedVectorElts
to be able to simplify operands if DemandedElts is known to contain
the union of elements used by all users.
It is a responsibility of a caller of SimplifyDemandedVectorElts to
supply correct DemandedElts.

Simplify a series of extractelement instructions if only a subset of
elements is used.

Reviewers: reames, arsenm, majnemer, nhaehnle

Reviewed By: nhaehnle

Subscribers: wdng, jvesely, nhaehnle, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D67345

llvm-svn: 375395
 		2019-10-21 08:12:47 +00:00
clang [AMDGPU] Fix assertion due to initializer list 2019-10-20 15:02:22 +00:00
clang-tools-extra Move endian constant from Host.h to SwapByteOrder.h, prune include 2019-10-19 00:48:11 +00:00
compiler-rt [profile] Use -fPIC -shared in a test instead of -dynamiclib 2019-10-19 00:51:27 +00:00
debuginfo-tests Make nrvo-string test more robust. 2019-06-27 20:38:37 +00:00
libc [libc] Do not add unittests if LLVM_INCLUDE_TESTS is OFF. 2019-10-15 17:42:28 +00:00
libclc travis: Add LLVM 9 build 2019-09-27 05:58:15 +00:00
libcxx Refine check for `_LIBCPP_C_HAS_NO_GETS` on FreeBSD 2019-10-19 10:59:23 +00:00
libcxxabi P1152R4: Fix deprecation warnings in libc++ testsuite and in uses of is_invocable that would internally conjure up a deprecated function type. 2019-10-19 00:06:00 +00:00
libunwind [libunwind][Android] Fix findUnwindSections for ARM EHABI Bionic 2019-10-18 19:59:22 +00:00
lld [LLD] [COFF] Use the local dwarf code instead of Symbolizer for resolving code locations. NFC. 2019-10-21 08:01:59 +00:00
lldb [LLDB] [Windows] Initial support for ARM register contexts 2019-10-21 08:02:34 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm [InstCombine] Allow values with multiple users in SimplifyDemandedVectorElts 2019-10-21 08:12:47 +00:00
openmp [libomptarget][nfc] Make interface.h target independent 2019-10-15 17:15:26 +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 [ScopBuilder] Fix bug 38358 by preserving correct order of ScopStmts. 2019-10-17 23:55:35 +00:00
pstl [pstl] Allow customizing whether per-TU insulation is provided 2019-08-13 12:49:00 +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
.git-blame-ignore-revs Add LLDB reformatting to .git-blame-ignore-revs 2019-09-04 09:31:55 +00:00
.gitignore Add a newline at the end of the file 2019-09-04 06:33:46 +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.