1 // RUN: %clang_cc1 -w -emit-llvm %s -o /dev/null
2
3 void *malloc(unsigned);
4 int puts(const char *s);
5
6 struct FunStructTest {
7 int Test1;
8 char *Pointer;
9 int Array[12];
10 };
11
12 struct SubStruct {
13 short X, Y;
14 };
15
16 struct Quad {
17 int w;
18 struct SubStruct SS;
19 struct SubStruct *SSP;
20 char c;
21 int y;
22 };
23
24 struct Quad GlobalQuad = { 4, {1, 2}, 0, 3, 156 };
25
26 typedef int (*FuncPtr)(int);
27
PtrFunc(int (* Func)(int),int X)28 unsigned PtrFunc(int (*Func)(int), int X) {
29 return Func(X);
30 }
31
PtrFunc2(FuncPtr FuncTab[30],int Num)32 char PtrFunc2(FuncPtr FuncTab[30], int Num) {
33 return FuncTab[Num]('b');
34 }
35
36 extern char SmallArgs2(char w, char x, long long Zrrk, char y, char z);
37 extern int SomeFunc(void);
SmallArgs(char w,char x,char y,char z)38 char SmallArgs(char w, char x, char y, char z) {
39 SomeFunc();
40 return SmallArgs2(w-1, x+1, y, z, w);
41 }
42
F0(struct Quad Q,int i)43 static 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
F1(struct Quad * Q,int i)51 int 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
BadFunc(float Val)63 int BadFunc(float Val) {
64 int Result;
65 if (Val > 12.345) Result = 4;
66 return Result; /* Test use of undefined value */
67 }
68
RealFunc(void)69 int RealFunc(void) {
70 return SomeUndefinedFunction(1, 4, 5);
71 }
72
73 extern int EF1(int *, char *, int *);
74
Func(int Param,long long Param2)75 int 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
FunFunc(long long x,char z)93 short FunFunc(long long x, char z) {
94 return x+z;
95 }
96
castTest(int X)97 unsigned castTest(int X) { return X; }
98
TestAdd(double X,float Y)99 double TestAdd(double X, float Y) {
100 return X+Y+.5;
101 }
102
func(int i,int j)103 int 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
SumArray(int Array[],int Num)111 int 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
ArrayParam(int Values[100])119 int ArrayParam(int Values[100]) {
120 return EF1((int*)Values[50], (char*)1, &Values[50]);
121 }
122
ArrayToSum(void)123 int 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
132 int ExternFunc(long long, unsigned*, short, unsigned char);
133
main(int argc,char * argv[])134 int 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
MathFunc(double X,double Y,double Z,double AA,double BB,double CC,double DD,double EE,double FF,double GG,double HH,double aAA,double aBB,double aCC,double aDD,double aEE,double aFF)146 double 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
strcpy(char * s1,char * s2)157 void strcpy(char *s1, char *s2) {
158 while (*s1++ = *s2++);
159 }
160
strcat(char * s1,char * s2)161 void strcat(char *s1, char *s2) {
162 while (*s1++);
163 s1--;
164 while (*s1++ = *s2++);
165 }
166
strcmp(char * s1,char * s2)167 int 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