Matthias Braun 91d3cab4fd RegisterCoalescer: Fix joinReservedPhysReg()
joinReservedPhysReg() can only deal with a liverange in a single basic
block when copying from a vreg into a physreg.

See also rdar://30306405

Differential Revision: https://reviews.llvm.org/D29436

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294268 91177308-0d34-0410-b5e6-96231b3b80d8
2017-02-07 01:59:39 +00:00

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