49 lines · 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 %s4 5// This is actually:6// Memory allocation stack id = STACKIDP7// alloc_count 1, size (ave/min/max) 40.00 / 40 / 408// access_count (ave/min/max): 11.00 / 11 / 119// 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 / 1111//12// This is actually:13// Memory allocation stack id = STACKIDQ14// alloc_count 1, size (ave/min/max) 20.00 / 20 / 2015// access_count (ave/min/max): 6.00 / 6 / 616// 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 / 618 19#include <stdio.h>20#include <stdlib.h>21#include <string.h>22 23int main() {24 // This is actually:25 // Stack for id STACKIDP:26 // #0 {{.*}} in operator new27 // #1 {{.*}} in main {{.*}}:@LINE+128 // 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 new35 // #1 {{.*}} in main {{.*}}:@LINE+136 // 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}49