commit	69855491eee9252f32bf2c2d60374eb75fb9b4e3	[log] [tgz]
author	Aditya Nandakumar <aditya_nandakumar@apple.com>	Fri Nov 17 02:44:55 2017 +0000
committer	Aditya Nandakumar <aditya_nandakumar@apple.com>	Fri Nov 17 02:44:55 2017 +0000
tree	cb92118d3c06061e1e3337ef88e1ac61ba6732fd
parent	5584cc48c70cfe46c88ca2df20e9718cfc2dec18 [diff]

[GISel]: DCE copy instructions during legalization

We might have instructions such as ext(copy(trunc)), and while cleaning
up legalization artifacts, we can also dce the copies that are in
between legalization artifacts.

llvm-svn: 318501

llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h[diff]
llvm/test/CodeGen/AArch64/GlobalISel/legalize-simple.mir[diff]

2 files changed

tree: cb92118d3c06061e1e3337ef88e1ac61ba6732fd

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.