clang/test/CodeGenCXX/multi-dim-operator-new.cpp

   1 // RUN: %clang_cc1 %s -triple x86_64-unknown-unknown -emit-llvm -o - | FileCheck %s
   2 // PR6641
   3
   4 extern "C" int printf(const char *, ...);
   5
   6 struct Foo {
   7  Foo() : iFoo (2) {
   8   printf("%p\n", this);
   9  }
  10  int iFoo;
  11 };
  12
  13
  14 typedef Foo (*T)[3][4];
  15
  16 T bar() {
  17  return new Foo[2][3][4];
  18 }
  19
  20 T bug(int i) {
  21   return new Foo[i][3][4];
  22 }
  23
  24 void pr(T a) {
  25   for (int i = 0; i < 3; i++)
  26    for (int j = 0; j < 4; j++)
  27      printf("%p\n", a[i][j]);
  28 }
  29
  30 Foo *test() {
  31   return new Foo[5];
  32 }
  33
  34 int main() {
  35  T f =  bar();
  36  pr(f);
  37  f = bug(3);
  38  pr(f);
  39
  40  Foo * g = test();
  41  for (int i = 0; i < 5; i++)
  42  printf("%d\n", g[i].iFoo);
  43  return 0;
  44 }
  45
  46 // CHECK: call noalias noundef nonnull ptr @_Znam
  47 // CHECK: call noalias noundef nonnull ptr @_Znam
  48 // CHECK: call noalias noundef nonnull ptr @_Znam