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! 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 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; 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 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 52 double CallRetStruct(float X, double Y, int Z) { 53 PBVTest T = testRetStruct2(); 54 return T.X+X+Y+Z; 55 } 56 57 58
