1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -pedantic-errors -fblocks -std=c++1y -emit-pch %s -o %t-cxx11 2*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -ast-print -pedantic-errors -fblocks -std=c++1y -include-pch %t-cxx11 %s | FileCheck -check-prefix=CHECK-PRINT %s 3*f4a2713aSLionel Sambuc 4*f4a2713aSLionel Sambuc#ifndef HEADER_INCLUDED 5*f4a2713aSLionel Sambuc 6*f4a2713aSLionel Sambuc#define HEADER_INCLUDED 7*f4a2713aSLionel Sambuctemplate<typename T> 8*f4a2713aSLionel SambucT add_slowly(const T& x, const T &y) { 9*f4a2713aSLionel Sambuc return [=, &y] { return x + y; }(); 10*f4a2713aSLionel Sambuc}; 11*f4a2713aSLionel Sambuc 12*f4a2713aSLionel Sambucinline int add_int_slowly_twice(int x, int y) { 13*f4a2713aSLionel Sambuc int i = add_slowly(x, y); 14*f4a2713aSLionel Sambuc auto lambda = [&](int z) { return x + z; }; 15*f4a2713aSLionel Sambuc return i + lambda(y); 16*f4a2713aSLionel Sambuc} 17*f4a2713aSLionel Sambuc 18*f4a2713aSLionel Sambucinline int sum_array(int n) { 19*f4a2713aSLionel Sambuc int array[5] = { 1, 2, 3, 4, 5}; 20*f4a2713aSLionel Sambuc auto lambda = [=](int N) -> int { 21*f4a2713aSLionel Sambuc int sum = 0; 22*f4a2713aSLionel Sambuc for (unsigned I = 0; I < N; ++I) 23*f4a2713aSLionel Sambuc sum += array[N]; 24*f4a2713aSLionel Sambuc return sum; 25*f4a2713aSLionel Sambuc }; 26*f4a2713aSLionel Sambuc 27*f4a2713aSLionel Sambuc return lambda(n); 28*f4a2713aSLionel Sambuc} 29*f4a2713aSLionel Sambuc 30*f4a2713aSLionel Sambucinline int to_block_pointer(int n) { 31*f4a2713aSLionel Sambuc auto lambda = [=](int m) { return n + m; }; 32*f4a2713aSLionel Sambuc int (^block)(int) = lambda; 33*f4a2713aSLionel Sambuc return block(17); 34*f4a2713aSLionel Sambuc} 35*f4a2713aSLionel Sambuc 36*f4a2713aSLionel Sambuctemplate<typename T> 37*f4a2713aSLionel Sambucint init_capture(T t) { 38*f4a2713aSLionel Sambuc return [&, x(t)] { return sizeof(x); }; 39*f4a2713aSLionel Sambuc} 40*f4a2713aSLionel Sambuc 41*f4a2713aSLionel Sambuc#else 42*f4a2713aSLionel Sambuc 43*f4a2713aSLionel Sambuc// CHECK-PRINT: T add_slowly 44*f4a2713aSLionel Sambuc// CHECK-PRINT: return [=, &y] 45*f4a2713aSLionel Sambuctemplate float add_slowly(const float&, const float&); 46*f4a2713aSLionel Sambuc 47*f4a2713aSLionel Sambucint add(int x, int y) { 48*f4a2713aSLionel Sambuc return add_int_slowly_twice(x, y) + sum_array(4) + to_block_pointer(5); 49*f4a2713aSLionel Sambuc} 50*f4a2713aSLionel Sambuc 51*f4a2713aSLionel Sambuc// CHECK-PRINT: inline int add_int_slowly_twice 52*f4a2713aSLionel Sambuc// CHECK-PRINT: lambda = [&] (int z) 53*f4a2713aSLionel Sambuc 54*f4a2713aSLionel Sambuc// CHECK-PRINT: init_capture 55*f4a2713aSLionel Sambuc// CHECK-PRINT: [&, x( t )] 56*f4a2713aSLionel Sambuc 57*f4a2713aSLionel Sambuc#endif 58