diff options
author | Tim Northover <tnorthover@apple.com> | 2017-04-20 21:57:45 +0000 |
---|---|---|
committer | Tim Northover <tnorthover@apple.com> | 2017-04-20 21:57:45 +0000 |
commit | 100b7f6eae1cd65c4ec2271fecb50c64e27e5d51 (patch) | |
tree | 2c885dc4b2f8670258653735309ff919de3c6472 /clang/lib/Frontend/InitPreprocessor.cpp | |
parent | 46e58354daa0e6508a25e3e74b926b8eb6374ccd (diff) | |
download | llvm-100b7f6eae1cd65c4ec2271fecb50c64e27e5d51.zip llvm-100b7f6eae1cd65c4ec2271fecb50c64e27e5d51.tar.gz llvm-100b7f6eae1cd65c4ec2271fecb50c64e27e5d51.tar.bz2 |
AArch64: lower "fence singlethread" to a pure compiler barrier.
Single-threaded fences aren't required to provide any synchronization with
other processing elements so there's no need for a DMB. They should still be a
barrier for compiler optimizations though.
llvm-svn: 300905
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
0 files changed, 0 insertions, 0 deletions