Initial KLEE checkin.

 - Lots more tweaks, documentation, and web page content is needed,
   but this should compile & work on OS X & Linux.


git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72205 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 43 insertions, 0 deletions

diff --git a/test/Feature/MultipleWriteResolution.c b/test/Feature/MultipleWriteResolution.c
new file mode 100644
index 00000000..f07b9710
--- /dev/null
+++ b/test/Feature/MultipleWriteResolution.c
@@ -0,0 +1,43 @@
+// RUN: echo "x" > %t1.res
+// RUN: echo "x" >> %t1.res
+// RUN: echo "x" >> %t1.res
+// RUN: echo "x" >> %t1.res
+// RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t1.bc
+// RUN: %klee %t1.bc > %t1.log
+// RUN: diff %t1.res %t1.log
+
+#include <stdio.h>
+
+unsigned klee_urange(unsigned start, unsigned end) {
+  unsigned x;
+  klee_make_symbolic(&x, sizeof x);
+  if (x-start>=end-start) klee_silent_exit(0);
+  return x;
+}
+
+int *make_int(int i) {
+  int *x = malloc(sizeof(*x));
+  *x = i;
+  return x;
+}
+
+int main() {
+  int *buf[4];
+  int i,s,t;
+
+  for (i=0; i<4; i++)
+    buf[i] = make_int((i+1)*2);
+
+  s = klee_urange(0,4);
+
+  *buf[s] = 5;
+
+  if ((*buf[0] + *buf[1] + *buf[2] + *buf[3]) == 17)
+    if (s!=3)
+      abort();
+
+  printf("x\n");
+  fflush(stdout);
+
+  return 0;
+}