search for: classllvm_1_1scheduledagmi

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2017 Feb 10
3
Enforcing in post-RA scheduling to keep (two) MachineInstrs together
Hello. I am using the post-RA (Register Allocation) scheduler to avoid data hazards by inserting other USEFUL instructions from the program (besides NOPs) and it breaks apart some sequences of instructions which should remain "glued" together. More exactly, in my [Target]ISelDAGToDAG.cpp it is possible that I replace for example a BUILD_VECTOR with a machine SDNode called