39 lines · c
1// Check profile with a single malloc call and set of loads and stores. Ensures2// we get the same profile regardless of whether the memory is deallocated3// before exit.4 5// RUN: %clang_memprof -O0 %s -o %t6// RUN: %env_memprof_opts=print_text=true:log_path=stderr %run %t 2>&1 | FileCheck %s7 8// RUN: %clang_memprof -DFREE -O0 %s -o %t9// RUN: %env_memprof_opts=print_text=true:log_path=stderr %run %t 2>&1 | FileCheck %s10 11// This is actually:12// Memory allocation stack id = STACKID13// alloc_count 1, size (ave/min/max) 40.00 / 40 / 4014// but we need to look for them in the same CHECK to get the correct STACKID.15// CHECK: Memory allocation stack id = [[STACKID:[0-9]+]]{{[[:space:]].*}}alloc_count 1, size (ave/min/max) 40.00 / 40 / 4016// CHECK-NEXT: access_count (ave/min/max): 20.00 / 20 / 2017// CHECK-NEXT: lifetime (ave/min/max): [[AVELIFETIME:[0-9]+]].00 / [[AVELIFETIME]] / [[AVELIFETIME]]18// CHECK-NEXT: num migrated: {{[0-1]}}, num lifetime overlaps: 0, num same alloc cpu: 0, num same dealloc_cpu: 019// CHECK: Stack for id [[STACKID]]:20// CHECK-NEXT: #0 {{.*}} in {{.*}}malloc21// CHECK-NEXT: #1 {{.*}} in main {{.*}}:[[@LINE+6]]22 23#include <stdio.h>24#include <stdlib.h>25 26int main() {27 int *p = (int *)malloc(10 * sizeof(int));28 for (int i = 0; i < 10; i++)29 p[i] = i;30 int j = 0;31 for (int i = 0; i < 10; i++)32 j += p[i];33#ifdef FREE34 free(p);35#endif36 37 return 0;38}39