clang/test/Profile/cxx-hash-v2.cpp

   1 // REQUIRES: shell
   2
   3 // Check that all of the hashes in this file are unique (i.e, that none of the
   4 // profiles for these functions are mutually interchangeable).
   5 //
   6 // RUN: llvm-profdata show -all-functions %S/Inputs/cxx-hash-v2.profdata.v5 | grep "Hash: 0x" | sort > %t.hashes
   7 // RUN: uniq %t.hashes > %t.hashes.unique
   8 // RUN: diff %t.hashes %t.hashes.unique
   9
  10 // RUN: llvm-profdata merge %S/Inputs/cxx-hash-v2.proftext -o %t.profdata
  11 // RUN: %clang_cc1 -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-apple-macosx10.9 -main-file-name cxx-hash-v2.mm %s -o /dev/null -emit-llvm -fprofile-instrument-use-path=%t.profdata 2>&1 | FileCheck %s -allow-empty
  12 // RUN: %clang_cc1 -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-apple-macosx10.9 -main-file-name cxx-hash-v2.mm %s -o /dev/null -emit-llvm -fprofile-instrument-use-path=%S/Inputs/cxx-hash-v2.profdata.v5 2>&1 | FileCheck %s -allow-empty
  13
  14 // CHECK-NOT: warning: profile data may be out of date
  15
  16 int x;
  17 int arr[1] = {0};
  18
  19 void loop_after_if_else() {
  20   if (1)
  21     x = 1;
  22   else
  23     x = 2;
  24   while (0)
  25     ++x;
  26 }
  27
  28 void loop_in_then_block() {
  29   if (1) {
  30     while (0)
  31       ++x;
  32   } else {
  33     x = 2;
  34   }
  35 }
  36
  37 void loop_in_else_block() {
  38   if (1) {
  39     x = 1;
  40   } else {
  41     while (0)
  42       ++x;
  43   }
  44 }
  45
  46 void if_inside_of_for() {
  47   for (x = 0; x < 0; ++x) {
  48     x = 1;
  49     if (1)
  50       x = 2;
  51   }
  52 }
  53
  54 void if_outside_of_for() {
  55   for (x = 0; x < 0; ++x)
  56     x = 1;
  57   if (1)
  58     x = 2;
  59 }
  60
  61 void if_inside_of_while() {
  62   while (0) {
  63     x = 1;
  64     if (1)
  65       x = 2;
  66   }
  67 }
  68
  69 void if_outside_of_while() {
  70   while (0)
  71     x = 1;
  72   if (1)
  73     x = 2;
  74 }
  75
  76 void nested_dos() {
  77   do {
  78     do {
  79       ++x;
  80     } while (0);
  81   } while (0);
  82 }
  83
  84 void consecutive_dos() {
  85   do {
  86   } while (0);
  87   do {
  88     ++x;
  89   } while (0);
  90 }
  91
  92 void loop_empty() {
  93   for (x = 0; x < 5; ++x) {}
  94 }
  95
  96 void loop_return() {
  97   for (x = 0; x < 5; ++x)
  98     return;
  99 }
 100
 101 void loop_continue() {
 102   for (x = 0; x < 5; ++x)
 103     continue;
 104 }
 105
 106 void loop_break() {
 107   for (x = 0; x < 5; ++x)
 108     break;
 109 }
 110
 111 void no_gotos() {
 112   static void *dispatch[] = {&&done};
 113   x = 0;
 114 done:
 115   ++x;
 116 }
 117
 118 void direct_goto() {
 119   static void *dispatch[] = {&&done};
 120   x = 0;
 121   goto done;
 122 done:
 123   ++x;
 124 }
 125
 126 void indirect_goto() {
 127   static void *dispatch[] = {&&done};
 128   x = 0;
 129   goto *dispatch[x];
 130 done:
 131   ++x;
 132 }
 133
 134 void nested_for_ranges() {
 135   for (int a : arr)
 136     for (int b : arr)
 137       ++x;
 138 }
 139
 140 void consecutive_for_ranges() {
 141   for (int a : arr) {}
 142   for (int b : arr)
 143     ++x;
 144 }
 145
 146 void nested_try_catch() {
 147   try {
 148     try {
 149       ++x;
 150     } catch (...) {}
 151   } catch (...) {}
 152 }
 153
 154 void consecutive_try_catch() {
 155   try {} catch (...) {}
 156   try {
 157     ++x;
 158   } catch (...) {}
 159 }
 160
 161 void no_throw() {}
 162
 163 void has_throw() {
 164   throw 0;
 165 }
 166
 167 void single_lnot() {
 168   if (!x) {}
 169 }
 170
 171 void double_lnot() {
 172   if (!!x) {}
 173 }
 174
 175 int main() {
 176   return 0;
 177 }