src/compiler-rt/test/profile/instrprof-value-prof-2.c

   1 // RUN: %clang_profgen -O2 -o %t %s
   2 // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
   3 // RUN: llvm-profdata merge -o %t.profdata %t.profraw
   4 // RUN: llvm-profdata show --all-functions -ic-targets  %t.profdata > %t.out
   5 // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-1 < %t.out
   6 // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-2 < %t.out
   7 // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-3 < %t.out
   8 // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-4 < %t.out
   9 // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-5 < %t.out
  10 // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-6 < %t.out
  11
  12 #include <stdint.h>
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 typedef struct __llvm_profile_data __llvm_profile_data;
  16 const __llvm_profile_data *__llvm_profile_begin_data(void);
  17 const __llvm_profile_data *__llvm_profile_end_data(void);
  18 void __llvm_profile_set_num_value_sites(__llvm_profile_data *Data,
  19                                         uint32_t ValueKind,
  20                                         uint16_t NumValueSites);
  21 __llvm_profile_data *
  22 __llvm_profile_iterate_data(const __llvm_profile_data *Data);
  23 void *__llvm_get_function_addr(const __llvm_profile_data *Data);
  24 void __llvm_profile_instrument_target(uint64_t TargetValue, void *Data,
  25                                       uint32_t CounterIndex);
  26 void callee1() {}
  27 void callee2() {}
  28
  29 void caller_without_value_site1() {}
  30 void caller_with_value_site_never_called1() {}
  31 void caller_with_vp1() {}
  32 void caller_with_value_site_never_called2() {}
  33 void caller_without_value_site2() {}
  34 void caller_with_vp2() {}
  35
  36 void (*callee1Ptr)();
  37 void (*callee2Ptr)();
  38
  39 void __attribute__ ((noinline)) setFunctionPointers () {
  40   callee1Ptr = callee1;
  41   callee2Ptr = callee2;
  42 }
  43
  44 int main(int argc, const char *argv[]) {
  45   unsigned S, NS = 10, V;
  46   const __llvm_profile_data *Data, *DataEnd;
  47
  48   setFunctionPointers();
  49   Data = __llvm_profile_begin_data();
  50   DataEnd = __llvm_profile_end_data();
  51   for (; Data < DataEnd; Data = __llvm_profile_iterate_data(Data)) {
  52     void *func = __llvm_get_function_addr(Data);
  53     if (func == caller_without_value_site1 ||
  54         func == caller_without_value_site2 ||
  55         func == callee1 || func == callee2 || func == main)
  56       continue;
  57
  58     __llvm_profile_set_num_value_sites((__llvm_profile_data *)Data,
  59                                        0 /*IPVK_IndirectCallTarget */, 10);
  60
  61     if (func == caller_with_value_site_never_called1 ||
  62         func == caller_with_value_site_never_called2)
  63       continue;
  64     for (S = 0; S < NS; S++) {
  65       unsigned C;
  66       for (C = 0; C < S + 1; C++) {
  67         __llvm_profile_instrument_target((uint64_t)callee1Ptr, (void *)Data, S);
  68         if (C % 2 == 0)
  69           __llvm_profile_instrument_target((uint64_t)callee2Ptr, (void *)Data, S);
  70       }
  71     }
  72   }
  73 }
  74
  75 // CHECK-1-LABEL:   caller_with_value_site_never_called2:
  76 // CHECK-1-NEXT:    Hash: 0x0000000000000000
  77 // CHECK-1-NEXT:    Counters:
  78 // CHECK-1-NEXT:    Function count
