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e942914d29
The existing code would unnecessarily break LDRD/STRD apart with non-adjacent registers, on thumb2 this is not necessary. Ideally on thumb2 we shouldn't match for ldrd/strd pre-regalloc anymore as there is not reason to set register hints anymore, changing that is something for a future patch however. Differential Revision: http://reviews.llvm.org/D9694 Recommiting after the revert in r238821, the buildbot still failed with the patch removed so there seems to be another reason for the breakage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238935 91177308-0d34-0410-b5e6-96231b3b80d8
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