[compiler-rt] r179306 - [asan] make heavy_uar_test even heavier

[Kostya Serebryany]

Author: kcc
Date: Thu Apr 11 13:27:02 2013
New Revision: 179306

URL: http://llvm.org/viewvc/llvm-project?rev=179306&view=rev
Log:
[asan] make heavy_uar_test even heavier

Modified:
    compiler-rt/trunk/lib/asan/lit_tests/Linux/heavy_uar_test.cc

Modified: compiler-rt/trunk/lib/asan/lit_tests/Linux/heavy_uar_test.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/lit_tests/Linux/heavy_uar_test.cc?rev=179306&r1=179305&r2=179306&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/lit_tests/Linux/heavy_uar_test.cc (original)
+++ compiler-rt/trunk/lib/asan/lit_tests/Linux/heavy_uar_test.cc Thu Apr 11 13:27:02 2013
@@ -22,22 +22,30 @@ char *LeakStack() {
   return pretend_to_do_something(x);
 }
 
+template<size_t kFrameSize>
 __attribute__((noinline))
 void RecuriveFunctionWithStackFrame(int depth) {
   if (depth <= 0) return;
-  char x[1024];
+  char x[kFrameSize];
   x[0] = depth;
   pretend_to_do_something(x);
-  RecuriveFunctionWithStackFrame(depth - 1);
+  RecuriveFunctionWithStackFrame<kFrameSize>(depth - 1);
 }
 
 int main(int argc, char **argv) {
   int n_iter = argc >= 2 ? atoi(argv[1]) : 1000;
   int depth  = argc >= 3 ? atoi(argv[2]) : 500;
-  for (int i = 0; i < n_iter; i++)
-    RecuriveFunctionWithStackFrame(depth);
+  for (int i = 0; i < n_iter; i++) {
+    RecuriveFunctionWithStackFrame<10>(depth);
+    RecuriveFunctionWithStackFrame<100>(depth);
+    RecuriveFunctionWithStackFrame<500>(depth);
+    RecuriveFunctionWithStackFrame<1024>(depth);
+    RecuriveFunctionWithStackFrame<2000>(depth);
+    RecuriveFunctionWithStackFrame<5000>(depth);
+    RecuriveFunctionWithStackFrame<10000>(depth);
+  }
   char *stale_stack = LeakStack();
-  RecuriveFunctionWithStackFrame(10);
+  RecuriveFunctionWithStackFrame<1024>(10);
   stale_stack[100]++;
   // CHECK: ERROR: AddressSanitizer: stack-use-after-return on address
   // CHECK: is located in stack of thread T0 at offset 132 in frame