commit	876ec0b558e21c78b18fdac116bb251c882997b3	[log] [tgz]
author	Craig Topper <craig.topper@intel.com>	Sun Dec 31 07:38:41 2017 +0000
committer	Craig Topper <craig.topper@intel.com>	Sun Dec 31 07:38:41 2017 +0000
tree	581cec180d62b35c4d7dc6436997118c4decae1e
parent	6159f5ebd81e0f3e8e0391d50efeb4140dc5d557 [diff]

[X86] Prevent combining (v8i1 (bitconvert (i8 load)))->(v8i1 load) if we don't have DQI.

We end up using an i8 load via an isel pattern from v8i1 anyway. This just makes it more explicit. This seems to improve codgen in some cases and I'd like to kill off some of the load patterns.

llvm-svn: 321598

llvm/lib/Target/X86/X86ISelLowering.cpp[diff]
llvm/lib/Target/X86/X86ISelLowering.h[diff]
llvm/lib/Target/X86/X86InstrAVX512.td[diff]
llvm/test/CodeGen/X86/avx512vl-vec-masked-cmp.ll[diff]
llvm/test/CodeGen/X86/bitcast-int-to-vector-bool-sext.ll[diff]
llvm/test/CodeGen/X86/bitcast-int-to-vector-bool-zext.ll[diff]
llvm/test/CodeGen/X86/bitcast-int-to-vector-bool.ll[diff]

7 files changed

tree: 581cec180d62b35c4d7dc6436997118c4decae1e

clang/
clang-tools-extra/
compiler-rt/
debuginfo-tests/
libclc/
libcxx/
libcxxabi/
libunwind/
lld/
lldb/
llgo/
llvm/
openmp/
parallel-libs/
polly/
README.md

README.md

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.