src/llvm/tools/clang/test/CodeGenCXX/instantiate-blocks.cpp

   1 // RUN: %clang_cc1 -fblocks -emit-llvm -o - %s
   2 // rdar : // 6182276
   3
   4 template <typename T> T foo(T t)
   5 {
   6     void (^block)(int);
   7     return 1;
   8 }
   9
  10 int test1(void)
  11 {
  12     int i = 1;
  13     int b = 2;
  14     i = foo(b);
  15     return 0;
  16 }
  17
  18 template <typename T, typename T1> void foo(T t, T1 r)
  19 {
  20     T block_arg;
  21     __block T1 byref_block_arg;
  22
  23     T1 (^block)(char, T, T1, double) =
  24         ^ T1 (char ch, T arg, T1 arg2, double d1) { byref_block_arg = arg2;
  25                                                     return byref_block_arg + block_arg + arg; };
  26
  27     void (^block2)() = ^{};
  28 }
  29
  30 void test2(void)
  31 {
  32     foo(100, 'a');
  33 }
  34
  35 namespace rdar6182276 {
  36 extern "C" {
  37 int printf(const char *, ...);
  38 }
  39
  40 template <typename T> T foo(T t)
  41 {
  42     void (^testing)(int) = ^(int bar) { printf("bar is %d\n", bar); };
  43     printf("bar is\n");
  44     return 1;
  45 }
  46
  47 template <typename T> void gorf(T t)
  48 {
  49     foo(t);
  50 }
  51
  52
  53 void test(void)
  54 {
  55     gorf(2);
  56 }
  57 }
  58
  59