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Craig Topper 6cd0b17078 [X86] Add a DAG combine pre type legalization to widen division by constant splat on narrow vectors to avoid scalarization 
This is another patch for -x86-experimental-vector-widening. This pre widens narrow division by constants so that we can get pass the legal type check in the generic DAG combiner. Otherwise we end up scalarizing.

I've restricted this to splats for now because it was easy to just call DAG.getConstant. Not sure what we should do for non-splat? Increase the element size?Widen the constant vector by padding with 1?

Differential Revision: https://reviews.llvm.org/D54919

llvm-svn: 347898
 		2018-11-29 19:13:38 +00:00
clang set default max-page-size to 4KB in lld for Android Aarch64 2018-11-29 18:52:22 +00:00
clang-tools-extra Adding a FIXME test to document an area for improvement with the cert-err58-cpp check; NFC. 2018-11-29 12:45:50 +00:00
compiler-rt (no commit message) 2018-11-28 18:17:23 +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 cmake build 2018-11-27 16:07:21 +00:00
libcxx [libcxx] More fixes to XFAILs for aligned allocation tests for macosx 10.13 2018-11-29 15:52:36 +00:00
libcxxabi [Demangle] remove itaniumFindTypesInMangledName 2018-11-27 16:11:24 +00:00
libunwind [CMake] Passthrough CFLAGS when checking the compiler-rt path 2018-11-14 00:09:26 +00:00
lld [LLD][ELF] Error if _GLOBAL_OFFSET_TABLE_ is defined in input objects 2018-11-29 11:18:07 +00:00
lldb [CMake] Fix standalone build for debugserver on macOS 2018-11-29 14:51:49 +00:00
llgo Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm [X86] Add a DAG combine pre type legalization to widen division by constant splat on narrow vectors to avoid scalarization 2018-11-29 19:13:38 +00:00
openmp [OpenMP] Rename ompt_mutex_impl_unknown to ompt_mutex_impl_none 2018-11-28 20:19:53 +00:00
parallel-libs Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
polly [CMake] Fix generation of exported targets in build directory 2018-11-06 15:18:17 +00:00
README.md Update the project name in README.md 2018-10-19 00:03:01 +00:00

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.