llgo/ssa: introduce rawType

cl/_testrt/intgen/in.go

@@ -1,20 +0,0 @@
-package main
-
-import (
-	"github.com/goplus/llgo/internal/runtime/c"
-)
-
-func genInts(n int, gen func() c.Int) []c.Int {
-	a := make([]c.Int, n)
-	for i := range a {
-		a[i] = gen()
-	}
-	return a
-}
-
-func main() {
-	a := genInts(5, c.Rand)
-	for _, v := range a {
-		c.Printf(c.Str("%d\n"), v)
-	}
-}