  79 // CHECK-1-NEXT:    Indirect Call Site Count: 10
  80 // CHECK-1-NEXT:    Indirect Target Results:
  81 // CHECK-2-LABEL:   caller_with_vp2:
  82 // CHECK-2-NEXT:    Hash: 0x0000000000000000
  83 // CHECK-2-NEXT:    Counters:
  84 // CHECK-2-NEXT:    Function count:
  85 // CHECK-2-NEXT:    Indirect Call Site Count: 10
  86 // CHECK-2-NEXT:    Indirect Target Results:
  87 // CHECK-2-NEXT:        [ 0, callee1, 1 ]
  88 // CHECK-2-NEXT:        [ 0, callee2, 1 ]
  89 // CHECK-2-NEXT:        [ 1, callee1, 2 ]
  90 // CHECK-2-NEXT:        [ 1, callee2, 1 ]
  91 // CHECK-2-NEXT:        [ 2, callee1, 3 ]
  92 // CHECK-2-NEXT:        [ 2, callee2, 2 ]
  93 // CHECK-2-NEXT:        [ 3, callee1, 4 ]
  94 // CHECK-2-NEXT:        [ 3, callee2, 2 ]
  95 // CHECK-2-NEXT:        [ 4, callee1, 5 ]
  96 // CHECK-2-NEXT:        [ 4, callee2, 3 ]
  97 // CHECK-2-NEXT:        [ 5, callee1, 6 ]
  98 // CHECK-2-NEXT:        [ 5, callee2, 3 ]
  99 // CHECK-2-NEXT:        [ 6, callee1, 7 ]
 100 // CHECK-2-NEXT:        [ 6, callee2, 4 ]
 101 // CHECK-2-NEXT:        [ 7, callee1, 8 ]
 102 // CHECK-2-NEXT:        [ 7, callee2, 4 ]
 103 // CHECK-2-NEXT:        [ 8, callee1, 9 ]
 104 // CHECK-2-NEXT:        [ 8, callee2, 5 ]
 105 // CHECK-2-NEXT:        [ 9, callee1, 10 ]
 106 // CHECK-2-NEXT:        [ 9, callee2, 5 ]
 107 // CHECK-3-LABEL:   caller_with_vp1:
 108 // CHECK-3-NEXT:    Hash: 0x0000000000000000
 109 // CHECK-3-NEXT:    Counters:
 110 // CHECK-3-NEXT:    Function count
 111 // CHECK-3-NEXT:    Indirect Call Site Count: 10
 112 // CHECK-3-NEXT:    Indirect Target Results:
 113 // CHECK-3-NEXT:        [ 0, callee1, 1 ]
 114 // CHECK-3-NEXT:        [ 0, callee2, 1 ]
 115 // CHECK-3-NEXT:        [ 1, callee1, 2 ]
 116 // CHECK-3-NEXT:        [ 1, callee2, 1 ]
 117 // CHECK-3-NEXT:        [ 2, callee1, 3 ]
 118 // CHECK-3-NEXT:        [ 2, callee2, 2 ]
 119 // CHECK-3-NEXT:        [ 3, callee1, 4 ]
 120 // CHECK-3-NEXT:        [ 3, callee2, 2 ]
 121 // CHECK-3-NEXT:        [ 4, callee1, 5 ]
 122 // CHECK-3-NEXT:        [ 4, callee2, 3 ]
 123 // CHECK-3-NEXT:        [ 5, callee1, 6 ]
 124 // CHECK-3-NEXT:        [ 5, callee2, 3 ]
 125 // CHECK-3-NEXT:        [ 6, callee1, 7 ]
 126 // CHECK-3-NEXT:        [ 6, callee2, 4 ]
 127 // CHECK-3-NEXT:        [ 7, callee1, 8 ]
 128 // CHECK-3-NEXT:        [ 7, callee2, 4 ]
 129 // CHECK-3-NEXT:        [ 8, callee1, 9 ]
 130 // CHECK-3-NEXT:        [ 8, callee2, 5 ]
 131 // CHECK-3-NEXT:        [ 9, callee1, 10 ]
 132 // CHECK-3-NEXT:        [ 9, callee2, 5 ]
 133 // CHECK-4-LABEL:   caller_with_value_site_never_called1:
 134 // CHECK-4-NEXT:    Hash: 0x0000000000000000
 135 // CHECK-4-NEXT:    Counters:
 136 // CHECK-4-NEXT:    Function count:
 137 // CHECK-4-NEXT:    Indirect Call Site Count: 10
 138 // CHECK-4-NEXT:    Indirect Target Results:
 139 // CHECK-5-LABEL:   caller_without_value_site2:
 140 // CHECK-5-NEXT:    Hash: 0x0000000000000000
 141 // CHECK-5-NEXT:    Counters:
 142 // CHECK-5-NEXT:    Function count:
 143 // CHECK-5-NEXT:    Indirect Call Site Count: 0
 144 // CHECK-5-NEXT:    Indirect Target Results:
 145 // CHECK-6-LABEL:   caller_without_value_site1:
 146 // CHECK-6-NEXT:    Hash: 0x0000000000000000
 147 // CHECK-6-NEXT:    Counters:
 148 // CHECK-6-NEXT:    Function count:
 149 // CHECK-6-NEXT:    Indirect Call Site Count: 0
 150 // CHECK-6-NEXT:    Indirect Target Results: