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Author SHA1 Message Date
Sam Parker a3e41d4581 [ARM] Make MachineVerifier more strict about terminators 
Fix the ARM backend's analyzeBranch so it doesn't ignore predicated
return instructions, and make the MachineVerifier rule more strict.

Differential Revision: https://reviews.llvm.org/D40061
 2020-08-27 07:10:20 +01:00
David Green 44c4ba34d0 [MachineSink] Fix for breaking phi edges with instructions with multiple defs 
BreakPHIEdge would be set based on whether the instruction needs to
insert a new critical edge to allow sinking into a block where the uses
are PHI nodes. But for instructions with multiple defs it would be reset
on the second def, allowing the instruciton to sink where it should not.

Fixes PR44981

Differential Revision: https://reviews.llvm.org/D78087
 2020-04-16 16:42:07 +01:00