1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -E | FileCheck -strict-whitespace %s 2*f4a2713aSLionel Sambuc // Check for C99 6.10.3.4p2. 3*f4a2713aSLionel Sambuc 4*f4a2713aSLionel Sambuc #define f(a) f(x * (a)) 5*f4a2713aSLionel Sambuc #define x 2 6*f4a2713aSLionel Sambuc #define z z[0] 7*f4a2713aSLionel Sambuc f(f(z)); 8*f4a2713aSLionel Sambuc // CHECK: f(2 * (f(2 * (z[0])))); 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambuc 11*f4a2713aSLionel Sambuc 12*f4a2713aSLionel Sambuc #define A A B C 13*f4a2713aSLionel Sambuc #define B B C A 14*f4a2713aSLionel Sambuc #define C C A B 15*f4a2713aSLionel Sambuc A 16*f4a2713aSLionel Sambuc // CHECK: A B C A B A C A B C A 17*f4a2713aSLionel Sambuc 18*f4a2713aSLionel Sambuc 19*f4a2713aSLionel Sambuc // PR1820 20*f4a2713aSLionel Sambuc #define i(x) h(x 21*f4a2713aSLionel Sambuc #define h(x) x(void) 22*f4a2713aSLionel Sambuc extern int i(i)); 23*f4a2713aSLionel Sambuc // CHECK: int i(void) 24*f4a2713aSLionel Sambuc 25*f4a2713aSLionel Sambuc 26*f4a2713aSLionel Sambuc #define M_0(x) M_ ## x 27*f4a2713aSLionel Sambuc #define M_1(x) x + M_0(0) 28*f4a2713aSLionel Sambuc #define M_2(x) x + M_1(1) 29*f4a2713aSLionel Sambuc #define M_3(x) x + M_2(2) 30*f4a2713aSLionel Sambuc #define M_4(x) x + M_3(3) 31*f4a2713aSLionel Sambuc #define M_5(x) x + M_4(4) 32*f4a2713aSLionel Sambuc 33*f4a2713aSLionel Sambuc a: M_0(1)(2)(3)(4)(5); 34*f4a2713aSLionel Sambuc b: M_0(5)(4)(3)(2)(1); 35*f4a2713aSLionel Sambuc 36*f4a2713aSLionel Sambuc // CHECK: a: 2 + M_0(3)(4)(5); 37*f4a2713aSLionel Sambuc // CHECK: b: 4 + 4 + 3 + 2 + 1 + M_0(3)(2)(1); 38*f4a2713aSLionel Sambuc 39*f4a2713aSLionel Sambuc #define n(v) v 40*f4a2713aSLionel Sambuc #define l m 41*f4a2713aSLionel Sambuc #define m l a 42*f4a2713aSLionel Sambuc c: n(m) X 43*f4a2713aSLionel Sambuc // CHECK: c: m a X 44