1// RUN: %clang_cc1 -w -emit-llvm %s  -o /dev/null
2
3void *malloc(unsigned);
4int puts(const char *s);
5
6struct FunStructTest {
7  int Test1;
8  char *Pointer;
9  int Array[12];
10};
11
12struct SubStruct {
13  short X, Y;
14};
15
16struct Quad {
17  int w;
18  struct SubStruct SS;
19  struct SubStruct *SSP;
20  char c;
21  int y;
22};
23
24struct Quad GlobalQuad = { 4, {1, 2}, 0, 3, 156 };
25
26typedef int (*FuncPtr)(int);
27
28unsigned PtrFunc(int (*Func)(int), int X) {
29  return Func(X);
30}
31
32char PtrFunc2(FuncPtr FuncTab[30], int Num) {
33  return FuncTab[Num]('b');
34}
35
36extern char SmallArgs2(char w, char x, long long Zrrk, char y, char z);
37extern int SomeFunc(void);
38char SmallArgs(char w, char x, char y, char z) {
39  SomeFunc();
40  return SmallArgs2(w-1, x+1, y, z, w);
41}
42
43static int F0(struct Quad Q, int i) {              /* Pass Q by value */
44  struct Quad R;
45  if (i) R.SS = Q.SS;
46  Q.SSP = &R.SS;
47  Q.w = Q.y = Q.c = 1;
48  return Q.SS.Y + i + R.y - Q.c;
49}
50
51int F1(struct Quad *Q, int i) {             /* Pass Q by address */
52  struct Quad R;
53#if 0
54  if (i) R.SS = Q->SS;
55#else
56  if (i) R = *Q;
57#endif
58  Q->w = Q->y = Q->c = 1;
59  return Q->SS.Y+i+R.y-Q->c;
60}
61
62
63int BadFunc(float Val) {
64  int Result;
65  if (Val > 12.345) Result = 4;
66  return Result;     /* Test use of undefined value */
67}
68
69int RealFunc(void) {
70  return SomeUndefinedFunction(1, 4, 5);
71}
72
73extern int EF1(int *, char *, int *);
74
75int Func(int Param, long long Param2) {
76  int Result = Param;
77
78  {{{{
79      char c; int X;
80      EF1(&Result, &c, &X);
81    }}}
82
83    {   // c & X are duplicate names!
84      char c; int X;
85      EF1(&Result, &c, &X);
86    }
87
88  }
89  return Result;
90}
91
92
93short FunFunc(long long x, char z) {
94  return x+z;
95}
96
97unsigned castTest(int X) { return X; }
98
99double TestAdd(double X, float Y) {
100  return X+Y+.5;
101}
102
103int func(int i, int j) {
104  while (i != 20)
105    i += 2;
106
107  j += func(2, i);
108  return (i * 3 + j*2)*j;
109}
110
111int SumArray(int Array[], int Num) {
112  int i, Result = 0;
113  for (i = 0; i < Num; ++i)
114    Result += Array[i];
115
116  return Result;
117}
118
119int ArrayParam(int Values[100]) {
120  return EF1((int*)Values[50], (char*)1, &Values[50]);
121}
122
123int ArrayToSum(void) {
124  int A[100], i;
125  for (i = 0; i < 100; ++i)
126    A[i] = i*4;
127
128  return A[A[0]]; //SumArray(A, 100);
129}
130
131
132int ExternFunc(long long, unsigned*, short, unsigned char);
133
134int main(int argc, char *argv[]) {
135  unsigned i;
136  puts("Hello world!\n");
137
138  ExternFunc(-1, 0, (short)argc, 2);
139  //func(argc, argc);
140
141  for (i = 0; i < 10; i++)
142    puts(argv[3]);
143  return 0;
144}
145
146double MathFunc(double X, double Y, double Z,
147                double AA, double BB, double CC, double DD,
148                double EE, double FF, double GG, double HH,
149                double aAA, double aBB, double aCC, double aDD,
150                double aEE, double aFF) {
151  return X + Y + Z + AA + BB + CC + DD + EE + FF + GG + HH
152       + aAA + aBB + aCC + aDD + aEE + aFF;
153}
154
155
156
157void strcpy(char *s1, char *s2) {
158  while (*s1++ = *s2++);
159}
160
161void strcat(char *s1, char *s2) {
162  while (*s1++);
163  s1--;
164  while (*s1++ = *s2++);
165}
166
167int strcmp(char *s1, char *s2) {
168  while (*s1++ == *s2++);
169  if (*s1 == 0) {
170    if (*s2 == 0) {
171      return 0;
172    } else {
173      return -1;
174    }
175  } else {
176    if (*s2 == 0) {
177      return 1;
178    } else {
179      return (*(--s1) - *(--s2));
180    }
181  }
182}
183