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

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