ssa: debug info of chan

cl/_testdata/debug/in.go

@@ -35,8 +35,8 @@ type StructWithAllTypeFields struct {
 	pi    *int
 	intr  Interface
 	m     map[string]uint64
-	// c     chan int
-	err error
+	c     chan int
+	err   error
 	// fn    func(string) (int, error)
 }
 
@@ -82,7 +82,7 @@ func FuncWithAllTypeParams(
 	pi *int,
 	intr Interface,
 	m map[string]uint64,
-	// c chan int,
+	c chan int,
 	err error,
 	// fn func(string) (int, error),
 ) (int, error) {
@@ -94,7 +94,7 @@ func FuncWithAllTypeParams(
 		s,
 		&e,
 		&f, pf, pi, intr, m,
-		// c,
+		c,
 		err,
 		// fn,
 	)
@@ -128,8 +128,8 @@ func main() {
 		pi:    &i,
 		intr:  &Struct{},
 		m:     map[string]uint64{"a": 31, "b": 32},
-		// c:     make(chan int),
-		err: errors.New("Test error"),
+		c:     make(chan int),
+		err:   errors.New("Test error"),
 		// fn: func(s string) (int, error) {
 		// 	println("fn:", s)
 		// 	return 1, errors.New("fn error")
@@ -148,7 +148,7 @@ func main() {
 		s.pf, s.pi,
 		s.intr,
 		s.m,
-		// s.c,
+		s.c,
 		s.err,
 		// s.fn,
 	)

ssa/di.go

@@ -158,7 +158,7 @@ func (b diBuilder) createType(ty Type, pos token.Position) DIType {
 	case *types.Array:
 		return b.createArrayType(ty, t.Len())
 	case *types.Chan:
-		return b.createBasicType(ty)
+		return b.createChanType(ty)
 	case *types.Map:
 		ty := b.prog.rtType("Map")
 		tk := b.prog.rawType(t.Key())
@@ -365,6 +365,20 @@ func (b diBuilder) createMapType(tyMap, tk, tv Type) DIType {
 	}
 }
 
+func (b diBuilder) createChanType(t Type) DIType {
+	tyElem := b.prog.rawType(t.RawType().(*types.Chan).Elem())
+	fmt.Printf("tyElem: %v, %T\n", tyElem, tyElem)
+	return &aDIType{ll: b.di.CreateStructType(
+		llvm.Metadata{},
+		llvm.DIStructType{
+			Name:        t.RawType().String(),
+			SizeInBits:  b.prog.SizeOf(t) * 8,
+			AlignInBits: uint32(b.prog.sizes.Alignof(t.RawType()) * 8),
+			Elements:    []llvm.Metadata{},
+		},
+	)}
+}
+
 func (b diBuilder) createComplexType(t Type) DIType {
 	var tfield Type
 	if t.RawType().(*types.Basic).Kind() == types.Complex128 {