MakeSimplifications  585 src/PartitionLoops.cpp         Stmt simpler_body = MakeSimplifications(middle_simps).mutate(body);
MakeSimplifications  586 src/PartitionLoops.cpp         Stmt prologue = MakeSimplifications(prologue_simps).mutate(body);
MakeSimplifications  587 src/PartitionLoops.cpp         Stmt epilogue = MakeSimplifications(epilogue_simps).mutate(body);