Added support for KLEE index-based array optimization

1 files changed, 39 insertions, 0 deletions

diff --git a/test/ArrayOpt/test_feasible.c b/test/ArrayOpt/test_feasible.c
new file mode 100644
index 00000000..17bfa523
--- /dev/null
+++ b/test/ArrayOpt/test_feasible.c
@@ -0,0 +1,39 @@
+// RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --write-kqueries --output-dir=%t.klee-out --optimize-array=index %t.bc > %t.log 2>&1
+// RUN: FileCheck %s -input-file=%t.log -check-prefix=CHECK-OPT_I
+// RUN: test -f %t.klee-out/test000001.kquery
+// RUN: test -f %t.klee-out/test000002.kquery
+// RUN: not FileCheck %s -input-file=%t.klee-out/test000001.kquery -check-prefix=CHECK-CONST_ARR
+// RUN: not FileCheck %s -input-file=%t.klee-out/test000002.kquery -check-prefix=CHECK-CONST_ARR
+
+// CHECK-OPT_I: KLEE: WARNING: OPT_I: successful
+// CHECK-CONST_ARR: const_arr
+
+#include <stdio.h>
+#include "klee/klee.h"
+
+char array[5] = {0,1,0,1,0};
+
+int main() {
+  unsigned k;
+
+  klee_make_symbolic(&k, sizeof(k), "k");
+  klee_assume(k < 5);
+
+  // CHECK: zero
+  // CHECK-NEXT: Correct!
+  // CHECK-NOT: Wrong!
+  if (array[k] == 0) {
+    printf("zero\n");
+    if (k==0|k==2|k==4) {
+      printf("Correct!\n");
+    } else {
+      printf("Wrong!\n");
+    }
+  }
+
+  // CHECK: KLEE: done: completed paths = 2
+
+  return 0;
+}