move out c/cpp/py

cl/_testdata/fncall/in.go

@@ -0,0 +1,12 @@
+package main
+
+func max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+func main() {
+	_ = max(1, 2)
+}

cl/_testdata/fncall/out.ll

@@ -0,0 +1,35 @@
+; ModuleID = 'github.com/goplus/llgo/cl/_testdata/fncall'
+source_filename = "github.com/goplus/llgo/cl/_testdata/fncall"
+
+@"github.com/goplus/llgo/cl/_testdata/fncall.init$guard" = global i1 false, align 1
+
+define void @"github.com/goplus/llgo/cl/_testdata/fncall.init"() {
+_llgo_0:
+  %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/fncall.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"github.com/goplus/llgo/cl/_testdata/fncall.init$guard", align 1
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define void @"github.com/goplus/llgo/cl/_testdata/fncall.main"() {
+_llgo_0:
+  %0 = call i64 @"github.com/goplus/llgo/cl/_testdata/fncall.max"(i64 1, i64 2)
+  ret void
+}
+
+define i64 @"github.com/goplus/llgo/cl/_testdata/fncall.max"(i64 %0, i64 %1) {
+_llgo_0:
+  %2 = icmp sgt i64 %0, %1
+  br i1 %2, label %_llgo_1, label %_llgo_2
+
+_llgo_1:                                          ; preds = %_llgo_0
+  ret i64 %0
+
+_llgo_2:                                          ; preds = %_llgo_0
+  ret i64 %1
+}