Subzero: implemented wrapper script to replace calls to calloc()

tests_lit/asan_tests/calloc.ll

Index: tests_lit/asan_tests/calloc.ll
diff --git a/tests_lit/asan_tests/calloc.ll b/tests_lit/asan_tests/calloc.ll
new file mode 100644
index 0000000000000000000000000000000000000000..a6d7c4c6cf9578e4ce2dce9fcf7f42e79920a580
--- /dev/null
+++ b/tests_lit/asan_tests/calloc.ll
@@ -0,0 +1,14 @@
+; Test that sz-clang.py and sz-clang++.py successfully replace calls to calloc
+
+; RUN: %S/../../pydir/sz-clang.py -fsanitize-address %S/Input/calloc.c -E \
+; RUN:     | FileCheck %s
+
+; RUN: %S/../../pydir/sz-clang++.py -fsanitize-address %S/Input/calloc.c -E \
+; RUN:     | FileCheck %s
+
+; CHECK-LABEL: int main(void) {
+; CHECK-NEXT:    void *buf = (__asan_dummy_calloc(14, sizeof(int)));
+; CHECK-NEXT:    strcpy(buf, "Hello, world!");
+; CHECK-NEXT:    printf("%s\n", buf);
+; CHECK-NEXT:    free(buf);
+; CHECK-NEXT:  }