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llvm-6502/lib/CodeGen/LiveRegMatrix.cpp
Jakob Stoklund Olesen eb06b0b6aa Accept null PhysReg arguments to checkRegMaskInterference. 
Calling checkRegMaskInterference(VirtReg) checks if VirtReg crosses any
regmask operands, regardless of the registers they clobber.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158563 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15 22:24:22 +00:00

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