[compiler-rt] r320129 - [ubsan] Test for pass_object_size bounds checks

[Vedant Kumar via llvm-commits]

Author: vedantk
Date: Thu Dec  7 17:51:51 2017
New Revision: 320129

URL: http://llvm.org/viewvc/llvm-project?rev=320129&view=rev
Log:
[ubsan] Test for pass_object_size bounds checks

Modified:
    compiler-rt/trunk/test/ubsan/TestCases/Misc/bounds.cpp

Modified: compiler-rt/trunk/test/ubsan/TestCases/Misc/bounds.cpp
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/ubsan/TestCases/Misc/bounds.cpp?rev=320129&r1=320128&r2=320129&view=diff
==============================================================================
--- compiler-rt/trunk/test/ubsan/TestCases/Misc/bounds.cpp (original)
+++ compiler-rt/trunk/test/ubsan/TestCases/Misc/bounds.cpp Thu Dec  7 17:51:51 2017
@@ -5,7 +5,23 @@
 // RUN: %run %t 0 3 0 2>&1 | FileCheck %s --check-prefix=CHECK-B-3
 // RUN: %run %t 0 0 4 2>&1 | FileCheck %s --check-prefix=CHECK-C-4
 
+int get_int(int *const p __attribute__((pass_object_size(0))), int i) {
+  // CHECK-A-2: bounds.cpp:[[@LINE+1]]:10: runtime error: index 2 out of bounds for type 'int *'
+  return p[i];
+}
+
+int get_double(double *const p __attribute__((pass_object_size(0))), int i) {
+  // CHECK-A-2: bounds.cpp:[[@LINE+1]]:10: runtime error: index 2 out of bounds for type 'double *'
+  return p[i];
+}
+
 int main(int argc, char **argv) {
+  int bar[2];
+  get_int(bar, argv[1][0] - '0');
+
+  double baz[2];
+  get_double(baz, argv[1][0] - '0');
+
   int arr[2][3][4] = {};
 
   return arr[argv[1][0] - '0'][argv[2][0] - '0'][argv[3][0] - '0'];