1 files changed, 36 insertions, 0 deletions
diff --git a/test/VectorInstructions/extract_element.c b/test/VectorInstructions/extract_element.c
new file mode 100644
index 00000000..008691e3
--- /dev/null
+++ b/test/VectorInstructions/extract_element.c
@@ -0,0 +1,36 @@
+// REQUIRES: geq-llvm-3.4
+// RUN: %llvmgcc %s -emit-llvm -O0 -g -c -o %t1.bc
+// RUN: rm -rf %t.klee-out
+// NOTE: Have to pass `--optimize=false` to avoid vector operations being
+// constant folded away.
+// RUN: %klee --output-dir=%t.klee-out --optimize=false %t1.bc > %t.stdout.log 2> %t.stderr.log
+// RUN: FileCheck -check-prefix=CHECK-STDOUT -input-file=%t.stdout.log %s
+// RUN: FileCheck -check-prefix=CHECK-STDERR -input-file=%t.stderr.log %s
+#include <assert.h>
+#include <stdio.h>
+#include <stdint.h>
+
+typedef uint32_t v4ui __attribute__ ((vector_size (16)));
+int main() {
+  v4ui f = { 0, 1, 2, 3 };
+  // Performing these reads should be ExtractElement instructions
+  // CHECK-STDOUT: f[0]=0
+  printf("f[0]=%u\n", f[0]);
+  // CHECK-STDOUT-NEXT: f[1]=1
+  printf("f[1]=%u\n", f[1]);
+  // CHECK-STDOUT-NEXT: f[2]=2
+  printf("f[2]=%u\n", f[2]);
+  // CHECK-STDOUT-NEXT: f[3]=3
+  printf("f[3]=%u\n", f[3]);
+  // CHECK-STDERR-NOT: extract_element.c:[[@LINE+1]]: ASSERTION FAIL
+  assert(f[0] == 0);
+  // CHECK-STDERR-NOT: extract_element.c:[[@LINE+1]]: ASSERTION FAIL
+  assert(f[1] == 1);
+  // CHECK-STDERR-NOT: extract_element.c:[[@LINE+1]]: ASSERTION FAIL
+  assert(f[2] == 2);
+  // CHECK-STDERR-NOT: extract_element.c:[[@LINE+1]]: ASSERTION FAIL
+  assert(f[3] == 3);
+  // CHECK-STDERR: extract_element.c:[[@LINE+1]]: Out of bounds read when extracting element
+  printf("f[4]=%u\n", f[4]); // Out of bounds
+  return 0;
+}