compiler-rt/test/profile/Linux/instrprof-value-merge.c

   1 // RUN: %clang_pgogen -o %t -O3 %s
   2 // RUN: rm -rf %t.profdir
   3 // RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
   4 // RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
   5 // RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t
   6 // RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t 1
   7 // RUN: env LLVM_PROFILE_FILE=%t.profdir/default_%m.profraw %run %t 1
   8 // RUN: llvm-profdata show -counts -function=main -ic-targets -memop-sizes %t.profdir/default_*.profraw | FileCheck %s
   9
  10 #include <string.h>
  11
  12 void (*f0)();
  13 void (*f1)();
  14 void (*f2)();
  15
  16 char dst[200];
  17 char src[200];
  18 volatile int n;
  19
  20 __attribute__((noinline)) void foo() {}
  21
  22 __attribute__((noinline)) void bar() {
  23   f0 = foo;
  24   f1 = foo;
  25   f2 = foo;
  26   n = 4;
  27 }
  28 int main(int argc, char *argv[]) {
  29   int i;
  30   bar();
  31   if (argc == 1) {
  32     f0();
  33     for (i = 0; i < 9; i++)
  34       f1();
  35     for (i = 0; i < 99; i++)
  36       f2();
  37   } else {
  38     memcpy((void *)dst, (void *)src, n);
  39     for (i = 0; i < 6; i++)
  40       memcpy((void *)(dst + 2), (void *)src, n + 1);
  41     for (i = 0; i < 66; i++)
  42       memcpy((void *)(dst + 9), (void *)src, n + 2);
  43   }
  44 }
  45
  46 // CHECK: Counters:
  47 // CHECK:   main:
  48 // CHECK:     Hash: 0x00030012a7ab6e87
  49 // CHECK:     Counters: 6
  50 // CHECK:     Indirect Call Site Count: 3
  51 // CHECK:     Number of Memory Intrinsics Calls: 3
  52 // CHECK:     Block counts: [27, 297, 12, 132, 3, 2]
  53 // CHECK:     Indirect Target Results:
  54 // CHECK:         [ 0, foo, 3 ]
  55 // CHECK:         [ 1, foo, 27 ]
  56 // CHECK:         [ 2, foo, 297 ]
  57 // CHECK:     Memory Intrinsic Size Results:
  58 // CHECK:         [ 0, 4, 2 ]
  59 // CHECK:         [ 1, 5, 12 ]
  60 // CHECK:         [ 2, 6, 132 ]
  61 // CHECK: Instrumentation level: IR
  62 // CHECK: Functions shown: 1
  63 // CHECK: Total functions: 3
  64 // CHECK: Maximum function count: 327
  65 // CHECK: Maximum internal block count: 297
  66 // CHECK: Statistics for indirect call sites profile:
  67 // CHECK:   Total number of sites: 3
  68 // CHECK:   Total number of sites with values: 3
  69 // CHECK:   Total number of profiled values: 3
  70 // CHECK:   Value sites histogram:
  71 // CHECK:         NumTargets, SiteCount
  72 // CHECK:         1, 3
  73 // CHECK: Statistics for memory intrinsic calls sizes profile:
  74 // CHECK:   Total number of sites: 3
  75 // CHECK:   Total number of sites with values: 3
  76 // CHECK:   Total number of profiled values: 3
  77 // CHECK:   Value sites histogram:
  78 // CHECK:         NumTargets, SiteCount
  79 // CHECK:         1, 3