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Mirror of https://github.com/RPCS3/llvm-mirror
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Craig Topper b16fe4df30 [X86] Custom type legalize v2i32/v4i16/v8i8->i64 bitcasts in 64-bit mode similar to what's done when the destination is f64. 
The generic legalizer will fall back to a stack spill that uses a truncating store. That store will get expanded into a shuffle and non-truncating store on pre-avx512 targets. Once that happens the stack store/load pair will be combined away leaving behind the shuffle and bitcasts. On avx512 targets the truncating store is legal so doesn't get folded away.

By custom legalizing it we can avoid this churn and maybe produce better code.

llvm-svn: 348085
2018-12-02 05:46:48 +00:00
benchmarks Pull google/benchmark library to the LLVM tree 2018-08-28 09:42:41 +00:00
bindings [bindings/go] Add Go bindings to LLVMGetIndices 2018-11-08 04:04:04 +00:00
cmake [CMake] build correctly if build path contains whitespace 2018-11-30 00:30:53 +00:00
docs [docs][AtomicExpandPass] Document the alternate lowering strategy for part-word atomicrmw/cmpxchg 2018-11-30 09:23:24 +00:00
examples Fix build break from r347239 2018-11-19 18:51:11 +00:00
include [TTI] Reduction costs only need to include a single extract element cost (REAPPLIED) 2018-12-01 14:18:31 +00:00
lib [X86] Custom type legalize v2i32/v4i16/v8i8->i64 bitcasts in 64-bit mode similar to what's done when the destination is f64. 2018-12-02 05:46:48 +00:00
projects [projects] Use add_llvm_external_project for implicit projects 2018-12-01 01:41:27 +00:00
resources
runtimes Revert "[CMake] Pass Clang defaults to runtimes builds" 2018-07-13 20:01:55 +00:00
test [X86] Custom type legalize v2i32/v4i16/v8i8->i64 bitcasts in 64-bit mode similar to what's done when the destination is f64. 2018-12-02 05:46:48 +00:00
tools [llvm-readobj] Improve dynamic section iteration NFC. 2018-12-01 12:27:24 +00:00
unittests [ValueTracking] Make unit tests easier to write; NFC 2018-11-30 22:22:30 +00:00
utils [lit] Add a generic build script with a lit substitution. 2018-12-01 00:22:21 +00:00
.arcconfig [llvm] Set up .arcconfig to point to Diffusion L repository 2018-01-12 15:37:41 +00:00
.clang-format
.clang-tidy .clang-tidy: correct style name is 'camelBack' not 'lowerCase'. 2016-09-13 19:04:26 +00:00
.gitattributes [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
.gitignore [git/svn] Ignore Visual Studio's CMakeSettings.json. 2018-10-29 14:51:02 +00:00
CMakeLists.txt [LLVM] Allow modulemap installation 2018-11-21 20:46:50 +00:00
CODE_OWNERS.TXT [CODE_OWNERS] Add myself as code owner for MinGW 2018-11-29 10:58:15 +00:00
configure Remove autoconf support 2016-01-26 21:29:08 +00:00
CREDITS.TXT add Kang Zhang(shkzhang@cn.ibm.com) to the CREDITS.TXT 2018-11-25 02:56:49 +00:00
LICENSE.TXT Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm.spec.in [Sparc] Implement i64 load/store support for 32-bit sparc. 2015-08-10 19:11:39 +00:00
LLVMBuild.txt
README.txt Test commit. 2018-09-22 01:01:03 +00:00
RELEASE_TESTERS.TXT Adding Yvan as release test backup for Diana 2018-11-08 11:51:27 +00:00

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.