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1 Commits

Author SHA1 Message Date
Matthias Braun
1178931d7a AArch64: Use DeadRegisterDefinitionsPass before regalloc.
Doing this before register allocation reduces register pressure as we do
not even have to allocate a register for those dead definitions.

Differential Revision: https://reviews.llvm.org/D26111

llvm-svn: 287076
2016-11-16 03:38:27 +00:00