test/CodeGen/char-literal.c

   1 // RUN: %clang_cc1 -x c++ -triple i386-unknown-unkown -emit-llvm %s -o - | FileCheck %s
   2 // Runs in c++ mode so that wchar_t is available.
   3
   4 int main() {
   5   // CHECK: store i8 97
   6   char a = 'a';
   7
   8   // Should pick second character.
   9   // CHECK: store i8 98
  10   char b = 'ab';
  11
  12   // CHECK: store i32 97
  13   wchar_t wa = L'a';
  14
  15   // Should pick second character.
  16   // CHECK: store i32 98
  17   wchar_t wb = L'ab';
  18
  19   // Should pick last character and store its lowest byte.
  20   // This does not match gcc, which takes the last character, converts it to
  21   // utf8, and then picks the second-lowest byte of that (they probably store
  22   // the utf8 in uint16_ts internally and take the lower byte of that).
  23   // CHECK: store i8 48
  24   char c = '\u1120\u0220\U00102030';
  25
  26   // CHECK: store i32 61451
  27   wchar_t wc = L'\uF00B';
  28
  29   // CHECK: store i32 1110027
  30   wchar_t wd = L'\U0010F00B';
  31
  32   // Should pick second character.
  33   // CHECK: store i32 1110027
  34   wchar_t we = L'\u1234\U0010F00B';
  35 }