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| 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 | b827c26e1e49944e44604402d2414b259dba6900 (patch) | |
| tree | 5364adb77993d85e46a440fe1bf243e4ee535e74 /include/llvm/CodeGen/MachineModuleInfo.h | |
| parent | e6b6bae536a382ca76c738275b82c73b026cd6bf (diff) | |
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!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52804 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/MachineModuleInfo.h')
0 files changed, 0 insertions, 0 deletions