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-rw-r--r--test/VectorInstructions/insert_element.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/test/VectorInstructions/insert_element.c b/test/VectorInstructions/insert_element.c
new file mode 100644
index 00000000..8397dceb
--- /dev/null
+++ b/test/VectorInstructions/insert_element.c
@@ -0,0 +1,46 @@
+// 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 };
+  klee_print_expr("f:=", f);
+  // Performing these writes should be InsertElement instructions
+  f[0] = 255;
+  klee_print_expr("f after write to [0]", f);
+  f[1] = 128;
+  klee_print_expr("f after write to [1]", f);
+  f[2] = 1;
+  klee_print_expr("f after write to [2]", f);
+  f[3] = 19;
+  klee_print_expr("f after write to [3]", f);
+  // CHECK-STDOUT: f[0]=255
+  printf("f[0]=%u\n", f[0]);
+  // CHECK-STDOUT: f[1]=128
+  printf("f[1]=%u\n", f[1]);
+  // CHECK-STDOUT: f[2]=1
+  printf("f[2]=%u\n", f[2]);
+  // CHECK-STDOUT: f[3]=19
+  printf("f[3]=%u\n", f[3]);
+  // CHECK-STDERR-NOT: insert_element.c:[[@LINE+1]]: ASSERTION FAIL
+  assert(f[0] == 255);
+  // CHECK-STDERR-NOT: insert_element.c:[[@LINE+1]]: ASSERTION FAIL
+  assert(f[1] == 128);
+  // CHECK-STDERR-NOT: insert_element.c:[[@LINE+1]]: ASSERTION FAIL
+  assert(f[2] == 1);
+  // CHECK-STDERR-NOT: insert_element.c:[[@LINE+1]]: ASSERTION FAIL
+  assert(f[3] == 19);
+
+  // CHECK-STDERR: insert_element.c:[[@LINE+1]]: Out of bounds write when inserting element
+  f[4] = 255; // Out of bounds write
+  return 0;
+}