clang/test/CodeGen/2009-01-05-BlockInlining.c

   1 // RUN: %clang_cc1 %s -triple x86_64-linux -emit-llvm -fblocks -o - | FileCheck %s
   2 // rdar://5865221
   3
   4 // These will be inlined by the optimizers provided the block descriptors
   5 // and block literals are internal constants.
   6 // CHECK: @__block_descriptor_tmp = internal constant
   7 // CHECK: @__block_literal_global = internal constant
   8 // CHECK: @__block_descriptor_tmp.2 = internal constant
   9 // CHECK: @__block_literal_global.3 = internal constant
  10 static int fun(int x) {
  11         return x+1;
  12 }
  13
  14 static int block(int x) {
  15         return (^(int x){return x+1;})(x);
  16 }
  17
  18 extern int printf(const char *, ...);
  19 static void print(int result) {
  20     printf("%d\n", result);
  21 }
  22
  23 int main (int argc, const char * argv[]) {
  24     int x = argc-1;
  25     print(fun(x));
  26     print(block(x));
  27     int (^block_inline)(int) = ^(int x){return x+1;};
  28     print(block_inline(x));
  29     return 0;
  30 }