go/src/cmd/compile/internal/typecheck/syms.go

// LookupRuntime returns a function or variable declared in
// _builtin/runtime.go. If types_ is non-empty, successive occurrences
// of the "any" placeholder type will be substituted.
func LookupRuntime(name string, types_ ...*types.Type) *ir.Name { … }

// SubstArgTypes substitutes the given list of types for
// successive occurrences of the "any" placeholder in the
// type syntax expression n.Type.
func substArgTypes(old *ir.Name, types_ ...*types.Type) *ir.Name { … }

// AutoLabel generates a new Name node for use with
// an automatically generated label.
// prefix is a short mnemonic (e.g. ".s" for switch)
// to help with debugging.
// It should begin with "." to avoid conflicts with
// user labels.
func AutoLabel(prefix string) *types.Sym { … }

func Lookup(name string) *types.Sym { … }

// InitRuntime loads the definitions for the low-level runtime functions,
// so that the compiler can generate calls to them,
// but does not make them visible to user code.
func InitRuntime() { … }

// LookupRuntimeFunc looks up Go function name in package runtime. This function
// must follow the internal calling convention.
func LookupRuntimeFunc(name string) *obj.LSym { … }

// LookupRuntimeVar looks up a variable (or assembly function) name in package
// runtime. If this is a function, it may have a special calling
// convention.
func LookupRuntimeVar(name string) *obj.LSym { … }

// LookupRuntimeABI looks up a name in package runtime using the given ABI.
func LookupRuntimeABI(name string, abi obj.ABI) *obj.LSym { … }

// InitCoverage loads the definitions for routines called
// by code coverage instrumentation (similar to InitRuntime above).
func InitCoverage() { … }

// LookupCoverage looks up the Go function 'name' in package
// runtime/coverage. This function must follow the internal calling
// convention.
func LookupCoverage(name string) *ir.Name { … }