commit	63bc0e3cb9a68551b5d2d8c5a0927864204bd345	[log] [tgz]
author	Matt Arsenault <Matthew.Arsenault@amd.com>	Fri Jun 15 15:31:36 2018 +0000
committer	Matt Arsenault <Matthew.Arsenault@amd.com>	Fri Jun 15 15:31:36 2018 +0000
tree	5f496a546a86aa4dc1b37b3b4781617620b505f1
parent	02dc7e19e2910b2b3a963105684af0f830885360 [diff]

AMDGPU: Add combine for short vector extract_vector_elts

Try to access pieces 4 bytes at a time. This helps
various hasOneUse extract_vector_elt combines, such
as load width reductions.

Avoids test regressions in a future commit.

llvm-svn: 334836

llvm/lib/Target/AMDGPU/SIISelLowering.cpp[diff]
llvm/test/CodeGen/AMDGPU/extract_vector_elt-f16.ll[diff]
llvm/test/CodeGen/AMDGPU/extract_vector_elt-i16.ll[diff]
llvm/test/CodeGen/AMDGPU/extract_vector_elt-i8.ll[diff]

4 files changed

tree: 5f496a546a86aa4dc1b37b3b4781617620b505f1

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.