Initial commit of llgo.

llvm-svn: 222857

3 files changed, 107 insertions, 0 deletions

diff --git a/llgo/test/execution/functions/compare.go b/llgo/test/execution/functions/compare.go
new file mode 100644
index 00000000000..9daa062efe9
--- /dev/null
+++ b/llgo/test/execution/functions/compare.go
@@ -0,0 +1,26 @@
+// RUN: llgo -o %t %s
+// RUN: %t 2>&1 | FileCheck %s
+
+// CHECK: true
+// CHECK-NEXT: false
+// CHECK-NEXT: true
+// CHECK-NEXT: false
+// CHECK-NEXT: false
+// CHECK-NEXT: true
+// CHECK-NEXT: false
+// CHECK-NEXT: true
+
+package main
+
+func main() {
+	var f func()
+	println(f == nil)
+	println(f != nil)
+	println(nil == f)
+	println(nil != f)
+	f = func() {}
+	println(f == nil)
+	println(f != nil)
+	println(nil == f)
+	println(nil != f)
+}
diff --git a/llgo/test/execution/functions/multivalue.go b/llgo/test/execution/functions/multivalue.go
new file mode 100644
index 00000000000..a3ce79b3fc0
--- /dev/null
+++ b/llgo/test/execution/functions/multivalue.go
@@ -0,0 +1,28 @@
+// RUN: llgo -o %t %s
+// RUN: %t 2>&1 | FileCheck %s
+
+// CHECK: 1
+// CHECK-NEXT: 20
+// CHECK-NEXT: extra: 10
+
+package main
+
+func swap(a, b int) (int, int) {
+	return b, a
+}
+
+func sub(a, b int) int {
+	return a - b
+}
+
+func printint(a int, extra ...int) {
+	println(a)
+	for _, b := range extra {
+		println("extra:", b)
+	}
+}
+
+func main() {
+	println(sub(swap(1, 2)))
+	printint(swap(10, 20))
+}
diff --git a/llgo/test/execution/functions/unreachable.go b/llgo/test/execution/functions/unreachable.go
new file mode 100644
index 00000000000..436012c4e41
--- /dev/null
+++ b/llgo/test/execution/functions/unreachable.go
@@ -0,0 +1,53 @@
+// RUN: llgo -o %t %s
+// RUN: %t 2>&1 | FileCheck %s
+
+// CHECK: f1
+// CHECK-NEXT: f2
+// CHECK-NEXT: f3
+// CHECK-NEXT: f4
+// CHECK-NEXT: 123
+
+package main
+
+func f1() {
+	if true {
+		println("f1")
+		return
+	}
+	for {
+	}
+}
+
+func f2() {
+	defer func() { println("f2") }()
+	if true {
+		return
+	}
+	for {
+	}
+}
+
+func f3() int {
+	if true {
+		println("f3")
+		return 123
+	}
+	for {
+	}
+}
+
+func f4() int {
+	defer func() { println("f4") }()
+	if true {
+		return 123
+	}
+	for {
+	}
+}
+
+func main() {
+	f1()
+	f2()
+	f3()
+	println(f4())
+}