Simon Dardis 57f4ae4625 [mips] Enable tail calls by default
Enable tail calls by default for (micro)MIPS(64).

microMIPS is slightly more tricky than doing it for MIPS(R6) or microMIPSR6.
microMIPS has two instruction encodings: 16bit and 32bit along with some
restrictions on the size of the instruction that can fill the delay slot.
For safe tail calls for microMIPS, the delay slot filler attempts to find
a correct size instruction for the delay slot of TAILCALL pseudos.

Reviewers: dsanders, vkalintris

Subscribers: jfb, dsanders, sdardis, llvm-commits

Differential Revision: https://reviews.llvm.org/D21138

llvm-svn: 277708
2016-08-04 09:17:07 +00:00
2016-07-25 22:36:22 +00:00
2016-08-04 09:17:07 +00:00
2016-08-04 09:15:58 +00:00
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