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3 Commits

Author SHA1 Message Date
Puyan Lotfi 43e94b15ea Followup on Proposal to move MIR physical register namespace to '$' sigil. 
Discussed here:

http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html

In preparation for adding support for named vregs we are changing the sigil for
physical registers in MIR to '$' from '%'. This will prevent name clashes of
named physical register with named vregs.

llvm-svn: 323922
 2018-01-31 22:04:26 +00:00
Matthias Braun 868bbd4022 ScheduleDAGInstrs: Fix fixupKills() 
Rewrite fixupKills() to use the LivePhysRegs class. Simplifies the code
and fixes a bug where the CSR registers in return blocks where missed
leading to invalid kill flags. Also remove the unnecessary rule that we
wouldn't set kill flags on tied operands.

No tests as I have an upcoming commit improving MachineVerifier checks
to catch these cases in multiple existing lit tests.

llvm-svn: 304055
 2017-05-27 02:50:50 +00:00
Krzysztof Parzyszek e7c72cdbb0 Fix machine operand traversal in ScheduleDAGInstrs::fixupKills 
llvm-svn: 283315
 2016-10-05 13:15:06 +00:00