compiler-rt/test/memprof/TestCases/malloc-size-too-big.cpp

   1 // RUN: %clangxx_memprof -O0 %s -o %t
   2 // RUN: %env_memprof_opts=print_text=true:log_path=stderr:allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SUMMARY
   3 // RUN: %env_memprof_opts=print_text=true:log_path=stderr:allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
   4 // Test print_summary
   5 // RUN: %env_memprof_opts=print_text=true:log_path=stderr:allocator_may_return_null=0:print_summary=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOSUMMARY
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9
  10 static const size_t kMaxAllowedMallocSizePlusOne = (1ULL << 40) + 1;
  11 int main() {
  12   void *p = malloc(kMaxAllowedMallocSizePlusOne);
  13   // CHECK: {{ERROR: MemProfiler: requested allocation size .* exceeds maximum supported size}}
  14   // CHECK: {{#0 0x.* in .*malloc}}
  15   // CHECK: {{#1 0x.* in main .*malloc-size-too-big.cpp:}}[[@LINE-3]]
  16   // CHECK-SUMMARY: SUMMARY: MemProfiler: allocation-size-too-big
  17   // CHECK-NOSUMMARY-NOT: SUMMARY:
  18
  19   printf("malloc returned: %zu\n", (size_t)p);
  20   // CHECK-NULL: malloc returned: 0
  21
  22   return 0;
  23 }