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Andrew Savonichev 44a60c9c6a [AArch64] Generate LD1 for anyext i8 or i16 vector load 
The existing LD1 patterns do not cover cases where result type does
not match the memory type. This happens when illegal vector types are
extended and scalarized, for example:

  load <2 x i16>* %v2i16

is lowered into:

  // first element
  (v4i32 (insert_subvector (v2i32 (scalar_to_vector (load anyext from i16)))))
  // other elements
  (v4i32 (insert_vector_elt (i32 (load anyext from i16)) idx))

Before this patch these patterns were compiled into LDR + INS.
Now they are compiled into LD1.

The problem was reported in
PR24820: LLVM Generates abysmal code in simple situation.

Differential Revision: https://reviews.llvm.org/D102938
2021-05-26 14:44:21 +03:00
benchmarks
bindings [SanitizeCoverage] Add support for NoSanitizeCoverage function attribute 2021-05-25 12:57:14 +02:00
cmake [CMake] Don't LTO optimize targets that aren't part of any distribution 2021-05-19 15:02:11 -07:00
docs [Docs] Updated the content of getting started documentation under llvm/lib/MC 2021-05-26 16:25:26 +05:30
examples [ORC] Update SpeculativeJIT example for dispatchTask changes in 5344c88dcb2. 2021-05-10 09:30:46 -07:00
include [MC][ELF] Emit unique sections for different flags 2021-05-26 11:51:29 +01:00
lib [AArch64] Generate LD1 for anyext i8 or i16 vector load 2021-05-26 14:44:21 +03:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [runtimes] Add the libc project to the list of runtimes. 2021-03-23 17:33:03 +00:00
test [AArch64] Generate LD1 for anyext i8 or i16 vector load 2021-05-26 14:44:21 +03:00
tools [NFC][object] Change the input parameter of the method isDebugSection. 2021-05-26 08:47:53 +00:00
unittests [MC][ELF] Emit unique sections for different flags 2021-05-26 11:51:29 +01:00
utils [gn build] Port 36d0fdf9ac3b 2021-05-26 04:31:12 +00:00
.clang-format
.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
.gitignore Remove .gitignore entries not relevant in the monorepo. 2021-04-07 12:25:02 -07:00
CMakeLists.txt [CMake] Don't LTO optimize targets that aren't part of any distribution 2021-05-19 15:02:11 -07:00
CODE_OWNERS.TXT [M68k][CODE_OWNERS](0/8) Add code owner for the M68k target 2021-03-08 12:30:56 -08:00
configure
CREDITS.TXT Update personal info in CREDITS.TXT 2021-04-11 19:25:02 +08:00
LICENSE.TXT
llvm.spec.in
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT

README.txt 

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.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you are writing a package for LLVM, see docs/Packaging.rst for our
suggestions.