goroutine support; llgo/ssa: memory (malloc/free)

ssa/stmt_builder.go

@@ -142,21 +142,6 @@ func (b Builder) Unreachable() {
 	b.impl.CreateUnreachable()
 }
 
-// The Go instruction creates a new goroutine and calls the specified
-// function within it.
-//
-// Example printed form:
-//
-//	go println(t0, t1)
-//	go t3()
-//	go invoke t5.Println(...t6)
-func (b Builder) Go(fn Expr, args ...Expr) {
-	if debugInstr {
-		logCall("Go", fn, args)
-	}
-	b.Call(fn, args...)
-}
-
 // Return emits a return instruction.
 func (b Builder) Return(results ...Expr) {
 	if debugInstr {