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Craig Disselkoen 1cbae6c6e8 C API: functions to get mask of a ShuffleVector 
This commit fixes a regression (from LLVM 10 to LLVM 11 RC3) in the LLVM
C API.

Previously, commit 1ee6ec2bf removed the mask operand from the
ShuffleVector instruction, storing the mask data separately in the
instruction instead; this reduced the number of operands of
ShuffleVector from 3 to 2. AFAICT, this change unintentionally caused
a regression in the LLVM C API. Specifically, it is no longer possible
to get the mask of a ShuffleVector instruction through the C API. This
patch introduces new functions which together allow a C API user to get
the mask of a ShuffleVector instruction, restoring the functionality
which was previously available through LLVMGetOperand().

This patch also adds tests for this change to the llvm-c-test
executable, which involved adding support for InsertElement,
ExtractElement, and ShuffleVector itself (as well as constant vectors)
to echo.cpp. Previously, vector operations weren't tested at all in
echo.ll.

I also fixed some typos in comments and help-text nearby these changes,
which I happened to spot while developing this patch. Since the typo
fixes are technically unrelated other than being in the same files, I'm
happy to take them out if you'd rather they not be included in the patch.

Differential Revision: https://reviews.llvm.org/D88190
2020-09-25 16:01:05 -07:00
benchmarks
bindings [OCaml] Remove add_constant_propagation 2020-08-27 09:30:21 -07:00
cmake [CMake] Make sure _cmake_system_name has a default 2020-09-25 11:33:12 -04:00
docs OpaquePtr: Add type to sret attribute 2020-09-25 14:07:30 -04:00
examples [ORC][examples] Add missing library dependencies. 2020-09-22 16:18:00 -07:00
include C API: functions to get mask of a ShuffleVector 2020-09-25 16:01:05 -07:00
lib C API: functions to get mask of a ShuffleVector 2020-09-25 16:01:05 -07:00
projects Add few docs and implementation of strcpy and strcat. 2019-10-04 17:30:54 +00:00
resources
runtimes [AIX] Try to not use LLVM tools while building runtimes 2020-09-25 10:55:24 -04:00
test C API: functions to get mask of a ShuffleVector 2020-09-25 16:01:05 -07:00
tools C API: functions to get mask of a ShuffleVector 2020-09-25 16:01:05 -07:00
unittests [ValueTracking] Check uses of Argument if it is given to isGuaranteedNotToBeUndefOrPoison 2020-09-25 08:57:57 +09:00
utils [gn build] Port e336b74c995 2020-09-25 12:13:19 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy - Update .clang-tidy to ignore parameters of main like functions for naming violations in clang and llvm directory 2020-01-31 16:49:45 +00:00
.gitattributes Fix the "git modified" issue on the preserve-comments-crlf.s. 2019-09-10 12:17:49 +00:00
.gitignore [clangd] Store index in '.cache/clangd/index' instead of '.clangd/index' 2020-07-07 14:53:45 +02:00
CMakeLists.txt [cmake] Centralize LLVM_ENABLE_WARNINGS option 2020-09-21 10:23:17 -07:00
CODE_OWNERS.TXT Update PowerPC backend ownership in CODE_OWNERS.TXT 2020-09-14 15:45:57 -05:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT Update my email address. 2020-08-21 10:15:26 -07:00
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. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT Update the list of platforms & archs 2018-12-16 14:47:16 +00:00

README.txt 

The LLVM Compiler Infrastructure
================================

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LLVM is open source software. You may freely distribute it under the terms of
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Please see the documentation provided in docs/ for further
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