36 lines · cpp
1// Check that merging of MIB info (min/max size and access counts specifically)2// is done correctly.3 4// RUN: %clangxx_memprof -O0 %s -o %t5// RUN: %env_memprof_opts=print_text=true:log_path=stderr %run %t 2>&1 | FileCheck %s6 7// This is actually:8// Memory allocation stack id = STACKID9// alloc_count 2, size (ave/min/max) 60.00 / 40 / 8010// but we need to look for them in the same CHECK to get the correct STACKID.11// CHECK: Memory allocation stack id = [[STACKID:[0-9]+]]{{[[:space:]].*}}alloc_count 2, size (ave/min/max) 60.00 / 40 / 8012// CHECK-NEXT: access_count (ave/min/max): 30.00 / 20 / 4013// Unfortunately there is not a reliable way to check the ave/min/max lifetime.14// CHECK-NEXT: lifetime (ave/min/max):15// CHECK-NEXT: num migrated: {{[0-1]}}, num lifetime overlaps: 0, num same alloc cpu: {{[0-1]}}, num same dealloc_cpu: {{[0-1]}}16// CHECK: Stack for id [[STACKID]]:17// CHECK-NEXT: #0 {{.*}} in operator new18// CHECK-NEXT: #1 {{.*}} in main {{.*}}:[[@LINE+7]]19 20#include <stdio.h>21#include <stdlib.h>22 23int main() {24 for (int j = 1; j < 3; j++) {25 int *p = new int[10 * j];26 for (int i = 0; i < 10 * j; i++)27 p[i] = i;28 int a = 0;29 for (int i = 0; i < 10 * j; i++)30 a += p[i];31 delete[] p;32 }33 34 return 0;35}36