New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3120 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CFrontend/2002-07-29-Casts.c b/test/CFrontend/2002-07-29-Casts.c
new file mode 100644 (file)
index 0000000..bb45571
--- /dev/null
+++ b/test/CFrontend/2002-07-29-Casts.c
@@ -0,0 +1,84 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+
+int
+main(int argc, char** argv)
+{
+  char     c1;
+  short    s1, ssf1, ssd1;
+  uint8_t  ubs0;
+  int8_t   bs0;
+  unsigned char ubc0, uc2;
+  unsigned short us2, usf1, usd1;
+  int ic3, is3, sif1, sid1;
+  uint     uic4, uis4, uif1, uid1;
+  long     slf1, sld1;
+  ulong    ulf1, uld1;
+  float    f1;
+  double   d1;
+  
+  /* Test integer to integer conversions */
+  
+  c1 = (char)  (argc >= 2)? atoi(argv[1]) : 0xff64; /* 100 = 'd' */
+  s1 = (short) (argc >= 3)? atoi(argv[2]) : -769;   /* 0xf7ff = -769 */
+  
+  ubc0 = (unsigned char) c1;                      /* 100 = 'd' */
+  ubs0 = (uint8_t) s1;                            /* 0xff = 255 */
+  bs0  = (int8_t) s1;                             /* 0xff = -1 */
+  
+  uc2 = (unsigned char) c1;                       /* 100 = 'd' */
+  us2 = (unsigned short) s1;                      /* 0xf7ff = 64767 */
+  
+  ic3 = (int) c1;                                 /* 100 = 'd' */
+  is3 = (int) s1;                                 /* 0xfffff7ff = -769 */
+  
+  uic4 = (unsigned int) c1;                       /*  100 = 'd' */
+  uis4 = (unsigned int) s1;                       /* 0xfffff7ff = 4294966527 */
+  
+  printf("ubc0 = '%c'\n", ubc0);
+  printf("ubs0 = %u\n",   ubs0);
+  printf("bs0  = %d\n",   bs0);
+  printf("c1   = '%c'\n", c1);
+  printf("s1   = %d\n",   s1);
+  printf("uc2  = '%c'\n", uc2);
+  printf("us2  = %u\n",   us2);
+  printf("ic3  = '%c'\n", ic3);
+  printf("is3  = %d\n",   is3);
+  printf("uic4 = '%c'\n", uic4);
+  printf("uis4 = %u\n",   uis4);
+  
+  /* Test floating-point to integer conversions */
+  f1 = (float)  (argc >= 4)? atof(argv[3]) : 1.0;
+  d1 =          (argc >= 5)? atof(argv[4]) : 2.0;
+  
+  usf1 = (unsigned short) f1;
+  usd1 = (unsigned short) d1;
+  uif1 = (unsigned int) f1;
+  uid1 = (unsigned int) d1;
+  ulf1 = (unsigned long) f1;
+  uld1 = (unsigned long) d1;
+  
+  ssf1 = (short) f1;
+  ssd1 = (short) d1;
+  sif1 = (int) f1;
+  sid1 = (int) d1;
+  slf1 = (long) f1;
+  sld1 = (long) d1;
+  
+  printf("usf1 = %u\n", usf1);
+  printf("usd1 = %u\n", usd1);
+  printf("uif1 = %u\n", uif1);
+  printf("uid1 = %u\n", uid1);
+  printf("ulf1 = %u\n", ulf1);
+  printf("uld1 = %u\n", uld1);
+  
+  printf("ssf1 = %d\n", ssf1);
+  printf("ssd1 = %d\n", ssd1);
+  printf("sif1 = %d\n", sif1);
+  printf("sid1 = %d\n", sid1);
+  printf("slf1 = %d\n", slf1);
+  printf("sld1 = %d\n", sld1);
+  
+  return 0;
+}