1 files changed, 73 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/gc/testdata/chan_ssa.go b/src/cmd/compile/internal/gc/testdata/chan_ssa.go
new file mode 100644
index 0000000000..0766fcda5b
--- /dev/null
+++ b/src/cmd/compile/internal/gc/testdata/chan_ssa.go
@@ -0,0 +1,73 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// chan_ssa.go tests chan operations.
+package main
+
+import "fmt"
+
+var failed = false
+
+//go:noinline
+func lenChan_ssa(v chan int) int {
+	return len(v)
+}
+
+//go:noinline
+func capChan_ssa(v chan int) int {
+	return cap(v)
+}
+
+func testLenChan() {
+
+	v := make(chan int, 10)
+	v <- 1
+	v <- 1
+	v <- 1
+
+	if want, got := 3, lenChan_ssa(v); got != want {
+		fmt.Printf("expected len(chan) = %d, got %d", want, got)
+		failed = true
+	}
+}
+
+func testLenNilChan() {
+
+	var v chan int
+	if want, got := 0, lenChan_ssa(v); got != want {
+		fmt.Printf("expected len(nil) = %d, got %d", want, got)
+		failed = true
+	}
+}
+
+func testCapChan() {
+
+	v := make(chan int, 25)
+
+	if want, got := 25, capChan_ssa(v); got != want {
+		fmt.Printf("expected cap(chan) = %d, got %d", want, got)
+		failed = true
+	}
+}
+
+func testCapNilChan() {
+
+	var v chan int
+	if want, got := 0, capChan_ssa(v); got != want {
+		fmt.Printf("expected cap(nil) = %d, got %d", want, got)
+		failed = true
+	}
+}
+
+func main() {
+	testLenChan()
+	testLenNilChan()
+
+	testCapChan()
+	testCapNilChan()
+
+	if failed {
+		panic("failed")
+	}
+}