commit	6f109f8c6c24c8547976aff1f0649ef505d4c3ef	[log] [tgz]
author	Craig Topper <craig.topper@intel.com>	Sat Jan 13 06:24:46 2018 +0000
committer	Craig Topper <craig.topper@intel.com>	Sat Jan 13 06:24:46 2018 +0000
tree	facf6a8d4cf3693b6c4fa14799a2c9f22f1dbe8c
parent	56ae0a67e8207e39b45ea9f19c6855a925189bb4 [diff]

[X86] Add DAG combine to promote vXi1 result of a vXi8/vXi16 setcc when we have AVX512 but not BWI.

This avoids having the result type stick around until lowering where we have to extend the setcc and insert a truncate. If we get the types converted early we can do more to optimize it.

llvm-svn: 322432

llvm/lib/Target/X86/X86ISelLowering.cpp[diff]
llvm/test/CodeGen/X86/avx512vl-vec-masked-cmp.ll[diff]
llvm/test/CodeGen/X86/vector-compare-results.ll[diff]

3 files changed

tree: facf6a8d4cf3693b6c4fa14799a2c9f22f1dbe8c

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.