go/src/cmd/compile/internal/escape/utils.go

func isSliceSelfAssign(dst, src ir.Node) bool { … }

// isSelfAssign reports whether assignment from src to dst can
// be ignored by the escape analysis as it's effectively a self-assignment.
func isSelfAssign(dst, src ir.Node) bool { … }

// mayAffectMemory reports whether evaluation of n may affect the program's
// memory state. If the expression can't affect memory state, then it can be
// safely ignored by the escape analysis.
func mayAffectMemory(n ir.Node) bool { … }

// HeapAllocReason returns the reason the given Node must be heap
// allocated, or the empty string if it doesn't.
func HeapAllocReason(n ir.Node) string { … }