compiler-rt/test/memprof/TestCases/test_new_load_store.cpp

   1 // Check profile with a single new call and set of loads and stores. Ensures
   2 // we get the same profile regardless of whether the memory is deallocated
   3 // before exit.
   4
   5 // RUN: %clangxx_memprof -O0 %s -o %t
   6 // RUN: %env_memprof_opts=print_text=true:log_path=stderr %run %t 2>&1 | FileCheck %s
   7
   8 // RUN: %clangxx_memprof -DFREE -O0 %s -o %t
   9 // RUN: %env_memprof_opts=print_text=true:log_path=stderr %run %t 2>&1 | FileCheck %s
  10
  11 // Try again with callbacks instead of inline sequences
  12 // RUN: %clangxx_memprof -mllvm -memprof-use-callbacks -O0 %s -o %t
  13 // RUN: %env_memprof_opts=print_text=true:log_path=stderr %run %t 2>&1 | FileCheck %s
  14
  15 // This is actually:
  16 //  Memory allocation stack id = STACKID
  17 //   alloc_count 1, size (ave/min/max) 40.00 / 40 / 40
  18 // but we need to look for them in the same CHECK to get the correct STACKID.
  19 // CHECK:  Memory allocation stack id = [[STACKID:[0-9]+]]{{[[:space:]].*}}alloc_count 1, size (ave/min/max) 40.00 / 40 / 40
  20 // CHECK-NEXT:  access_count (ave/min/max): 20.00 / 20 / 20
  21 // CHECK-NEXT:  lifetime (ave/min/max): [[AVELIFETIME:[0-9]+]].00 / [[AVELIFETIME]] / [[AVELIFETIME]]
  22 // CHECK-NEXT:  num migrated: {{[0-1]}}, num lifetime overlaps: 0, num same alloc cpu: 0, num same dealloc_cpu: 0
  23 // CHECK: Stack for id [[STACKID]]:
  24 // CHECK-NEXT: #0 {{.*}} in operator new
  25 // CHECK-NEXT: #1 {{.*}} in main {{.*}}:[[@LINE+6]]
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29
  30 int main() {
  31   int *p = new int[10];
  32   for (int i = 0; i < 10; i++)
  33     p[i] = i;
  34   int j = 0;
  35   for (int i = 0; i < 10; i++)
  36     j += p[i];
  37 #ifdef FREE
  38   delete[] p;
  39 #endif
  40
  41   return 0;
  42 }