1 // RUN: %clang_cc1 -w -emit-llvm %s -o /dev/null
2
3 /* These are random tests that I used when working on the GCC frontend
4 originally. */
5
6 // test floating point comparison!
floatcomptest(double * X,double * Y,float * x,float * y)7 int floatcomptest(double *X, double *Y, float *x, float *y) {
8 return *X < *Y || *x < *y;
9 }
10
11 extern void *malloc(unsigned);
12
13 // Exposed a bug
memset_impl(void * dstpp,int c,unsigned len)14 void *memset_impl(void *dstpp, int c, unsigned len) {
15 long long int dstp = (long long int) dstpp;
16
17 while (dstp % 4 != 0)
18 {
19 ((unsigned char *) dstp)[0] = c;
20 dstp += 1;
21 len -= 1;
22 }
23 return dstpp;
24 }
25
26 // TEST problem with signed/unsigned versions of the same constants being shared
27 // incorrectly!
28 //
29 static char *temp;
30 static int remaining;
localmalloc(int size)31 static char *localmalloc(int size) {
32 char *blah;
33
34 if (size>remaining)
35 {
36 temp = (char *) malloc(32768);
37 remaining = 32768;
38 return temp;
39 }
40 return 0;
41 }
42
43 typedef struct { double X; double Y; int Z; } PBVTest;
44
testRetStruct(float X,double Y,int Z)45 PBVTest testRetStruct(float X, double Y, int Z) {
46 PBVTest T = { X, Y, Z };
47 return T;
48 }
49 PBVTest testRetStruct2(void); // external func no inlining
50
51
CallRetStruct(float X,double Y,int Z)52 double CallRetStruct(float X, double Y, int Z) {
53 PBVTest T = testRetStruct2();
54 return T.X+X+Y+Z;
55 }
56
57
58