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(parent: e6b6bae) | patch
Don't perform expensive queries checking for super and sub registers when we know...
authorOwen Anderson <resistor@mac.com>
Fri, 27 Jun 2008 01:22:50 +0000 (01:22 +0000)
committerOwen Anderson <resistor@mac.com>
Fri, 27 Jun 2008 01:22:50 +0000 (01:22 +0000)
commitb827c26e1e49944e44604402d2414b259dba6900
tree5364adb77993d85e46a440fe1bf243e4ee535e74tree | snapshot
parente6b6bae536a382ca76c738275b82c73b026cd6bfcommit | 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
lib/CodeGen/MachineInstr.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors