1*67e74705SXin Li // RUN: %clang_cc1 %s -E | FileCheck -strict-whitespace %s 2*67e74705SXin Li // Check for C99 6.10.3.4p2. 3*67e74705SXin Li 4*67e74705SXin Li #define f(a) f(x * (a)) 5*67e74705SXin Li #define x 2 6*67e74705SXin Li #define z z[0] 7*67e74705SXin Li f(f(z)); 8*67e74705SXin Li // CHECK: f(2 * (f(2 * (z[0])))); 9*67e74705SXin Li 10*67e74705SXin Li 11*67e74705SXin Li 12*67e74705SXin Li #define A A B C 13*67e74705SXin Li #define B B C A 14*67e74705SXin Li #define C C A B 15*67e74705SXin Li A 16*67e74705SXin Li // CHECK: A B C A B A C A B C A 17*67e74705SXin Li 18*67e74705SXin Li 19*67e74705SXin Li // PR1820 20*67e74705SXin Li #define i(x) h(x 21*67e74705SXin Li #define h(x) x(void) 22*67e74705SXin Li extern int i(i)); 23*67e74705SXin Li // CHECK: int i(void) 24*67e74705SXin Li 25*67e74705SXin Li 26*67e74705SXin Li #define M_0(x) M_ ## x 27*67e74705SXin Li #define M_1(x) x + M_0(0) 28*67e74705SXin Li #define M_2(x) x + M_1(1) 29*67e74705SXin Li #define M_3(x) x + M_2(2) 30*67e74705SXin Li #define M_4(x) x + M_3(3) 31*67e74705SXin Li #define M_5(x) x + M_4(4) 32*67e74705SXin Li 33*67e74705SXin Li a: M_0(1)(2)(3)(4)(5); 34*67e74705SXin Li b: M_0(5)(4)(3)(2)(1); 35*67e74705SXin Li 36*67e74705SXin Li // CHECK: a: 2 + M_0(3)(4)(5); 37*67e74705SXin Li // CHECK: b: 4 + 4 + 3 + 2 + 1 + M_0(3)(2)(1); 38*67e74705SXin Li 39*67e74705SXin Li #define n(v) v 40*67e74705SXin Li #define l m 41*67e74705SXin Li #define m l a 42*67e74705SXin Li c: n(m) X 43*67e74705SXin Li // CHECK: c: m a X 44