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Commit 4864a81a authored by Jakob Stoklund Olesen's avatar Jakob Stoklund Olesen
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Improve sub-register def handling in ProcessImplicitDefs. 

This boils down to using MachineOperand::readsReg() more.

This fixes PR11829 where a use ended up after the first def when
lowering REG_SEQUENCE instructions involving IMPLICIT_DEFs.

llvm-svn: 148996
parent 9562f39e
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