diff options
| author | Owen Anderson <resistor@mac.com> | 2008-06-27 01:22:50 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2008-06-27 01:22:50 +0000 |
| commit | 21498f52b29a3095fd800c6b0b459b04d5f7b46e (patch) | |
| tree | 70869760cfd93d36c09409d7e2748399094e374f /llvm/lib/CodeGen/MachineModuleInfo.cpp | |
| parent | f96d046d7ce155494cc1885e7dc813809696aece (diff) | |
| download | llvm-21498f52b29a3095fd800c6b0b459b04d5f7b46e.zip llvm-21498f52b29a3095fd800c6b0b459b04d5f7b46e.tar.gz llvm-21498f52b29a3095fd800c6b0b459b04d5f7b46e.tar.bz2 | |
Don't perform expensive queries checking for super and sub registers when we know that there aren't any.
This speed up LiveVariables on instcombine at -O0 -g from 0.3855s to 0.3503s. Look for more improvements in this area soon!
llvm-svn: 52804
Diffstat (limited to 'llvm/lib/CodeGen/MachineModuleInfo.cpp')
0 files changed, 0 insertions, 0 deletions