Add a static MachineOperand::clobbersPhysReg().
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Fri, 10 Feb 2012 19:23:53 +0000 (19:23 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Fri, 10 Feb 2012 19:23:53 +0000 (19:23 +0000)
commit938200859ec714f59f8f93acceb999e212e9c539
tree30055415a03eb3855cf681e714a5307ba1dfee97
parent6ef7da0197735a16aa534e9e2c80709d3d6e8c56
Add a static MachineOperand::clobbersPhysReg().

It can be necessary to detach a register mask pointer from its
MachineOperand. This method is convenient for checking clobbered
physregs on a detached bitmask pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150261 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/MachineOperand.h
lib/CodeGen/InterferenceCache.cpp