clang/test/CodeGen/pascal-wchar-string.c

   1 // RUN: %clang_cc1 -emit-llvm -o -  %s -fpascal-strings -fwchar-type=short -fno-signed-wchar | FileCheck %s
   2
   3 #include <stddef.h>
   4
   5 extern void abort (void);
   6
   7 typedef unsigned short UInt16;
   8
   9 typedef UInt16 UniChar;
  10
  11 int main(int argc, char* argv[])
  12 {
  13
  14         char st[] = "\pfoo";            // pascal string
  15         UniChar wt[] = L"\pbar";        // pascal Unicode string
  16         UniChar wt1[] = L"\p";
  17         UniChar wt2[] = L"\pgorf";
  18
  19         if (st[0] != 3)
  20           abort ();
  21         if (wt[0] != 3)
  22           abort ();
  23         if (wt1[0] != 0)
  24           abort ();
  25         if (wt2[0] != 4)
  26           abort ();
  27
  28         return 0;
  29 }
  30
  31 // CHECK: [i16 3, i16 98, i16 97, i16 114, i16 0]
  32 // CHECK: [i16 4, i16 103, i16 111, i16 114, i16 102, i16 0]
  33
  34
  35 // PR8856 - -fshort-wchar makes wchar_t be unsigned.
  36 // CHECK: @test2
  37 // CHECK: store volatile i32 1, ptr %isUnsigned
  38 void test2(void) {
  39   volatile int isUnsigned = (wchar_t)-1 > (wchar_t)0;
  40 }