vendor/compiler-rt/compiler-rt-r224034

1 files changed, 45 insertions, 0 deletions

diff --git a/test/BlocksRuntime/small-struct.c b/test/BlocksRuntime/small-struct.c
new file mode 100644
index 0000000000000..434f3c179f7ef
--- /dev/null
+++ b/test/BlocksRuntime/small-struct.c
@@ -0,0 +1,45 @@
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+//  -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil;  -*-
+// CONFIG
+
+#import <stdio.h>
+#import <stdlib.h>
+#import <string.h>
+
+typedef struct {
+  int a;
+  int b;
+} MiniStruct;
+
+int main (int argc, const char * argv[]) {
+    MiniStruct inny;
+    MiniStruct outty;
+    MiniStruct (^copyStruct)(MiniStruct);
+    
+    memset(&inny, 0xA5, sizeof(inny));
+    memset(&outty, 0x2A, sizeof(outty));    
+    
+    inny.a = 12;
+    inny.b = 42;
+
+    copyStruct = ^(MiniStruct aTinyStruct){ return aTinyStruct; };  // pass-by-value intrinsically copies the argument
+    
+    outty = copyStruct(inny);
+
+    if ( &inny == &outty ) {
+        printf("%s: struct wasn't copied.", argv[0]);
+        exit(1);
+    }
+    if ( (inny.a != outty.a) || (inny.b != outty.b) ) {
+        printf("%s: struct contents did not match.", argv[0]);
+        exit(1);
+    }
+    
+    printf("%s: success\n", argv[0]);
+    return 0;
+}