vendor/compiler-rt/compiler-rt-r224034

1 files changed, 55 insertions, 0 deletions

diff --git a/test/BlocksRuntime/recursive-block.c b/test/BlocksRuntime/recursive-block.c
new file mode 100644
index 0000000000000..454ad48267df7
--- /dev/null
+++ b/test/BlocksRuntime/recursive-block.c
@@ -0,0 +1,55 @@
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+#include <stdio.h>
+#include <Block.h>
+#include <Block_private.h>
+#include <stdlib.h>
+
+// CONFIG
+
+
+int cumulation = 0;
+
+int doSomething(int i) {
+    cumulation += i;
+    return cumulation;
+}
+
+void dirtyStack() {
+    int i = random();
+    int j = doSomething(i);
+    int k = doSomething(j);
+    doSomething(i + j + k);
+}
+
+typedef void (^voidVoid)(void);
+
+voidVoid testFunction() {
+    int i = random();
+    __block voidVoid inner = ^{ doSomething(i); };
+    //printf("inner, on stack, is %p\n", (void*)inner);
+    /*__block*/ voidVoid outer = ^{
+        //printf("will call inner block %p\n", (void *)inner);
+        inner();
+    };
+    //printf("outer looks like: %s\n", _Block_dump(outer));
+    voidVoid result = Block_copy(outer);
+    //Block_release(inner);
+    return result;
+}
+
+
+int main(int argc, char **argv) {
+    voidVoid block = testFunction();
+    dirtyStack();
+    block();
+    Block_release(block);
+
+    printf("%s: success\n", argv[0]);
+
+    return 0;
+}