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

   1 // Check profile with calls to memory intrinsics.
   2
   3 // RUN: %clangxx_memprof -O0 %s -o %t && %env_memprof_opts=print_text=true:log_path=stderr %run %t 2>&1 | FileCheck %s
   4
   5 // This is actually:
   6 //  Memory allocation stack id = STACKIDP
   7 //   alloc_count 1, size (ave/min/max) 40.00 / 40 / 40
   8 //   access_count (ave/min/max): 11.00 / 11 / 11
   9 // but we need to look for them in the same CHECK to get the correct STACKIDP.
  10 // CHECK-DAG:  Memory allocation stack id = [[STACKIDP:[0-9]+]]{{[[:space:]].*}} alloc_count 1, size (ave/min/max) 40.00 / 40 / 40{{[[:space:]].*}} access_count (ave/min/max): 11.00 / 11 / 11
  11 //
  12 // This is actually:
  13 //  Memory allocation stack id = STACKIDQ
  14 //   alloc_count 1, size (ave/min/max) 20.00 / 20 / 20
  15 //   access_count (ave/min/max): 6.00 / 6 / 6
  16 // but we need to look for them in the same CHECK to get the correct STACKIDQ.
  17 // CHECK-DAG:  Memory allocation stack id = [[STACKIDQ:[0-9]+]]{{[[:space:]].*}} alloc_count 1, size (ave/min/max) 20.00 / 20 / 20{{[[:space:]].*}} access_count (ave/min/max): 6.00 / 6 / 6
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22
  23 int main() {
  24   // This is actually:
  25   //  Stack for id STACKIDP:
  26   //    #0 {{.*}} in operator new
  27   //    #1 {{.*}} in main {{.*}}:@LINE+1
  28   //  but we need to look for them in the same CHECK-DAG.
  29   // CHECK-DAG: Stack for id [[STACKIDP]]:{{[[:space:]].*}} #0 {{.*}} in operator new{{.*[[:space:]].*}} #1 {{.*}} in main {{.*}}:[[@LINE+1]]
  30   int *p = new int[10];
  31
  32   // This is actually:
  33   //  Stack for id STACKIDQ:
  34   //    #0 {{.*}} in operator new
  35   //    #1 {{.*}} in main {{.*}}:@LINE+1
  36   //  but we need to look for them in the same CHECK-DAG.
  37   // CHECK-DAG: Stack for id [[STACKIDQ]]:{{[[:space:]].*}} #0 {{.*}} in operator new{{.*[[:space:]].*}} #1 {{.*}} in main {{.*}}:[[@LINE+1]]
  38   int *q = new int[5];
  39
  40   memset(p, 1, 10 * sizeof(int));
  41   memcpy(q, p, 5 * sizeof(int));
  42   int x = memcmp(p, q, 5 * sizeof(int));
  43
  44   delete[] p;
  45   delete[] q;
  46
  47   return x;
  48 }